Merge branch 'develop' into feature/attendance-excuse-whole-day

.circleci/config.yml

@@ -162,7 +162,7 @@ jobs:
             openssl aes-256-cbc -d -in ./app/upload-key-encrypted.jks -k $ENCRYPT_KEY >> ./app/upload-key.jks
       - run:
           name: Publish release
-          command: ./gradlew publishPlayRelease --no-daemon --stacktrace --console=plain -PdisablePreDex
+          command: ./gradlew publishPlayRelease --no-daemon --stacktrace --console=plain -PenableCrashlytics -PdisablePreDex
 
 workflows:
   version: 2

.github/workflows/deploy-store.yml

@@ -40,7 +40,7 @@ jobs:
           SINGLE_SUPPORT_AD_ID: ${{ secrets.SINGLE_SUPPORT_AD_ID }}
           DASHBOARD_TILE_AD_ID: ${{ secrets.DASHBOARD_TILE_AD_ID }}
           SET_BUILD_TIMESTAMP: ${{ secrets.SET_BUILD_TIMESTAMP }}
-        run: ./gradlew publishPlayReleaseApps --stacktrace;
+        run: ./gradlew publishPlayReleaseApps -PenableFirebase --stacktrace;
 
   deploy-app-gallery:
     name: AppGallery

.github/workflows/deploy-test.yml

@@ -36,7 +36,8 @@ jobs:
       - name: Prepare build configuration
         run: |
           sed -i -e "s#applicationIdSuffix \".dev\"#applicationIdSuffix \".${GITHUB_HEAD_REF//[-.\/]/_}\"#" app/build.gradle
-          sed -i -e "s#.dev\"#.${GITHUB_HEAD_REF//[-.\/]/_}\"#" app/google-services.json
+          sed -i -e "s#.dev\"#.${GITHUB_HEAD_REF//[-.\/]/_}\"#" app/src/debug/google-services.json
+          sed -i -e "s#.dev\"#.${GITHUB_HEAD_REF//[-.\/]/_}\"#" app/src/debug/agconnect-services.json
           sed -i -e '/versionNameSuffix/d' app/build.gradle
       - name: Add signing config
         run: |
@@ -130,7 +131,7 @@ jobs:
           BITRISE_KEYSTORE_PASSWORD: ${{ secrets.BITRISE_KEYSTORE_PASSWORD }}
           BITRISE_KEY_ALIAS: ${{ secrets.BITRISE_KEY_ALIAS }}
           BITRISE_KEY_PASSWORD: ${{ secrets.BITRISE_KEY_PASSWORD }}
-        run: ./gradlew assemblePlayDebug --stacktrace
+        run: ./gradlew assemblePlayDebug -PenableFirebase --stacktrace
       - name: Upload apk to github artifacts
         uses: actions/upload-artifact@v3
         with:

.gitignore

@@ -67,10 +67,6 @@ captures/
 .idea/discord.xml
 .idea/migrations.xml
 .idea/androidTestResultsUserPreferences.xml
-.idea/copilot
-.idea/deploymentTargetDropDown.xml
-.idea/deploymentTargetSelector.xml
-.idea/kotlinc.xml
 
 # Keystore files
 *.jks
@@ -117,14 +113,12 @@ Thumbs.db
 *.ear
 
 ### AndroidStudio Patch ###
+
 !/gradle/wrapper/gradle-wrapper.jar
 .idea/jarRepositories.xml
 
-### Services config files
-agconnect-services.json
-agconnect-credentials.json
-google-services.json
-!app/google-services.json
 
-
-.idea/appInsightsSettings.xml
+app/src/release/agconnect-services.json
+app/src/release/agconnect-credentials.json
+.idea/deploymentTargetDropDown.xml
+.idea/kotlinc.xml

.travis.yml

@@ -61,7 +61,7 @@ script:
       gpg --yes --batch --passphrase=$SERVICES_ENCRYPT_KEY ./app/src/release/agconnect-services.json.gpg;
       gpg --yes --batch --passphrase=$ENCRYPT_KEY ./app/key.p12.gpg;
       gpg --yes --batch --passphrase=$ENCRYPT_KEY ./app/upload-key.jks.gpg;
-      ./gradlew publishPlayRelease --stacktrace;
+      ./gradlew publishPlayRelease -PenableFirebase --stacktrace;
     fi
 
 after_success:

app/build.gradle

@@ -27,12 +27,15 @@ android {
         testApplicationId "io.github.tests.wulkanowy"
         minSdkVersion 21
         targetSdkVersion 34
-        versionCode 170
-        versionName "2.6.10"
+        versionCode 148
+        versionName "2.4.2"
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
 
         resValue "string", "app_name", "Wulkanowy"
-        manifestPlaceholders = [admob_project_id: ""]
+        manifestPlaceholders = [
+            firebase_enabled: project.hasProperty("enableFirebase"),
+            admob_project_id: ""
+        ]
 
         buildConfigField "String", "SINGLE_SUPPORT_AD_ID", "null"
         buildConfigField "String", "DASHBOARD_TILE_AD_ID", "null"
@@ -73,6 +76,7 @@ android {
             resValue "string", "app_name", "Wulkanowy DEV"
             applicationIdSuffix ".dev"
             versionNameSuffix "-dev"
+            ext.enableCrashlytics = project.hasProperty("enableFirebase")
             buildConfigField "String", "MESSAGES_BASE_URL", "\"https://messages.wulkanowy.net.pl\""
             buildConfigField "String", "SCHOOLS_BASE_URL", '"https://schools.wulkanowy.net.pl"'
         }
@@ -186,30 +190,28 @@ ext {
     android_hilt = "1.2.0"
     room = "2.6.1"
     chucker = "4.0.0"
-    mockk = "1.13.10"
+    mockk = "1.13.9"
     coroutines = "1.8.0"
 }
 
 dependencies {
-    implementation 'io.github.wulkanowy:sdk:2.6.9'
+    implementation 'io.github.wulkanowy:sdk:2.4.2-SNAPSHOT'
 
     coreLibraryDesugaring 'com.android.tools:desugar_jdk_libs:2.0.4'
 
     implementation "org.jetbrains.kotlinx:kotlinx-serialization-json:1.6.3"
     implementation "org.jetbrains.kotlinx:kotlinx-coroutines-android:$coroutines"
-    implementation "org.jetbrains.kotlinx:kotlinx-coroutines-guava:$coroutines"
 
-    implementation 'androidx.core:core-ktx:1.13.1'
+    implementation 'androidx.core:core-ktx:1.12.0'
     implementation 'androidx.core:core-splashscreen:1.0.1'
-    implementation "androidx.activity:activity-ktx:1.9.0"
+    implementation "androidx.activity:activity-ktx:1.8.2"
     implementation "androidx.appcompat:appcompat:1.6.1"
-    implementation "androidx.fragment:fragment-ktx:1.7.0"
+    implementation "androidx.fragment:fragment-ktx:1.6.2"
     implementation "androidx.annotation:annotation:1.7.1"
-    implementation "androidx.javascriptengine:javascriptengine:1.0.0-beta01"
 
     implementation "androidx.preference:preference-ktx:1.2.1"
     implementation "androidx.recyclerview:recyclerview:1.3.2"
-    implementation "androidx.viewpager2:viewpager2:1.1.0-rc01"
+    implementation "androidx.viewpager2:viewpager2:1.1.0-beta02"
     implementation "androidx.swiperefreshlayout:swiperefreshlayout:1.1.0"
     implementation "androidx.constraintlayout:constraintlayout:2.1.4"
     implementation "androidx.coordinatorlayout:coordinatorlayout:1.2.0"
@@ -235,7 +237,7 @@ dependencies {
     implementation 'com.github.ncapdevi:FragNav:3.3.0'
     implementation "com.github.YarikSOffice:lingver:1.3.0"
 
-    implementation 'com.squareup.retrofit2:retrofit:2.11.0'
+    implementation 'com.squareup.retrofit2:retrofit:2.9.0'
     implementation "com.jakewharton.retrofit:retrofit2-kotlinx-serialization-converter:1.0.0"
     implementation "com.squareup.okhttp3:logging-interceptor:4.12.0"
     implementation "com.squareup.okhttp3:okhttp-urlconnection:4.12.0"
@@ -248,9 +250,9 @@ dependencies {
     implementation "io.github.wulkanowy:AppKillerManager:3.0.1"
     implementation 'me.xdrop:fuzzywuzzy:1.4.0'
     implementation 'com.fredporciuncula:flow-preferences:1.9.1'
-    implementation 'org.apache.commons:commons-text:1.12.0'
+    implementation 'org.apache.commons:commons-text:1.11.0'
 
-    playImplementation platform('com.google.firebase:firebase-bom:33.0.0')
+    playImplementation platform('com.google.firebase:firebase-bom:32.7.2')
     playImplementation 'com.google.firebase:firebase-analytics'
     playImplementation 'com.google.firebase:firebase-messaging'
     playImplementation 'com.google.firebase:firebase-crashlytics:'
@@ -276,7 +278,7 @@ dependencies {
     testImplementation "org.jetbrains.kotlinx:kotlinx-coroutines-test:$coroutines"
     testImplementation "org.jetbrains.kotlin:kotlin-test:$kotlin_version"
 
-    testImplementation 'org.robolectric:robolectric:4.12.1'
+    testImplementation 'org.robolectric:robolectric:4.11.1'
     testImplementation "androidx.test:runner:1.5.2"
     testImplementation "androidx.test.ext:junit:1.1.5"
     testImplementation "androidx.test:core:1.5.0"

app/play-publish-lint.sh

@@ -1,8 +1,7 @@
 #!/bin/bash -
 
 content=$(cat < "app/src/main/play/release-notes/pl-PL/default.txt") || exit
-content2=echo "$content" | dos2unix
-if [[ "${#content2}" -gt 500 ]]; then
+if [[ "${#content}" -gt 500 ]]; then
     echo >&2 "Release notes content has reached the limit of 500 characters"
     exit 1
 fi

app/src/debug/agconnect-services.json

@@ -0,0 +1,92 @@
+{
+  "agcgw": {
+    "backurl": "connect-dre.hispace.hicloud.com",
+    "url": "connect-dre.dbankcloud.cn",
+    "websocketbackurl": "connect-ws-dre.hispace.dbankcloud.com",
+    "websocketurl": "connect-ws-dre.hispace.dbankcloud.cn"
+  },
+  "agcgw_all": {
+    "CN": "connect-drcn.dbankcloud.cn",
+    "CN_back": "connect-drcn.hispace.hicloud.com",
+    "DE": "connect-dre.dbankcloud.cn",
+    "DE_back": "connect-dre.hispace.hicloud.com",
+    "RU": "connect-drru.hispace.dbankcloud.ru",
+    "RU_back": "connect-drru.hispace.dbankcloud.cn",
+    "SG": "connect-dra.dbankcloud.cn",
+    "SG_back": "connect-dra.hispace.hicloud.com"
+  },
+  "websocketgw_all": {
+    "CN": "connect-ws-drcn.hispace.dbankcloud.cn",
+    "CN_back": "connect-ws-drcn.hispace.dbankcloud.com",
+    "DE": "connect-ws-dre.hispace.dbankcloud.cn",
+    "DE_back": "connect-ws-dre.hispace.dbankcloud.com",
+    "RU": "connect-ws-drru.hispace.dbankcloud.ru",
+    "RU_back": "connect-ws-drru.hispace.dbankcloud.cn",
+    "SG": "connect-ws-dra.hispace.dbankcloud.cn",
+    "SG_back": "connect-ws-dra.hispace.dbankcloud.com"
+  },
+  "client": {
+    "cp_id": "890048000024105546",
+    "product_id": "736430079244736562",
+    "client_id": "514530959291319360",
+    "client_secret": "C42522DBF17D3D4BBE9D9C1783A54484B7E6844B388B7A67502D36A633A4186B",
+    "project_id": "736430079244736562",
+    "app_id": "106552551",
+    "api_key": "CgB6e3x9BUNiq+r8ebCHNojjjYsMT4pJSjjNDOkm9owtBb6rVI6LjnASoZBRxbjjhObcrV5gANo99fI/eKZDTbWS",
+    "package_name": "io.github.wulkanowy.dev"
+  },
+  "oauth_client": {
+    "client_id": "106552551",
+    "client_type": 1
+  },
+  "app_info": {
+    "app_id": "106552551",
+    "package_name": "io.github.wulkanowy.dev"
+  },
+  "service": {
+    "analytics": {
+      "collector_url": "datacollector-dre.dt.hicloud.com,datacollector-dre.dt.dbankcloud.cn",
+      "collector_url_ru": "datacollector-drru.dt.dbankcloud.ru,datacollector-drru.dt.hicloud.com",
+      "collector_url_sg": "datacollector-dra.dt.hicloud.com,datacollector-dra.dt.dbankcloud.cn",
+      "collector_url_de": "datacollector-dre.dt.hicloud.com,datacollector-dre.dt.dbankcloud.cn",
+      "collector_url_cn": "datacollector-drcn.dt.hicloud.com,datacollector-drcn.dt.dbankcloud.cn",
+      "resource_id": "p1",
+      "channel_id": ""
+    },
+		"search":{
+			"url":"https://search-dre.cloud.huawei.com"
+		},
+		"cloudstorage": {
+      "storage_url_sg_back": "https://agc-storage-dra.cloud.huawei.asia",
+      "storage_url_ru_back": "https://agc-storage-drru.cloud.huawei.ru",
+      "storage_url_ru": "https://agc-storage-drru.cloud.huawei.ru",
+      "storage_url_de_back": "https://agc-storage-dre.cloud.huawei.eu",
+      "storage_url_de": "https://ops-dre.agcstorage.link",
+      "storage_url": "https://agc-storage-drcn.platform.dbankcloud.cn",
+      "storage_url_sg": "https://ops-dra.agcstorage.link",
+      "storage_url_cn_back": "https://agc-storage-drcn.cloud.huawei.com.cn",
+      "storage_url_cn": "https://agc-storage-drcn.platform.dbankcloud.cn"
+    },
+    "ml": {
+      "mlservice_url": "ml-api-dre.ai.dbankcloud.com,ml-api-dre.ai.dbankcloud.cn"
+    }
+  },
+  "region": "DE",
+  "configuration_version": "3.0",
+  "appInfos": [
+    {
+      "package_name": "io.github.wulkanowy.dev",
+      "client": {
+        "app_id": "106552551"
+      },
+      "app_info": {
+        "package_name": "io.github.wulkanowy.dev",
+        "app_id": "106552551"
+      },
+      "oauth_client": {
+        "client_type": 1,
+        "client_id": "106552551"
+      }
+    }
+  ]
+}

app/src/debug/google-services.json

@@ -36,37 +36,6 @@
           "status": 2
         }
       }
-    },
-    {
-      "client_info": {
-        "mobilesdk_app_id": "1:1091101852179:android:b558a25f65d088b1",
-        "android_client_info": {
-          "package_name": "io.github.wulkanowy"
-        }
-      },
-      "oauth_client": [
-        {
-          "client_id": "",
-          "client_type": 3
-        }
-      ],
-      "api_key": [
-        {
-          "current_key": ""
-        }
-      ],
-      "services": {
-        "analytics_service": {
-          "status": 1
-        },
-        "appinvite_service": {
-          "status": 1,
-          "other_platform_oauth_client": []
-        },
-        "ads_service": {
-          "status": 2
-        }
-      }
     }
   ],
   "configuration_version": "1"

app/src/main/AndroidManifest.xml

@@ -3,8 +3,6 @@
     xmlns:tools="http://schemas.android.com/tools"
     android:installLocation="internalOnly">
 
-    <uses-sdk tools:overrideLibrary="androidx.javascriptengine" />
-
     <uses-permission android:name="android.permission.INTERNET" />
     <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
     <uses-permission android:name="android.permission.WAKE_LOCK" />
@@ -44,16 +42,16 @@
         android:icon="@mipmap/ic_launcher"
         android:label="@string/app_name"
         android:networkSecurityConfig="@xml/network_security_config"
-        android:resizeableActivity="true"
         android:supportsRtl="false"
         android:theme="@style/WulkanowyTheme"
+        android:resizeableActivity="true"
         tools:ignore="DataExtractionRules,UnusedAttribute">
         <activity
             android:name=".ui.modules.splash.SplashActivity"
             android:exported="true"
             android:screenOrientation="portrait"
             android:theme="@style/WulkanowyTheme.SplashScreen"
-            tools:ignore="DiscouragedApi,LockedOrientationActivity">
+            tools:ignore="LockedOrientationActivity">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
                 <category android:name="android.intent.category.LAUNCHER" />
@@ -157,9 +155,33 @@
                 android:resource="@xml/provider_paths" />
         </provider>
 
+        <!-- workaround for https://github.com/firebase/firebase-android-sdk/issues/473 enabled:false -->
+        <!-- https://firebase.googleblog.com/2017/03/take-control-of-your-firebase-init-on.html -->
+        <provider
+            android:name="com.google.firebase.provider.FirebaseInitProvider"
+            android:authorities="${applicationId}.firebaseinitprovider"
+            android:enabled="${firebase_enabled}"
+            android:exported="false"
+            tools:ignore="MissingClass" />
+
         <meta-data
             android:name="install_channel"
             android:value="${install_channel}" />
+        <meta-data
+            android:name="firebase_analytics_collection_enabled"
+            android:value="${firebase_enabled}" />
+        <meta-data
+            android:name="google_analytics_adid_collection_enabled"
+            android:value="${firebase_enabled}" />
+        <meta-data
+            android:name="firebase_crashlytics_collection_enabled"
+            android:value="${firebase_enabled}" />
+        <meta-data
+            android:name="firebase_messaging_auto_init_enabled"
+            android:value="${firebase_enabled}" />
+        <meta-data
+            android:name="firebase_inapp_messaging_auto_data_collection_enabled"
+            android:value="${firebase_enabled}" />
         <meta-data
             android:name="com.google.firebase.messaging.default_notification_icon"
             android:resource="@drawable/ic_stat_all" />

app/src/main/java/io/github/wulkanowy/data/DataModule.kt

@@ -13,18 +13,22 @@ import dagger.Provides
 import dagger.hilt.InstallIn
 import dagger.hilt.android.qualifiers.ApplicationContext
 import dagger.hilt.components.SingletonComponent
-import io.github.wulkanowy.data.api.services.SchoolsService
-import io.github.wulkanowy.data.api.services.WulkanowyService
+import io.github.wulkanowy.data.api.AdminMessageService
+import io.github.wulkanowy.data.api.SchoolsService
 import io.github.wulkanowy.data.db.AppDatabase
 import io.github.wulkanowy.data.db.SharedPrefProvider
 import io.github.wulkanowy.data.repositories.PreferencesRepository
+import io.github.wulkanowy.sdk.Sdk
 import io.github.wulkanowy.utils.AppInfo
+import io.github.wulkanowy.utils.RemoteConfigHelper
+import io.github.wulkanowy.utils.WebkitCookieManagerProxy
 import kotlinx.serialization.json.Json
 import okhttp3.MediaType.Companion.toMediaType
 import okhttp3.OkHttpClient
 import okhttp3.logging.HttpLoggingInterceptor
 import retrofit2.Retrofit
 import retrofit2.create
+import timber.log.Timber
 import java.util.concurrent.TimeUnit
 import javax.inject.Singleton
 
@@ -32,6 +36,20 @@ import javax.inject.Singleton
 @InstallIn(SingletonComponent::class)
 internal class DataModule {
 
+    @Singleton
+    @Provides
+    fun provideSdk(chuckerInterceptor: ChuckerInterceptor, remoteConfig: RemoteConfigHelper) =
+        Sdk().apply {
+            androidVersion = android.os.Build.VERSION.RELEASE
+            buildTag = android.os.Build.MODEL
+            userAgentTemplate = remoteConfig.userAgentTemplate
+            setSimpleHttpLogger { Timber.d(it) }
+            setAdditionalCookieManager(WebkitCookieManagerProxy())
+
+            // for debug only
+            addInterceptor(chuckerInterceptor, network = true)
+        }
+
     @Singleton
     @Provides
     fun provideChuckerCollector(
@@ -71,7 +89,7 @@ internal class DataModule {
         okHttpClient: OkHttpClient,
         json: Json,
         appInfo: AppInfo
-    ): WulkanowyService = Retrofit.Builder()
+    ): AdminMessageService = Retrofit.Builder()
         .baseUrl(appInfo.messagesBaseUrl)
         .client(okHttpClient)
         .addConverterFactory(json.asConverterFactory("application/json".toMediaType()))

app/src/main/java/io/github/wulkanowy/data/Resource.kt

@@ -1,17 +1,11 @@
 package io.github.wulkanowy.data
 
-import kotlinx.coroutines.ExperimentalCoroutinesApi
-import kotlinx.coroutines.FlowPreview
 import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.catch
 import kotlinx.coroutines.flow.collect
-import kotlinx.coroutines.flow.combine
-import kotlinx.coroutines.flow.debounce
 import kotlinx.coroutines.flow.emitAll
 import kotlinx.coroutines.flow.filter
-import kotlinx.coroutines.flow.filterNot
 import kotlinx.coroutines.flow.first
-import kotlinx.coroutines.flow.flatMapLatest
 import kotlinx.coroutines.flow.flow
 import kotlinx.coroutines.flow.flowOf
 import kotlinx.coroutines.flow.map
@@ -20,39 +14,16 @@ import kotlinx.coroutines.flow.takeWhile
 import kotlinx.coroutines.sync.Mutex
 import kotlinx.coroutines.sync.withLock
 import timber.log.Timber
-import kotlin.time.Duration
-import kotlin.time.Duration.Companion.seconds
 
-sealed interface Resource<out T> {
-    /**
-     * The initial value of a resource flow. Indicates no data that is currently available to be shown,
-     * however with the expectation that the state will transition to another one soon.
-     */
-    open class Loading<T> : Resource<T>
+sealed class Resource<T> {
+
+    open class Loading<T> : Resource<T>()
 
-    /**
-     * A semi-loading state with some data available to be displayed (usually cached data loaded from
-     * the database). Still not the target state and it's expected to transition into another one soon.
-     */
     data class Intermediate<T>(val data: T) : Loading<T>()
 
-    /**
-     * The happy-path target state. Data can either be:
-     * - loaded from the database - while it may seem like this case is already handled by the
-     *   Intermediate state, the difference here is semantic. Cached data is returned as Intermediate
-     *   when there's a API request in progress (or soon expected to be), however when there is no
-     *   intention of immediately querying the API, the cached data is returned as a Success.
-     * - fetched from the API.
-     */
-    data class Success<T>(val data: T) : Resource<T>
+    data class Success<T>(val data: T) : Resource<T>()
 
-    /**
-     * Something bad happened and we were unable to get the requested data. This can be caused by
-     * a database error, a network error, or really just any other error. Upon receiving this state
-     * the UI can either: display a full screen error, or, when it has received any data previously,
-     * display a snack bar informing of the problem.
-     */
-    data class Error<T>(val error: Throwable) : Resource<T>
+    data class Error<T>(val error: Throwable) : Resource<T>()
 }
 
 val <T> Resource<T>.dataOrNull: T?
@@ -93,22 +64,6 @@ fun <T, U> Resource<T>.mapData(block: (T) -> U) = when (this) {
     is Resource.Error -> Resource.Error(this.error)
 }
 
-/**
- * Injects another flow into this flow's resource data.
- */
-inline fun <T1, T2, R> Flow<Resource<T1>>.combineWithResourceData(
-    flow: Flow<T2>,
-    crossinline block: suspend (T1, T2) -> R
-): Flow<Resource<R>> =
-    combine(flow) { resource, inject ->
-        when (resource) {
-            is Resource.Success -> Resource.Success(block(resource.data, inject))
-            is Resource.Intermediate -> Resource.Intermediate(block(resource.data, inject))
-            is Resource.Loading -> Resource.Loading()
-            is Resource.Error -> Resource.Error(resource.error)
-        }
-    }
-
 fun <T> Flow<Resource<T>>.logResourceStatus(name: String, showData: Boolean = false) = onEach {
     val description = when (it) {
         is Resource.Intermediate -> "intermediate data received" + if (showData) " (data: `${it.data}`)" else ""
@@ -119,29 +74,8 @@ fun <T> Flow<Resource<T>>.logResourceStatus(name: String, showData: Boolean = fa
     Timber.i("$name: $description")
 }
 
-inline fun <T, U> Flow<Resource<T>>.mapResourceData(crossinline block: suspend (T) -> U) = map {
-    when (it) {
-        is Resource.Success -> Resource.Success(block(it.data))
-        is Resource.Intermediate -> Resource.Intermediate(block(it.data))
-        is Resource.Loading -> Resource.Loading()
-        is Resource.Error -> Resource.Error(it.error)
-    }
-}
-
-@OptIn(ExperimentalCoroutinesApi::class)
-fun <T, U> Flow<Resource<T>>.flatMapResourceData(
-    inheritIntermediate: Boolean = true, block: suspend (T) -> Flow<Resource<U>>
-) = flatMapLatest {
-    when (it) {
-        is Resource.Success -> block(it.data)
-        is Resource.Intermediate -> block(it.data).map { newRes ->
-            if (inheritIntermediate && newRes is Resource.Success) Resource.Intermediate(newRes.data)
-            else newRes
-        }
-
-        is Resource.Loading -> flowOf(Resource.Loading())
-        is Resource.Error -> flowOf(Resource.Error(it.error))
-    }
+fun <T, U> Flow<Resource<T>>.mapResourceData(block: (T) -> U) = map {
+    it.mapData(block)
 }
 
 fun <T> Flow<Resource<T>>.onResourceData(block: suspend (T) -> Unit) = onEach {
@@ -171,13 +105,13 @@ fun <T> Flow<Resource<T>>.onResourceSuccess(block: suspend (T) -> Unit) = onEach
     }
 }
 
-fun <T> Flow<Resource<T>>.onResourceError(block: suspend (Throwable) -> Unit) = onEach {
+fun <T> Flow<Resource<T>>.onResourceError(block: (Throwable) -> Unit) = onEach {
     if (it is Resource.Error) {
         block(it.error)
     }
 }
 
-fun <T> Flow<Resource<T>>.onResourceNotLoading(block: suspend () -> Unit) = onEach {
+fun <T> Flow<Resource<T>>.onResourceNotLoading(block: () -> Unit) = onEach {
     if (it !is Resource.Loading) {
         block()
     }
@@ -187,99 +121,70 @@ suspend fun <T> Flow<Resource<T>>.toFirstResult() = filter { it !is Resource.Loa
 
 suspend fun <T> Flow<Resource<T>>.waitForResult() = takeWhile { it is Resource.Loading }.collect()
 
-// Can cause excessive amounts of `Resource.Intermediate` to be emitted. Unless that is desired,
-// use `debounceIntermediates` to alleviate this behavior.
-inline fun <reified T> combineResourceFlows(flows: Iterable<Flow<Resource<T>>>): Flow<Resource<List<T>>> =
-    combine(flows) { items ->
-        var isIntermediate = false
-        val data = mutableListOf<T>()
-        for (item in items) {
-            when (item) {
-                is Resource.Success -> data.add(item.data)
-                is Resource.Intermediate -> {
-                    isIntermediate = true
-                    data.add(item.data)
-                }
-
-                is Resource.Loading -> return@combine Resource.Loading()
-                is Resource.Error -> continue
-            }
-        }
-        if (data.isEmpty()) {
-            // All items have to be errors for this to happen, so just return the first one.
-            // mapData is functionally useless and exists only to satisfy the type checker
-            items.first().mapData { listOf(it) }
-        } else if (isIntermediate) {
-            Resource.Intermediate(data)
-        } else {
-            Resource.Success(data)
-        }
-    }
-
-@OptIn(FlowPreview::class)
-fun <T> Flow<Resource<T>>.debounceIntermediates(timeout: Duration = 5.seconds) = flow {
-    var wasIntermediate = false
-
-    emitAll(this@debounceIntermediates.debounce {
-        if (it is Resource.Intermediate) {
-            if (!wasIntermediate) {
-                wasIntermediate = true
-                Duration.ZERO
-            } else {
-                timeout
-            }
-        } else {
-            wasIntermediate = false
-            Duration.ZERO
-        }
-    })
-}
-
-
-inline fun <OutputType, ApiType> networkBoundResource(
+inline fun <ResultType, RequestType> networkBoundResource(
     mutex: Mutex = Mutex(),
-    crossinline isResultEmpty: (OutputType) -> Boolean,
-    crossinline query: () -> Flow<OutputType>,
-    crossinline fetch: suspend () -> ApiType,
-    crossinline saveFetchResult: suspend (old: OutputType, new: ApiType) -> Unit,
-    crossinline shouldFetch: (OutputType) -> Boolean = { true },
-    crossinline filterResult: (OutputType) -> OutputType = { it }
-) = networkBoundResource(
-    mutex = mutex,
-    isResultEmpty = isResultEmpty,
-    query = query,
-    fetch = fetch,
-    saveFetchResult = saveFetchResult,
-    shouldFetch = shouldFetch,
-    mapResult = filterResult
-)
-
-@JvmName("networkBoundResourceWithMap")
-inline fun <DatabaseType, ApiType, OutputType> networkBoundResource(
-    mutex: Mutex = Mutex(),
-    crossinline isResultEmpty: (OutputType) -> Boolean,
-    crossinline query: () -> Flow<DatabaseType>,
-    crossinline fetch: suspend () -> ApiType,
-    crossinline saveFetchResult: suspend (old: DatabaseType, new: ApiType) -> Unit,
-    crossinline shouldFetch: (DatabaseType) -> Boolean = { true },
-    crossinline mapResult: (DatabaseType) -> OutputType,
+    showSavedOnLoading: Boolean = true,
+    crossinline isResultEmpty: (ResultType) -> Boolean,
+    crossinline query: () -> Flow<ResultType>,
+    crossinline fetch: suspend (ResultType) -> RequestType,
+    crossinline saveFetchResult: suspend (old: ResultType, new: RequestType) -> Unit,
+    crossinline onFetchFailed: (Throwable) -> Unit = { },
+    crossinline shouldFetch: (ResultType) -> Boolean = { true },
+    crossinline filterResult: (ResultType) -> ResultType = { it }
 ) = flow {
     emit(Resource.Loading())
 
     val data = query().first()
-    if (shouldFetch(data)) {
-        emit(Resource.Intermediate(data))
+    emitAll(if (shouldFetch(data)) {
+        val filteredResult = filterResult(data)
+
+        if (showSavedOnLoading && !isResultEmpty(filteredResult)) {
+            emit(Resource.Intermediate(filteredResult))
+        }
 
         try {
-            val newData = fetch()
+            val newData = fetch(data)
             mutex.withLock { saveFetchResult(query().first(), newData) }
+            query().map { Resource.Success(filterResult(it)) }
         } catch (throwable: Throwable) {
-            emit(Resource.Error(throwable))
-            return@flow
+            onFetchFailed(throwable)
+            flowOf(Resource.Error(throwable))
         }
-    }
-
-    emitAll(query().map { Resource.Success(it) })
+    } else {
+        query().map { Resource.Success(filterResult(it)) }
+    })
+}
+
+@JvmName("networkBoundResourceWithMap")
+inline fun <ResultType, RequestType, T> networkBoundResource(
+    mutex: Mutex = Mutex(),
+    showSavedOnLoading: Boolean = true,
+    crossinline isResultEmpty: (T) -> Boolean,
+    crossinline query: () -> Flow<ResultType>,
+    crossinline fetch: suspend (ResultType) -> RequestType,
+    crossinline saveFetchResult: suspend (old: ResultType, new: RequestType) -> Unit,
+    crossinline onFetchFailed: (Throwable) -> Unit = { },
+    crossinline shouldFetch: (ResultType) -> Boolean = { true },
+    crossinline mapResult: (ResultType) -> T,
+) = flow {
+    emit(Resource.Loading())
+
+    val data = query().first()
+    emitAll(if (shouldFetch(data)) {
+        val mappedResult = mapResult(data)
+
+        if (showSavedOnLoading && !isResultEmpty(mappedResult)) {
+            emit(Resource.Intermediate(mappedResult))
+        }
+        try {
+            val newData = fetch(data)
+            mutex.withLock { saveFetchResult(query().first(), newData) }
+            query().map { Resource.Success(mapResult(it)) }
+        } catch (throwable: Throwable) {
+            onFetchFailed(throwable)
+            flowOf(Resource.Error(throwable))
+        }
+    } else {
+        query().map { Resource.Success(mapResult(it)) }
+    })
 }
-    .mapResourceData { mapResult(it) }
-    .filterNot { it is Resource.Intermediate && isResultEmpty(it.data) }

app/src/main/java/io/github/wulkanowy/data/WulkanowySdkFactory.kt

@@ -1,171 +0,0 @@
-package io.github.wulkanowy.data
-
-import android.content.Context
-import android.os.Build
-import androidx.javascriptengine.JavaScriptSandbox
-import com.chuckerteam.chucker.api.ChuckerInterceptor
-import com.google.common.util.concurrent.ListenableFuture
-import dagger.hilt.android.qualifiers.ApplicationContext
-import io.github.wulkanowy.data.db.dao.StudentDao
-import io.github.wulkanowy.data.db.entities.Semester
-import io.github.wulkanowy.data.db.entities.Student
-import io.github.wulkanowy.data.db.entities.StudentIsEduOne
-import io.github.wulkanowy.data.repositories.WulkanowyRepository
-import io.github.wulkanowy.sdk.Sdk
-import io.github.wulkanowy.sdk.scrapper.EvaluateHandler
-import io.github.wulkanowy.utils.RemoteConfigHelper
-import io.github.wulkanowy.utils.WebkitCookieManagerProxy
-import kotlinx.coroutines.guava.await
-import kotlinx.coroutines.sync.Mutex
-import kotlinx.coroutines.sync.withLock
-import timber.log.Timber
-import javax.inject.Inject
-import javax.inject.Singleton
-
-@Singleton
-class WulkanowySdkFactory @Inject constructor(
-    @ApplicationContext private val context: Context,
-    private val chuckerInterceptor: ChuckerInterceptor,
-    private val remoteConfig: RemoteConfigHelper,
-    private val webkitCookieManagerProxy: WebkitCookieManagerProxy,
-    private val studentDb: StudentDao,
-    private val wulkanowyRepository: WulkanowyRepository,
-) {
-
-    private val eduOneMutex = Mutex()
-    private val migrationFailedStudentIds = mutableSetOf<Long>()
-    private val sandbox: ListenableFuture<JavaScriptSandbox>? =
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O && JavaScriptSandbox.isSupported())
-            JavaScriptSandbox.createConnectedInstanceAsync(context)
-        else null
-
-    private val sdk = Sdk().apply {
-        androidVersion = Build.VERSION.RELEASE
-        buildTag = Build.MODEL
-        userAgentTemplate = remoteConfig.userAgentTemplate
-        setSimpleHttpLogger { Timber.d(it) }
-        setAdditionalCookieManager(webkitCookieManagerProxy)
-
-        // for debug only
-        addInterceptor(chuckerInterceptor, network = true)
-    }
-
-    fun createBase() = sdk
-
-    suspend fun create(): Sdk {
-        val mapping = wulkanowyRepository.getMapping()
-
-        return createBase().apply {
-            if (mapping != null) {
-                endpointsMapping = mapping.endpoints
-                vTokenMapping = mapping.vTokens
-                vTokenSchemeMapping = mapping.vTokenScheme
-                vParamsEvaluation = createIsolate()
-            }
-        }
-    }
-
-    private suspend fun createIsolate(): suspend () -> EvaluateHandler {
-        return {
-            val isolate = sandbox?.await()?.createIsolate()
-            object : EvaluateHandler {
-                override suspend fun evaluate(code: String): String? {
-                    return isolate?.evaluateJavaScriptAsync(code)?.await()
-                }
-
-                override fun close() {
-                    isolate?.close()
-                }
-            }
-        }
-    }
-
-    suspend fun create(student: Student, semester: Semester? = null): Sdk {
-        val overrideIsEduOne = checkEduOneAndMigrateIfNecessary(student)
-        return buildSdk(student, semester, overrideIsEduOne)
-    }
-
-    private suspend fun buildSdk(
-        student: Student,
-        semester: Semester?,
-        isStudentEduOne: Boolean
-    ): Sdk {
-        return create().apply {
-            email = student.email
-            password = student.password
-            symbol = student.symbol
-            schoolSymbol = student.schoolSymbol
-            studentId = student.studentId
-            classId = student.classId
-            emptyCookieJarInterceptor = true
-            isEduOne = isStudentEduOne
-
-            if (Sdk.Mode.valueOf(student.loginMode) == Sdk.Mode.HEBE) {
-                mobileBaseUrl = student.mobileBaseUrl
-            } else {
-                scrapperBaseUrl = student.scrapperBaseUrl
-                domainSuffix = student.scrapperDomainSuffix
-                loginType = Sdk.ScrapperLoginType.valueOf(student.loginType)
-            }
-
-            mode = Sdk.Mode.valueOf(student.loginMode)
-            mobileBaseUrl = student.mobileBaseUrl
-            keyId = student.certificateKey
-            privatePem = student.privateKey
-
-            if (semester != null) {
-                diaryId = semester.diaryId
-                kindergartenDiaryId = semester.kindergartenDiaryId
-                schoolYear = semester.schoolYear
-                unitId = semester.unitId
-            }
-        }
-    }
-
-    private suspend fun checkEduOneAndMigrateIfNecessary(student: Student): Boolean {
-        if (student.isEduOne != null) return student.isEduOne
-
-        if (student.id in migrationFailedStudentIds) {
-            Timber.i("Migration eduOne: skipping because of previous failure")
-            return false
-        }
-
-        eduOneMutex.withLock {
-            if (student.id in migrationFailedStudentIds) {
-                Timber.i("Migration eduOne: skipping because of previous failure")
-                return false
-            }
-
-            val studentFromDatabase = studentDb.loadById(student.id)
-            if (studentFromDatabase?.isEduOne != null) {
-                Timber.i("Migration eduOne: already done")
-                return studentFromDatabase.isEduOne
-            }
-
-            Timber.i("Migration eduOne: flag missing. Running migration...")
-            val initializedSdk = buildSdk(
-                student = student,
-                semester = null,
-                isStudentEduOne = false, // doesn't matter
-            )
-            val newCurrentStudent = runCatching { initializedSdk.getCurrentStudent() }
-                .onFailure { Timber.e(it, "Migration eduOne: can't get current student") }
-                .getOrNull()
-
-            if (newCurrentStudent == null) {
-                Timber.i("Migration eduOne: failed, so skipping")
-                migrationFailedStudentIds.add(student.id)
-                return false
-            }
-
-            Timber.i("Migration eduOne: success. New isEduOne flag: ${newCurrentStudent.isEduOne}")
-
-            val studentIsEduOne = StudentIsEduOne(
-                id = student.id,
-                isEduOne = newCurrentStudent.isEduOne
-            )
-            studentDb.update(studentIsEduOne)
-            return newCurrentStudent.isEduOne
-        }
-    }
-}

app/src/main/java/io/github/wulkanowy/data/api/AdminMessageService.kt

@@ -1,16 +1,12 @@
-package io.github.wulkanowy.data.api.services
+package io.github.wulkanowy.data.api
 
-import io.github.wulkanowy.data.api.models.Mapping
 import io.github.wulkanowy.data.db.entities.AdminMessage
 import retrofit2.http.GET
 import javax.inject.Singleton
 
 @Singleton
-interface WulkanowyService {
+interface AdminMessageService {
 
     @GET("/v1.json")
     suspend fun getAdminMessages(): List<AdminMessage>
-
-    @GET("/mapping2.json")
-    suspend fun getMapping(): Mapping
-}
+}

app/src/main/java/io/github/wulkanowy/data/api/SchoolsService.kt

@@ -1,4 +1,4 @@
-package io.github.wulkanowy.data.api.services
+package io.github.wulkanowy.data.api
 
 import io.github.wulkanowy.data.pojos.IntegrityRequest
 import io.github.wulkanowy.data.pojos.LoginEvent

app/src/main/java/io/github/wulkanowy/data/api/models/Mapping.kt

@@ -1,17 +0,0 @@
-package io.github.wulkanowy.data.api.models
-
-import kotlinx.serialization.SerialName
-import kotlinx.serialization.Serializable
-
-@Serializable
-data class Mapping(
-
-    @SerialName("endpoints")
-    val endpoints: Map<String, Map<String, Map<String, String>>>,
-
-    @SerialName("vTokens")
-    val vTokens: Map<String, Map<String, Map<String, String>>>,
-
-    @SerialName("vTokenScheme")
-    val vTokenScheme: Map<String, Map<String, String>> = emptyMap(),
-)

app/src/main/java/io/github/wulkanowy/data/db/AppDatabase.kt

@@ -120,7 +120,6 @@ import io.github.wulkanowy.data.db.migrations.Migration55
 import io.github.wulkanowy.data.db.migrations.Migration57
 import io.github.wulkanowy.data.db.migrations.Migration58
 import io.github.wulkanowy.data.db.migrations.Migration6
-import io.github.wulkanowy.data.db.migrations.Migration63
 import io.github.wulkanowy.data.db.migrations.Migration7
 import io.github.wulkanowy.data.db.migrations.Migration8
 import io.github.wulkanowy.data.db.migrations.Migration9
@@ -174,10 +173,6 @@ import javax.inject.Singleton
         AutoMigration(from = 57, to = 58, spec = Migration58::class),
         AutoMigration(from = 58, to = 59),
         AutoMigration(from = 59, to = 60),
-        AutoMigration(from = 60, to = 61),
-        AutoMigration(from = 61, to = 62),
-        AutoMigration(from = 62, to = 63, spec = Migration63::class),
-        AutoMigration(from = 63, to = 64),
     ],
     version = AppDatabase.VERSION_SCHEMA,
     exportSchema = true
@@ -186,7 +181,7 @@ import javax.inject.Singleton
 abstract class AppDatabase : RoomDatabase() {
 
     companion object {
-        const val VERSION_SCHEMA = 64
+        const val VERSION_SCHEMA = 60
 
         fun getMigrations(sharedPrefProvider: SharedPrefProvider, appInfo: AppInfo) = arrayOf(
             Migration2(),
@@ -313,6 +308,6 @@ abstract class AppDatabase : RoomDatabase() {
     abstract val adminMessagesDao: AdminMessageDao
 
     abstract val mutedMessageSendersDao: MutedMessageSendersDao
-
+  
     abstract val gradeDescriptiveDao: GradeDescriptiveDao
 }

app/src/main/java/io/github/wulkanowy/data/db/dao/AdminMessageDao.kt

@@ -2,14 +2,24 @@ package io.github.wulkanowy.data.db.dao
 
 import androidx.room.Dao
 import androidx.room.Query
+import androidx.room.Transaction
 import io.github.wulkanowy.data.db.entities.AdminMessage
 import kotlinx.coroutines.flow.Flow
 import javax.inject.Singleton
 
 @Singleton
 @Dao
-interface AdminMessageDao : BaseDao<AdminMessage> {
+abstract class AdminMessageDao : BaseDao<AdminMessage> {
 
     @Query("SELECT * FROM AdminMessages")
-    fun loadAll(): Flow<List<AdminMessage>>
+    abstract fun loadAll(): Flow<List<AdminMessage>>
+
+    @Transaction
+    open suspend fun removeOldAndSaveNew(
+        oldMessages: List<AdminMessage>,
+        newMessages: List<AdminMessage>
+    ) {
+        deleteAll(oldMessages)
+        insertAll(newMessages)
+    }
 }

app/src/main/java/io/github/wulkanowy/data/db/dao/BaseDao.kt

@@ -3,7 +3,6 @@ package io.github.wulkanowy.data.db.dao
 import androidx.room.Delete
 import androidx.room.Insert
 import androidx.room.OnConflictStrategy
-import androidx.room.Transaction
 import androidx.room.Update
 
 interface BaseDao<T> {
@@ -16,10 +15,4 @@ interface BaseDao<T> {
 
     @Delete
     suspend fun deleteAll(items: List<T>)
-
-    @Transaction
-    suspend fun removeOldAndSaveNew(oldItems: List<T>, newItems: List<T>) {
-        deleteAll(oldItems)
-        insertAll(newItems)
-    }
 }

app/src/main/java/io/github/wulkanowy/data/db/dao/MobileDeviceDao.kt

@@ -8,6 +8,6 @@ import kotlinx.coroutines.flow.Flow
 @Dao
 interface MobileDeviceDao : BaseDao<MobileDevice> {
 
-    @Query("SELECT * FROM MobileDevices WHERE user_login_id = :studentId ORDER BY date DESC")
-    fun loadAll(studentId: Int): Flow<List<MobileDevice>>
+    @Query("SELECT * FROM MobileDevices WHERE user_login_id = :userLoginId ORDER BY date DESC")
+    fun loadAll(userLoginId: Int): Flow<List<MobileDevice>>
 }

app/src/main/java/io/github/wulkanowy/data/db/dao/SchoolAnnouncementDao.kt

@@ -10,6 +10,6 @@ import javax.inject.Singleton
 @Singleton
 interface SchoolAnnouncementDao : BaseDao<SchoolAnnouncement> {
 
-    @Query("SELECT * FROM SchoolAnnouncements WHERE user_login_id = :studentId ORDER BY date DESC")
-    fun loadAll(studentId: Int): Flow<List<SchoolAnnouncement>>
+    @Query("SELECT * FROM SchoolAnnouncements WHERE user_login_id = :userLoginId ORDER BY date DESC")
+    fun loadAll(userLoginId: Int): Flow<List<SchoolAnnouncement>>
 }

app/src/main/java/io/github/wulkanowy/data/db/dao/SemesterDao.kt

@@ -14,6 +14,6 @@ interface SemesterDao : BaseDao<Semester> {
     @Insert(onConflict = OnConflictStrategy.IGNORE)
     suspend fun insertSemesters(items: List<Semester>): List<Long>
 
-    @Query("SELECT * FROM Semesters WHERE (student_id = :studentId AND class_id = :classId) OR (student_id = :studentId AND class_id = 0)")
+    @Query("SELECT * FROM Semesters WHERE student_id = :studentId AND class_id = :classId")
     suspend fun loadAll(studentId: Int, classId: Int): List<Semester>
 }

app/src/main/java/io/github/wulkanowy/data/db/dao/StudentDao.kt

@@ -9,8 +9,6 @@ import androidx.room.Transaction
 import androidx.room.Update
 import io.github.wulkanowy.data.db.entities.Semester
 import io.github.wulkanowy.data.db.entities.Student
-import io.github.wulkanowy.data.db.entities.StudentIsAuthorized
-import io.github.wulkanowy.data.db.entities.StudentIsEduOne
 import io.github.wulkanowy.data.db.entities.StudentName
 import io.github.wulkanowy.data.db.entities.StudentNickAndAvatar
 import javax.inject.Singleton
@@ -25,12 +23,6 @@ abstract class StudentDao {
     @Delete
     abstract suspend fun delete(student: Student)
 
-    @Update(entity = Student::class)
-    abstract suspend fun update(studentIsAuthorized: StudentIsAuthorized)
-
-    @Update(entity = Student::class)
-    abstract suspend fun update(studentIsEduOne: StudentIsEduOne)
-
     @Update(entity = Student::class)
     abstract suspend fun update(studentNickAndAvatar: StudentNickAndAvatar)
 
@@ -47,11 +39,11 @@ abstract class StudentDao {
     abstract suspend fun loadAll(): List<Student>
 
     @Transaction
-    @Query("SELECT * FROM Students JOIN Semesters ON (Students.student_id = Semesters.student_id AND Students.class_id = Semesters.class_id) OR (Students.student_id = Semesters.student_id AND Semesters.class_id = 0)")
+    @Query("SELECT * FROM Students JOIN Semesters ON Students.student_id = Semesters.student_id AND Students.class_id = Semesters.class_id")
     abstract suspend fun loadStudentsWithSemesters(): Map<Student, List<Semester>>
 
     @Transaction
-    @Query("SELECT * FROM Students JOIN Semesters ON (Students.student_id = Semesters.student_id AND Students.class_id = Semesters.class_id) OR (Students.student_id = Semesters.student_id AND Semesters.class_id = 0) WHERE Students.id = :id")
+    @Query("SELECT * FROM Students JOIN Semesters ON Students.student_id = Semesters.student_id AND Students.class_id = Semesters.class_id WHERE Students.id = :id")
     abstract suspend fun loadStudentWithSemestersById(id: Long): Map<Student, List<Semester>>
 
     @Query("UPDATE Students SET is_current = 1 WHERE id = :id")

app/src/main/java/io/github/wulkanowy/data/db/entities/AdminMessage.kt

@@ -4,8 +4,6 @@ import androidx.room.ColumnInfo
 import androidx.room.Entity
 import androidx.room.PrimaryKey
 import io.github.wulkanowy.data.enums.MessageType
-import io.github.wulkanowy.data.serializers.SafeMessageTypeEnumListSerializer
-import kotlinx.serialization.SerialName
 import kotlinx.serialization.Serializable
 
 @Serializable
@@ -36,8 +34,6 @@ data class AdminMessage(
 
     val priority: String,
 
-    @SerialName("messageTypes")
-    @Serializable(with = SafeMessageTypeEnumListSerializer::class)
     @ColumnInfo(name = "types", defaultValue = "[]")
     val types: List<MessageType> = emptyList(),
 

app/src/main/java/io/github/wulkanowy/data/db/entities/GradeSummary.kt

@@ -33,13 +33,7 @@ data class GradeSummary(
     @ColumnInfo(name = "points_sum")
     val pointsSum: String,
 
-    @ColumnInfo(name = "points_sum_all_year")
-    val pointsSumAllYear: String?,
-
-    val average: Double,
-
-    @ColumnInfo(name = "average_all_year")
-    val averageAllYear: Double? = null,
+    val average: Double
 ) {
     @PrimaryKey(autoGenerate = true)
     var id: Long = 0

app/src/main/java/io/github/wulkanowy/data/db/entities/MobileDevice.kt

@@ -9,8 +9,8 @@ import java.time.Instant
 @Entity(tableName = "MobileDevices")
 data class MobileDevice(
 
-    @ColumnInfo(name = "user_login_id") // todo: change column name
-    val studentId: Int,
+    @ColumnInfo(name = "user_login_id")
+    val userLoginId: Int,
 
     @ColumnInfo(name = "device_id")
     val deviceId: Int,

app/src/main/java/io/github/wulkanowy/data/db/entities/SchoolAnnouncement.kt

@@ -9,16 +9,14 @@ import java.time.LocalDate
 @Entity(tableName = "SchoolAnnouncements")
 data class SchoolAnnouncement(
 
-    @ColumnInfo(name = "user_login_id") // todo: change column name
-    val studentId: Int,
+    @ColumnInfo(name = "user_login_id")
+    val userLoginId: Int,
 
     val date: LocalDate,
 
     val subject: String,
 
-    val content: String,
-
-    val author: String? = null,
+    val content: String
 ) : Serializable {
 
     @PrimaryKey(autoGenerate = true)

app/src/main/java/io/github/wulkanowy/data/db/entities/Student.kt

@@ -49,7 +49,6 @@ data class Student(
     @ColumnInfo(name = "student_id")
     val studentId: Int,
 
-    @Deprecated("not available in VULCAN anymore")
     @ColumnInfo(name = "user_login_id")
     val userLoginId: Int,
 
@@ -79,13 +78,6 @@ data class Student(
 
     @ColumnInfo(name = "registration_date")
     val registrationDate: Instant,
-
-    @ColumnInfo(name = "is_authorized", defaultValue = "0")
-    val isAuthorized: Boolean,
-
-    @ColumnInfo(name = "is_edu_one", defaultValue = "NULL")
-    val isEduOne: Boolean?,
-
 ) : Serializable {
 
     @PrimaryKey(autoGenerate = true)
@@ -96,22 +88,3 @@ data class Student(
     @ColumnInfo(name = "avatar_color")
     var avatarColor = 0L
 }
-
-@Entity
-data class StudentIsAuthorized(
-
-    @PrimaryKey
-    var id: Long,
-
-    @ColumnInfo(name = "is_authorized", defaultValue = "NULL")
-    val isAuthorized: Boolean?,
-) : Serializable
-
-@Entity
-data class StudentIsEduOne(
-    @PrimaryKey
-    var id: Long,
-
-    @ColumnInfo(name = "is_edu_one", defaultValue = "NULL")
-    val isEduOne: Boolean?,
-) : Serializable

app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration63.kt

@@ -1,11 +0,0 @@
-package io.github.wulkanowy.data.db.migrations
-
-import androidx.room.migration.AutoMigrationSpec
-import androidx.sqlite.db.SupportSQLiteDatabase
-
-class Migration63 : AutoMigrationSpec {
-
-    override fun onPostMigrate(db: SupportSQLiteDatabase) {
-        db.execSQL("UPDATE Students SET is_edu_one = NULL WHERE is_edu_one = 0")
-    }
-}

app/src/main/java/io/github/wulkanowy/data/enums/AttendanceCalculatorSortingMode.kt

@@ -1,13 +0,0 @@
-package io.github.wulkanowy.data.enums
-
-enum class AttendanceCalculatorSortingMode(private val value: String) {
-    ALPHABETIC("alphabetic"),
-    ATTENDANCE("attendance_percentage"),
-    LESSON_BALANCE("lesson_balance");
-
-    companion object {
-        fun getByValue(value: String) =
-            AttendanceCalculatorSortingMode.values()
-                .find { it.value == value } ?: ALPHABETIC
-    }
-}

app/src/main/java/io/github/wulkanowy/data/enums/MessageType.kt

@@ -4,8 +4,6 @@ enum class MessageType {
     GENERAL_MESSAGE,
     DASHBOARD_MESSAGE,
     LOGIN_MESSAGE,
-    LOGIN_STUDENT_SELECT_MESSAGE,
-    LOGIN_SYMBOL_MESSAGE,
     PASS_RESET_MESSAGE,
     ERROR_OVERRIDE,
 }

app/src/main/java/io/github/wulkanowy/data/enums/ShowAdditionalLessonsMode.kt

@@ -1,11 +0,0 @@
-package io.github.wulkanowy.data.enums
-
-enum class ShowAdditionalLessonsMode(val value: String) {
-    NONE("none"),
-    INLINE("inline"),
-    BELOW("below");
-
-    companion object {
-        fun getByValue(value: String) = entries.find { it.value == value } ?: INLINE
-    }
-}

app/src/main/java/io/github/wulkanowy/data/mappers/DirectorInformationMapper.kt

@@ -3,26 +3,12 @@ package io.github.wulkanowy.data.mappers
 import io.github.wulkanowy.data.db.entities.SchoolAnnouncement
 import io.github.wulkanowy.data.db.entities.Student
 import io.github.wulkanowy.sdk.pojo.DirectorInformation as SdkDirectorInformation
-import io.github.wulkanowy.sdk.pojo.LastAnnouncement as SdkLastAnnouncement
 
-@JvmName("mapDirectorInformationToEntities")
 fun List<SdkDirectorInformation>.mapToEntities(student: Student) = map {
     SchoolAnnouncement(
-        studentId = student.studentId,
+        userLoginId = student.userLoginId,
         date = it.date,
         subject = it.subject,
         content = it.content,
-        author = null,
-    )
-}
-
-@JvmName("mapLastAnnouncementsToEntities")
-fun List<SdkLastAnnouncement>.mapToEntities(student: Student) = map {
-    SchoolAnnouncement(
-        studentId = student.studentId,
-        date = it.date,
-        subject = it.subject,
-        content = it.content,
-        author = it.author,
     )
 }

app/src/main/java/io/github/wulkanowy/data/mappers/GradeMapper.kt

@@ -37,11 +37,9 @@ fun List<SdkGradeSummary>.mapToEntities(semester: Semester) = map {
         predictedGrade = it.predicted,
         finalGrade = it.final,
         pointsSum = it.pointsSum,
-        pointsSumAllYear = it.pointsSumAllYear,
         proposedPoints = it.proposedPoints,
         finalPoints = it.finalPoints,
-        average = it.average,
-        averageAllYear = it.averageAllYear,
+        average = it.average
     )
 }
 

app/src/main/java/io/github/wulkanowy/data/mappers/MobileDeviceMapper.kt

@@ -8,7 +8,7 @@ import io.github.wulkanowy.sdk.pojo.Token as SdkToken
 
 fun List<SdkDevice>.mapToEntities(student: Student) = map {
     MobileDevice(
-        studentId = student.studentId,
+        userLoginId = student.userLoginId,
         date = it.createDate.toInstant(),
         deviceId = it.id,
         name = it.name

app/src/main/java/io/github/wulkanowy/data/mappers/RegisterUserMapper.kt

@@ -34,19 +34,17 @@ fun SdkRegisterUser.mapToPojo(password: String?) = RegisterUser(
                     error = it.error,
                     students = it.subjects
                         .filterIsInstance<SdkRegisterStudent>()
-                        .map { registerStudent ->
+                        .map { registerSubject ->
                             RegisterStudent(
-                                studentId = registerStudent.studentId,
-                                studentName = registerStudent.studentName,
-                                studentSecondName = registerStudent.studentSecondName,
-                                studentSurname = registerStudent.studentSurname,
-                                className = registerStudent.className,
-                                classId = registerStudent.classId,
-                                isParent = registerStudent.isParent,
-                                isAuthorized = registerStudent.isAuthorized,
-                                isEduOne = registerStudent.isEduOne,
-                                semesters = registerStudent.semesters
-                                    .mapToEntities(registerStudent.studentId),
+                                studentId = registerSubject.studentId,
+                                studentName = registerSubject.studentName,
+                                studentSecondName = registerSubject.studentSecondName,
+                                studentSurname = registerSubject.studentSurname,
+                                className = registerSubject.className,
+                                classId = registerSubject.classId,
+                                isParent = registerSubject.isParent,
+                                semesters = registerSubject.semesters
+                                    .mapToEntities(registerSubject.studentId),
                             )
                         },
                 )
@@ -86,8 +84,6 @@ fun RegisterStudent.mapToStudentWithSemesters(
         password = user.password.orEmpty(),
         isCurrent = false,
         registrationDate = Instant.now(),
-        isAuthorized = this.isAuthorized,
-        isEduOne = this.isEduOne,
     ).apply {
         avatarColor = colors.random()
     },

app/src/main/java/io/github/wulkanowy/data/pojos/AttendanceData.kt

@@ -1,14 +0,0 @@
-package io.github.wulkanowy.data.pojos
-
-data class AttendanceData(
-    val subjectName: String,
-    val lessonBalance: Int,
-    val presences: Int,
-    val absences: Int,
-) {
-    val total: Int
-        get() = presences + absences
-
-    val presencePercentage: Double
-        get() = if (total == 0) 0.0 else (presences.toDouble() / total) * 100
-}

app/src/main/java/io/github/wulkanowy/data/pojos/RegisterUser.kt

@@ -45,6 +45,4 @@ data class RegisterStudent(
     val classId: Int,
     val isParent: Boolean,
     val semesters: List<Semester>,
-    val isAuthorized: Boolean,
-    val isEduOne: Boolean
 ) : java.io.Serializable

app/src/main/java/io/github/wulkanowy/data/repositories/AdminMessageRepository.kt

@@ -0,0 +1,33 @@
+package io.github.wulkanowy.data.repositories
+
+import io.github.wulkanowy.data.Resource
+import io.github.wulkanowy.data.api.AdminMessageService
+import io.github.wulkanowy.data.db.dao.AdminMessageDao
+import io.github.wulkanowy.data.db.entities.AdminMessage
+import io.github.wulkanowy.data.networkBoundResource
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.sync.Mutex
+import javax.inject.Inject
+import javax.inject.Singleton
+
+@Singleton
+class AdminMessageRepository @Inject constructor(
+    private val adminMessageService: AdminMessageService,
+    private val adminMessageDao: AdminMessageDao,
+) {
+
+    private val saveFetchResultMutex = Mutex()
+
+    fun getAdminMessages(): Flow<Resource<List<AdminMessage>>> =
+        networkBoundResource(
+            mutex = saveFetchResultMutex,
+            isResultEmpty = { false },
+            query = { adminMessageDao.loadAll() },
+            fetch = { adminMessageService.getAdminMessages() },
+            shouldFetch = { true },
+            saveFetchResult = { oldItems, newItems ->
+                adminMessageDao.removeOldAndSaveNew(oldItems, newItems)
+            },
+            showSavedOnLoading = false,
+        )
+}

app/src/main/java/io/github/wulkanowy/data/repositories/AttendanceRepository.kt

@@ -1,6 +1,5 @@
 package io.github.wulkanowy.data.repositories
 
-import io.github.wulkanowy.data.WulkanowySdkFactory
 import io.github.wulkanowy.data.db.dao.AttendanceDao
 import io.github.wulkanowy.data.db.dao.TimetableDao
 import io.github.wulkanowy.data.db.entities.Attendance
@@ -8,11 +7,14 @@ import io.github.wulkanowy.data.db.entities.Semester
 import io.github.wulkanowy.data.db.entities.Student
 import io.github.wulkanowy.data.mappers.mapToEntities
 import io.github.wulkanowy.data.networkBoundResource
+import io.github.wulkanowy.sdk.Sdk
 import io.github.wulkanowy.sdk.pojo.Absent
 import io.github.wulkanowy.utils.AutoRefreshHelper
 import io.github.wulkanowy.utils.getRefreshKey
+import io.github.wulkanowy.utils.init
 import io.github.wulkanowy.utils.monday
 import io.github.wulkanowy.utils.sunday
+import io.github.wulkanowy.utils.switchSemester
 import io.github.wulkanowy.utils.uniqueSubtract
 import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.sync.Mutex
@@ -26,7 +28,7 @@ import javax.inject.Singleton
 class AttendanceRepository @Inject constructor(
     private val attendanceDb: AttendanceDao,
     private val timetableDb: TimetableDao,
-    private val wulkanowySdkFactory: WulkanowySdkFactory,
+    private val sdk: Sdk,
     private val refreshHelper: AutoRefreshHelper,
 ) {
 
@@ -57,18 +59,18 @@ class AttendanceRepository @Inject constructor(
             val lessons = timetableDb.load(
                 semester.diaryId, semester.studentId, start.monday, end.sunday
             )
-            wulkanowySdkFactory.create(student, semester)
+            sdk.init(student)
+                .switchSemester(semester)
                 .getAttendance(start.monday, end.sunday)
                 .mapToEntities(semester, lessons)
         },
         saveFetchResult = { old, new ->
+            attendanceDb.deleteAll(old uniqueSubtract new)
             val attendanceToAdd = (new uniqueSubtract old).map { newAttendance ->
                 newAttendance.apply { if (notify) isNotified = false }
             }
-            attendanceDb.removeOldAndSaveNew(
-                oldItems = old uniqueSubtract new,
-                newItems = attendanceToAdd,
-            )
+            attendanceDb.insertAll(attendanceToAdd)
+
             refreshHelper.updateLastRefreshTimestamp(getRefreshKey(cacheKey, semester, start, end))
         },
         filterResult = { it.filter { item -> item.date in start..end } }
@@ -86,6 +88,7 @@ class AttendanceRepository @Inject constructor(
         return attendanceDb.updateAll(timetable)
     }
 
+    @JvmName("excuseForAbsenceLessons")
     suspend fun excuseForAbsence(
         student: Student,
         semester: Semester,
@@ -98,7 +101,26 @@ class AttendanceRepository @Inject constructor(
                 timeId = attendance.timeId
             )
         }
-        wulkanowySdkFactory.create(student, semester)
+        sdk.init(student)
+            .switchSemester(semester)
+            .excuseForAbsence(items, reason)
+    }
+
+    @JvmName("excuseForAbsenceDays")
+    suspend fun excuseForAbsence(
+        student: Student,
+        semester: Semester,
+        days: List<LocalDate>,
+        reason: String? = null
+    ) {
+        val items = days.map { day ->
+            Absent(
+                date = LocalDateTime.of(day, LocalTime.of(0, 0)),
+                timeId = null,
+            )
+        }
+        sdk.init(student)
+            .switchSemester(semester)
             .excuseForAbsence(items, reason)
     }
 }

app/src/main/java/io/github/wulkanowy/data/repositories/AttendanceSummaryRepository.kt

@@ -1,15 +1,15 @@
 package io.github.wulkanowy.data.repositories
 
-import androidx.room.withTransaction
-import io.github.wulkanowy.data.WulkanowySdkFactory
-import io.github.wulkanowy.data.db.AppDatabase
 import io.github.wulkanowy.data.db.dao.AttendanceSummaryDao
 import io.github.wulkanowy.data.db.entities.Semester
 import io.github.wulkanowy.data.db.entities.Student
 import io.github.wulkanowy.data.mappers.mapToEntities
 import io.github.wulkanowy.data.networkBoundResource
+import io.github.wulkanowy.sdk.Sdk
 import io.github.wulkanowy.utils.AutoRefreshHelper
 import io.github.wulkanowy.utils.getRefreshKey
+import io.github.wulkanowy.utils.init
+import io.github.wulkanowy.utils.switchSemester
 import io.github.wulkanowy.utils.uniqueSubtract
 import kotlinx.coroutines.sync.Mutex
 import javax.inject.Inject
@@ -18,9 +18,8 @@ import javax.inject.Singleton
 @Singleton
 class AttendanceSummaryRepository @Inject constructor(
     private val attendanceDb: AttendanceSummaryDao,
+    private val sdk: Sdk,
     private val refreshHelper: AutoRefreshHelper,
-    private val appDatabase: AppDatabase,
-    private val wulkanowySdkFactory: WulkanowySdkFactory,
 ) {
 
     private val saveFetchResultMutex = Mutex()
@@ -41,15 +40,14 @@ class AttendanceSummaryRepository @Inject constructor(
         },
         query = { attendanceDb.loadAll(semester.diaryId, semester.studentId, subjectId) },
         fetch = {
-            wulkanowySdkFactory.create(student, semester)
+            sdk.init(student)
+                .switchSemester(semester)
                 .getAttendanceSummary(subjectId)
                 .mapToEntities(semester, subjectId)
         },
         saveFetchResult = { old, new ->
-            appDatabase.withTransaction {
-                attendanceDb.deleteAll(old uniqueSubtract new)
-                attendanceDb.insertAll(new uniqueSubtract old)
-            }
+            attendanceDb.deleteAll(old uniqueSubtract new)
+            attendanceDb.insertAll(new uniqueSubtract old)
             refreshHelper.updateLastRefreshTimestamp(getRefreshKey(cacheKey, semester))
         }
     )

app/src/main/java/io/github/wulkanowy/data/repositories/CompletedLessonsRepository.kt

@@ -1,16 +1,12 @@
 package io.github.wulkanowy.data.repositories
 
-import io.github.wulkanowy.data.WulkanowySdkFactory
 import io.github.wulkanowy.data.db.dao.CompletedLessonsDao
 import io.github.wulkanowy.data.db.entities.Semester
 import io.github.wulkanowy.data.db.entities.Student
 import io.github.wulkanowy.data.mappers.mapToEntities
 import io.github.wulkanowy.data.networkBoundResource
-import io.github.wulkanowy.utils.AutoRefreshHelper
-import io.github.wulkanowy.utils.getRefreshKey
-import io.github.wulkanowy.utils.monday
-import io.github.wulkanowy.utils.sunday
-import io.github.wulkanowy.utils.uniqueSubtract
+import io.github.wulkanowy.sdk.Sdk
+import io.github.wulkanowy.utils.*
 import kotlinx.coroutines.sync.Mutex
 import java.time.LocalDate
 import javax.inject.Inject
@@ -19,7 +15,7 @@ import javax.inject.Singleton
 @Singleton
 class CompletedLessonsRepository @Inject constructor(
     private val completedLessonsDb: CompletedLessonsDao,
-    private val wulkanowySdkFactory: WulkanowySdkFactory,
+    private val sdk: Sdk,
     private val refreshHelper: AutoRefreshHelper,
 ) {
 
@@ -51,15 +47,14 @@ class CompletedLessonsRepository @Inject constructor(
             )
         },
         fetch = {
-            wulkanowySdkFactory.create(student, semester)
+            sdk.init(student)
+                .switchSemester(semester)
                 .getCompletedLessons(start.monday, end.sunday)
                 .mapToEntities(semester)
         },
         saveFetchResult = { old, new ->
-            completedLessonsDb.removeOldAndSaveNew(
-                oldItems = old uniqueSubtract new,
-                newItems = new uniqueSubtract old,
-            )
+            completedLessonsDb.deleteAll(old uniqueSubtract new)
+            completedLessonsDb.insertAll(new uniqueSubtract old)
             refreshHelper.updateLastRefreshTimestamp(getRefreshKey(cacheKey, semester, start, end))
         },
         filterResult = { it.filter { item -> item.date in start..end } }

app/src/main/java/io/github/wulkanowy/data/repositories/ConferenceRepository.kt

@@ -1,14 +1,16 @@
 package io.github.wulkanowy.data.repositories
 
-import io.github.wulkanowy.data.WulkanowySdkFactory
 import io.github.wulkanowy.data.db.dao.ConferenceDao
 import io.github.wulkanowy.data.db.entities.Conference
 import io.github.wulkanowy.data.db.entities.Semester
 import io.github.wulkanowy.data.db.entities.Student
 import io.github.wulkanowy.data.mappers.mapToEntities
 import io.github.wulkanowy.data.networkBoundResource
+import io.github.wulkanowy.sdk.Sdk
 import io.github.wulkanowy.utils.AutoRefreshHelper
 import io.github.wulkanowy.utils.getRefreshKey
+import io.github.wulkanowy.utils.init
+import io.github.wulkanowy.utils.switchSemester
 import io.github.wulkanowy.utils.uniqueSubtract
 import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.sync.Mutex
@@ -19,7 +21,7 @@ import javax.inject.Singleton
 @Singleton
 class ConferenceRepository @Inject constructor(
     private val conferenceDb: ConferenceDao,
-    private val wulkanowySdkFactory: WulkanowySdkFactory,
+    private val sdk: Sdk,
     private val refreshHelper: AutoRefreshHelper,
 ) {
 
@@ -44,18 +46,19 @@ class ConferenceRepository @Inject constructor(
             conferenceDb.loadAll(semester.diaryId, student.studentId, startDate)
         },
         fetch = {
-            wulkanowySdkFactory.create(student, semester)
+            sdk.init(student)
+                .switchSemester(semester)
                 .getConferences()
                 .mapToEntities(semester)
                 .filter { it.date >= startDate }
         },
         saveFetchResult = { old, new ->
-            conferenceDb.removeOldAndSaveNew(
-                oldItems = old uniqueSubtract new,
-                newItems = (new uniqueSubtract old).onEach {
-                    if (notify) it.isNotified = false
-                },
-            )
+            val conferencesToSave = (new uniqueSubtract old).onEach {
+                if (notify) it.isNotified = false
+            }
+
+            conferenceDb.deleteAll(old uniqueSubtract new)
+            conferenceDb.insertAll(conferencesToSave)
             refreshHelper.updateLastRefreshTimestamp(getRefreshKey(cacheKey, semester))
         }
     )

app/src/main/java/io/github/wulkanowy/data/repositories/ExamRepository.kt

@@ -1,16 +1,18 @@
 package io.github.wulkanowy.data.repositories
 
-import io.github.wulkanowy.data.WulkanowySdkFactory
 import io.github.wulkanowy.data.db.dao.ExamDao
 import io.github.wulkanowy.data.db.entities.Exam
 import io.github.wulkanowy.data.db.entities.Semester
 import io.github.wulkanowy.data.db.entities.Student
 import io.github.wulkanowy.data.mappers.mapToEntities
 import io.github.wulkanowy.data.networkBoundResource
+import io.github.wulkanowy.sdk.Sdk
 import io.github.wulkanowy.utils.AutoRefreshHelper
 import io.github.wulkanowy.utils.endExamsDay
 import io.github.wulkanowy.utils.getRefreshKey
+import io.github.wulkanowy.utils.init
 import io.github.wulkanowy.utils.startExamsDay
+import io.github.wulkanowy.utils.switchSemester
 import io.github.wulkanowy.utils.uniqueSubtract
 import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.sync.Mutex
@@ -21,7 +23,7 @@ import javax.inject.Singleton
 @Singleton
 class ExamRepository @Inject constructor(
     private val examDb: ExamDao,
-    private val wulkanowySdkFactory: WulkanowySdkFactory,
+    private val sdk: Sdk,
     private val refreshHelper: AutoRefreshHelper,
 ) {
 
@@ -54,17 +56,18 @@ class ExamRepository @Inject constructor(
             )
         },
         fetch = {
-            wulkanowySdkFactory.create(student, semester)
+            sdk.init(student)
+                .switchSemester(semester)
                 .getExams(start.startExamsDay, start.endExamsDay)
                 .mapToEntities(semester)
         },
         saveFetchResult = { old, new ->
-            examDb.removeOldAndSaveNew(
-                oldItems = old uniqueSubtract new,
-                newItems = (new uniqueSubtract old).onEach {
-                    if (notify) it.isNotified = false
-                },
-            )
+            val examsToSave = (new uniqueSubtract old).onEach {
+                if (notify) it.isNotified = false
+            }
+
+            examDb.deleteAll(old uniqueSubtract new)
+            examDb.insertAll(examsToSave)
             refreshHelper.updateLastRefreshTimestamp(getRefreshKey(cacheKey, semester, start, end))
         },
         filterResult = { it.filter { item -> item.date in start..end } }

app/src/main/java/io/github/wulkanowy/data/repositories/GradeRepository.kt

@@ -1,6 +1,5 @@
 package io.github.wulkanowy.data.repositories
 
-import io.github.wulkanowy.data.WulkanowySdkFactory
 import io.github.wulkanowy.data.db.dao.GradeDao
 import io.github.wulkanowy.data.db.dao.GradeDescriptiveDao
 import io.github.wulkanowy.data.db.dao.GradeSummaryDao
@@ -11,8 +10,11 @@ import io.github.wulkanowy.data.db.entities.Semester
 import io.github.wulkanowy.data.db.entities.Student
 import io.github.wulkanowy.data.mappers.mapToEntities
 import io.github.wulkanowy.data.networkBoundResource
+import io.github.wulkanowy.sdk.Sdk
 import io.github.wulkanowy.utils.AutoRefreshHelper
 import io.github.wulkanowy.utils.getRefreshKey
+import io.github.wulkanowy.utils.init
+import io.github.wulkanowy.utils.switchSemester
 import io.github.wulkanowy.utils.toLocalDate
 import io.github.wulkanowy.utils.uniqueSubtract
 import kotlinx.coroutines.flow.Flow
@@ -28,7 +30,7 @@ class GradeRepository @Inject constructor(
     private val gradeDb: GradeDao,
     private val gradeSummaryDb: GradeSummaryDao,
     private val gradeDescriptiveDb: GradeDescriptiveDao,
-    private val wulkanowySdkFactory: WulkanowySdkFactory,
+    private val sdk: Sdk,
     private val refreshHelper: AutoRefreshHelper,
 ) {
 
@@ -61,7 +63,8 @@ class GradeRepository @Inject constructor(
             }
         },
         fetch = {
-            val (details, summary, descriptive) = wulkanowySdkFactory.create(student, semester)
+            val (details, summary, descriptive) = sdk.init(student)
+                .switchSemester(semester)
                 .getGrades(semester.semesterId)
 
             Triple(
@@ -84,12 +87,10 @@ class GradeRepository @Inject constructor(
         new: List<GradeDescriptive>,
         notify: Boolean
     ) {
-        gradeDescriptiveDb.removeOldAndSaveNew(
-            oldItems = old uniqueSubtract new,
-            newItems = (new uniqueSubtract old).onEach {
-                if (notify) it.isNotified = false
-            },
-        )
+        gradeDescriptiveDb.deleteAll(old uniqueSubtract new)
+        gradeDescriptiveDb.insertAll((new uniqueSubtract old).onEach {
+            if (notify) it.isNotified = false
+        })
     }
 
     private suspend fun refreshGradeDetails(
@@ -100,16 +101,13 @@ class GradeRepository @Inject constructor(
     ) {
         val notifyBreakDate = oldGrades.maxByOrNull { it.date }?.date
             ?: student.registrationDate.toLocalDate()
-
-        gradeDb.removeOldAndSaveNew(
-            oldItems = oldGrades uniqueSubtract newDetails,
-            newItems = (newDetails uniqueSubtract oldGrades).onEach {
-                if (it.date >= notifyBreakDate) it.apply {
-                    isRead = false
-                    if (notify) isNotified = false
-                }
-            },
-        )
+        gradeDb.deleteAll(oldGrades uniqueSubtract newDetails)
+        gradeDb.insertAll((newDetails uniqueSubtract oldGrades).onEach {
+            if (it.date >= notifyBreakDate) it.apply {
+                isRead = false
+                if (notify) isNotified = false
+            }
+        })
     }
 
     private suspend fun refreshGradeSummaries(
@@ -117,43 +115,31 @@ class GradeRepository @Inject constructor(
         newSummary: List<GradeSummary>,
         notify: Boolean
     ) {
-        gradeSummaryDb.removeOldAndSaveNew(
-            oldItems = oldSummaries uniqueSubtract newSummary,
-            newItems = (newSummary uniqueSubtract oldSummaries).onEach { summary ->
-                getGradeSummaryWithUpdatedNotificationState(
-                    summary = summary,
-                    oldSummary = oldSummaries.find { it.subject == summary.subject },
-                    notify = notify,
-                )
-            },
-        )
-    }
+        gradeSummaryDb.deleteAll(oldSummaries uniqueSubtract newSummary)
+        gradeSummaryDb.insertAll((newSummary uniqueSubtract oldSummaries).onEach { summary ->
+            val oldSummary = oldSummaries.find { old -> old.subject == summary.subject }
+            summary.isPredictedGradeNotified = when {
+                summary.predictedGrade.isEmpty() -> true
+                notify && oldSummary?.predictedGrade != summary.predictedGrade -> false
+                else -> true
+            }
+            summary.isFinalGradeNotified = when {
+                summary.finalGrade.isEmpty() -> true
+                notify && oldSummary?.finalGrade != summary.finalGrade -> false
+                else -> true
+            }
 
-    private fun getGradeSummaryWithUpdatedNotificationState(
-        summary: GradeSummary,
-        oldSummary: GradeSummary?,
-        notify: Boolean,
-    ) {
-        summary.isPredictedGradeNotified = when {
-            summary.predictedGrade.isEmpty() -> true
-            notify && oldSummary?.predictedGrade != summary.predictedGrade -> false
-            else -> true
-        }
-        summary.isFinalGradeNotified = when {
-            summary.finalGrade.isEmpty() -> true
-            notify && oldSummary?.finalGrade != summary.finalGrade -> false
-            else -> true
-        }
-        summary.predictedGradeLastChange = when {
-            oldSummary == null -> Instant.now()
-            summary.predictedGrade != oldSummary.predictedGrade -> Instant.now()
-            else -> oldSummary.predictedGradeLastChange
-        }
-        summary.finalGradeLastChange = when {
-            oldSummary == null -> Instant.now()
-            summary.finalGrade != oldSummary.finalGrade -> Instant.now()
-            else -> oldSummary.finalGradeLastChange
-        }
+            summary.predictedGradeLastChange = when {
+                oldSummary == null -> Instant.now()
+                summary.predictedGrade != oldSummary.predictedGrade -> Instant.now()
+                else -> oldSummary.predictedGradeLastChange
+            }
+            summary.finalGradeLastChange = when {
+                oldSummary == null -> Instant.now()
+                summary.finalGrade != oldSummary.finalGrade -> Instant.now()
+                else -> oldSummary.finalGradeLastChange
+            }
+        })
     }
 
     fun getUnreadGrades(semester: Semester): Flow<List<Grade>> {

app/src/main/java/io/github/wulkanowy/data/repositories/GradeStatisticsRepository.kt

@@ -1,6 +1,5 @@
 package io.github.wulkanowy.data.repositories
 
-import io.github.wulkanowy.data.WulkanowySdkFactory
 import io.github.wulkanowy.data.db.dao.GradePartialStatisticsDao
 import io.github.wulkanowy.data.db.dao.GradePointsStatisticsDao
 import io.github.wulkanowy.data.db.dao.GradeSemesterStatisticsDao
@@ -13,11 +12,14 @@ import io.github.wulkanowy.data.mappers.mapPointsToStatisticsItems
 import io.github.wulkanowy.data.mappers.mapSemesterToStatisticItems
 import io.github.wulkanowy.data.mappers.mapToEntities
 import io.github.wulkanowy.data.networkBoundResource
+import io.github.wulkanowy.sdk.Sdk
 import io.github.wulkanowy.utils.AutoRefreshHelper
 import io.github.wulkanowy.utils.getRefreshKey
+import io.github.wulkanowy.utils.init
+import io.github.wulkanowy.utils.switchSemester
 import io.github.wulkanowy.utils.uniqueSubtract
 import kotlinx.coroutines.sync.Mutex
-import java.util.Locale
+import java.util.*
 import javax.inject.Inject
 import javax.inject.Singleton
 
@@ -26,7 +28,7 @@ class GradeStatisticsRepository @Inject constructor(
     private val gradePartialStatisticsDb: GradePartialStatisticsDao,
     private val gradePointsStatisticsDb: GradePointsStatisticsDao,
     private val gradeSemesterStatisticsDb: GradeSemesterStatisticsDao,
-    private val wulkanowySdkFactory: WulkanowySdkFactory,
+    private val sdk: Sdk,
     private val refreshHelper: AutoRefreshHelper,
 ) {
 
@@ -54,15 +56,14 @@ class GradeStatisticsRepository @Inject constructor(
         },
         query = { gradePartialStatisticsDb.loadAll(semester.semesterId, semester.studentId) },
         fetch = {
-            wulkanowySdkFactory.create(student, semester)
+            sdk.init(student)
+                .switchSemester(semester)
                 .getGradesPartialStatistics(semester.semesterId)
                 .mapToEntities(semester)
         },
         saveFetchResult = { old, new ->
-            gradePartialStatisticsDb.removeOldAndSaveNew(
-                oldItems = old uniqueSubtract new,
-                newItems = new uniqueSubtract old,
-            )
+            gradePartialStatisticsDb.deleteAll(old uniqueSubtract new)
+            gradePartialStatisticsDb.insertAll(new uniqueSubtract old)
             refreshHelper.updateLastRefreshTimestamp(getRefreshKey(partialCacheKey, semester))
         },
         mapResult = { items ->
@@ -79,7 +80,6 @@ class GradeStatisticsRepository @Inject constructor(
                     )
                     listOf(summaryItem) + items
                 }
-
                 else -> items.filter { it.subject == subjectName }
             }.mapPartialToStatisticItems()
         }
@@ -101,15 +101,14 @@ class GradeStatisticsRepository @Inject constructor(
         },
         query = { gradeSemesterStatisticsDb.loadAll(semester.semesterId, semester.studentId) },
         fetch = {
-            wulkanowySdkFactory.create(student, semester)
+            sdk.init(student)
+                .switchSemester(semester)
                 .getGradesSemesterStatistics(semester.semesterId)
                 .mapToEntities(semester)
         },
         saveFetchResult = { old, new ->
-            gradeSemesterStatisticsDb.removeOldAndSaveNew(
-                oldItems = old uniqueSubtract new,
-                newItems = new uniqueSubtract old,
-            )
+            gradeSemesterStatisticsDb.deleteAll(old uniqueSubtract new)
+            gradeSemesterStatisticsDb.insertAll(new uniqueSubtract old)
             refreshHelper.updateLastRefreshTimestamp(getRefreshKey(semesterCacheKey, semester))
         },
         mapResult = { items ->
@@ -139,7 +138,6 @@ class GradeStatisticsRepository @Inject constructor(
                     }
                     listOf(summaryItem) + itemsWithAverage
                 }
-
                 else -> itemsWithAverage.filter { it.subject == subjectName }
             }.mapSemesterToStatisticItems()
         }
@@ -159,15 +157,14 @@ class GradeStatisticsRepository @Inject constructor(
         },
         query = { gradePointsStatisticsDb.loadAll(semester.semesterId, semester.studentId) },
         fetch = {
-            wulkanowySdkFactory.create(student, semester)
+            sdk.init(student)
+                .switchSemester(semester)
                 .getGradesPointsStatistics(semester.semesterId)
                 .mapToEntities(semester)
         },
         saveFetchResult = { old, new ->
-            gradePointsStatisticsDb.removeOldAndSaveNew(
-                oldItems = old uniqueSubtract new,
-                newItems = new uniqueSubtract old,
-            )
+            gradePointsStatisticsDb.deleteAll(old uniqueSubtract new)
+            gradePointsStatisticsDb.insertAll(new uniqueSubtract old)
             refreshHelper.updateLastRefreshTimestamp(getRefreshKey(pointsCacheKey, semester))
         },
         mapResult = { items ->

app/src/main/java/io/github/wulkanowy/data/repositories/HomeworkRepository.kt

@@ -1,16 +1,18 @@
 package io.github.wulkanowy.data.repositories
 
-import io.github.wulkanowy.data.WulkanowySdkFactory
 import io.github.wulkanowy.data.db.dao.HomeworkDao
 import io.github.wulkanowy.data.db.entities.Homework
 import io.github.wulkanowy.data.db.entities.Semester
 import io.github.wulkanowy.data.db.entities.Student
 import io.github.wulkanowy.data.mappers.mapToEntities
 import io.github.wulkanowy.data.networkBoundResource
+import io.github.wulkanowy.sdk.Sdk
 import io.github.wulkanowy.utils.AutoRefreshHelper
 import io.github.wulkanowy.utils.getRefreshKey
+import io.github.wulkanowy.utils.init
 import io.github.wulkanowy.utils.monday
 import io.github.wulkanowy.utils.sunday
+import io.github.wulkanowy.utils.switchSemester
 import io.github.wulkanowy.utils.uniqueSubtract
 import kotlinx.coroutines.sync.Mutex
 import java.time.LocalDate
@@ -20,7 +22,7 @@ import javax.inject.Singleton
 @Singleton
 class HomeworkRepository @Inject constructor(
     private val homeworkDb: HomeworkDao,
-    private val wulkanowySdkFactory: WulkanowySdkFactory,
+    private val sdk: Sdk,
     private val refreshHelper: AutoRefreshHelper,
 ) {
 
@@ -53,19 +55,20 @@ class HomeworkRepository @Inject constructor(
             )
         },
         fetch = {
-            wulkanowySdkFactory.create(student, semester)
+            sdk.init(student)
+                .switchSemester(semester)
                 .getHomework(start.monday, end.sunday)
                 .mapToEntities(semester)
         },
         saveFetchResult = { old, new ->
+            val homeWorkToSave = (new uniqueSubtract old).onEach {
+                if (notify) it.isNotified = false
+            }
             val filteredOld = old.filterNot { it.isAddedByUser }
 
-            homeworkDb.removeOldAndSaveNew(
-                oldItems = filteredOld uniqueSubtract new,
-                newItems = (new uniqueSubtract old).onEach {
-                    if (notify) it.isNotified = false
-                },
-            )
+            homeworkDb.deleteAll(filteredOld uniqueSubtract new)
+            homeworkDb.insertAll(homeWorkToSave)
+
             refreshHelper.updateLastRefreshTimestamp(getRefreshKey(cacheKey, semester, start, end))
         }
     )

app/src/main/java/io/github/wulkanowy/data/repositories/LuckyNumberRepository.kt

@@ -1,13 +1,12 @@
 package io.github.wulkanowy.data.repositories
 
-import io.github.wulkanowy.data.WulkanowySdkFactory
 import io.github.wulkanowy.data.db.dao.LuckyNumberDao
 import io.github.wulkanowy.data.db.entities.LuckyNumber
 import io.github.wulkanowy.data.db.entities.Student
 import io.github.wulkanowy.data.mappers.mapToEntity
 import io.github.wulkanowy.data.networkBoundResource
-import io.github.wulkanowy.ui.modules.luckynumberwidget.LuckyNumberWidgetProvider
-import io.github.wulkanowy.utils.AppWidgetUpdater
+import io.github.wulkanowy.sdk.Sdk
+import io.github.wulkanowy.utils.init
 import kotlinx.coroutines.flow.first
 import kotlinx.coroutines.flow.map
 import kotlinx.coroutines.sync.Mutex
@@ -19,8 +18,7 @@ import javax.inject.Singleton
 @Singleton
 class LuckyNumberRepository @Inject constructor(
     private val luckyNumberDb: LuckyNumberDao,
-    private val wulkanowySdkFactory: WulkanowySdkFactory,
-    private val appWidgetUpdater: AppWidgetUpdater,
+    private val sdk: Sdk
 ) {
 
     private val saveFetchResultMutex = Mutex()
@@ -29,28 +27,23 @@ class LuckyNumberRepository @Inject constructor(
         student: Student,
         forceRefresh: Boolean,
         notify: Boolean = false,
-        isFromAppWidget: Boolean = false
     ) = networkBoundResource(
         mutex = saveFetchResultMutex,
         isResultEmpty = { it == null },
         shouldFetch = { it == null || forceRefresh },
         query = { luckyNumberDb.load(student.studentId, now()) },
         fetch = {
-            wulkanowySdkFactory.create(student)
-                .getLuckyNumber(student.schoolShortName)
-                ?.mapToEntity(student)
+            sdk.init(student).getLuckyNumber(student.schoolShortName)?.mapToEntity(student)
         },
         saveFetchResult = { oldLuckyNumber, newLuckyNumber ->
             newLuckyNumber ?: return@networkBoundResource
 
             if (newLuckyNumber != oldLuckyNumber) {
-                luckyNumberDb.removeOldAndSaveNew(
-                    oldItems = listOfNotNull(oldLuckyNumber),
-                    newItems = listOf(newLuckyNumber.apply { if (notify) isNotified = false }),
-                )
-                if (!isFromAppWidget) {
-                    appWidgetUpdater.updateAllAppWidgetsByProvider(LuckyNumberWidgetProvider::class)
-                }
+                val updatedLuckNumberList =
+                    listOf(newLuckyNumber.apply { if (notify) isNotified = false })
+
+                oldLuckyNumber?.let { luckyNumberDb.deleteAll(listOfNotNull(it)) }
+                luckyNumberDb.insertAll(updatedLuckNumberList)
             }
         }
     )

app/src/main/java/io/github/wulkanowy/data/repositories/MessageRepository.kt

@@ -4,7 +4,6 @@ import android.content.Context
 import dagger.hilt.android.qualifiers.ApplicationContext
 import io.github.wulkanowy.R
 import io.github.wulkanowy.data.Resource
-import io.github.wulkanowy.data.WulkanowySdkFactory
 import io.github.wulkanowy.data.db.SharedPrefProvider
 import io.github.wulkanowy.data.db.dao.MailboxDao
 import io.github.wulkanowy.data.db.dao.MessageAttachmentDao
@@ -30,9 +29,11 @@ import io.github.wulkanowy.data.pojos.MessageDraft
 import io.github.wulkanowy.data.toFirstResult
 import io.github.wulkanowy.data.waitForResult
 import io.github.wulkanowy.domain.messages.GetMailboxByStudentUseCase
+import io.github.wulkanowy.sdk.Sdk
 import io.github.wulkanowy.sdk.pojo.Folder
 import io.github.wulkanowy.utils.AutoRefreshHelper
 import io.github.wulkanowy.utils.getRefreshKey
+import io.github.wulkanowy.utils.init
 import io.github.wulkanowy.utils.uniqueSubtract
 import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.sync.Mutex
@@ -47,7 +48,7 @@ class MessageRepository @Inject constructor(
     private val messagesDb: MessagesDao,
     private val mutedMessageSendersDao: MutedMessageSendersDao,
     private val messageAttachmentDao: MessageAttachmentDao,
-    private val wulkanowySdkFactory: WulkanowySdkFactory,
+    private val sdk: Sdk,
     @ApplicationContext private val context: Context,
     private val refreshHelper: AutoRefreshHelper,
     private val sharedPrefProvider: SharedPrefProvider,
@@ -81,26 +82,19 @@ class MessageRepository @Inject constructor(
             } else messagesDb.loadMessagesWithMutedAuthor(mailbox.globalKey, folder.id)
         },
         fetch = {
-            wulkanowySdkFactory.create(student)
-                .getMessages(
-                    folder = Folder.valueOf(folder.name),
-                    mailboxKey = mailbox?.globalKey,
-                )
-                .mapToEntities(
-                    student = student,
-                    mailbox = mailbox,
-                    allMailboxes = mailboxDao.loadAll(student.email)
-                )
+            sdk.init(student).getMessages(
+                folder = Folder.valueOf(folder.name),
+                mailboxKey = mailbox?.globalKey,
+            ).mapToEntities(student, mailbox, mailboxDao.loadAll(student.email))
         },
         saveFetchResult = { oldWithAuthors, new ->
             val old = oldWithAuthors.map { it.message }
-            messagesDb.removeOldAndSaveNew(
-                oldItems = old uniqueSubtract new,
-                newItems = (new uniqueSubtract old).onEach {
-                    val muted = isMuted(it.correspondents)
-                    it.isNotified = !notify || muted
-                },
-            )
+            messagesDb.deleteAll(old uniqueSubtract new)
+            messagesDb.insertAll((new uniqueSubtract old).onEach {
+                val muted = isMuted(it.correspondents)
+                it.isNotified = !notify || muted
+            })
+
             refreshHelper.updateLastRefreshTimestamp(
                 getRefreshKey(messagesCacheKey, mailbox, folder)
             )
@@ -120,11 +114,10 @@ class MessageRepository @Inject constructor(
         },
         query = { messagesDb.loadMessageWithAttachment(message.messageGlobalKey) },
         fetch = {
-            wulkanowySdkFactory.create(student)
-                .getMessageDetails(
-                    messageKey = message.messageGlobalKey,
-                    markAsRead = message.unread && markAsRead,
-                )
+            sdk.init(student).getMessageDetails(
+                messageKey = it!!.message.messageGlobalKey,
+                markAsRead = message.unread && markAsRead,
+            )
         },
         saveFetchResult = { old, new ->
             checkNotNull(old) { "Fetched message no longer exist!" }
@@ -165,19 +158,19 @@ class MessageRepository @Inject constructor(
         recipients: List<Recipient>,
         mailbox: Mailbox,
     ) {
-        wulkanowySdkFactory.create(student)
-            .sendMessage(
-                subject = subject,
-                content = content,
-                recipients = recipients.mapFromEntities(),
-                mailboxId = mailbox.globalKey,
-            )
+        sdk.init(student).sendMessage(
+            subject = subject,
+            content = content,
+            recipients = recipients.mapFromEntities(),
+            mailboxId = mailbox.globalKey,
+        )
         refreshFolders(student, mailbox, listOf(SENT))
     }
 
     suspend fun restoreMessages(student: Student, mailbox: Mailbox?, messages: List<Message>) {
-        wulkanowySdkFactory.create(student)
-            .restoreMessages(messages = messages.map { it.messageGlobalKey })
+        sdk.init(student).restoreMessages(
+            messages = messages.map { it.messageGlobalKey },
+        )
 
         refreshFolders(student, mailbox)
     }
@@ -188,11 +181,10 @@ class MessageRepository @Inject constructor(
 
     suspend fun deleteMessages(student: Student, messages: List<Message>) {
         val firstMessage = messages.first()
-        wulkanowySdkFactory.create(student)
-            .deleteMessages(
-                messages = messages.map { it.messageGlobalKey },
-                removeForever = firstMessage.folderId == TRASHED.id,
-            )
+        sdk.init(student).deleteMessages(
+            messages = messages.map { it.messageGlobalKey },
+            removeForever = firstMessage.folderId == TRASHED.id,
+        )
 
         if (firstMessage.folderId != TRASHED.id) {
             val deletedMessages = messages.map {
@@ -237,9 +229,7 @@ class MessageRepository @Inject constructor(
         },
         query = { mailboxDao.loadAll(student.email, student.symbol, student.schoolSymbol) },
         fetch = {
-            wulkanowySdkFactory.create(student)
-                .getMailboxes()
-                .mapToEntities(student)
+            sdk.init(student).getMailboxes().mapToEntities(student)
         },
         saveFetchResult = { old, new ->
             mailboxDao.deleteAll(old uniqueSubtract new)

app/src/main/java/io/github/wulkanowy/data/repositories/MobileDeviceRepository.kt

@@ -1,6 +1,5 @@
 package io.github.wulkanowy.data.repositories
 
-import io.github.wulkanowy.data.WulkanowySdkFactory
 import io.github.wulkanowy.data.db.dao.MobileDeviceDao
 import io.github.wulkanowy.data.db.entities.MobileDevice
 import io.github.wulkanowy.data.db.entities.Semester
@@ -9,8 +8,11 @@ import io.github.wulkanowy.data.mappers.mapToEntities
 import io.github.wulkanowy.data.mappers.mapToMobileDeviceToken
 import io.github.wulkanowy.data.networkBoundResource
 import io.github.wulkanowy.data.pojos.MobileDeviceToken
+import io.github.wulkanowy.sdk.Sdk
 import io.github.wulkanowy.utils.AutoRefreshHelper
 import io.github.wulkanowy.utils.getRefreshKey
+import io.github.wulkanowy.utils.init
+import io.github.wulkanowy.utils.switchSemester
 import io.github.wulkanowy.utils.uniqueSubtract
 import kotlinx.coroutines.sync.Mutex
 import javax.inject.Inject
@@ -19,7 +21,7 @@ import javax.inject.Singleton
 @Singleton
 class MobileDeviceRepository @Inject constructor(
     private val mobileDb: MobileDeviceDao,
-    private val wulkanowySdkFactory: WulkanowySdkFactory,
+    private val sdk: Sdk,
     private val refreshHelper: AutoRefreshHelper,
 ) {
 
@@ -38,30 +40,32 @@ class MobileDeviceRepository @Inject constructor(
             val isExpired = refreshHelper.shouldBeRefreshed(getRefreshKey(cacheKey, student))
             it.isEmpty() || forceRefresh || isExpired
         },
-        query = { mobileDb.loadAll(student.studentId) },
+        query = { mobileDb.loadAll(student.userLoginId) },
         fetch = {
-            wulkanowySdkFactory.create(student, semester)
+            sdk.init(student)
+                .switchSemester(semester)
                 .getRegisteredDevices()
                 .mapToEntities(student)
         },
         saveFetchResult = { old, new ->
-            mobileDb.removeOldAndSaveNew(
-                oldItems = old uniqueSubtract new,
-                newItems = new uniqueSubtract old,
-            )
+            mobileDb.deleteAll(old uniqueSubtract new)
+            mobileDb.insertAll(new uniqueSubtract old)
+
             refreshHelper.updateLastRefreshTimestamp(getRefreshKey(cacheKey, student))
         }
     )
 
     suspend fun unregisterDevice(student: Student, semester: Semester, device: MobileDevice) {
-        wulkanowySdkFactory.create(student, semester)
+        sdk.init(student)
+            .switchSemester(semester)
             .unregisterDevice(device.deviceId)
 
         mobileDb.deleteAll(listOf(device))
     }
 
     suspend fun getToken(student: Student, semester: Semester): MobileDeviceToken {
-        return wulkanowySdkFactory.create(student, semester)
+        return sdk.init(student)
+            .switchSemester(semester)
             .getToken()
             .mapToMobileDeviceToken()
     }

app/src/main/java/io/github/wulkanowy/data/repositories/NoteRepository.kt

@@ -1,16 +1,13 @@
 package io.github.wulkanowy.data.repositories
 
-import io.github.wulkanowy.data.WulkanowySdkFactory
 import io.github.wulkanowy.data.db.dao.NoteDao
 import io.github.wulkanowy.data.db.entities.Note
 import io.github.wulkanowy.data.db.entities.Semester
 import io.github.wulkanowy.data.db.entities.Student
 import io.github.wulkanowy.data.mappers.mapToEntities
 import io.github.wulkanowy.data.networkBoundResource
-import io.github.wulkanowy.utils.AutoRefreshHelper
-import io.github.wulkanowy.utils.getRefreshKey
-import io.github.wulkanowy.utils.toLocalDate
-import io.github.wulkanowy.utils.uniqueSubtract
+import io.github.wulkanowy.sdk.Sdk
+import io.github.wulkanowy.utils.*
 import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.sync.Mutex
 import javax.inject.Inject
@@ -19,7 +16,7 @@ import javax.inject.Singleton
 @Singleton
 class NoteRepository @Inject constructor(
     private val noteDb: NoteDao,
-    private val wulkanowySdkFactory: WulkanowySdkFactory,
+    private val sdk: Sdk,
     private val refreshHelper: AutoRefreshHelper,
 ) {
 
@@ -43,21 +40,20 @@ class NoteRepository @Inject constructor(
         },
         query = { noteDb.loadAll(student.studentId) },
         fetch = {
-            wulkanowySdkFactory.create(student, semester)
+            sdk.init(student)
+                .switchSemester(semester)
                 .getNotes()
                 .mapToEntities(semester)
         },
         saveFetchResult = { old, new ->
-            val notesToAdd = (new uniqueSubtract old).onEach {
+            noteDb.deleteAll(old uniqueSubtract new)
+            noteDb.insertAll((new uniqueSubtract old).onEach {
                 if (it.date >= student.registrationDate.toLocalDate()) it.apply {
                     isRead = false
                     if (notify) isNotified = false
                 }
-            }
-            noteDb.removeOldAndSaveNew(
-                oldItems = old uniqueSubtract new,
-                newItems = notesToAdd,
-            )
+            })
+
             refreshHelper.updateLastRefreshTimestamp(getRefreshKey(cacheKey, semester))
         }
     )

app/src/main/java/io/github/wulkanowy/data/repositories/PreferencesRepository.kt

@@ -9,13 +9,10 @@ import com.fredporciuncula.flow.preferences.Preference
 import com.fredporciuncula.flow.preferences.Serializer
 import dagger.hilt.android.qualifiers.ApplicationContext
 import io.github.wulkanowy.R
-import io.github.wulkanowy.data.api.models.Mapping
 import io.github.wulkanowy.data.enums.AppTheme
-import io.github.wulkanowy.data.enums.AttendanceCalculatorSortingMode
 import io.github.wulkanowy.data.enums.GradeColorTheme
 import io.github.wulkanowy.data.enums.GradeExpandMode
 import io.github.wulkanowy.data.enums.GradeSortingMode
-import io.github.wulkanowy.data.enums.ShowAdditionalLessonsMode
 import io.github.wulkanowy.data.enums.TimetableGapsMode
 import io.github.wulkanowy.data.enums.TimetableMode
 import io.github.wulkanowy.ui.modules.dashboard.DashboardItem
@@ -44,27 +41,6 @@ class PreferencesRepository @Inject constructor(
             R.bool.pref_default_attendance_present
         )
 
-    val targetAttendanceFlow: Flow<Int>
-        get() = flowSharedPref.getInt(
-            context.getString(R.string.pref_key_attendance_target),
-            context.resources.getInteger(R.integer.pref_default_attendance_target)
-        ).asFlow()
-
-    val attendanceCalculatorSortingModeFlow: Flow<AttendanceCalculatorSortingMode>
-        get() = flowSharedPref.getString(
-            context.getString(R.string.pref_key_attendance_calculator_sorting_mode),
-            context.resources.getString(R.string.pref_default_attendance_calculator_sorting_mode)
-        ).asFlow().map(AttendanceCalculatorSortingMode::getByValue)
-
-    /**
-     * Subjects are empty when they don't have any attendances (total = 0, attendances = 0, absences = 0).
-     */
-    val attendanceCalculatorShowEmptySubjects: Flow<Boolean>
-        get() = flowSharedPref.getBoolean(
-            context.getString(R.string.pref_key_attendance_calculator_show_empty_subjects),
-            context.resources.getBoolean(R.bool.pref_default_attendance_calculator_show_empty_subjects)
-        ).asFlow()
-
     private val gradeAverageModePref: Preference<GradeAverageMode>
         get() = getObjectFlow(
             R.string.pref_key_grade_average_mode,
@@ -215,12 +191,6 @@ class PreferencesRepository @Inject constructor(
             )
         )
 
-    val showAdditionalLessonsInPlan: ShowAdditionalLessonsMode
-        get() = getString(
-            R.string.pref_key_timetable_show_additional_lessons,
-            R.string.pref_default_timetable_show_additional_lessons
-        ).let { ShowAdditionalLessonsMode.getByValue(it) }
-
     val gradeSortingMode: GradeSortingMode
         get() = GradeSortingMode.getByValue(
             getString(
@@ -376,15 +346,6 @@ class PreferencesRepository @Inject constructor(
         get() = sharedPref.getString(PREF_KEY_INSTALLATION_ID, null).orEmpty()
         private set(value) = sharedPref.edit { putString(PREF_KEY_INSTALLATION_ID, value) }
 
-    var mapping: Mapping?
-        get() {
-            val value = sharedPref.getString("mapping", null)
-            return value?.let { json.decodeFromString(it) }
-        }
-        set(value) = sharedPref.edit(commit = true) {
-            putString("mapping", value?.let { json.encodeToString(it) })
-        }
-
     init {
         if (installationId.isEmpty()) {
             installationId = UUID.randomUUID().toString()

app/src/main/java/io/github/wulkanowy/data/repositories/RecipientRepository.kt

@@ -1,15 +1,12 @@
 package io.github.wulkanowy.data.repositories
 
-import io.github.wulkanowy.data.WulkanowySdkFactory
 import io.github.wulkanowy.data.db.dao.RecipientDao
-import io.github.wulkanowy.data.db.entities.Mailbox
-import io.github.wulkanowy.data.db.entities.MailboxType
-import io.github.wulkanowy.data.db.entities.Message
-import io.github.wulkanowy.data.db.entities.Recipient
-import io.github.wulkanowy.data.db.entities.Student
+import io.github.wulkanowy.data.db.entities.*
 import io.github.wulkanowy.data.mappers.mapToEntities
+import io.github.wulkanowy.sdk.Sdk
 import io.github.wulkanowy.utils.AutoRefreshHelper
 import io.github.wulkanowy.utils.getRefreshKey
+import io.github.wulkanowy.utils.init
 import io.github.wulkanowy.utils.uniqueSubtract
 import javax.inject.Inject
 import javax.inject.Singleton
@@ -17,22 +14,19 @@ import javax.inject.Singleton
 @Singleton
 class RecipientRepository @Inject constructor(
     private val recipientDb: RecipientDao,
-    private val wulkanowySdkFactory: WulkanowySdkFactory,
+    private val sdk: Sdk,
     private val refreshHelper: AutoRefreshHelper,
 ) {
 
     private val cacheKey = "recipient"
 
     suspend fun refreshRecipients(student: Student, mailbox: Mailbox, type: MailboxType) {
-        val new = wulkanowySdkFactory.create(student)
-            .getRecipients(mailbox.globalKey)
+        val new = sdk.init(student).getRecipients(mailbox.globalKey)
             .mapToEntities(mailbox.globalKey)
         val old = recipientDb.loadAll(type, mailbox.globalKey)
 
-        recipientDb.removeOldAndSaveNew(
-            oldItems = old uniqueSubtract new,
-            newItems = new uniqueSubtract old,
-        )
+        recipientDb.deleteAll(old uniqueSubtract new)
+        recipientDb.insertAll(new uniqueSubtract old)
 
         refreshHelper.updateLastRefreshTimestamp(getRefreshKey(cacheKey, student))
     }
@@ -60,7 +54,7 @@ class RecipientRepository @Inject constructor(
     ): List<Recipient> {
         mailbox ?: return emptyList()
 
-        return wulkanowySdkFactory.create(student)
+        return sdk.init(student)
             .getMessageReplayDetails(message.messageGlobalKey)
             .sender
             .let(::listOf)

app/src/main/java/io/github/wulkanowy/data/repositories/RecoverRepository.kt

@@ -1,23 +1,17 @@
 package io.github.wulkanowy.data.repositories
 
-import io.github.wulkanowy.data.WulkanowySdkFactory
+import io.github.wulkanowy.sdk.Sdk
 import javax.inject.Inject
 import javax.inject.Singleton
 
 @Singleton
-class RecoverRepository @Inject constructor(
-    private val wulkanowySdkFactory: WulkanowySdkFactory
-) {
+class RecoverRepository @Inject constructor(private val sdk: Sdk) {
 
-    suspend fun getReCaptchaSiteKey(host: String, symbol: String): Pair<String, String> =
-        wulkanowySdkFactory.create()
-            .getPasswordResetCaptchaCode(host, symbol)
+    suspend fun getReCaptchaSiteKey(host: String, symbol: String): Pair<String, String> {
+        return sdk.getPasswordResetCaptchaCode(host, symbol)
+    }
 
     suspend fun sendRecoverRequest(
-        url: String,
-        symbol: String,
-        email: String,
-        reCaptchaResponse: String
-    ): String = wulkanowySdkFactory.create()
-        .sendPasswordResetRequest(url, symbol, email, reCaptchaResponse)
+        url: String, symbol: String, email: String, reCaptchaResponse: String
+    ): String = sdk.sendPasswordResetRequest(url, symbol, email, reCaptchaResponse)
 }

app/src/main/java/io/github/wulkanowy/data/repositories/SchoolAnnouncementRepository.kt

@@ -1,13 +1,14 @@
 package io.github.wulkanowy.data.repositories
 
-import io.github.wulkanowy.data.WulkanowySdkFactory
 import io.github.wulkanowy.data.db.dao.SchoolAnnouncementDao
 import io.github.wulkanowy.data.db.entities.SchoolAnnouncement
 import io.github.wulkanowy.data.db.entities.Student
 import io.github.wulkanowy.data.mappers.mapToEntities
 import io.github.wulkanowy.data.networkBoundResource
+import io.github.wulkanowy.sdk.Sdk
 import io.github.wulkanowy.utils.AutoRefreshHelper
 import io.github.wulkanowy.utils.getRefreshKey
+import io.github.wulkanowy.utils.init
 import io.github.wulkanowy.utils.uniqueSubtract
 import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.sync.Mutex
@@ -17,7 +18,7 @@ import javax.inject.Singleton
 @Singleton
 class SchoolAnnouncementRepository @Inject constructor(
     private val schoolAnnouncementDb: SchoolAnnouncementDao,
-    private val wulkanowySdkFactory: WulkanowySdkFactory,
+    private val sdk: Sdk,
     private val refreshHelper: AutoRefreshHelper,
 ) {
 
@@ -37,27 +38,26 @@ class SchoolAnnouncementRepository @Inject constructor(
             it.isEmpty() || forceRefresh || isExpired
         },
         query = {
-            schoolAnnouncementDb.loadAll(student.studentId)
+            schoolAnnouncementDb.loadAll(student.userLoginId)
         },
         fetch = {
-            val sdk = wulkanowySdkFactory.create(student)
-            val lastAnnouncements = sdk.getLastAnnouncements().mapToEntities(student)
-            val directorInformation = sdk.getDirectorInformation().mapToEntities(student)
-            lastAnnouncements + directorInformation
+            sdk.init(student)
+                .getDirectorInformation()
+                .mapToEntities(student)
         },
         saveFetchResult = { old, new ->
-            schoolAnnouncementDb.removeOldAndSaveNew(
-                oldItems = old uniqueSubtract new,
-                newItems = (new uniqueSubtract old).onEach {
-                    if (notify) it.isNotified = false
-                },
-            )
+            val schoolAnnouncementsToSave = (new uniqueSubtract old).onEach {
+                if (notify) it.isNotified = false
+            }
+
+            schoolAnnouncementDb.deleteAll(old uniqueSubtract new)
+            schoolAnnouncementDb.insertAll(schoolAnnouncementsToSave)
             refreshHelper.updateLastRefreshTimestamp(getRefreshKey(cacheKey, student))
         }
     )
 
     fun getSchoolAnnouncementFromDatabase(student: Student): Flow<List<SchoolAnnouncement>> {
-        return schoolAnnouncementDb.loadAll(student.studentId)
+        return schoolAnnouncementDb.loadAll(student.userLoginId)
     }
 
     suspend fun updateSchoolAnnouncement(schoolAnnouncement: List<SchoolAnnouncement>) =

app/src/main/java/io/github/wulkanowy/data/repositories/SchoolRepository.kt

@@ -1,13 +1,15 @@
 package io.github.wulkanowy.data.repositories
 
-import io.github.wulkanowy.data.WulkanowySdkFactory
 import io.github.wulkanowy.data.db.dao.SchoolDao
 import io.github.wulkanowy.data.db.entities.Semester
 import io.github.wulkanowy.data.db.entities.Student
 import io.github.wulkanowy.data.mappers.mapToEntity
 import io.github.wulkanowy.data.networkBoundResource
+import io.github.wulkanowy.sdk.Sdk
 import io.github.wulkanowy.utils.AutoRefreshHelper
 import io.github.wulkanowy.utils.getRefreshKey
+import io.github.wulkanowy.utils.init
+import io.github.wulkanowy.utils.switchSemester
 import kotlinx.coroutines.sync.Mutex
 import javax.inject.Inject
 import javax.inject.Singleton
@@ -15,7 +17,7 @@ import javax.inject.Singleton
 @Singleton
 class SchoolRepository @Inject constructor(
     private val schoolDb: SchoolDao,
-    private val wulkanowySdkFactory: WulkanowySdkFactory,
+    private val sdk: Sdk,
     private val refreshHelper: AutoRefreshHelper,
 ) {
 
@@ -38,16 +40,17 @@ class SchoolRepository @Inject constructor(
         },
         query = { schoolDb.load(semester.studentId, semester.classId) },
         fetch = {
-            wulkanowySdkFactory.create(student, semester)
+            sdk.init(student)
+                .switchSemester(semester)
                 .getSchool()
                 .mapToEntity(semester)
         },
         saveFetchResult = { old, new ->
             if (old != null && new != old) {
-                schoolDb.removeOldAndSaveNew(
-                    oldItems = listOf(old),
-                    newItems = listOf(new)
-                )
+                with(schoolDb) {
+                    deleteAll(listOf(old))
+                    insertAll(listOf(new))
+                }
             } else if (old == null) {
                 schoolDb.insertAll(listOf(new))
             }

app/src/main/java/io/github/wulkanowy/data/repositories/SchoolsRepository.kt

@@ -1,15 +1,17 @@
 package io.github.wulkanowy.data.repositories
 
-import io.github.wulkanowy.data.WulkanowySdkFactory
-import io.github.wulkanowy.data.api.services.SchoolsService
+import io.github.wulkanowy.data.api.SchoolsService
 import io.github.wulkanowy.data.db.entities.Semester
 import io.github.wulkanowy.data.db.entities.Student
 import io.github.wulkanowy.data.db.entities.StudentWithSemesters
 import io.github.wulkanowy.data.pojos.IntegrityRequest
 import io.github.wulkanowy.data.pojos.LoginEvent
+import io.github.wulkanowy.sdk.Sdk
 import io.github.wulkanowy.ui.modules.login.LoginData
 import io.github.wulkanowy.utils.IntegrityHelper
 import io.github.wulkanowy.utils.getCurrentOrLast
+import io.github.wulkanowy.utils.init
+import io.github.wulkanowy.utils.switchSemester
 import kotlinx.coroutines.withTimeout
 import timber.log.Timber
 import java.util.UUID
@@ -21,7 +23,7 @@ import kotlin.time.Duration.Companion.seconds
 class SchoolsRepository @Inject constructor(
     private val integrityHelper: IntegrityHelper,
     private val schoolsService: SchoolsService,
-    private val wulkanowySdkFactory: WulkanowySdkFactory,
+    private val sdk: Sdk,
 ) {
 
     suspend fun logSchoolLogin(loginData: LoginData, students: List<StudentWithSemesters>) {
@@ -38,9 +40,10 @@ class SchoolsRepository @Inject constructor(
     private suspend fun logLogin(loginData: LoginData, student: Student, semester: Semester) {
         val requestId = UUID.randomUUID().toString()
         val token = integrityHelper.getIntegrityToken(requestId) ?: return
-        val updatedStudent = student.copy(password = loginData.password)
 
-        val schoolInfo = wulkanowySdkFactory.create(updatedStudent, semester)
+        val schoolInfo = sdk
+            .init(student.copy(password = loginData.password))
+            .switchSemester(semester)
             .getSchool()
 
         schoolsService.logLoginEvent(

app/src/main/java/io/github/wulkanowy/data/repositories/SemesterRepository.kt

@@ -1,15 +1,11 @@
 package io.github.wulkanowy.data.repositories
 
-import io.github.wulkanowy.data.WulkanowySdkFactory
 import io.github.wulkanowy.data.db.dao.SemesterDao
 import io.github.wulkanowy.data.db.entities.Semester
 import io.github.wulkanowy.data.db.entities.Student
 import io.github.wulkanowy.data.mappers.mapToEntities
 import io.github.wulkanowy.sdk.Sdk
-import io.github.wulkanowy.utils.DispatchersProvider
-import io.github.wulkanowy.utils.getCurrentOrLast
-import io.github.wulkanowy.utils.isCurrent
-import io.github.wulkanowy.utils.uniqueSubtract
+import io.github.wulkanowy.utils.*
 import kotlinx.coroutines.withContext
 import timber.log.Timber
 import javax.inject.Inject
@@ -18,8 +14,8 @@ import javax.inject.Singleton
 @Singleton
 class SemesterRepository @Inject constructor(
     private val semesterDb: SemesterDao,
-    private val wulkanowySdkFactory: WulkanowySdkFactory,
-    private val dispatchers: DispatchersProvider,
+    private val sdk: Sdk,
+    private val dispatchers: DispatchersProvider
 ) {
 
     suspend fun getSemesters(
@@ -49,7 +45,6 @@ class SemesterRepository @Inject constructor(
                     0 == it.diaryId && 0 == it.kindergartenDiaryId
                 } == true
             }
-
             else -> false
         }
 
@@ -60,20 +55,12 @@ class SemesterRepository @Inject constructor(
     }
 
     private suspend fun refreshSemesters(student: Student) {
-        val new = wulkanowySdkFactory.create(student)
-            .getSemesters()
-            .mapToEntities(student.studentId)
-
-        if (new.isEmpty()) {
-            Timber.i("Empty semester list from SDK!")
-            return
-        }
+        val new = sdk.init(student).getSemesters().mapToEntities(student.studentId)
+        if (new.isEmpty()) return Timber.i("Empty semester list!")
 
         val old = semesterDb.loadAll(student.studentId, student.classId)
-        semesterDb.removeOldAndSaveNew(
-            oldItems = old uniqueSubtract new,
-            newItems = new uniqueSubtract old,
-        )
+        semesterDb.deleteAll(old.uniqueSubtract(new))
+        semesterDb.insertSemesters(new.uniqueSubtract(old))
     }
 
     suspend fun getCurrentSemester(student: Student, forceRefresh: Boolean = false) =

app/src/main/java/io/github/wulkanowy/data/repositories/StudentInfoRepository.kt

@@ -1,11 +1,13 @@
 package io.github.wulkanowy.data.repositories
 
-import io.github.wulkanowy.data.WulkanowySdkFactory
 import io.github.wulkanowy.data.db.dao.StudentInfoDao
 import io.github.wulkanowy.data.db.entities.Semester
 import io.github.wulkanowy.data.db.entities.Student
 import io.github.wulkanowy.data.mappers.mapToEntity
 import io.github.wulkanowy.data.networkBoundResource
+import io.github.wulkanowy.sdk.Sdk
+import io.github.wulkanowy.utils.init
+import io.github.wulkanowy.utils.switchSemester
 import kotlinx.coroutines.sync.Mutex
 import javax.inject.Inject
 import javax.inject.Singleton
@@ -13,7 +15,7 @@ import javax.inject.Singleton
 @Singleton
 class StudentInfoRepository @Inject constructor(
     private val studentInfoDao: StudentInfoDao,
-    private val wulkanowySdkFactory: WulkanowySdkFactory,
+    private val sdk: Sdk
 ) {
 
     private val saveFetchResultMutex = Mutex()
@@ -28,16 +30,16 @@ class StudentInfoRepository @Inject constructor(
         shouldFetch = { it == null || forceRefresh },
         query = { studentInfoDao.loadStudentInfo(student.studentId) },
         fetch = {
-            wulkanowySdkFactory.create(student, semester)
-                .getStudentInfo()
-                .mapToEntity(semester)
+            sdk.init(student)
+                .switchSemester(semester)
+                .getStudentInfo().mapToEntity(semester)
         },
         saveFetchResult = { old, new ->
             if (old != null && new != old) {
-                studentInfoDao.removeOldAndSaveNew(
-                    oldItems = listOf(old),
-                    newItems = listOf(new),
-                )
+                with(studentInfoDao) {
+                    deleteAll(listOf(old))
+                    insertAll(listOf(new))
+                }
             } else if (old == null) {
                 studentInfoDao.insertAll(listOf(new))
             }

app/src/main/java/io/github/wulkanowy/data/repositories/StudentRepository.kt

@@ -1,25 +1,23 @@
 package io.github.wulkanowy.data.repositories
 
 import androidx.room.withTransaction
-import io.github.wulkanowy.data.WulkanowySdkFactory
 import io.github.wulkanowy.data.db.AppDatabase
 import io.github.wulkanowy.data.db.dao.SemesterDao
 import io.github.wulkanowy.data.db.dao.StudentDao
 import io.github.wulkanowy.data.db.entities.Semester
 import io.github.wulkanowy.data.db.entities.Student
-import io.github.wulkanowy.data.db.entities.StudentIsAuthorized
 import io.github.wulkanowy.data.db.entities.StudentName
 import io.github.wulkanowy.data.db.entities.StudentNickAndAvatar
 import io.github.wulkanowy.data.db.entities.StudentWithSemesters
 import io.github.wulkanowy.data.exceptions.NoCurrentStudentException
-import io.github.wulkanowy.data.mappers.mapToEntities
 import io.github.wulkanowy.data.mappers.mapToPojo
 import io.github.wulkanowy.data.pojos.RegisterUser
 import io.github.wulkanowy.sdk.Sdk
 import io.github.wulkanowy.utils.DispatchersProvider
+import io.github.wulkanowy.utils.init
 import io.github.wulkanowy.utils.security.Scrambler
+import io.github.wulkanowy.utils.switchSemester
 import kotlinx.coroutines.withContext
-import timber.log.Timber
 import javax.inject.Inject
 import javax.inject.Singleton
 
@@ -28,7 +26,7 @@ class StudentRepository @Inject constructor(
     private val dispatchers: DispatchersProvider,
     private val studentDb: StudentDao,
     private val semesterDb: SemesterDao,
-    private val wulkanowySdkFactory: WulkanowySdkFactory,
+    private val sdk: Sdk,
     private val appDatabase: AppDatabase,
     private val scrambler: Scrambler,
 ) {
@@ -39,10 +37,9 @@ class StudentRepository @Inject constructor(
         pin: String,
         symbol: String,
         token: String
-    ): RegisterUser = wulkanowySdkFactory.create()
+    ): RegisterUser = sdk
         .getStudentsFromHebe(token, pin, symbol, "")
         .mapToPojo(null)
-        .also { it.logErrors() }
 
     suspend fun getUserSubjectsFromScrapper(
         email: String,
@@ -50,20 +47,18 @@ class StudentRepository @Inject constructor(
         scrapperBaseUrl: String,
         domainSuffix: String,
         symbol: String
-    ): RegisterUser = wulkanowySdkFactory.create()
+    ): RegisterUser = sdk
         .getUserSubjectsFromScrapper(email, password, scrapperBaseUrl, domainSuffix, symbol)
         .mapToPojo(password)
-        .also { it.logErrors() }
 
     suspend fun getStudentsHybrid(
         email: String,
         password: String,
         scrapperBaseUrl: String,
         symbol: String
-    ): RegisterUser = wulkanowySdkFactory.create()
+    ): RegisterUser = sdk
         .getStudentsHybrid(email, password, scrapperBaseUrl, "", symbol)
         .mapToPojo(password)
-        .also { it.logErrors() }
 
     suspend fun getSavedStudents(decryptPass: Boolean = true): List<StudentWithSemesters> {
         return studentDb.loadStudentsWithSemesters().map { (student, semesters) ->
@@ -105,46 +100,6 @@ class StudentRepository @Inject constructor(
         return student
     }
 
-    suspend fun updateCurrentStudentAuthStatus() {
-        Timber.i("Check isAuthorized: started")
-        val student = getCurrentStudent()
-        if (student.isAuthorized) {
-            Timber.i("Check isAuthorized: already authorized")
-            return
-        }
-
-        val initializedSdk = wulkanowySdkFactory.create(student)
-        val newCurrentStudent = runCatching { initializedSdk.getCurrentStudent() }
-            .onFailure { Timber.e(it, "Check isAuthorized: error occurred") }
-            .getOrNull()
-
-        if (newCurrentStudent == null) {
-            Timber.d("Check isAuthorized: current user is null")
-            return
-        }
-
-        val currentStudentSemesters = semesterDb.loadAll(student.studentId, student.classId)
-        if (currentStudentSemesters.isEmpty()) {
-            Timber.d("Check isAuthorized: apply empty semesters workaround")
-            semesterDb.insertSemesters(
-                items = newCurrentStudent.semesters.mapToEntities(student.studentId),
-            )
-        }
-
-        if (!newCurrentStudent.isAuthorized) {
-            Timber.i("Check isAuthorized: authorization required")
-            throw NoAuthorizationException()
-        }
-
-        val studentIsAuthorized = StudentIsAuthorized(
-            id = student.id,
-            isAuthorized = true
-        )
-
-        Timber.i("Check isAuthorized: already authorized, update local status")
-        studentDb.update(studentIsAuthorized)
-    }
-
     suspend fun getCurrentStudent(decryptPass: Boolean = true): Student {
         val student = studentDb.loadCurrent() ?: throw NoCurrentStudentException()
 
@@ -194,24 +149,20 @@ class StudentRepository @Inject constructor(
         .distinctBy { it.student.studentName }.size == 1
 
     suspend fun authorizePermission(student: Student, semester: Semester, pesel: String) =
-        wulkanowySdkFactory.create(student, semester)
+        sdk.init(student)
+            .switchSemester(semester)
             .authorizePermission(pesel)
 
-    suspend fun refreshStudentAfterAuthorize(student: Student, semester: Semester) {
-        val wulkanowySdk = wulkanowySdkFactory.create(student, semester)
-            val newCurrentApiStudent = runCatching { wulkanowySdk.getCurrentStudent() }
-            .onFailure { Timber.e(it, "Can't find student with id ${student.studentId}") }
-            .getOrNull() ?: return
+    suspend fun refreshStudentName(student: Student, semester: Semester) {
+        val newCurrentApiStudent = sdk.init(student)
+            .switchSemester(semester)
+            .getCurrentStudent() ?: return
 
         val studentName = StudentName(
             studentName = "${newCurrentApiStudent.studentName} ${newCurrentApiStudent.studentSurname}"
         ).apply { id = student.id }
 
         studentDb.update(studentName)
-        semesterDb.removeOldAndSaveNew(
-            oldItems = semesterDb.loadAll(student.studentId, semester.classId),
-            newItems = newCurrentApiStudent.semesters.mapToEntities(newCurrentApiStudent.studentId)
-        )
     }
 
     suspend fun deleteStudentsAssociatedWithAccount(student: Student) {
@@ -224,18 +175,4 @@ class StudentRepository @Inject constructor(
             appDatabase.clearAllTables()
         }
     }
-
-    private fun RegisterUser.logErrors() {
-        val symbolsErrors = symbols.filter { it.error != null }
-            .map { it.error }
-        val unitsErrors = symbols.flatMap { it.schools }
-            .filter { it.error != null }
-            .map { it.error }
-
-        (symbolsErrors + unitsErrors).forEach { error ->
-            Timber.e(error, "Error occurred while fetching students")
-        }
-    }
 }
-
-class NoAuthorizationException : Exception()

app/src/main/java/io/github/wulkanowy/data/repositories/SubjectRepository.kt

@@ -1,13 +1,15 @@
 package io.github.wulkanowy.data.repositories
 
-import io.github.wulkanowy.data.WulkanowySdkFactory
 import io.github.wulkanowy.data.db.dao.SubjectDao
 import io.github.wulkanowy.data.db.entities.Semester
 import io.github.wulkanowy.data.db.entities.Student
 import io.github.wulkanowy.data.mappers.mapToEntities
 import io.github.wulkanowy.data.networkBoundResource
+import io.github.wulkanowy.sdk.Sdk
 import io.github.wulkanowy.utils.AutoRefreshHelper
 import io.github.wulkanowy.utils.getRefreshKey
+import io.github.wulkanowy.utils.init
+import io.github.wulkanowy.utils.switchSemester
 import io.github.wulkanowy.utils.uniqueSubtract
 import kotlinx.coroutines.sync.Mutex
 import javax.inject.Inject
@@ -16,7 +18,7 @@ import javax.inject.Singleton
 @Singleton
 class SubjectRepository @Inject constructor(
     private val subjectDao: SubjectDao,
-    private val wulkanowySdkFactory: WulkanowySdkFactory,
+    private val sdk: Sdk,
     private val refreshHelper: AutoRefreshHelper,
 ) {
 
@@ -37,15 +39,15 @@ class SubjectRepository @Inject constructor(
         },
         query = { subjectDao.loadAll(semester.diaryId, semester.studentId) },
         fetch = {
-            wulkanowySdkFactory.create(student, semester)
+            sdk.init(student)
+                .switchSemester(semester)
                 .getSubjects()
                 .mapToEntities(semester)
         },
         saveFetchResult = { old, new ->
-            subjectDao.removeOldAndSaveNew(
-                oldItems = old uniqueSubtract new,
-                newItems = new uniqueSubtract old
-            )
+            subjectDao.deleteAll(old uniqueSubtract new)
+            subjectDao.insertAll(new uniqueSubtract old)
+
             refreshHelper.updateLastRefreshTimestamp(getRefreshKey(cacheKey, semester))
         }
     )

app/src/main/java/io/github/wulkanowy/data/repositories/TeacherRepository.kt

@@ -1,13 +1,15 @@
 package io.github.wulkanowy.data.repositories
 
-import io.github.wulkanowy.data.WulkanowySdkFactory
 import io.github.wulkanowy.data.db.dao.TeacherDao
 import io.github.wulkanowy.data.db.entities.Semester
 import io.github.wulkanowy.data.db.entities.Student
 import io.github.wulkanowy.data.mappers.mapToEntities
 import io.github.wulkanowy.data.networkBoundResource
+import io.github.wulkanowy.sdk.Sdk
 import io.github.wulkanowy.utils.AutoRefreshHelper
 import io.github.wulkanowy.utils.getRefreshKey
+import io.github.wulkanowy.utils.init
+import io.github.wulkanowy.utils.switchSemester
 import io.github.wulkanowy.utils.uniqueSubtract
 import kotlinx.coroutines.sync.Mutex
 import javax.inject.Inject
@@ -16,7 +18,7 @@ import javax.inject.Singleton
 @Singleton
 class TeacherRepository @Inject constructor(
     private val teacherDb: TeacherDao,
-    private val wulkanowySdkFactory: WulkanowySdkFactory,
+    private val sdk: Sdk,
     private val refreshHelper: AutoRefreshHelper,
 ) {
 
@@ -37,15 +39,15 @@ class TeacherRepository @Inject constructor(
         },
         query = { teacherDb.loadAll(semester.studentId, semester.classId) },
         fetch = {
-            wulkanowySdkFactory.create(student, semester)
+            sdk.init(student)
+                .switchSemester(semester)
                 .getTeachers()
                 .mapToEntities(semester)
         },
         saveFetchResult = { old, new ->
-            teacherDb.removeOldAndSaveNew(
-                oldItems = old uniqueSubtract new,
-                newItems = new uniqueSubtract old,
-            )
+            teacherDb.deleteAll(old uniqueSubtract new)
+            teacherDb.insertAll(new uniqueSubtract old)
+
             refreshHelper.updateLastRefreshTimestamp(getRefreshKey(cacheKey, semester))
         }
     )

app/src/main/java/io/github/wulkanowy/data/repositories/TimetableRepository.kt

@@ -1,6 +1,5 @@
 package io.github.wulkanowy.data.repositories
 
-import io.github.wulkanowy.data.WulkanowySdkFactory
 import io.github.wulkanowy.data.db.dao.TimetableAdditionalDao
 import io.github.wulkanowy.data.db.dao.TimetableDao
 import io.github.wulkanowy.data.db.dao.TimetableHeaderDao
@@ -12,13 +11,14 @@ import io.github.wulkanowy.data.db.entities.TimetableHeader
 import io.github.wulkanowy.data.mappers.mapToEntities
 import io.github.wulkanowy.data.networkBoundResource
 import io.github.wulkanowy.data.pojos.TimetableFull
+import io.github.wulkanowy.sdk.Sdk
 import io.github.wulkanowy.services.alarm.TimetableNotificationSchedulerHelper
-import io.github.wulkanowy.ui.modules.timetablewidget.TimetableWidgetProvider
-import io.github.wulkanowy.utils.AppWidgetUpdater
 import io.github.wulkanowy.utils.AutoRefreshHelper
 import io.github.wulkanowy.utils.getRefreshKey
+import io.github.wulkanowy.utils.init
 import io.github.wulkanowy.utils.monday
 import io.github.wulkanowy.utils.sunday
+import io.github.wulkanowy.utils.switchSemester
 import io.github.wulkanowy.utils.uniqueSubtract
 import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.combine
@@ -28,16 +28,14 @@ import java.time.LocalDate
 import javax.inject.Inject
 import javax.inject.Singleton
 
-
 @Singleton
 class TimetableRepository @Inject constructor(
     private val timetableDb: TimetableDao,
     private val timetableAdditionalDb: TimetableAdditionalDao,
     private val timetableHeaderDb: TimetableHeaderDao,
-    private val wulkanowySdkFactory: WulkanowySdkFactory,
+    private val sdk: Sdk,
     private val schedulerHelper: TimetableNotificationSchedulerHelper,
     private val refreshHelper: AutoRefreshHelper,
-    private val appWidgetUpdater: AppWidgetUpdater,
 ) {
 
     private val saveFetchResultMutex = Mutex()
@@ -56,8 +54,7 @@ class TimetableRepository @Inject constructor(
         forceRefresh: Boolean,
         refreshAdditional: Boolean = false,
         notify: Boolean = false,
-        timetableType: TimetableType = TimetableType.NORMAL,
-        isFromAppWidget: Boolean = false
+        timetableType: TimetableType = TimetableType.NORMAL
     ) = networkBoundResource(
         mutex = saveFetchResultMutex,
         isResultEmpty = {
@@ -77,7 +74,8 @@ class TimetableRepository @Inject constructor(
         },
         query = { getFullTimetableFromDatabase(student, semester, start, end) },
         fetch = {
-            val timetableFull = wulkanowySdkFactory.create(student, semester)
+            val timetableFull = sdk.init(student)
+                .switchSemester(semester)
                 .getTimetable(start.monday, end.sunday)
 
             timetableFull.mapToEntities(semester)
@@ -88,9 +86,6 @@ class TimetableRepository @Inject constructor(
             refreshDayHeaders(timetableOld.headers, timetableNew.headers)
 
             refreshHelper.updateLastRefreshTimestamp(getRefreshKey(cacheKey, semester, start, end))
-            if (!isFromAppWidget) {
-                appWidgetUpdater.updateAllAppWidgetsByProvider(TimetableWidgetProvider::class)
-            }
         },
         filterResult = { (timetable, additional, headers) ->
             TimetableFull(
@@ -159,10 +154,8 @@ class TimetableRepository @Inject constructor(
             new.apply { if (notify) isNotified = false }
         }
 
-        timetableDb.removeOldAndSaveNew(
-            oldItems = lessonsToRemove,
-            newItems = lessonsToAdd,
-        )
+        timetableDb.deleteAll(lessonsToRemove)
+        timetableDb.insertAll(lessonsToAdd)
 
         schedulerHelper.cancelScheduled(lessonsToRemove, student)
         schedulerHelper.scheduleNotifications(lessonsToAdd, student)
@@ -173,17 +166,13 @@ class TimetableRepository @Inject constructor(
         new: List<TimetableAdditional>
     ) {
         val oldFiltered = old.filter { !it.isAddedByUser }
-        timetableAdditionalDb.removeOldAndSaveNew(
-            oldItems = oldFiltered uniqueSubtract new,
-            newItems = new uniqueSubtract old,
-        )
+        timetableAdditionalDb.deleteAll(oldFiltered uniqueSubtract new)
+        timetableAdditionalDb.insertAll(new uniqueSubtract old)
     }
 
     private suspend fun refreshDayHeaders(old: List<TimetableHeader>, new: List<TimetableHeader>) {
-        timetableHeaderDb.removeOldAndSaveNew(
-            oldItems = old uniqueSubtract new,
-            newItems = new uniqueSubtract old,
-        )
+        timetableHeaderDb.deleteAll(old uniqueSubtract new)
+        timetableHeaderDb.insertAll(new uniqueSubtract old)
     }
 
     fun getLastRefreshTimestamp(semester: Semester, start: LocalDate, end: LocalDate): Instant {

app/src/main/java/io/github/wulkanowy/data/repositories/WulkanowyRepository.kt

@@ -1,54 +0,0 @@
-package io.github.wulkanowy.data.repositories
-
-import io.github.wulkanowy.data.Resource
-import io.github.wulkanowy.data.api.models.Mapping
-import io.github.wulkanowy.data.api.services.WulkanowyService
-import io.github.wulkanowy.data.db.dao.AdminMessageDao
-import io.github.wulkanowy.data.db.entities.AdminMessage
-import io.github.wulkanowy.data.networkBoundResource
-import kotlinx.coroutines.flow.Flow
-import kotlinx.coroutines.flow.filterNot
-import kotlinx.coroutines.sync.Mutex
-import timber.log.Timber
-import javax.inject.Inject
-import javax.inject.Singleton
-
-@Singleton
-class WulkanowyRepository @Inject constructor(
-    private val wulkanowyService: WulkanowyService,
-    private val adminMessageDao: AdminMessageDao,
-    private val preferencesRepository: PreferencesRepository,
-) {
-
-    private val saveFetchResultMutex = Mutex()
-
-    fun getAdminMessages(): Flow<Resource<List<AdminMessage>>> =
-        networkBoundResource(
-            mutex = saveFetchResultMutex,
-            isResultEmpty = { false },
-            query = { adminMessageDao.loadAll() },
-            fetch = { wulkanowyService.getAdminMessages() },
-            shouldFetch = { true },
-            saveFetchResult = { oldItems, newItems ->
-                adminMessageDao.removeOldAndSaveNew(oldItems, newItems)
-            },
-        )
-            .filterNot { it is Resource.Intermediate }
-
-    suspend fun getMapping(): Mapping? {
-        var savedMapping = preferencesRepository.mapping
-
-        if (savedMapping == null) {
-            fetchMapping()
-            savedMapping = preferencesRepository.mapping
-        }
-
-        return savedMapping
-    }
-
-    suspend fun fetchMapping() {
-        runCatching { wulkanowyService.getMapping() }
-            .onFailure { Timber.e(it) }
-            .onSuccess { preferencesRepository.mapping = it }
-    }
-}

app/src/main/java/io/github/wulkanowy/data/serializers/SafeMessageTypeEnumListSerializer.kt

@@ -1,27 +0,0 @@
-package io.github.wulkanowy.data.serializers
-
-import io.github.wulkanowy.data.enums.MessageType
-import kotlinx.serialization.ExperimentalSerializationApi
-import kotlinx.serialization.KSerializer
-import kotlinx.serialization.builtins.ListSerializer
-import kotlinx.serialization.builtins.serializer
-import kotlinx.serialization.encoding.Decoder
-import kotlinx.serialization.encoding.Encoder
-
-@OptIn(ExperimentalSerializationApi::class)
-object SafeMessageTypeEnumListSerializer : KSerializer<List<MessageType>> {
-
-    private val serializer = ListSerializer(String.serializer())
-
-    override val descriptor = serializer.descriptor
-
-    override fun serialize(encoder: Encoder, value: List<MessageType>) {
-        encoder.encodeNotNullMark()
-        serializer.serialize(encoder, value.map { it.name })
-    }
-
-    override fun deserialize(decoder: Decoder): List<MessageType> =
-        serializer.deserialize(decoder).mapNotNull { enumName ->
-            MessageType.entries.find { it.name == enumName }
-        }
-}

app/src/main/java/io/github/wulkanowy/domain/adminmessage/GetAppropriateAdminMessageUseCase.kt

@@ -5,14 +5,14 @@ import io.github.wulkanowy.data.db.entities.AdminMessage
 import io.github.wulkanowy.data.db.entities.Student
 import io.github.wulkanowy.data.enums.MessageType
 import io.github.wulkanowy.data.mapResourceData
+import io.github.wulkanowy.data.repositories.AdminMessageRepository
 import io.github.wulkanowy.data.repositories.PreferencesRepository
-import io.github.wulkanowy.data.repositories.WulkanowyRepository
 import io.github.wulkanowy.utils.AppInfo
 import kotlinx.coroutines.flow.Flow
 import javax.inject.Inject
 
 class GetAppropriateAdminMessageUseCase @Inject constructor(
-    private val wulkanowyRepository: WulkanowyRepository,
+    private val adminMessageRepository: AdminMessageRepository,
     private val preferencesRepository: PreferencesRepository,
     private val appInfo: AppInfo
 ) {
@@ -22,7 +22,7 @@ class GetAppropriateAdminMessageUseCase @Inject constructor(
     }
 
     operator fun invoke(scrapperBaseUrl: String, type: MessageType): Flow<Resource<AdminMessage?>> {
-        return wulkanowyRepository.getAdminMessages().mapResourceData { adminMessages ->
+        return adminMessageRepository.getAdminMessages().mapResourceData { adminMessages ->
             adminMessages
                 .asSequence()
                 .filter { it.isNotDismissed() }

app/src/main/java/io/github/wulkanowy/domain/attendance/GetAttendanceCalculatorDataUseCase.kt

@@ -1,106 +0,0 @@
-package io.github.wulkanowy.domain.attendance
-
-import io.github.wulkanowy.data.*
-import io.github.wulkanowy.data.db.entities.AttendanceSummary
-import io.github.wulkanowy.data.db.entities.Semester
-import io.github.wulkanowy.data.db.entities.Student
-import io.github.wulkanowy.data.db.entities.Subject
-import io.github.wulkanowy.data.enums.AttendanceCalculatorSortingMode
-import io.github.wulkanowy.data.enums.AttendanceCalculatorSortingMode.*
-import io.github.wulkanowy.data.pojos.AttendanceData
-import io.github.wulkanowy.data.repositories.AttendanceSummaryRepository
-import io.github.wulkanowy.data.repositories.PreferencesRepository
-import io.github.wulkanowy.data.repositories.SubjectRepository
-import io.github.wulkanowy.utils.allAbsences
-import io.github.wulkanowy.utils.allPresences
-import kotlinx.coroutines.flow.Flow
-import javax.inject.Inject
-import kotlin.math.ceil
-import kotlin.math.floor
-
-class GetAttendanceCalculatorDataUseCase @Inject constructor(
-    private val subjectRepository: SubjectRepository,
-    private val attendanceSummaryRepository: AttendanceSummaryRepository,
-    private val preferencesRepository: PreferencesRepository,
-) {
-
-    operator fun invoke(
-        student: Student,
-        semester: Semester,
-        forceRefresh: Boolean,
-    ): Flow<Resource<List<AttendanceData>>> =
-        subjectRepository.getSubjects(student, semester, forceRefresh)
-            .mapResourceData { subjects -> subjects.sortedBy(Subject::name) }
-            .combineWithResourceData(preferencesRepository.targetAttendanceFlow, ::Pair)
-            .flatMapResourceData { (subjects, targetFreq) ->
-                combineResourceFlows(subjects.map { subject ->
-                    attendanceSummaryRepository.getAttendanceSummary(
-                        student = student,
-                        semester = semester,
-                        subjectId = subject.realId,
-                        forceRefresh = forceRefresh
-                    ).mapResourceData { summaries ->
-                        summaries.toAttendanceData(subject.name, targetFreq)
-                    }
-                })
-                    // Every individual combined flow causes separate network requests to update data.
-                    // When there is N child flows, they can cause up to N-1 items to be emitted. Since all
-                    // requests are usually completed in less than 5s, there is no need to emit multiple
-                    // intermediates that will be visible for barely any time.
-                    .debounceIntermediates()
-            }
-            .combineWithResourceData(preferencesRepository.attendanceCalculatorShowEmptySubjects) { attendanceDataList, showEmptySubjects ->
-                attendanceDataList.filter { it.total != 0 || showEmptySubjects }
-            }
-            .combineWithResourceData(preferencesRepository.attendanceCalculatorSortingModeFlow, List<AttendanceData>::sortedBy)
-}
-
-private fun List<AttendanceSummary>.toAttendanceData(subjectName: String, targetFreq: Int): AttendanceData {
-    val presences = sumOf { it.allPresences }
-    val absences = sumOf { it.allAbsences }
-    return AttendanceData(
-        subjectName = subjectName,
-        lessonBalance = calcLessonBalance(
-            targetFreq.toDouble() / 100, presences, absences
-        ),
-        presences = presences,
-        absences = absences,
-    )
-}
-
-private fun calcLessonBalance(targetFreq: Double, presences: Int, absences: Int): Int {
-    val total = presences + absences
-    // The `+ 1` is to avoid false positives in close cases. Eg.:
-    // target frequency 99%, 1 presence. Without the `+ 1` this would be reported shown as
-    // a positive balance of +1, however that is not actually true as skipping one class
-    // would make it so that the balance would actually be negative (-98). The `+ 1`
-    // fixes this and makes sure that in situations like these, it's not reporting incorrect
-    // balances
-    return when {
-        presences / (total + 1f) >= targetFreq -> calcMissingAbsences(
-            targetFreq, absences, presences
-        )
-        presences / (total + 0f) < targetFreq -> -calcMissingPresences(
-            targetFreq, absences, presences
-        )
-        else -> 0
-    }
-}
-
-private fun calcMissingPresences(targetFreq: Double, absences: Int, presences: Int) =
-    calcMinRequiredPresencesFor(targetFreq, absences) - presences
-
-private fun calcMinRequiredPresencesFor(targetFreq: Double, absences: Int) =
-    ceil((targetFreq / (1 - targetFreq)) * absences).toInt()
-
-private fun calcMissingAbsences(targetFreq: Double, absences: Int, presences: Int) =
-    calcMinRequiredAbsencesFor(targetFreq, presences) - absences
-
-private fun calcMinRequiredAbsencesFor(targetFreq: Double, presences: Int) =
-    floor((presences * (1 - targetFreq)) / targetFreq).toInt()
-
-private fun List<AttendanceData>.sortedBy(mode: AttendanceCalculatorSortingMode) = when (mode) {
-    ALPHABETIC -> sortedBy(AttendanceData::subjectName)
-    ATTENDANCE -> sortedByDescending(AttendanceData::presencePercentage)
-    LESSON_BALANCE -> sortedBy(AttendanceData::lessonBalance)
-}

app/src/main/java/io/github/wulkanowy/domain/messages/GetMailboxByStudentUseCase.kt

@@ -59,7 +59,7 @@ class GetMailboxByStudentUseCase @Inject constructor(
     private fun String.getUnauthorizedVersion(): String {
         return normalizeStudentName().split(" ")
             .joinToString(" ") {
-                it.firstOrNull()?.toString().orEmpty() + "*".repeat((it.length - 1).coerceAtLeast(0))
+                it.first() + "*".repeat(it.length - 1)
             }
     }
 }

app/src/main/java/io/github/wulkanowy/services/sync/SyncWorker.kt

@@ -17,7 +17,6 @@ import io.github.wulkanowy.data.repositories.SemesterRepository
 import io.github.wulkanowy.data.repositories.StudentRepository
 import io.github.wulkanowy.sdk.exception.FeatureNotAvailableException
 import io.github.wulkanowy.sdk.scrapper.exception.FeatureDisabledException
-import io.github.wulkanowy.sdk.scrapper.exception.FeatureUnavailableException
 import io.github.wulkanowy.services.sync.channels.DebugChannel
 import io.github.wulkanowy.services.sync.works.Work
 import io.github.wulkanowy.utils.DispatchersProvider
@@ -49,7 +48,6 @@ class SyncWorker @AssistedInject constructor(
             val semester = semesterRepository.getCurrentSemester(student, true)
             student to semester
         } catch (e: Throwable) {
-            Timber.e(e)
             return@withContext getResultFromErrors(listOf(e))
         }
 
@@ -61,7 +59,7 @@ class SyncWorker @AssistedInject constructor(
                 null
             } catch (e: Throwable) {
                 Timber.w("${work::class.java.simpleName} result: An exception ${e.message} occurred")
-                if (e is FeatureDisabledException || e is FeatureNotAvailableException || e is FeatureUnavailableException) {
+                if (e is FeatureDisabledException || e is FeatureNotAvailableException) {
                     null
                 } else {
                     Timber.e(e)

app/src/main/java/io/github/wulkanowy/ui/base/BaseActivity.kt

@@ -1,7 +1,6 @@
 package io.github.wulkanowy.ui.base
 
 import android.app.ActivityManager
-import android.os.Build
 import android.os.Bundle
 import android.view.View
 import android.widget.Toast
@@ -18,8 +17,6 @@ import io.github.wulkanowy.utils.FragmentLifecycleLogger
 import io.github.wulkanowy.utils.getThemeAttrColor
 import io.github.wulkanowy.utils.lifecycleAwareVariable
 import io.github.wulkanowy.utils.openInternetBrowser
-import timber.log.Timber
-import java.time.Instant
 import javax.inject.Inject
 
 abstract class BaseActivity<T : BasePresenter<out BaseView>, VB : ViewBinding> :
@@ -39,26 +36,16 @@ abstract class BaseActivity<T : BasePresenter<out BaseView>, VB : ViewBinding> :
 
     abstract var presenter: T
 
-    private var lastDialogOpenTime = mutableMapOf<String, Instant>()
-
     override fun onCreate(savedInstanceState: Bundle?) {
         inject()
         themeManager.applyActivityTheme(this)
         super.onCreate(savedInstanceState)
         supportFragmentManager.registerFragmentLifecycleCallbacks(fragmentLifecycleLogger, true)
-        applyCustomTaskDescription()
-    }
 
-    @Suppress("DEPRECATION")
-    private fun applyCustomTaskDescription() {
-        if (Build.VERSION.SDK_INT > Build.VERSION_CODES.R) return
-        try {
-            val newColor = getThemeAttrColor(R.attr.colorSurface)
-            val taskDescription = ActivityManager.TaskDescription(null, null, newColor)
-            setTaskDescription(taskDescription)
-        } catch (e: Exception) {
-            Timber.e(e)
-        }
+        @Suppress("DEPRECATION")
+        setTaskDescription(
+            ActivityManager.TaskDescription(null, null, getThemeAttrColor(R.attr.colorSurface))
+        )
     }
 
     override fun showError(text: String, error: Throwable) {
@@ -83,8 +70,6 @@ abstract class BaseActivity<T : BasePresenter<out BaseView>, VB : ViewBinding> :
     }
 
     override fun showExpiredCredentialsDialog() {
-        if (!shouldShowDialog(DIALOG_ERROR_BAD_CREDENTIALS)) return
-
         MaterialAlertDialogBuilder(this)
             .setTitle(R.string.main_expired_credentials_title)
             .setMessage(R.string.main_expired_credentials_description)
@@ -98,8 +83,6 @@ abstract class BaseActivity<T : BasePresenter<out BaseView>, VB : ViewBinding> :
     }
 
     override fun showDecryptionFailedDialog() {
-        if (!shouldShowDialog(DIALOG_ERROR_DECRYPTION_FAILED)) return
-
         MaterialAlertDialogBuilder(this)
             .setTitle(R.string.main_session_expired)
             .setMessage(R.string.main_session_relogin)
@@ -136,21 +119,4 @@ abstract class BaseActivity<T : BasePresenter<out BaseView>, VB : ViewBinding> :
     protected open fun inject() {
         throw UnsupportedOperationException()
     }
-
-    private fun shouldShowDialog(name: String): Boolean {
-        val lastOpenTime = lastDialogOpenTime[name]
-        val now = Instant.now()
-
-        if (lastOpenTime != null && now.isBefore(lastOpenTime.plusSeconds(1))) {
-            Timber.i("Dialog $name was shown less than a second ago. Skip")
-            return false
-        }
-        lastDialogOpenTime[name] = Instant.now()
-        return true
-    }
-
-    companion object {
-        private const val DIALOG_ERROR_BAD_CREDENTIALS = "dialog_error_bad_credentials"
-        private const val DIALOG_ERROR_DECRYPTION_FAILED = "dialog_error_decryption_failed"
-    }
 }

app/src/main/java/io/github/wulkanowy/ui/base/ErrorHandler.kt

@@ -3,7 +3,7 @@ package io.github.wulkanowy.ui.base
 import android.content.Context
 import dagger.hilt.android.qualifiers.ApplicationContext
 import io.github.wulkanowy.data.exceptions.NoCurrentStudentException
-import io.github.wulkanowy.data.repositories.NoAuthorizationException
+import io.github.wulkanowy.sdk.scrapper.exception.AuthorizationRequiredException
 import io.github.wulkanowy.sdk.scrapper.exception.CloudflareVerificationException
 import io.github.wulkanowy.sdk.scrapper.login.BadCredentialsException
 import io.github.wulkanowy.sdk.scrapper.login.PasswordChangeRequiredException
@@ -40,7 +40,7 @@ open class ErrorHandler @Inject constructor(@ApplicationContext protected val co
             is ScramblerException -> onDecryptionFailed()
             is BadCredentialsException -> onExpiredCredentials()
             is NoCurrentStudentException -> onNoCurrentStudent()
-            is NoAuthorizationException -> onAuthorizationRequired()
+            is AuthorizationRequiredException -> onAuthorizationRequired()
             is CloudflareVerificationException -> onCaptchaVerificationRequired(error.originalUrl)
         }
     }

app/src/main/java/io/github/wulkanowy/ui/modules/attendance/AttendanceAdapter.kt

@@ -1,6 +1,5 @@
 package io.github.wulkanowy.ui.modules.attendance
 
-import android.content.res.ColorStateList
 import android.graphics.Typeface
 import android.view.LayoutInflater
 import android.view.View
@@ -34,17 +33,17 @@ class AttendanceAdapter @Inject constructor() :
     )
 
     override fun onBindViewHolder(holder: ItemViewHolder, position: Int) {
-        val context = holder.binding.root.context
         val item = items[position]
 
         with(holder.binding) {
             attendanceItemNumber.text = item.number.toString()
-            attendanceItemSubject.text = item.subject
-                .ifBlank { context.getString(R.string.all_no_data) }
+            attendanceItemSubject.text = item.subject.ifBlank {
+                root.context.getString(R.string.all_no_data)
+            }
             attendanceItemDescription.setText(item.descriptionRes)
 
             attendanceItemDescription.setTextColor(
-                context.getThemeAttrColor(
+                root.context.getThemeAttrColor(
                     when {
                         item.absence && !item.excused -> R.attr.colorAttendanceAbsence
                         item.lateness && !item.excused -> R.attr.colorAttendanceLateness
@@ -62,15 +61,13 @@ class AttendanceAdapter @Inject constructor() :
             attendanceItemAlert.isVisible =
                 item.let { (it.absence && !it.excused) || (it.lateness && !it.excused) }
 
-            attendanceItemAlert.imageTintList = ColorStateList.valueOf(
-                context.getThemeAttrColor(
-                    when {
-                        item.absence && !item.excused -> R.attr.colorAttendanceAbsence
-                        item.lateness && !item.excused -> R.attr.colorAttendanceLateness
-                        else -> android.R.attr.colorPrimary
-                    }
-                )
-            )
+            attendanceItemAlert.setColorFilter(root.context.getThemeAttrColor(
+                when{
+                    item.absence && !item.excused -> R.attr.colorAttendanceAbsence
+                    item.lateness && !item.excused -> R.attr.colorAttendanceLateness
+                    else -> android.R.attr.colorPrimary
+                }
+            ))
             attendanceItemNumber.visibility = View.GONE
             attendanceItemExcuseInfo.visibility = View.GONE
             attendanceItemExcuseCheckbox.visibility = View.GONE

app/src/main/java/io/github/wulkanowy/ui/modules/attendance/AttendanceFragment.kt

@@ -2,8 +2,14 @@ package io.github.wulkanowy.ui.modules.attendance
 
 import android.content.DialogInterface.BUTTON_POSITIVE
 import android.os.Bundle
-import android.view.*
-import android.view.View.*
+import android.view.LayoutInflater
+import android.view.Menu
+import android.view.MenuInflater
+import android.view.MenuItem
+import android.view.View
+import android.view.View.GONE
+import android.view.View.INVISIBLE
+import android.view.View.VISIBLE
 import androidx.appcompat.view.ActionMode
 import androidx.core.view.isVisible
 import androidx.recyclerview.widget.LinearLayoutManager
@@ -14,7 +20,6 @@ import io.github.wulkanowy.data.db.entities.Attendance
 import io.github.wulkanowy.databinding.DialogExcuseBinding
 import io.github.wulkanowy.databinding.FragmentAttendanceBinding
 import io.github.wulkanowy.ui.base.BaseFragment
-import io.github.wulkanowy.ui.modules.attendance.calculator.AttendanceCalculatorFragment
 import io.github.wulkanowy.ui.modules.attendance.summary.AttendanceSummaryFragment
 import io.github.wulkanowy.ui.modules.main.MainActivity
 import io.github.wulkanowy.ui.modules.main.MainView
@@ -64,6 +69,8 @@ class AttendanceFragment : BaseFragment<FragmentAttendanceBinding>(R.layout.frag
         override fun onCreateActionMode(mode: ActionMode, menu: Menu): Boolean {
             val inflater = mode.menuInflater
             inflater.inflate(R.menu.context_menu_attendance, menu)
+            menu.findItem(R.id.excuseMenuDaySubmit).setVisible(presenter.isWholeDayExcusable)
+
             return true
         }
 
@@ -79,6 +86,7 @@ class AttendanceFragment : BaseFragment<FragmentAttendanceBinding>(R.layout.frag
 
         override fun onActionItemClicked(mode: ActionMode, menu: MenuItem): Boolean {
             return when (menu.itemId) {
+                R.id.excuseMenuDaySubmit -> presenter.onExcuseDayButtonClick()
                 R.id.excuseMenuSubmit -> presenter.onExcuseSubmitButtonClick()
                 else -> false
             }
@@ -135,7 +143,6 @@ class AttendanceFragment : BaseFragment<FragmentAttendanceBinding>(R.layout.frag
 
     override fun onOptionsItemSelected(item: MenuItem): Boolean {
         return if (item.itemId == R.id.attendanceMenuSummary) presenter.onSummarySwitchSelected()
-        else if (item.itemId == R.id.attendanceMenuCalculator) presenter.onCalculatorSwitchSelected()
         else false
     }
 
@@ -255,19 +262,22 @@ class AttendanceFragment : BaseFragment<FragmentAttendanceBinding>(R.layout.frag
         (activity as? MainActivity)?.pushView(AttendanceSummaryFragment.newInstance())
     }
 
-    override fun openCalculatorView() {
-        (activity as? MainActivity)?.pushView(AttendanceCalculatorFragment.newInstance())
-    }
-
     override fun startActionMode() {
         actionMode = (activity as MainActivity?)?.startSupportActionMode(actionModeCallback)
     }
 
-    override fun startSendMessageIntent(date: LocalDate, numbers: String, reason: String) {
-        val reasonFullText = getString(
-            R.string.attendance_excuse_formula,
+    override fun startSendMessageIntent(date: LocalDate, lessons: String, reason: String) {
+        val reasonFullText = if (lessons.isEmpty()) {
+            getString(
+                R.string.attendance_excuse_day_formula,
+                date,
+                if (reason.isNotBlank()) " ${getString(R.string.attendance_excuse_reason)} " else "",
+                reason.ifBlank { "" }
+            )
+        } else getString(
+            R.string.attendance_excuse_lessons_formula,
             date,
-            numbers,
+            lessons,
             if (reason.isNotBlank()) " ${getString(R.string.attendance_excuse_reason)} " else "",
             reason.ifBlank { "" }
         )

app/src/main/java/io/github/wulkanowy/ui/modules/attendance/AttendancePresenter.kt

@@ -1,36 +1,16 @@
 package io.github.wulkanowy.ui.modules.attendance
 
 import android.annotation.SuppressLint
-import io.github.wulkanowy.data.Resource
+import io.github.wulkanowy.data.*
 import io.github.wulkanowy.data.db.entities.Attendance
 import io.github.wulkanowy.data.db.entities.Semester
-import io.github.wulkanowy.data.flatResourceFlow
-import io.github.wulkanowy.data.logResourceStatus
-import io.github.wulkanowy.data.mapResourceData
-import io.github.wulkanowy.data.onResourceData
-import io.github.wulkanowy.data.onResourceError
-import io.github.wulkanowy.data.onResourceIntermediate
-import io.github.wulkanowy.data.onResourceLoading
-import io.github.wulkanowy.data.onResourceNotLoading
-import io.github.wulkanowy.data.onResourceSuccess
 import io.github.wulkanowy.data.repositories.AttendanceRepository
 import io.github.wulkanowy.data.repositories.PreferencesRepository
 import io.github.wulkanowy.data.repositories.SemesterRepository
 import io.github.wulkanowy.data.repositories.StudentRepository
-import io.github.wulkanowy.data.resourceFlow
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.base.ErrorHandler
-import io.github.wulkanowy.utils.AnalyticsHelper
-import io.github.wulkanowy.utils.capitalise
-import io.github.wulkanowy.utils.getLastSchoolDayIfHoliday
-import io.github.wulkanowy.utils.isExcusableOrNotExcused
-import io.github.wulkanowy.utils.isHolidays
-import io.github.wulkanowy.utils.monday
-import io.github.wulkanowy.utils.nextSchoolDay
-import io.github.wulkanowy.utils.previousOrSameSchoolDay
-import io.github.wulkanowy.utils.previousSchoolDay
-import io.github.wulkanowy.utils.sunday
-import io.github.wulkanowy.utils.toFormattedString
+import io.github.wulkanowy.utils.*
 import kotlinx.coroutines.flow.firstOrNull
 import kotlinx.coroutines.flow.onEach
 import timber.log.Timber
@@ -58,6 +38,7 @@ class AttendancePresenter @Inject constructor(
     private lateinit var lastError: Throwable
 
     private val attendanceToExcuseList = mutableListOf<Attendance>()
+    var isWholeDayExcusable = false
 
     private var isVulcanExcusedFunctionEnabled = false
 
@@ -151,6 +132,12 @@ class AttendancePresenter @Inject constructor(
         view?.startActionMode()
     }
 
+    fun onExcuseDayButtonClick(): Boolean {
+        view?.showExcuseDialog()
+
+        return true
+    }
+
     fun onExcuseCheckboxSelect(attendanceItem: Attendance, checked: Boolean) {
         if (checked) attendanceToExcuseList.add(attendanceItem)
         else attendanceToExcuseList.remove(attendanceItem)
@@ -172,7 +159,7 @@ class AttendancePresenter @Inject constructor(
     fun onExcuseDialogSubmit(reason: String) {
         view?.finishActionMode()
 
-        if (attendanceToExcuseList.isEmpty()) return
+        if (attendanceToExcuseList.isEmpty() && !isWholeDayExcusable) return
 
         if (isVulcanExcusedFunctionEnabled) {
             excuseAbsence(
@@ -183,8 +170,8 @@ class AttendancePresenter @Inject constructor(
             val attendanceToExcuseNumbers = attendanceToExcuseList.map { it.number }
 
             view?.startSendMessageIntent(
-                date = attendanceToExcuseList[0].date,
-                numbers = attendanceToExcuseNumbers.joinToString(", "),
+                date = currentDate ?: attendanceToExcuseList[0].date,
+                lessons = attendanceToExcuseNumbers.joinToString(", "),
                 reason = reason
             )
         }
@@ -215,11 +202,6 @@ class AttendancePresenter @Inject constructor(
         return true
     }
 
-    fun onCalculatorSwitchSelected(): Boolean {
-        view?.openCalculatorView()
-        return true
-    }
-
     private fun loadData(forceRefresh: Boolean = false) {
         Timber.i("Loading attendance data started")
 
@@ -242,7 +224,9 @@ class AttendancePresenter @Inject constructor(
         }
             .logResourceStatus("load attendance")
             .onResourceLoading {
-                view?.showExcuseButton(false)
+                view?.apply {
+                    showExcuseButton(false)
+                }
             }
             .mapResourceData {
                 if (prefRepository.isShowPresent) {
@@ -265,15 +249,16 @@ class AttendancePresenter @Inject constructor(
                 }
             }
             .onResourceIntermediate { view?.showRefresh(true) }
-            .onResourceSuccess {
-                isVulcanExcusedFunctionEnabled = it.any { item -> item.excusable }
-                val anyExcusables = it.any { it.isExcusableOrNotExcused }
+            .onResourceSuccess { items ->
+                isVulcanExcusedFunctionEnabled = items.any { item -> item.excusable }
+                isWholeDayExcusable = items.all { it.isAbsenceExcusable }
+                val anyExcusables = items.any { it.isExcusableOrNotExcused }
                 view?.showExcuseButton(anyExcusables && (isParent || isVulcanExcusedFunctionEnabled))
 
                 analytics.logEvent(
                     "load_data",
                     "type" to "attendance",
-                    "items" to it.size
+                    "items" to items.size
                 )
             }
             .onResourceNotLoading {
@@ -326,7 +311,19 @@ class AttendancePresenter @Inject constructor(
         resourceFlow {
             val student = studentRepository.getCurrentStudent()
             val semester = semesterRepository.getCurrentSemester(student)
-            attendanceRepository.excuseForAbsence(student, semester, toExcuseList, reason)
+            if (toExcuseList.isEmpty()) {
+                attendanceRepository.excuseForAbsence(
+                    student = student,
+                    semester = semester,
+                    days = listOfNotNull(currentDate),
+                    reason = reason
+                )
+            } else attendanceRepository.excuseForAbsence(
+                student = student,
+                semester = semester,
+                absenceList = toExcuseList,
+                reason = reason
+            )
         }.onEach {
             when (it) {
                 is Resource.Loading -> view?.run {

app/src/main/java/io/github/wulkanowy/ui/modules/attendance/AttendanceView.kt

@@ -56,9 +56,7 @@ interface AttendanceView : BaseView {
 
     fun openSummaryView()
 
-    fun openCalculatorView()
-
-    fun startSendMessageIntent(date: LocalDate, numbers: String, reason: String)
+    fun startSendMessageIntent(date: LocalDate, lessons: String, reason: String)
 
     fun startActionMode()
 

app/src/main/java/io/github/wulkanowy/ui/modules/attendance/calculator/AttendanceCalculatorAdapter.kt

@@ -1,67 +0,0 @@
-package io.github.wulkanowy.ui.modules.attendance.calculator
-
-import android.view.LayoutInflater
-import android.view.ViewGroup
-import androidx.core.view.isVisible
-import androidx.recyclerview.widget.RecyclerView
-import io.github.wulkanowy.R
-import io.github.wulkanowy.data.pojos.AttendanceData
-import io.github.wulkanowy.databinding.ItemAttendanceCalculatorHeaderBinding
-import javax.inject.Inject
-import kotlin.math.abs
-import kotlin.math.roundToInt
-
-class AttendanceCalculatorAdapter @Inject constructor() :
-    RecyclerView.Adapter<AttendanceCalculatorAdapter.ViewHolder>() {
-
-    var items = emptyList<AttendanceData>()
-
-    override fun getItemCount() = items.size
-
-    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int) = ViewHolder(
-        ItemAttendanceCalculatorHeaderBinding.inflate(
-            LayoutInflater.from(parent.context), parent, false
-        )
-    )
-
-    override fun onBindViewHolder(parent: ViewHolder, position: Int) {
-        val context = parent.binding.root.context
-        val item = items[position]
-
-        with(parent.binding) {
-            attendanceCalculatorPercentage.text = "${item.presencePercentage.roundToInt()}"
-
-            attendanceCalculatorSummaryBalance.text = when {
-                item.lessonBalance > 0 -> {
-                    context.getString(
-                        R.string.attendance_calculator_summary_balance_positive,
-                        item.lessonBalance
-                    )
-                }
-
-                item.lessonBalance < 0 -> {
-                    context.getString(
-                        R.string.attendance_calculator_summary_balance_negative,
-                        abs(item.lessonBalance)
-                    )
-                }
-
-                else -> context.getString(R.string.attendance_calculator_summary_balance_neutral)
-            }
-            attendanceCalculatorWarning.isVisible = item.lessonBalance < 0
-            attendanceCalculatorTitle.text = item.subjectName
-            attendanceCalculatorSummaryValues.text = if (item.total == 0) {
-                context.getString(R.string.attendance_calculator_summary_values_empty)
-            } else {
-                context.getString(
-                    R.string.attendance_calculator_summary_values,
-                    item.presences,
-                    item.total
-                )
-            }
-        }
-    }
-
-    class ViewHolder(val binding: ItemAttendanceCalculatorHeaderBinding) :
-        RecyclerView.ViewHolder(binding.root)
-}

app/src/main/java/io/github/wulkanowy/ui/modules/attendance/calculator/AttendanceCalculatorFragment.kt

@@ -1,133 +0,0 @@
-package io.github.wulkanowy.ui.modules.attendance.calculator
-
-import android.os.Bundle
-import android.view.Menu
-import android.view.MenuInflater
-import android.view.MenuItem
-import android.view.View
-import androidx.core.view.isVisible
-import androidx.recyclerview.widget.LinearLayoutManager
-import dagger.hilt.android.AndroidEntryPoint
-import io.github.wulkanowy.R
-import io.github.wulkanowy.data.pojos.AttendanceData
-import io.github.wulkanowy.databinding.FragmentAttendanceCalculatorBinding
-import io.github.wulkanowy.ui.base.BaseFragment
-import io.github.wulkanowy.ui.modules.main.MainActivity
-import io.github.wulkanowy.ui.modules.main.MainView
-import io.github.wulkanowy.ui.modules.settings.appearance.AppearanceFragment
-import io.github.wulkanowy.ui.widgets.DividerItemDecoration
-import io.github.wulkanowy.utils.getThemeAttrColor
-import javax.inject.Inject
-
-@AndroidEntryPoint
-class AttendanceCalculatorFragment :
-    BaseFragment<FragmentAttendanceCalculatorBinding>(R.layout.fragment_attendance_calculator),
-    AttendanceCalculatorView, MainView.TitledView {
-
-    @Inject
-    lateinit var presenter: AttendanceCalculatorPresenter
-
-    @Inject
-    lateinit var attendanceCalculatorAdapter: AttendanceCalculatorAdapter
-
-    override val titleStringId get() = R.string.attendance_title
-
-    companion object {
-        fun newInstance() = AttendanceCalculatorFragment()
-    }
-
-    override val isViewEmpty get() = attendanceCalculatorAdapter.items.isEmpty()
-
-    @Suppress("DEPRECATION")
-    override fun onCreate(savedInstanceState: Bundle?) {
-        super.onCreate(savedInstanceState)
-        setHasOptionsMenu(true)
-    }
-
-    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
-        super.onViewCreated(view, savedInstanceState)
-        binding = FragmentAttendanceCalculatorBinding.bind(view)
-        messageContainer = binding.attendanceCalculatorRecycler
-        presenter.onAttachView(this)
-    }
-
-    override fun onCreateOptionsMenu(menu: Menu, inflater: MenuInflater) {
-        inflater.inflate(R.menu.action_menu_attendance_calculator, menu)
-    }
-
-    override fun onOptionsItemSelected(item: MenuItem): Boolean {
-        return if (item.itemId == R.id.attendance_calculator_menu_settings) presenter.onSettingsSelected()
-        else false
-    }
-
-    override fun openSettingsView() {
-        (activity as? MainActivity)?.pushView(AppearanceFragment.withFocusedPreference(getString(R.string.pref_key_attendance_target)))
-    }
-
-    override fun initView() {
-        with(binding.attendanceCalculatorRecycler) {
-            layoutManager = LinearLayoutManager(context)
-            adapter = attendanceCalculatorAdapter
-            addItemDecoration(DividerItemDecoration(context))
-        }
-
-        with(binding) {
-            attendanceCalculatorSwipe.setOnRefreshListener(presenter::onSwipeRefresh)
-            attendanceCalculatorSwipe.setColorSchemeColors(requireContext().getThemeAttrColor(R.attr.colorPrimary))
-            attendanceCalculatorSwipe.setProgressBackgroundColorSchemeColor(
-                requireContext().getThemeAttrColor(
-                    R.attr.colorSwipeRefresh
-                )
-            )
-            attendanceCalculatorErrorRetry.setOnClickListener { presenter.onRetry() }
-            attendanceCalculatorErrorDetails.setOnClickListener { presenter.onDetailsClick() }
-        }
-    }
-
-    override fun updateData(data: List<AttendanceData>) {
-        with(attendanceCalculatorAdapter) {
-            items = data
-            notifyDataSetChanged()
-        }
-    }
-
-    override fun clearView() {
-        with(attendanceCalculatorAdapter) {
-            items = emptyList()
-            notifyDataSetChanged()
-        }
-    }
-
-    override fun showEmpty(show: Boolean) {
-        binding.attendanceCalculatorEmpty.isVisible = show
-    }
-
-    override fun showErrorView(show: Boolean) {
-        binding.attendanceCalculatorError.isVisible = show
-    }
-
-    override fun setErrorDetails(message: String) {
-        binding.attendanceCalculatorErrorMessage.text = message
-    }
-
-    override fun showProgress(show: Boolean) {
-        binding.attendanceCalculatorProgress.isVisible = show
-    }
-
-    override fun enableSwipe(enable: Boolean) {
-        binding.attendanceCalculatorSwipe.isEnabled = enable
-    }
-
-    override fun showContent(show: Boolean) {
-        binding.attendanceCalculatorRecycler.isVisible = show
-    }
-
-    override fun showRefresh(show: Boolean) {
-        binding.attendanceCalculatorSwipe.isRefreshing = show
-    }
-
-    override fun onDestroyView() {
-        presenter.onDetachView()
-        super.onDestroyView()
-    }
-}

app/src/main/java/io/github/wulkanowy/ui/modules/attendance/calculator/AttendanceCalculatorPresenter.kt

@@ -1,94 +0,0 @@
-package io.github.wulkanowy.ui.modules.attendance.calculator
-
-import io.github.wulkanowy.data.flatResourceFlow
-import io.github.wulkanowy.data.logResourceStatus
-import io.github.wulkanowy.data.onResourceData
-import io.github.wulkanowy.data.onResourceError
-import io.github.wulkanowy.data.onResourceIntermediate
-import io.github.wulkanowy.data.onResourceNotLoading
-import io.github.wulkanowy.data.repositories.SemesterRepository
-import io.github.wulkanowy.data.repositories.StudentRepository
-import io.github.wulkanowy.domain.attendance.GetAttendanceCalculatorDataUseCase
-import io.github.wulkanowy.ui.base.BasePresenter
-import io.github.wulkanowy.ui.base.ErrorHandler
-import timber.log.Timber
-import javax.inject.Inject
-
-class AttendanceCalculatorPresenter @Inject constructor(
-    errorHandler: ErrorHandler,
-    studentRepository: StudentRepository,
-    private val semesterRepository: SemesterRepository,
-    private val getAttendanceCalculatorData: GetAttendanceCalculatorDataUseCase,
-) : BasePresenter<AttendanceCalculatorView>(errorHandler, studentRepository) {
-
-    private lateinit var lastError: Throwable
-
-    override fun onAttachView(view: AttendanceCalculatorView) {
-        super.onAttachView(view)
-        view.initView()
-        Timber.i("Attendance calculator view was initialized")
-        errorHandler.showErrorMessage = ::showErrorViewOnError
-        loadData()
-    }
-
-    fun onSwipeRefresh() {
-        Timber.i("Force refreshing the attendance calculator")
-        loadData(forceRefresh = true)
-    }
-
-    fun onRetry() {
-        view?.run {
-            showErrorView(false)
-            showProgress(true)
-        }
-        loadData()
-    }
-
-    fun onDetailsClick() {
-        view?.showErrorDetailsDialog(lastError)
-    }
-
-    private fun loadData(forceRefresh: Boolean = false) {
-        flatResourceFlow {
-            val student = studentRepository.getCurrentStudent()
-            val semester = semesterRepository.getCurrentSemester(student)
-            getAttendanceCalculatorData(student, semester, forceRefresh)
-        }
-            .logResourceStatus("load attendance calculator")
-            .onResourceData {
-                view?.run {
-                    showProgress(false)
-                    showErrorView(false)
-                    showContent(it.isNotEmpty())
-                    showEmpty(it.isEmpty())
-                    updateData(it)
-                }
-            }
-            .onResourceIntermediate { view?.showRefresh(true) }
-            .onResourceNotLoading {
-                view?.run {
-                    enableSwipe(true)
-                    showRefresh(false)
-                    showProgress(false)
-                }
-            }
-            .onResourceError(errorHandler::dispatch)
-            .launch()
-    }
-
-    private fun showErrorViewOnError(message: String, error: Throwable) {
-        view?.run {
-            if (isViewEmpty) {
-                lastError = error
-                setErrorDetails(message)
-                showErrorView(true)
-                showEmpty(false)
-            } else showError(message, error)
-        }
-    }
-
-    fun onSettingsSelected(): Boolean {
-        view?.openSettingsView()
-        return true
-    }
-}

app/src/main/java/io/github/wulkanowy/ui/modules/attendance/calculator/AttendanceCalculatorView.kt

@@ -1,31 +0,0 @@
-package io.github.wulkanowy.ui.modules.attendance.calculator
-
-import io.github.wulkanowy.data.pojos.AttendanceData
-import io.github.wulkanowy.ui.base.BaseView
-
-interface AttendanceCalculatorView : BaseView {
-
-    val isViewEmpty: Boolean
-
-    fun initView()
-
-    fun showRefresh(show: Boolean)
-
-    fun showContent(show: Boolean)
-
-    fun showProgress(show: Boolean)
-
-    fun enableSwipe(enable: Boolean)
-
-    fun showEmpty(show: Boolean)
-
-    fun showErrorView(show: Boolean)
-
-    fun setErrorDetails(message: String)
-
-    fun updateData(data: List<AttendanceData>)
-
-    fun clearView()
-
-    fun openSettingsView()
-}

app/src/main/java/io/github/wulkanowy/ui/modules/auth/AuthDialog.kt

@@ -78,9 +78,4 @@ class AuthDialog : BaseDialogFragment<DialogAuthBinding>(), AuthView {
     override fun showDescriptionWithName(name: String) {
         binding.authDescription.text = getString(R.string.auth_description, name).parseAsHtml()
     }
-
-    override fun onDestroyView() {
-        presenter.onDetachView()
-        super.onDestroyView()
-    }
 }

app/src/main/java/io/github/wulkanowy/ui/modules/auth/AuthPresenter.kt

@@ -5,7 +5,6 @@ import io.github.wulkanowy.data.repositories.StudentRepository
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.base.ErrorHandler
 import kotlinx.coroutines.launch
-import timber.log.Timber
 import javax.inject.Inject
 
 class AuthPresenter @Inject constructor(
@@ -27,12 +26,8 @@ class AuthPresenter @Inject constructor(
 
     private fun loadName() {
         presenterScope.launch {
-            runCatching {
-                studentRepository.getCurrentStudent(false)
-                    .studentName
-                    .replace(" ", "\u00A0")
-            }
-                .onSuccess { view?.showDescriptionWithName(it) }
+            runCatching { studentRepository.getCurrentStudent(false) }
+                .onSuccess { view?.showDescriptionWithName(it.studentName) }
                 .onFailure { errorHandler.dispatch(it) }
         }
     }
@@ -62,9 +57,8 @@ class AuthPresenter @Inject constructor(
                 val semester = semesterRepository.getCurrentSemester(student)
 
                 val isSuccess = studentRepository.authorizePermission(student, semester, pesel)
-                Timber.d("Auth succeed: $isSuccess")
                 if (isSuccess) {
-                    studentRepository.refreshStudentAfterAuthorize(student, semester)
+                    studentRepository.refreshStudentName(student, semester)
                 }
                 isSuccess
             }
@@ -74,7 +68,6 @@ class AuthPresenter @Inject constructor(
                     view?.showContent(true)
                 }
                 .onSuccess {
-                    Timber.d("Auth fully succeed: $it")
                     if (it) {
                         view?.showSuccess(true)
                         view?.showContent(false)

app/src/main/java/io/github/wulkanowy/ui/modules/captcha/CaptchaDialog.kt

@@ -10,10 +10,9 @@ import android.webkit.WebViewClient
 import androidx.core.os.bundleOf
 import dagger.hilt.android.AndroidEntryPoint
 import io.github.wulkanowy.R
-import io.github.wulkanowy.data.WulkanowySdkFactory
 import io.github.wulkanowy.databinding.DialogCaptchaBinding
+import io.github.wulkanowy.sdk.Sdk
 import io.github.wulkanowy.ui.base.BaseDialogFragment
-import io.github.wulkanowy.utils.WebkitCookieManagerProxy
 import timber.log.Timber
 import javax.inject.Inject
 
@@ -21,10 +20,7 @@ import javax.inject.Inject
 class CaptchaDialog : BaseDialogFragment<DialogCaptchaBinding>() {
 
     @Inject
-    lateinit var wulkanowySdkFactory: WulkanowySdkFactory
-
-    @Inject
-    lateinit var webkitCookieManagerProxy: WebkitCookieManagerProxy
+    lateinit var sdk: Sdk
 
     private var webView: WebView? = null
 
@@ -59,7 +55,7 @@ class CaptchaDialog : BaseDialogFragment<DialogCaptchaBinding>() {
             webView = this
             with(settings) {
                 javaScriptEnabled = true
-                userAgentString = wulkanowySdkFactory.createBase().userAgent
+                userAgentString = sdk.userAgent
             }
 
             webViewClient = object : WebViewClient() {
@@ -84,7 +80,6 @@ class CaptchaDialog : BaseDialogFragment<DialogCaptchaBinding>() {
     }
 
     override fun onDestroy() {
-        webkitCookieManagerProxy.webkitCookieManager?.flush()
         webView?.destroy()
         super.onDestroy()
     }

app/src/main/java/io/github/wulkanowy/ui/modules/debug/notification/mock/gradeSummary.kt

@@ -26,7 +26,5 @@ private fun generateSummary(subject: String, predicted: String, final: String) =
     proposedPoints = "",
     finalPoints = "",
     pointsSum = "",
-    average = .0,
-    pointsSumAllYear = null,
-    averageAllYear = null,
+    average = .0
 )

app/src/main/java/io/github/wulkanowy/ui/modules/debug/notification/mock/schoolAnnouncement.kt

@@ -19,6 +19,6 @@ val debugSchoolAnnouncementItems = listOf(
 private fun generateAnnouncement(subject: String, content: String) = SchoolAnnouncement(
     subject = subject,
     content = content,
-    studentId = 0,
+    userLoginId = 0,
     date = LocalDate.now()
 )

app/src/main/java/io/github/wulkanowy/ui/modules/grade/GradeAverageProvider.kt

@@ -159,7 +159,7 @@ class GradeAverageProvider @Inject constructor(
             ?.updateModifiers(student, config).orEmpty()
 
         (updatedSecondSemesterGrades + updatedFirstSemesterGrades).calcAverage(
-            isOptionalArithmeticAverage = config.isOptionalArithmeticAverage,
+            config.isOptionalArithmeticAverage
         )
     } else {
         secondSemesterSubject.average
@@ -173,21 +173,13 @@ class GradeAverageProvider @Inject constructor(
         config: AverageCalcParams,
     ): Double {
         return if (!isAnyVulcanAverage || config.forceAverageCalc) {
-            val isSecondSemesterHasWeightGrade = secondSemesterSubject.grades
-                .any { it.weightValue > .0 }
-            val isSecondSemesterHasArithmeticGrade = secondSemesterSubject.grades
-                .all { it.weightValue == .0 } && config.isOptionalArithmeticAverage
-            val isSecondSemesterHaveAverage =
-                isSecondSemesterHasWeightGrade || isSecondSemesterHasArithmeticGrade
-
-            val divider = if (isSecondSemesterHaveAverage) 2 else 1
+            val divider = if (secondSemesterSubject.grades.any { it.weightValue > .0 }) 2 else 1
             val secondSemesterAverage = secondSemesterSubject.grades
                 .updateModifiers(student, config)
-                .calcAverage(isOptionalArithmeticAverage = config.isOptionalArithmeticAverage)
+                .calcAverage(config.isOptionalArithmeticAverage)
             val firstSemesterAverage = firstSemesterSubject?.grades
                 ?.updateModifiers(student, config)
-                ?.calcAverage(isOptionalArithmeticAverage = config.isOptionalArithmeticAverage)
-                ?: secondSemesterAverage
+                ?.calcAverage(config.isOptionalArithmeticAverage) ?: secondSemesterAverage
 
             (secondSemesterAverage + firstSemesterAverage) / divider
         } else {
@@ -233,7 +225,7 @@ class GradeAverageProvider @Inject constructor(
                             subject = summary.subject,
                             average = if (!isAnyAverage || params.forceAverageCalc) {
                                 grades.updateModifiers(student, params)
-                                    .calcAverage(isOptionalArithmeticAverage = params.isOptionalArithmeticAverage)
+                                    .calcAverage(params.isOptionalArithmeticAverage)
                             } else summary.average,
                             points = summary.pointsSum,
                             summary = summary,
@@ -266,9 +258,7 @@ class GradeAverageProvider @Inject constructor(
                 proposedPoints = "",
                 finalPoints = "",
                 pointsSum = "",
-                pointsSumAllYear = null,
-                average = .0,
-                averageAllYear = null,
+                average = .0
             )
         }
 
@@ -296,15 +286,8 @@ class GradeAverageProvider @Inject constructor(
                 proposedPoints = "",
                 finalPoints = "",
                 pointsSum = "",
-                pointsSumAllYear = null,
-                average = when {
-                    calcAverage -> details
-                        .updateModifiers(student, params)
-                        .calcAverage(isOptionalArithmeticAverage = params.isOptionalArithmeticAverage)
-
-                    else -> .0
-                },
-                averageAllYear = null,
+                average = if (calcAverage) details.updateModifiers(student, params)
+                    .calcAverage(params.isOptionalArithmeticAverage) else .0
             )
         }
     }

app/src/main/java/io/github/wulkanowy/ui/modules/grade/GradeFragment.kt

@@ -7,6 +7,7 @@ import android.view.MenuItem
 import android.view.View
 import android.view.View.INVISIBLE
 import android.view.View.VISIBLE
+import androidx.appcompat.app.AlertDialog
 import com.google.android.material.dialog.MaterialAlertDialogBuilder
 import com.google.android.material.tabs.TabLayoutMediator
 import dagger.hilt.android.AndroidEntryPoint
@@ -30,6 +31,14 @@ class GradeFragment : BaseFragment<FragmentGradeBinding>(R.layout.fragment_grade
     @Inject
     lateinit var presenter: GradePresenter
 
+    private val pagerAdapter by lazy {
+        BaseFragmentPagerAdapter(
+            fragmentManager = childFragmentManager,
+            pagesCount = 3,
+            lifecycle = lifecycle,
+        )
+    }
+
     private var semesterSwitchMenu: MenuItem? = null
 
     companion object {
@@ -43,8 +52,6 @@ class GradeFragment : BaseFragment<FragmentGradeBinding>(R.layout.fragment_grade
 
     override val currentPageIndex get() = binding.gradeViewPager.currentItem
 
-    private var pagerAdapter: BaseFragmentPagerAdapter? = null
-
     @Suppress("DEPRECATION")
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
@@ -64,26 +71,13 @@ class GradeFragment : BaseFragment<FragmentGradeBinding>(R.layout.fragment_grade
     }
 
     override fun initView() {
-        with(binding) {
-            gradeErrorRetry.setOnClickListener { presenter.onRetry() }
-            gradeErrorDetails.setOnClickListener { presenter.onDetailsClick() }
-        }
-    }
-
-    override fun initTabs(pageCount: Int) {
-        pagerAdapter = BaseFragmentPagerAdapter(
-            lifecycle = lifecycle,
-            pagesCount = pageCount,
-            fragmentManager = childFragmentManager
-        )
-
         with(binding.gradeViewPager) {
             adapter = pagerAdapter
             offscreenPageLimit = 3
             setOnSelectPageListener(presenter::onPageSelected)
         }
 
-        with(pagerAdapter!!) {
+        with(pagerAdapter) {
             containerId = binding.gradeViewPager.id
             titleFactory = {
                 when (it) {
@@ -105,6 +99,11 @@ class GradeFragment : BaseFragment<FragmentGradeBinding>(R.layout.fragment_grade
         }
 
         binding.gradeTabLayout.elevation = requireContext().dpToPx(4f)
+
+        with(binding) {
+            gradeErrorRetry.setOnClickListener { presenter.onRetry() }
+            gradeErrorDetails.setOnClickListener { presenter.onDetailsClick() }
+        }
     }
 
     override fun onOptionsItemSelected(item: MenuItem): Boolean {
@@ -170,20 +169,19 @@ class GradeFragment : BaseFragment<FragmentGradeBinding>(R.layout.fragment_grade
     }
 
     override fun notifyChildLoadData(index: Int, semesterId: Int, forceRefresh: Boolean) {
-        (pagerAdapter?.getFragmentInstance(index) as? GradeView.GradeChildView)
+        (pagerAdapter.getFragmentInstance(index) as? GradeView.GradeChildView)
             ?.onParentLoadData(semesterId, forceRefresh)
     }
 
     override fun notifyChildParentReselected(index: Int) {
-        (pagerAdapter?.getFragmentInstance(index) as? GradeView.GradeChildView)?.onParentReselected()
+        (pagerAdapter.getFragmentInstance(index) as? GradeView.GradeChildView)?.onParentReselected()
     }
 
     override fun notifyChildSemesterChange(index: Int) {
-        (pagerAdapter?.getFragmentInstance(index) as? GradeView.GradeChildView)?.onParentChangeSemester()
+        (pagerAdapter.getFragmentInstance(index) as? GradeView.GradeChildView)?.onParentChangeSemester()
     }
 
     override fun onDestroyView() {
-        pagerAdapter = null
         presenter.onDetachView()
         super.onDestroyView()
     }

app/src/main/java/io/github/wulkanowy/ui/modules/grade/GradePresenter.kt

@@ -22,8 +22,11 @@ class GradePresenter @Inject constructor(
 ) : BasePresenter<GradeView>(errorHandler, studentRepository) {
 
     private var selectedIndex = 0
+
     private var schoolYear = 0
-    private var availableSemesters = emptyList<Semester>()
+
+    private var semesters = emptyList<Semester>()
+
     private val loadedSemesterId = mutableMapOf<Int, Int>()
 
     private lateinit var lastError: Throwable
@@ -37,7 +40,7 @@ class GradePresenter @Inject constructor(
     }
 
     fun onCreateMenu() {
-        if (availableSemesters.isEmpty()) view?.showSemesterSwitch(false)
+        if (semesters.isEmpty()) view?.showSemesterSwitch(false)
     }
 
     fun onViewReselected() {
@@ -46,8 +49,8 @@ class GradePresenter @Inject constructor(
     }
 
     fun onSemesterSwitch(): Boolean {
-        if (availableSemesters.isNotEmpty()) {
-            view?.showSemesterDialog(selectedIndex - 1, availableSemesters.take(2))
+        if (semesters.isNotEmpty()) {
+            view?.showSemesterDialog(selectedIndex - 1, semesters.take(2))
         }
         return true
     }
@@ -80,7 +83,7 @@ class GradePresenter @Inject constructor(
     }
 
     fun onPageSelected(index: Int) {
-        if (availableSemesters.isNotEmpty()) loadChild(index)
+        if (semesters.isNotEmpty()) loadChild(index)
     }
 
     fun onRetry() {
@@ -98,24 +101,16 @@ class GradePresenter @Inject constructor(
     private fun loadData() {
         resourceFlow {
             val student = studentRepository.getCurrentStudent()
-            val semesters = semesterRepository.getSemesters(student, refreshOnNoCurrent = true)
-
-            student to semesters
+            semesterRepository.getSemesters(student, refreshOnNoCurrent = true)
         }
             .logResourceStatus("load grade data")
-            .onResourceData { (student, semesters) ->
-                val currentSemester = semesters.getCurrentOrLast()
-                selectedIndex =
-                    if (selectedIndex == 0) currentSemester.semesterName else selectedIndex
-                schoolYear = currentSemester.schoolYear
-                availableSemesters = semesters.filter { semester ->
-                    semester.diaryId == currentSemester.diaryId
-                }
-
+            .onResourceData {
+                val current = it.getCurrentOrLast()
+                selectedIndex = if (selectedIndex == 0) current.semesterName else selectedIndex
+                schoolYear = current.schoolYear
+                semesters = it.filter { semester -> semester.diaryId == current.diaryId }
+                view?.setCurrentSemesterName(current.semesterName, schoolYear)
                 view?.run {
-                    initTabs(if (student.isEduOne == true) 2 else 3)
-                    setCurrentSemesterName(currentSemester.semesterName, schoolYear)
-
                     Timber.i("Loading grade data: Attempt load index $currentPageIndex")
                     loadChild(currentPageIndex)
                     showErrorView(false)
@@ -136,10 +131,10 @@ class GradePresenter @Inject constructor(
     }
 
     private fun loadChild(index: Int, forceRefresh: Boolean = false) {
-        Timber.d("Load grade tab child. Selected semester: $selectedIndex, semesters: ${availableSemesters.joinToString { it.semesterName.toString() }}")
+        Timber.d("Load grade tab child. Selected semester: $selectedIndex, semesters: ${semesters.joinToString { it.semesterName.toString() }}")
 
         val newSelectedSemesterId = try {
-            availableSemesters.first { it.semesterName == selectedIndex }.semesterId
+            semesters.first { it.semesterName == selectedIndex }.semesterId
         } catch (e: NoSuchElementException) {
             Timber.e(e, "Selected semester no exists")
             return

app/src/main/java/io/github/wulkanowy/ui/modules/grade/GradeView.kt

@@ -9,8 +9,6 @@ interface GradeView : BaseView {
 
     fun initView()
 
-    fun initTabs(pageCount: Int)
-
     fun showContent(show: Boolean)
 
     fun showProgress(show: Boolean)

app/src/main/java/io/github/wulkanowy/ui/modules/grade/details/GradeDetailsAdapter.kt

@@ -96,11 +96,9 @@ class GradeDetailsAdapter @Inject constructor() : BaseExpandableAdapter<Recycler
             ViewType.HEADER.id -> HeaderViewHolder(
                 HeaderGradeDetailsBinding.inflate(inflater, parent, false)
             )
-
             ViewType.ITEM.id -> ItemViewHolder(
                 ItemGradeDetailsBinding.inflate(inflater, parent, false)
             )
-
             else -> throw IllegalStateException()
         }
     }
@@ -112,7 +110,6 @@ class GradeDetailsAdapter @Inject constructor() : BaseExpandableAdapter<Recycler
                 header = items[position].value as GradeDetailsHeader,
                 position = position
             )
-
             is ItemViewHolder -> bindItemViewHolder(
                 holder = holder,
                 grade = items[position].value as Grade
@@ -136,10 +133,6 @@ class GradeDetailsAdapter @Inject constructor() : BaseExpandableAdapter<Recycler
                 maxLines = if (expandedPositions[headerPosition]) 2 else 1
             }
             gradeHeaderAverage.text = formatAverage(header.average, root.context.resources)
-            with(gradeHeaderAverageAllYear) {
-                isVisible = header.averageAllYear != null && header.averageAllYear != .0
-                text = formatAverageAllYear(header.averageAllYear, root.context.resources)
-            }
             gradeHeaderPointsSum.text =
                 context.getString(R.string.grade_points_sum, header.pointsSum)
             gradeHeaderPointsSum.isVisible = !header.pointsSum.isNullOrEmpty()
@@ -240,13 +233,6 @@ class GradeDetailsAdapter @Inject constructor() : BaseExpandableAdapter<Recycler
             resources.getString(R.string.grade_average, average)
         }
 
-    private fun formatAverageAllYear(average: Double?, resources: Resources) =
-        if (average == null || average == .0) {
-            resources.getString(R.string.grade_no_average)
-        } else {
-            resources.getString(R.string.grade_average_year, average)
-        }
-
     private class HeaderViewHolder(val binding: HeaderGradeDetailsBinding) :
         RecyclerView.ViewHolder(binding.root)
 

app/src/main/java/io/github/wulkanowy/ui/modules/grade/details/GradeDetailsItem.kt

@@ -13,7 +13,6 @@ data class GradeDetailsItem(
 data class GradeDetailsHeader(
     val subject: String,
     val average: Double?,
-    val averageAllYear: Double?,
     val pointsSum: String?,
     val grades: List<GradeDetailsItem>
 ) {

app/src/main/java/io/github/wulkanowy/ui/modules/grade/details/GradeDetailsPresenter.kt

@@ -226,9 +226,8 @@ class GradeDetailsPresenter @Inject constructor(
                         GradeDetailsHeader(
                             subject = gradeSubject.subject,
                             average = gradeSubject.average,
-                            averageAllYear = gradeSubject.summary.averageAllYear,
                             pointsSum = gradeSubject.points,
-                            grades = subItems,
+                            grades = subItems
                         ).apply {
                             newGrades = gradeSubject.grades.filter { grade -> !grade.isRead }.size
                         }, ViewType.HEADER

app/src/main/java/io/github/wulkanowy/ui/modules/grade/summary/GradeSummaryAdapter.kt

@@ -3,7 +3,6 @@ package io.github.wulkanowy.ui.modules.grade.summary
 import android.annotation.SuppressLint
 import android.view.LayoutInflater
 import android.view.ViewGroup
-import androidx.core.view.isGone
 import androidx.core.view.isVisible
 import androidx.recyclerview.widget.RecyclerView
 import io.github.wulkanowy.R
@@ -66,55 +65,37 @@ class GradeSummaryAdapter @Inject constructor(
         val gradeSummaries = items
             .filter { it.gradeDescriptive == null }
             .map { it.gradeSummary }
-        val isSecondSemester = items.any { item ->
-            item.gradeSummary.let { it.averageAllYear != null && it.averageAllYear != .0 }
-        }
 
         val context = binding.root.context
         val finalItemsCount = gradeSummaries.count { isGradeValid(it.finalGrade) }
-        val calculatedSemesterItemsCount = gradeSummaries.count { value -> value.average != 0.0 }
-        val calculatedAnnualItemsCount =
-            gradeSummaries.count { value -> value.averageAllYear != 0.0 }
+        val calculatedItemsCount = gradeSummaries.count { value -> value.average != 0.0 }
         val allItemsCount = gradeSummaries.count { !it.subject.equals("zachowanie", true) }
         val finalAverage = gradeSummaries.calcFinalAverage(
-            plusModifier = preferencesRepository.gradePlusModifier,
-            minusModifier = preferencesRepository.gradeMinusModifier,
+            preferencesRepository.gradePlusModifier,
+            preferencesRepository.gradeMinusModifier
         )
-        val calculatedSemesterAverage = gradeSummaries.filter { value -> value.average != 0.0 }
+        val calculatedAverage = gradeSummaries.filter { value -> value.average != 0.0 }
             .map { values -> values.average }
             .reversed() // fix average precision
             .average()
             .let { if (it.isNaN()) 0.0 else it }
-        val calculatedAnnualAverage = gradeSummaries.filter { value -> value.averageAllYear != 0.0 }
-            .mapNotNull { values -> values.averageAllYear }
-            .reversed() // fix average precision
-            .average()
-            .let { if (it.isNaN()) 0.0 else it }
 
         with(binding) {
-            gradeSummaryScrollableHeaderCalculated.text = formatAverage(calculatedSemesterAverage)
-            gradeSummaryScrollableHeaderCalculatedAnnual.text =
-                formatAverage(calculatedAnnualAverage)
             gradeSummaryScrollableHeaderFinal.text = formatAverage(finalAverage)
-            gradeSummaryScrollableHeaderFinalSubjectCount.text = context.getString(
-                R.string.grade_summary_from_subjects,
-                finalItemsCount,
-                allItemsCount
-            )
+            gradeSummaryScrollableHeaderCalculated.text = formatAverage(calculatedAverage)
+            gradeSummaryScrollableHeaderFinalSubjectCount.text =
+                context.getString(
+                    R.string.grade_summary_from_subjects,
+                    finalItemsCount,
+                    allItemsCount
+                )
             gradeSummaryScrollableHeaderCalculatedSubjectCount.text = context.getString(
                 R.string.grade_summary_from_subjects,
-                calculatedSemesterItemsCount,
+                calculatedItemsCount,
                 allItemsCount
             )
-            gradeSummaryScrollableHeaderCalculatedSubjectCountAnnual.text = context.getString(
-                R.string.grade_summary_from_subjects,
-                calculatedAnnualItemsCount,
-                allItemsCount
-            )
-            gradeSummaryScrollableHeaderCalculatedAnnualContainer.isVisible = isSecondSemester
 
             gradeSummaryCalculatedAverageHelp.setOnClickListener { onCalculatedHelpClickListener() }
-            gradeSummaryCalculatedAverageHelpAnnual.setOnClickListener { onCalculatedHelpClickListener() }
             gradeSummaryFinalAverageHelp.setOnClickListener { onFinalHelpClickListener() }
         }
     }
@@ -126,12 +107,7 @@ class GradeSummaryAdapter @Inject constructor(
         with(binding) {
             gradeSummaryItemTitle.text = gradeSummary.subject
             gradeSummaryItemPoints.text = gradeSummary.pointsSum
-
             gradeSummaryItemAverage.text = formatAverage(gradeSummary.average, "")
-            gradeSummaryItemAverageAllYear.text = gradeSummary.averageAllYear?.let {
-                formatAverage(it, "")
-            }
-
             gradeSummaryItemPredicted.text =
                 "${gradeSummary.predictedGrade} ${gradeSummary.proposedPoints}".trim()
             gradeSummaryItemFinal.text =
@@ -140,12 +116,6 @@ class GradeSummaryAdapter @Inject constructor(
                 root.context.getString(R.string.all_no_data)
             }
 
-            gradeSummaryItemAverageContainer.isVisible = gradeSummary.average != .0
-            gradeSummaryItemAverageDivider.isVisible = gradeSummaryItemAverageContainer.isVisible
-            gradeSummaryItemAverageAllYearContainer.isGone =
-                gradeSummary.averageAllYear == null || gradeSummary.averageAllYear == .0
-            gradeSummaryItemAverageAllYearDivider.isGone =
-                gradeSummaryItemAverageAllYearContainer.isGone
             gradeSummaryItemFinalDivider.isVisible = gradeDescriptive == null
             gradeSummaryItemPredictedDivider.isVisible = gradeDescriptive == null
             gradeSummaryItemPointsDivider.isVisible = gradeDescriptive == null
@@ -153,7 +123,6 @@ class GradeSummaryAdapter @Inject constructor(
             gradeSummaryItemFinalContainer.isVisible = gradeDescriptive == null
             gradeSummaryItemDescriptiveContainer.isVisible = gradeDescriptive != null
             gradeSummaryItemPointsContainer.isVisible = gradeSummary.pointsSum.isNotBlank()
-            gradeSummaryItemPointsDivider.isVisible = gradeSummaryItemPointsContainer.isVisible
         }
     }
 

app/src/main/java/io/github/wulkanowy/ui/modules/homework/add/HomeworkAddDialog.kt

@@ -98,9 +98,7 @@ class HomeworkAddDialog : BaseDialogFragment<DialogHomeworkAddBinding>(), Homewo
             rangeEnd = LocalDate.now().lastSchoolDayInSchoolYear,
             onDateSelected = {
                 date = it
-                if (isAdded) {
-                    binding.homeworkDialogDate.editText?.setText(date!!.toFormattedString())
-                }
+                binding.homeworkDialogDate.editText?.setText(date!!.toFormattedString())
             }
         )
     }

app/src/main/java/io/github/wulkanowy/ui/modules/login/LoginActivity.kt

@@ -118,6 +118,5 @@ class LoginActivity : BaseActivity<LoginPresenter, ActivityLoginBinding>(), Logi
     override fun onResume() {
         super.onResume()
         inAppUpdateHelper.onResume()
-        presenter.updateSdkMappings()
     }
 }

app/src/main/java/io/github/wulkanowy/ui/modules/login/LoginPresenter.kt

@@ -1,15 +1,12 @@
 package io.github.wulkanowy.ui.modules.login
 
 import io.github.wulkanowy.data.repositories.StudentRepository
-import io.github.wulkanowy.data.repositories.WulkanowyRepository
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.base.ErrorHandler
-import kotlinx.coroutines.launch
 import timber.log.Timber
 import javax.inject.Inject
 
 class LoginPresenter @Inject constructor(
-    private val wulkanowyRepository: WulkanowyRepository,
     errorHandler: ErrorHandler,
     studentRepository: StudentRepository
 ) : BasePresenter<LoginView>(errorHandler, studentRepository) {
@@ -19,11 +16,4 @@ class LoginPresenter @Inject constructor(
         view.initView()
         Timber.i("Login view was initialized")
     }
-
-    fun updateSdkMappings() {
-        presenterScope.launch {
-            runCatching { wulkanowyRepository.fetchMapping() }
-                .onFailure { Timber.e(it) }
-        }
-    }
 }

app/src/main/java/io/github/wulkanowy/ui/modules/login/studentselect/LoginStudentSelectAdapter.kt

@@ -19,23 +19,19 @@ class LoginStudentSelectAdapter @Inject constructor() :
 
     override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): RecyclerView.ViewHolder {
         val inflater = LayoutInflater.from(parent.context)
-        return when (LoginStudentSelectItemType.entries[viewType]) {
+        return when (LoginStudentSelectItemType.values()[viewType]) {
             LoginStudentSelectItemType.EMPTY_SYMBOLS_HEADER -> EmptySymbolsHeaderViewHolder(
                 ItemLoginStudentSelectEmptySymbolHeaderBinding.inflate(inflater, parent, false),
             )
-
             LoginStudentSelectItemType.SYMBOL_HEADER -> SymbolsHeaderViewHolder(
                 ItemLoginStudentSelectHeaderSymbolBinding.inflate(inflater, parent, false)
             )
-
             LoginStudentSelectItemType.SCHOOL_HEADER -> SchoolHeaderViewHolder(
                 ItemLoginStudentSelectHeaderSchoolBinding.inflate(inflater, parent, false)
             )
-
             LoginStudentSelectItemType.STUDENT -> StudentViewHolder(
                 ItemLoginStudentSelectStudentBinding.inflate(inflater, parent, false)
             )
-
             LoginStudentSelectItemType.HELP -> HelpViewHolder(
                 ItemLoginStudentSelectHelpBinding.inflate(inflater, parent, false)
             )
@@ -102,11 +98,9 @@ class LoginStudentSelectAdapter @Inject constructor() :
             with(binding) {
                 loginStudentSelectHeaderSchoolName.text = buildString {
                     append(item.unit.schoolName.trim())
-                    if (item.unit.schoolShortName.isNotBlank()) {
-                        append(" (")
-                        append(item.unit.schoolShortName)
-                        append(")")
-                    }
+                    append(" (")
+                    append(item.unit.schoolShortName)
+                    append(")")
                 }
                 loginStudentSelectHeaderSchoolDetails.isVisible = item.unit.students.isEmpty()
                 loginStudentSelectHeaderSchoolError.text = item.unit.error?.message
@@ -176,11 +170,9 @@ class LoginStudentSelectAdapter @Inject constructor() :
             oldItem is LoginStudentSelectItem.SymbolHeader && newItem is LoginStudentSelectItem.SymbolHeader -> {
                 oldItem.symbol == newItem.symbol
             }
-
             oldItem is LoginStudentSelectItem.Student && newItem is LoginStudentSelectItem.Student -> {
                 oldItem.student == newItem.student
             }
-
             else -> oldItem == newItem
         }