Merge branch 'develop' into feature/update-colors

---------

Co-authored-by: Faierbel <RafalBO99@outlook.com>

.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 -PenableCrashlytics -PdisablePreDex
+          command: ./gradlew publishPlayRelease --no-daemon --stacktrace --console=plain -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 -PenableFirebase --stacktrace;
+        run: ./gradlew publishPlayReleaseApps --stacktrace;
 
   deploy-app-gallery:
     name: AppGallery

.github/workflows/deploy-test.yml

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

.gitignore

@@ -67,6 +67,10 @@ captures/
 .idea/discord.xml
 .idea/migrations.xml
 .idea/androidTestResultsUserPreferences.xml
+.idea/copilot
+.idea/deploymentTargetDropDown.xml
+.idea/deploymentTargetSelector.xml
+.idea/kotlinc.xml
 
 # Keystore files
 *.jks
@@ -113,12 +117,13 @@ 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
+
 
-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 -PenableFirebase --stacktrace;
+      ./gradlew publishPlayRelease --stacktrace;
     fi
 
 after_success:

app/build.gradle

@@ -27,15 +27,12 @@ android {
         testApplicationId "io.github.tests.wulkanowy"
         minSdkVersion 21
         targetSdkVersion 34
-        versionCode 149
-        versionName "2.5.0"
+        versionCode 150
+        versionName "2.5.1"
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
 
         resValue "string", "app_name", "Wulkanowy"
-        manifestPlaceholders = [
-            firebase_enabled: project.hasProperty("enableFirebase"),
-            admob_project_id: ""
-        ]
+        manifestPlaceholders = [admob_project_id: ""]
 
         buildConfigField "String", "SINGLE_SUPPORT_AD_ID", "null"
         buildConfigField "String", "DASHBOARD_TILE_AD_ID", "null"
@@ -76,7 +73,6 @@ 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"'
         }
@@ -164,7 +160,7 @@ play {
     defaultToAppBundles = false
     track = 'production'
     releaseStatus = ReleaseStatus.IN_PROGRESS
-    userFraction = 0.20d
+    userFraction = 0.50d
     updatePriority = 1
     enabled.set(false)
 }
@@ -195,7 +191,7 @@ ext {
 }
 
 dependencies {
-    implementation 'io.github.wulkanowy:sdk:2.5.0'
+    implementation 'io.github.wulkanowy:sdk:2.5.1'
 
     coreLibraryDesugaring 'com.android.tools:desugar_jdk_libs:2.0.4'
 
@@ -252,13 +248,13 @@ dependencies {
     implementation 'com.fredporciuncula:flow-preferences:1.9.1'
     implementation 'org.apache.commons:commons-text:1.11.0'
 
-    playImplementation platform('com.google.firebase:firebase-bom:32.7.3')
+    playImplementation platform('com.google.firebase:firebase-bom:32.7.4')
     playImplementation 'com.google.firebase:firebase-analytics'
     playImplementation 'com.google.firebase:firebase-messaging'
     playImplementation 'com.google.firebase:firebase-crashlytics:'
     playImplementation 'com.google.firebase:firebase-config'
 
-    playImplementation 'com.google.android.gms:play-services-ads:22.6.0'
+    playImplementation 'com.google.android.gms:play-services-ads:23.0.0'
     playImplementation "com.google.android.play:integrity:1.3.0"
     playImplementation 'com.google.android.play:app-update-ktx:2.1.0'
     playImplementation 'com.google.android.play:review-ktx:2.0.1'

app/play-publish-lint.sh

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

app/src/debug/agconnect-services.json

@@ -1,92 +0,0 @@
-{
-  "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/main/AndroidManifest.xml

@@ -155,33 +155,9 @@
                 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

@@ -18,17 +18,13 @@ 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
 
@@ -36,23 +32,6 @@ import javax.inject.Singleton
 @InstallIn(SingletonComponent::class)
 internal class DataModule {
 
-    @Singleton
-    @Provides
-    fun provideSdk(
-        chuckerInterceptor: ChuckerInterceptor,
-        remoteConfig: RemoteConfigHelper,
-        webkitCookieManagerProxy: WebkitCookieManagerProxy,
-    ) = 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(

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

@@ -1,11 +1,17 @@
 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
@@ -14,16 +20,39 @@ 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 class Resource<T> {
-
-    open class Loading<T> : Resource<T>()
+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>
 
+    /**
+     * 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>()
 
-    data class Success<T>(val data: T) : Resource<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 Error<T>(val error: Throwable) : 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>
 }
 
 val <T> Resource<T>.dataOrNull: T?
@@ -64,6 +93,22 @@ 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: `${it.data}`)" else ""
@@ -74,8 +119,29 @@ fun <T> Flow<Resource<T>>.logResourceStatus(name: String, showData: Boolean = fa
     Timber.i("$name: $description")
 }
 
-fun <T, U> Flow<Resource<T>>.mapResourceData(block: (T) -> U) = map {
-    it.mapData(block)
+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> Flow<Resource<T>>.onResourceData(block: suspend (T) -> Unit) = onEach {
@@ -105,13 +171,13 @@ fun <T> Flow<Resource<T>>.onResourceSuccess(block: suspend (T) -> Unit) = onEach
     }
 }
 
-fun <T> Flow<Resource<T>>.onResourceError(block: (Throwable) -> Unit) = onEach {
+fun <T> Flow<Resource<T>>.onResourceError(block: suspend (Throwable) -> Unit) = onEach {
     if (it is Resource.Error) {
         block(it.error)
     }
 }
 
-fun <T> Flow<Resource<T>>.onResourceNotLoading(block: () -> Unit) = onEach {
+fun <T> Flow<Resource<T>>.onResourceNotLoading(block: suspend () -> Unit) = onEach {
     if (it !is Resource.Loading) {
         block()
     }
@@ -121,70 +187,99 @@ 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()
 
-inline fun <ResultType, RequestType> networkBoundResource(
-    mutex: Mutex = Mutex(),
-    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())
+// 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)
+                }
 
-    val data = query().first()
-    emitAll(if (shouldFetch(data)) {
-        val filteredResult = filterResult(data)
-
-        if (showSavedOnLoading && !isResultEmpty(filteredResult)) {
-            emit(Resource.Intermediate(filteredResult))
+                is Resource.Loading -> return@combine Resource.Loading()
+                is Resource.Error -> continue
+            }
         }
-
-        try {
-            val newData = fetch(data)
-            mutex.withLock { saveFetchResult(query().first(), newData) }
-            query().map { Resource.Success(filterResult(it)) }
-        } catch (throwable: Throwable) {
-            onFetchFailed(throwable)
-            flowOf(Resource.Error(throwable))
+        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
         }
-    } else {
-        query().map { Resource.Success(filterResult(it)) }
     })
 }
 
+
+inline fun <OutputType, ApiType> 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 <ResultType, RequestType, T> networkBoundResource(
+inline fun <DatabaseType, ApiType, OutputType> 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,
+    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,
 ) = flow {
     emit(Resource.Loading())
 
     val data = query().first()
-    emitAll(if (shouldFetch(data)) {
-        val mappedResult = mapResult(data)
+    if (shouldFetch(data)) {
+        emit(Resource.Intermediate(data))
 
-        if (showSavedOnLoading && !isResultEmpty(mappedResult)) {
-            emit(Resource.Intermediate(mappedResult))
-        }
         try {
-            val newData = fetch(data)
+            val newData = fetch()
             mutex.withLock { saveFetchResult(query().first(), newData) }
-            query().map { Resource.Success(mapResult(it)) }
         } catch (throwable: Throwable) {
-            onFetchFailed(throwable)
-            flowOf(Resource.Error(throwable))
+            emit(Resource.Error(throwable))
+            return@flow
         }
-    } else {
-        query().map { Resource.Success(mapResult(it)) }
-    })
+    }
+
+    emitAll(query().map { Resource.Success(it) })
 }
+    .mapResourceData { mapResult(it) }
+    .filterNot { it is Resource.Intermediate && isResultEmpty(it.data) }

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

@@ -0,0 +1,64 @@
+package io.github.wulkanowy.data
+
+import com.chuckerteam.chucker.api.ChuckerInterceptor
+import io.github.wulkanowy.data.db.entities.Semester
+import io.github.wulkanowy.data.db.entities.Student
+import io.github.wulkanowy.sdk.Sdk
+import io.github.wulkanowy.utils.RemoteConfigHelper
+import io.github.wulkanowy.utils.WebkitCookieManagerProxy
+import timber.log.Timber
+import javax.inject.Inject
+import javax.inject.Singleton
+
+@Singleton
+class WulkanowySdkFactory @Inject constructor(
+    private val chuckerInterceptor: ChuckerInterceptor,
+    private val remoteConfig: RemoteConfigHelper,
+    private val webkitCookieManagerProxy: WebkitCookieManagerProxy
+) {
+
+    private val sdk = 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)
+    }
+
+    fun create() = sdk
+
+    fun create(student: Student, semester: Semester? = null): Sdk {
+        return create().apply {
+            email = student.email
+            password = student.password
+            symbol = student.symbol
+            schoolSymbol = student.schoolSymbol
+            studentId = student.studentId
+            classId = student.classId
+            emptyCookieJarInterceptor = true
+
+            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
+            }
+        }
+    }
+}

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

@@ -0,0 +1,13 @@
+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/pojos/AttendanceData.kt

@@ -0,0 +1,14 @@
+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/repositories/AdminMessageRepository.kt

@@ -6,6 +6,7 @@ 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 javax.inject.Inject
 import javax.inject.Singleton
@@ -28,6 +29,6 @@ class AdminMessageRepository @Inject constructor(
             saveFetchResult = { oldItems, newItems ->
                 adminMessageDao.removeOldAndSaveNew(oldItems, newItems)
             },
-            showSavedOnLoading = false,
         )
+            .filterNot { it is Resource.Intermediate }
 }

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

@@ -1,5 +1,6 @@
 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
@@ -7,14 +8,11 @@ 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.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
@@ -28,7 +26,7 @@ import javax.inject.Singleton
 class AttendanceRepository @Inject constructor(
     private val attendanceDb: AttendanceDao,
     private val timetableDb: TimetableDao,
-    private val sdk: Sdk,
+    private val wulkanowySdkFactory: WulkanowySdkFactory,
     private val refreshHelper: AutoRefreshHelper,
 ) {
 
@@ -59,8 +57,7 @@ class AttendanceRepository @Inject constructor(
             val lessons = timetableDb.load(
                 semester.diaryId, semester.studentId, start.monday, end.sunday
             )
-            sdk.init(student)
-                .switchSemester(semester)
+            wulkanowySdkFactory.create(student, semester)
                 .getAttendance(start.monday, end.sunday)
                 .mapToEntities(semester, lessons)
         },
@@ -90,8 +87,10 @@ class AttendanceRepository @Inject constructor(
     }
 
     suspend fun excuseForAbsence(
-        student: Student, semester: Semester,
-        absenceList: List<Attendance>, reason: String? = null
+        student: Student,
+        semester: Semester,
+        absenceList: List<Attendance>,
+        reason: String? = null
     ) {
         val items = absenceList.map { attendance ->
             Absent(
@@ -99,8 +98,7 @@ class AttendanceRepository @Inject constructor(
                 timeId = attendance.timeId
             )
         }
-        sdk.init(student)
-            .switchSemester(semester)
+        wulkanowySdkFactory.create(student, semester)
             .excuseForAbsence(items, reason)
     }
 }

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

@@ -1,17 +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
@@ -20,9 +18,9 @@ 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()
@@ -43,8 +41,7 @@ class AttendanceSummaryRepository @Inject constructor(
         },
         query = { attendanceDb.loadAll(semester.diaryId, semester.studentId, subjectId) },
         fetch = {
-            sdk.init(student)
-                .switchSemester(semester)
+            wulkanowySdkFactory.create(student, semester)
                 .getAttendanceSummary(subjectId)
                 .mapToEntities(semester, subjectId)
         },

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

@@ -1,17 +1,15 @@
 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.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
@@ -21,7 +19,7 @@ import javax.inject.Singleton
 @Singleton
 class CompletedLessonsRepository @Inject constructor(
     private val completedLessonsDb: CompletedLessonsDao,
-    private val sdk: Sdk,
+    private val wulkanowySdkFactory: WulkanowySdkFactory,
     private val refreshHelper: AutoRefreshHelper,
 ) {
 
@@ -53,8 +51,7 @@ class CompletedLessonsRepository @Inject constructor(
             )
         },
         fetch = {
-            sdk.init(student)
-                .switchSemester(semester)
+            wulkanowySdkFactory.create(student, semester)
                 .getCompletedLessons(start.monday, end.sunday)
                 .mapToEntities(semester)
         },

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

@@ -1,16 +1,14 @@
 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
@@ -21,7 +19,7 @@ import javax.inject.Singleton
 @Singleton
 class ConferenceRepository @Inject constructor(
     private val conferenceDb: ConferenceDao,
-    private val sdk: Sdk,
+    private val wulkanowySdkFactory: WulkanowySdkFactory,
     private val refreshHelper: AutoRefreshHelper,
 ) {
 
@@ -46,8 +44,7 @@ class ConferenceRepository @Inject constructor(
             conferenceDb.loadAll(semester.diaryId, student.studentId, startDate)
         },
         fetch = {
-            sdk.init(student)
-                .switchSemester(semester)
+            wulkanowySdkFactory.create(student, semester)
                 .getConferences()
                 .mapToEntities(semester)
                 .filter { it.date >= startDate }

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

@@ -1,18 +1,16 @@
 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
@@ -23,7 +21,7 @@ import javax.inject.Singleton
 @Singleton
 class ExamRepository @Inject constructor(
     private val examDb: ExamDao,
-    private val sdk: Sdk,
+    private val wulkanowySdkFactory: WulkanowySdkFactory,
     private val refreshHelper: AutoRefreshHelper,
 ) {
 
@@ -56,8 +54,7 @@ class ExamRepository @Inject constructor(
             )
         },
         fetch = {
-            sdk.init(student)
-                .switchSemester(semester)
+            wulkanowySdkFactory.create(student, semester)
                 .getExams(start.startExamsDay, start.endExamsDay)
                 .mapToEntities(semester)
         },

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

@@ -1,5 +1,6 @@
 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
@@ -10,11 +11,8 @@ 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
@@ -30,7 +28,7 @@ class GradeRepository @Inject constructor(
     private val gradeDb: GradeDao,
     private val gradeSummaryDb: GradeSummaryDao,
     private val gradeDescriptiveDb: GradeDescriptiveDao,
-    private val sdk: Sdk,
+    private val wulkanowySdkFactory: WulkanowySdkFactory,
     private val refreshHelper: AutoRefreshHelper,
 ) {
 
@@ -63,8 +61,7 @@ class GradeRepository @Inject constructor(
             }
         },
         fetch = {
-            val (details, summary, descriptive) = sdk.init(student)
-                .switchSemester(semester)
+            val (details, summary, descriptive) = wulkanowySdkFactory.create(student, semester)
                 .getGrades(semester.semesterId)
 
             Triple(

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

@@ -1,5 +1,6 @@
 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
@@ -12,11 +13,8 @@ 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
@@ -28,7 +26,7 @@ class GradeStatisticsRepository @Inject constructor(
     private val gradePartialStatisticsDb: GradePartialStatisticsDao,
     private val gradePointsStatisticsDb: GradePointsStatisticsDao,
     private val gradeSemesterStatisticsDb: GradeSemesterStatisticsDao,
-    private val sdk: Sdk,
+    private val wulkanowySdkFactory: WulkanowySdkFactory,
     private val refreshHelper: AutoRefreshHelper,
 ) {
 
@@ -56,8 +54,7 @@ class GradeStatisticsRepository @Inject constructor(
         },
         query = { gradePartialStatisticsDb.loadAll(semester.semesterId, semester.studentId) },
         fetch = {
-            sdk.init(student)
-                .switchSemester(semester)
+            wulkanowySdkFactory.create(student, semester)
                 .getGradesPartialStatistics(semester.semesterId)
                 .mapToEntities(semester)
         },
@@ -104,8 +101,7 @@ class GradeStatisticsRepository @Inject constructor(
         },
         query = { gradeSemesterStatisticsDb.loadAll(semester.semesterId, semester.studentId) },
         fetch = {
-            sdk.init(student)
-                .switchSemester(semester)
+            wulkanowySdkFactory.create(student, semester)
                 .getGradesSemesterStatistics(semester.semesterId)
                 .mapToEntities(semester)
         },
@@ -163,8 +159,7 @@ class GradeStatisticsRepository @Inject constructor(
         },
         query = { gradePointsStatisticsDb.loadAll(semester.semesterId, semester.studentId) },
         fetch = {
-            sdk.init(student)
-                .switchSemester(semester)
+            wulkanowySdkFactory.create(student, semester)
                 .getGradesPointsStatistics(semester.semesterId)
                 .mapToEntities(semester)
         },

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

@@ -1,18 +1,16 @@
 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
@@ -22,7 +20,7 @@ import javax.inject.Singleton
 @Singleton
 class HomeworkRepository @Inject constructor(
     private val homeworkDb: HomeworkDao,
-    private val sdk: Sdk,
+    private val wulkanowySdkFactory: WulkanowySdkFactory,
     private val refreshHelper: AutoRefreshHelper,
 ) {
 
@@ -55,8 +53,7 @@ class HomeworkRepository @Inject constructor(
             )
         },
         fetch = {
-            sdk.init(student)
-                .switchSemester(semester)
+            wulkanowySdkFactory.create(student, semester)
                 .getHomework(start.monday, end.sunday)
                 .mapToEntities(semester)
         },

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

@@ -1,12 +1,11 @@
 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.sdk.Sdk
-import io.github.wulkanowy.utils.init
 import kotlinx.coroutines.flow.first
 import kotlinx.coroutines.flow.map
 import kotlinx.coroutines.sync.Mutex
@@ -18,7 +17,7 @@ import javax.inject.Singleton
 @Singleton
 class LuckyNumberRepository @Inject constructor(
     private val luckyNumberDb: LuckyNumberDao,
-    private val sdk: Sdk,
+    private val wulkanowySdkFactory: WulkanowySdkFactory,
 ) {
 
     private val saveFetchResultMutex = Mutex()
@@ -33,7 +32,9 @@ class LuckyNumberRepository @Inject constructor(
         shouldFetch = { it == null || forceRefresh },
         query = { luckyNumberDb.load(student.studentId, now()) },
         fetch = {
-            sdk.init(student).getLuckyNumber(student.schoolShortName)?.mapToEntity(student)
+            wulkanowySdkFactory.create(student)
+                .getLuckyNumber(student.schoolShortName)
+                ?.mapToEntity(student)
         },
         saveFetchResult = { oldLuckyNumber, newLuckyNumber ->
             newLuckyNumber ?: return@networkBoundResource

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

@@ -4,6 +4,7 @@ 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
@@ -29,11 +30,9 @@ 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
@@ -48,7 +47,7 @@ class MessageRepository @Inject constructor(
     private val messagesDb: MessagesDao,
     private val mutedMessageSendersDao: MutedMessageSendersDao,
     private val messageAttachmentDao: MessageAttachmentDao,
-    private val sdk: Sdk,
+    private val wulkanowySdkFactory: WulkanowySdkFactory,
     @ApplicationContext private val context: Context,
     private val refreshHelper: AutoRefreshHelper,
     private val sharedPrefProvider: SharedPrefProvider,
@@ -82,10 +81,16 @@ class MessageRepository @Inject constructor(
             } else messagesDb.loadMessagesWithMutedAuthor(mailbox.globalKey, folder.id)
         },
         fetch = {
-            sdk.init(student).getMessages(
-                folder = Folder.valueOf(folder.name),
-                mailboxKey = mailbox?.globalKey,
-            ).mapToEntities(student, mailbox, mailboxDao.loadAll(student.email))
+            wulkanowySdkFactory.create(student)
+                .getMessages(
+                    folder = Folder.valueOf(folder.name),
+                    mailboxKey = mailbox?.globalKey,
+                )
+                .mapToEntities(
+                    student = student,
+                    mailbox = mailbox,
+                    allMailboxes = mailboxDao.loadAll(student.email)
+                )
         },
         saveFetchResult = { oldWithAuthors, new ->
             val old = oldWithAuthors.map { it.message }
@@ -115,10 +120,11 @@ class MessageRepository @Inject constructor(
         },
         query = { messagesDb.loadMessageWithAttachment(message.messageGlobalKey) },
         fetch = {
-            sdk.init(student).getMessageDetails(
-                messageKey = it!!.message.messageGlobalKey,
-                markAsRead = message.unread && markAsRead,
-            )
+            wulkanowySdkFactory.create(student)
+                .getMessageDetails(
+                    messageKey = message.messageGlobalKey,
+                    markAsRead = message.unread && markAsRead,
+                )
         },
         saveFetchResult = { old, new ->
             checkNotNull(old) { "Fetched message no longer exist!" }
@@ -159,19 +165,19 @@ class MessageRepository @Inject constructor(
         recipients: List<Recipient>,
         mailbox: Mailbox,
     ) {
-        sdk.init(student).sendMessage(
-            subject = subject,
-            content = content,
-            recipients = recipients.mapFromEntities(),
-            mailboxId = mailbox.globalKey,
-        )
+        wulkanowySdkFactory.create(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>) {
-        sdk.init(student).restoreMessages(
-            messages = messages.map { it.messageGlobalKey },
-        )
+        wulkanowySdkFactory.create(student)
+            .restoreMessages(messages = messages.map { it.messageGlobalKey })
 
         refreshFolders(student, mailbox)
     }
@@ -182,10 +188,11 @@ class MessageRepository @Inject constructor(
 
     suspend fun deleteMessages(student: Student, messages: List<Message>) {
         val firstMessage = messages.first()
-        sdk.init(student).deleteMessages(
-            messages = messages.map { it.messageGlobalKey },
-            removeForever = firstMessage.folderId == TRASHED.id,
-        )
+        wulkanowySdkFactory.create(student)
+            .deleteMessages(
+                messages = messages.map { it.messageGlobalKey },
+                removeForever = firstMessage.folderId == TRASHED.id,
+            )
 
         if (firstMessage.folderId != TRASHED.id) {
             val deletedMessages = messages.map {
@@ -230,7 +237,9 @@ class MessageRepository @Inject constructor(
         },
         query = { mailboxDao.loadAll(student.email, student.symbol, student.schoolSymbol) },
         fetch = {
-            sdk.init(student).getMailboxes().mapToEntities(student)
+            wulkanowySdkFactory.create(student)
+                .getMailboxes()
+                .mapToEntities(student)
         },
         saveFetchResult = { old, new ->
             mailboxDao.deleteAll(old uniqueSubtract new)

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

@@ -1,5 +1,6 @@
 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
@@ -8,11 +9,8 @@ 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
@@ -21,7 +19,7 @@ import javax.inject.Singleton
 @Singleton
 class MobileDeviceRepository @Inject constructor(
     private val mobileDb: MobileDeviceDao,
-    private val sdk: Sdk,
+    private val wulkanowySdkFactory: WulkanowySdkFactory,
     private val refreshHelper: AutoRefreshHelper,
 ) {
 
@@ -42,8 +40,7 @@ class MobileDeviceRepository @Inject constructor(
         },
         query = { mobileDb.loadAll(student.userLoginId) },
         fetch = {
-            sdk.init(student)
-                .switchSemester(semester)
+            wulkanowySdkFactory.create(student, semester)
                 .getRegisteredDevices()
                 .mapToEntities(student)
         },
@@ -57,16 +54,14 @@ class MobileDeviceRepository @Inject constructor(
     )
 
     suspend fun unregisterDevice(student: Student, semester: Semester, device: MobileDevice) {
-        sdk.init(student)
-            .switchSemester(semester)
+        wulkanowySdkFactory.create(student, semester)
             .unregisterDevice(device.deviceId)
 
         mobileDb.deleteAll(listOf(device))
     }
 
     suspend fun getToken(student: Student, semester: Semester): MobileDeviceToken {
-        return sdk.init(student)
-            .switchSemester(semester)
+        return wulkanowySdkFactory.create(student, semester)
             .getToken()
             .mapToMobileDeviceToken()
     }

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

@@ -1,16 +1,14 @@
 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.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
@@ -21,7 +19,7 @@ import javax.inject.Singleton
 @Singleton
 class NoteRepository @Inject constructor(
     private val noteDb: NoteDao,
-    private val sdk: Sdk,
+    private val wulkanowySdkFactory: WulkanowySdkFactory,
     private val refreshHelper: AutoRefreshHelper,
 ) {
 
@@ -45,8 +43,7 @@ class NoteRepository @Inject constructor(
         },
         query = { noteDb.loadAll(student.studentId) },
         fetch = {
-            sdk.init(student)
-                .switchSemester(semester)
+            wulkanowySdkFactory.create(student, semester)
                 .getNotes()
                 .mapToEntities(semester)
         },

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

@@ -10,6 +10,7 @@ import com.fredporciuncula.flow.preferences.Serializer
 import dagger.hilt.android.qualifiers.ApplicationContext
 import io.github.wulkanowy.R
 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
@@ -41,6 +42,27 @@ 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,

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

@@ -1,5 +1,6 @@
 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
@@ -7,10 +8,8 @@ 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.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
@@ -18,14 +17,15 @@ import javax.inject.Singleton
 @Singleton
 class RecipientRepository @Inject constructor(
     private val recipientDb: RecipientDao,
-    private val sdk: Sdk,
+    private val wulkanowySdkFactory: WulkanowySdkFactory,
     private val refreshHelper: AutoRefreshHelper,
 ) {
 
     private val cacheKey = "recipient"
 
     suspend fun refreshRecipients(student: Student, mailbox: Mailbox, type: MailboxType) {
-        val new = sdk.init(student).getRecipients(mailbox.globalKey)
+        val new = wulkanowySdkFactory.create(student)
+            .getRecipients(mailbox.globalKey)
             .mapToEntities(mailbox.globalKey)
         val old = recipientDb.loadAll(type, mailbox.globalKey)
 
@@ -60,7 +60,7 @@ class RecipientRepository @Inject constructor(
     ): List<Recipient> {
         mailbox ?: return emptyList()
 
-        return sdk.init(student)
+        return wulkanowySdkFactory.create(student)
             .getMessageReplayDetails(message.messageGlobalKey)
             .sender
             .let(::listOf)

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

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

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

@@ -1,14 +1,13 @@
 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
@@ -18,7 +17,7 @@ import javax.inject.Singleton
 @Singleton
 class SchoolAnnouncementRepository @Inject constructor(
     private val schoolAnnouncementDb: SchoolAnnouncementDao,
-    private val sdk: Sdk,
+    private val wulkanowySdkFactory: WulkanowySdkFactory,
     private val refreshHelper: AutoRefreshHelper,
 ) {
 
@@ -41,7 +40,7 @@ class SchoolAnnouncementRepository @Inject constructor(
             schoolAnnouncementDb.loadAll(student.userLoginId)
         },
         fetch = {
-            val sdk = sdk.init(student)
+            val sdk = wulkanowySdkFactory.create(student)
             val lastAnnouncements = sdk.getLastAnnouncements().mapToEntities(student)
             val directorInformation = sdk.getDirectorInformation().mapToEntities(student)
             lastAnnouncements + directorInformation

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

@@ -1,15 +1,13 @@
 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
@@ -17,7 +15,7 @@ import javax.inject.Singleton
 @Singleton
 class SchoolRepository @Inject constructor(
     private val schoolDb: SchoolDao,
-    private val sdk: Sdk,
+    private val wulkanowySdkFactory: WulkanowySdkFactory,
     private val refreshHelper: AutoRefreshHelper,
 ) {
 
@@ -40,8 +38,7 @@ class SchoolRepository @Inject constructor(
         },
         query = { schoolDb.load(semester.studentId, semester.classId) },
         fetch = {
-            sdk.init(student)
-                .switchSemester(semester)
+            wulkanowySdkFactory.create(student, semester)
                 .getSchool()
                 .mapToEntity(semester)
         },

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

@@ -1,17 +1,15 @@
 package io.github.wulkanowy.data.repositories
 
+import io.github.wulkanowy.data.WulkanowySdkFactory
 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
@@ -23,7 +21,7 @@ import kotlin.time.Duration.Companion.seconds
 class SchoolsRepository @Inject constructor(
     private val integrityHelper: IntegrityHelper,
     private val schoolsService: SchoolsService,
-    private val sdk: Sdk,
+    private val wulkanowySdkFactory: WulkanowySdkFactory,
 ) {
 
     suspend fun logSchoolLogin(loginData: LoginData, students: List<StudentWithSemesters>) {
@@ -40,10 +38,9 @@ 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 = sdk
-            .init(student.copy(password = loginData.password))
-            .switchSemester(semester)
+        val schoolInfo = wulkanowySdkFactory.create(updatedStudent, semester)
             .getSchool()
 
         schoolsService.logLoginEvent(

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

@@ -1,5 +1,6 @@
 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
@@ -7,7 +8,6 @@ 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.init
 import io.github.wulkanowy.utils.isCurrent
 import io.github.wulkanowy.utils.uniqueSubtract
 import kotlinx.coroutines.withContext
@@ -18,7 +18,7 @@ import javax.inject.Singleton
 @Singleton
 class SemesterRepository @Inject constructor(
     private val semesterDb: SemesterDao,
-    private val sdk: Sdk,
+    private val wulkanowySdkFactory: WulkanowySdkFactory,
     private val dispatchers: DispatchersProvider,
 ) {
 
@@ -60,7 +60,10 @@ class SemesterRepository @Inject constructor(
     }
 
     private suspend fun refreshSemesters(student: Student) {
-        val new = sdk.init(student).getSemesters().mapToEntities(student.studentId)
+        val new = wulkanowySdkFactory.create(student)
+            .getSemesters()
+            .mapToEntities(student.studentId)
+
         if (new.isEmpty()) return Timber.i("Empty semester list!")
 
         val old = semesterDb.loadAll(student.studentId, student.classId)

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

@@ -1,13 +1,11 @@
 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
@@ -15,7 +13,7 @@ import javax.inject.Singleton
 @Singleton
 class StudentInfoRepository @Inject constructor(
     private val studentInfoDao: StudentInfoDao,
-    private val sdk: Sdk,
+    private val wulkanowySdkFactory: WulkanowySdkFactory,
 ) {
 
     private val saveFetchResultMutex = Mutex()
@@ -30,9 +28,9 @@ class StudentInfoRepository @Inject constructor(
         shouldFetch = { it == null || forceRefresh },
         query = { studentInfoDao.loadStudentInfo(student.studentId) },
         fetch = {
-            sdk.init(student)
-                .switchSemester(semester)
-                .getStudentInfo().mapToEntity(semester)
+            wulkanowySdkFactory.create(student, semester)
+                .getStudentInfo()
+                .mapToEntity(semester)
         },
         saveFetchResult = { old, new ->
             if (old != null && new != old) {

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

@@ -1,6 +1,7 @@
 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
@@ -14,9 +15,7 @@ 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 javax.inject.Inject
 import javax.inject.Singleton
@@ -26,7 +25,7 @@ class StudentRepository @Inject constructor(
     private val dispatchers: DispatchersProvider,
     private val studentDb: StudentDao,
     private val semesterDb: SemesterDao,
-    private val sdk: Sdk,
+    private val wulkanowySdkFactory: WulkanowySdkFactory,
     private val appDatabase: AppDatabase,
     private val scrambler: Scrambler,
 ) {
@@ -37,7 +36,7 @@ class StudentRepository @Inject constructor(
         pin: String,
         symbol: String,
         token: String
-    ): RegisterUser = sdk
+    ): RegisterUser = wulkanowySdkFactory.create()
         .getStudentsFromHebe(token, pin, symbol, "")
         .mapToPojo(null)
 
@@ -47,7 +46,7 @@ class StudentRepository @Inject constructor(
         scrapperBaseUrl: String,
         domainSuffix: String,
         symbol: String
-    ): RegisterUser = sdk
+    ): RegisterUser = wulkanowySdkFactory.create()
         .getUserSubjectsFromScrapper(email, password, scrapperBaseUrl, domainSuffix, symbol)
         .mapToPojo(password)
 
@@ -56,7 +55,7 @@ class StudentRepository @Inject constructor(
         password: String,
         scrapperBaseUrl: String,
         symbol: String
-    ): RegisterUser = sdk
+    ): RegisterUser = wulkanowySdkFactory.create()
         .getStudentsHybrid(email, password, scrapperBaseUrl, "", symbol)
         .mapToPojo(password)
 
@@ -149,13 +148,11 @@ class StudentRepository @Inject constructor(
         .distinctBy { it.student.studentName }.size == 1
 
     suspend fun authorizePermission(student: Student, semester: Semester, pesel: String) =
-        sdk.init(student)
-            .switchSemester(semester)
+        wulkanowySdkFactory.create(student, semester)
             .authorizePermission(pesel)
 
     suspend fun refreshStudentName(student: Student, semester: Semester) {
-        val newCurrentApiStudent = sdk.init(student)
-            .switchSemester(semester)
+        val newCurrentApiStudent = wulkanowySdkFactory.create(student, semester)
             .getCurrentStudent() ?: return
 
         val studentName = StudentName(

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

@@ -1,15 +1,13 @@
 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
@@ -18,7 +16,7 @@ import javax.inject.Singleton
 @Singleton
 class SubjectRepository @Inject constructor(
     private val subjectDao: SubjectDao,
-    private val sdk: Sdk,
+    private val wulkanowySdkFactory: WulkanowySdkFactory,
     private val refreshHelper: AutoRefreshHelper,
 ) {
 
@@ -39,8 +37,7 @@ class SubjectRepository @Inject constructor(
         },
         query = { subjectDao.loadAll(semester.diaryId, semester.studentId) },
         fetch = {
-            sdk.init(student)
-                .switchSemester(semester)
+            wulkanowySdkFactory.create(student, semester)
                 .getSubjects()
                 .mapToEntities(semester)
         },

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

@@ -1,15 +1,13 @@
 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
@@ -18,7 +16,7 @@ import javax.inject.Singleton
 @Singleton
 class TeacherRepository @Inject constructor(
     private val teacherDb: TeacherDao,
-    private val sdk: Sdk,
+    private val wulkanowySdkFactory: WulkanowySdkFactory,
     private val refreshHelper: AutoRefreshHelper,
 ) {
 
@@ -39,8 +37,7 @@ class TeacherRepository @Inject constructor(
         },
         query = { teacherDb.loadAll(semester.studentId, semester.classId) },
         fetch = {
-            sdk.init(student)
-                .switchSemester(semester)
+            wulkanowySdkFactory.create(student, semester)
                 .getTeachers()
                 .mapToEntities(semester)
         },

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

@@ -1,5 +1,6 @@
 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
@@ -11,14 +12,11 @@ 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.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
@@ -33,7 +31,7 @@ class TimetableRepository @Inject constructor(
     private val timetableDb: TimetableDao,
     private val timetableAdditionalDb: TimetableAdditionalDao,
     private val timetableHeaderDb: TimetableHeaderDao,
-    private val sdk: Sdk,
+    private val wulkanowySdkFactory: WulkanowySdkFactory,
     private val schedulerHelper: TimetableNotificationSchedulerHelper,
     private val refreshHelper: AutoRefreshHelper,
 ) {
@@ -74,8 +72,7 @@ class TimetableRepository @Inject constructor(
         },
         query = { getFullTimetableFromDatabase(student, semester, start, end) },
         fetch = {
-            val timetableFull = sdk.init(student)
-                .switchSemester(semester)
+            val timetableFull = wulkanowySdkFactory.create(student, semester)
                 .getTimetable(start.monday, end.sunday)
 
             timetableFull.mapToEntities(semester)

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

@@ -0,0 +1,106 @@
+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/ui/base/BaseActivity.kt

@@ -1,6 +1,7 @@
 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
@@ -45,11 +46,19 @@ abstract class BaseActivity<T : BasePresenter<out BaseView>, VB : ViewBinding> :
         themeManager.applyActivityTheme(this)
         super.onCreate(savedInstanceState)
         supportFragmentManager.registerFragmentLifecycleCallbacks(fragmentLifecycleLogger, true)
+        applyCustomTaskDescription()
+    }
 
-        @Suppress("DEPRECATION")
-        setTaskDescription(
-            ActivityManager.TaskDescription(null, null, getThemeAttrColor(R.attr.colorSurface))
-        )
+    @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)
+        }
     }
 
     override fun showError(text: String, error: Throwable) {

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

@@ -1,5 +1,6 @@
 package io.github.wulkanowy.ui.modules.attendance
 
+import android.content.res.ColorStateList
 import android.graphics.Typeface
 import android.view.LayoutInflater
 import android.view.View
@@ -33,17 +34,17 @@ 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 {
-                root.context.getString(R.string.all_no_data)
-            }
+            attendanceItemSubject.text = item.subject
+                .ifBlank { context.getString(R.string.all_no_data) }
             attendanceItemDescription.setText(item.descriptionRes)
 
             attendanceItemDescription.setTextColor(
-                root.context.getThemeAttrColor(
+                context.getThemeAttrColor(
                     when {
                         item.absence && !item.excused -> R.attr.colorAttendanceAbsence
                         item.lateness && !item.excused -> R.attr.colorAttendanceLateness
@@ -61,13 +62,15 @@ class AttendanceAdapter @Inject constructor() :
             attendanceItemAlert.isVisible =
                 item.let { (it.absence && !it.excused) || (it.lateness && !it.excused) }
 
-            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
-                }
-            ))
+            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
+                    }
+                )
+            )
             attendanceItemNumber.visibility = View.GONE
             attendanceItemExcuseInfo.visibility = View.GONE
             attendanceItemExcuseCheckbox.visibility = View.GONE

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

@@ -14,6 +14,7 @@ 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
@@ -134,6 +135,7 @@ 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
     }
 
@@ -253,6 +255,10 @@ 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)
     }

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

@@ -1,16 +1,36 @@
 package io.github.wulkanowy.ui.modules.attendance
 
 import android.annotation.SuppressLint
-import io.github.wulkanowy.data.*
+import io.github.wulkanowy.data.Resource
 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.*
+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 kotlinx.coroutines.flow.firstOrNull
 import kotlinx.coroutines.flow.onEach
 import timber.log.Timber
@@ -195,6 +215,11 @@ 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")
 

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

@@ -56,6 +56,8 @@ interface AttendanceView : BaseView {
 
     fun openSummaryView()
 
+    fun openCalculatorView()
+
     fun startSendMessageIntent(date: LocalDate, numbers: String, reason: String)
 
     fun startActionMode()

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

@@ -0,0 +1,67 @@
+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

@@ -0,0 +1,105 @@
+package io.github.wulkanowy.ui.modules.attendance.calculator
+
+import android.os.Bundle
+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.MainView
+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()
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+        binding = FragmentAttendanceCalculatorBinding.bind(view)
+        messageContainer = binding.attendanceCalculatorRecycler
+        presenter.onAttachView(this)
+    }
+
+    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

@@ -0,0 +1,84 @@
+package io.github.wulkanowy.ui.modules.attendance.calculator
+
+import io.github.wulkanowy.data.*
+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)
+        }
+    }
+}

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

@@ -0,0 +1,29 @@
+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()
+}

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

@@ -78,4 +78,9 @@ 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/captcha/CaptchaDialog.kt

@@ -10,8 +10,8 @@ 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
@@ -21,7 +21,7 @@ import javax.inject.Inject
 class CaptchaDialog : BaseDialogFragment<DialogCaptchaBinding>() {
 
     @Inject
-    lateinit var sdk: Sdk
+    lateinit var wulkanowySdkFactory: WulkanowySdkFactory
 
     @Inject
     lateinit var webkitCookieManagerProxy: WebkitCookieManagerProxy
@@ -59,7 +59,7 @@ class CaptchaDialog : BaseDialogFragment<DialogCaptchaBinding>() {
             webView = this
             with(settings) {
                 javaScriptEnabled = true
-                userAgentString = sdk.userAgent
+                userAgentString = wulkanowySdkFactory.create().userAgent
             }
 
             webViewClient = object : WebViewClient() {

app/src/main/java/io/github/wulkanowy/ui/modules/message/mailboxchooser/MailboxChooserDialog.kt

@@ -47,7 +47,6 @@ class MailboxChooserDialog : BaseDialogFragment<DialogMailboxChooserBinding>(),
     }
 
 
-    @Suppress("UNCHECKED_CAST")
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
         presenter.onAttachView(

app/src/main/java/io/github/wulkanowy/ui/modules/message/preview/MessagePreviewFragment.kt

@@ -82,10 +82,10 @@ class MessagePreviewFragment :
         get() = getString(R.string.message_not_exists)
 
     companion object {
-        const val MESSAGE_ID_KEY = "message_id"
+        private const val MESSAGE_ARG_KEY = "message"
 
         fun newInstance(message: Message) = MessagePreviewFragment().apply {
-            arguments = bundleOf(MESSAGE_ID_KEY to message)
+            arguments = bundleOf(MESSAGE_ARG_KEY to message)
         }
     }
 
@@ -101,7 +101,7 @@ class MessagePreviewFragment :
         messageContainer = binding.messagePreviewContainer
         presenter.onAttachView(
             view = this,
-            message = (savedInstanceState ?: arguments)?.serializable(MESSAGE_ID_KEY),
+            message = requireArguments().serializable(MESSAGE_ARG_KEY),
         )
     }
 
@@ -233,11 +233,6 @@ class MessagePreviewFragment :
         (activity as MainActivity).popView()
     }
 
-    override fun onSaveInstanceState(outState: Bundle) {
-        outState.putSerializable(MESSAGE_ID_KEY, presenter.messageWithAttachments)
-        super.onSaveInstanceState(outState)
-    }
-
     override fun onDestroyView() {
         presenter.onDetachView()
         super.onDestroyView()

app/src/main/java/io/github/wulkanowy/ui/modules/message/preview/MessagePreviewPresenter.kt

@@ -3,10 +3,15 @@ package io.github.wulkanowy.ui.modules.message.preview
 import android.annotation.SuppressLint
 import androidx.core.text.parseAsHtml
 import io.github.wulkanowy.R
-import io.github.wulkanowy.data.*
 import io.github.wulkanowy.data.db.entities.Message
 import io.github.wulkanowy.data.db.entities.MessageWithAttachment
 import io.github.wulkanowy.data.enums.MessageFolder
+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.onResourceNotLoading
+import io.github.wulkanowy.data.onResourceSuccess
 import io.github.wulkanowy.data.repositories.MessageRepository
 import io.github.wulkanowy.data.repositories.PreferencesRepository
 import io.github.wulkanowy.data.repositories.StudentRepository
@@ -28,17 +33,17 @@ class MessagePreviewPresenter @Inject constructor(
     private val analytics: AnalyticsHelper
 ) : BasePresenter<MessagePreviewView>(errorHandler, studentRepository) {
 
-    var messageWithAttachments: MessageWithAttachment? = null
+    private var messageWithAttachments: MessageWithAttachment? = null
 
     private lateinit var lastError: Throwable
 
     private var retryCallback: () -> Unit = {}
 
-    fun onAttachView(view: MessagePreviewView, message: Message?) {
+    fun onAttachView(view: MessagePreviewView, message: Message) {
         super.onAttachView(view)
         view.initView()
         errorHandler.showErrorMessage = ::showErrorViewOnError
-        loadData(requireNotNull(message))
+        loadData(message)
     }
 
     private fun onMessageLoadRetry(message: Message) {

app/src/main/java/io/github/wulkanowy/ui/modules/settings/appearance/AppearanceFragment.kt

@@ -4,6 +4,7 @@ import android.content.SharedPreferences
 import android.os.Bundle
 import android.view.View
 import androidx.preference.PreferenceFragmentCompat
+import androidx.preference.SeekBarPreference
 import com.yariksoffice.lingver.Lingver
 import dagger.hilt.android.AndroidEntryPoint
 import io.github.wulkanowy.R
@@ -36,6 +37,15 @@ class AppearanceFragment : PreferenceFragmentCompat(),
 
     override fun onCreatePreferences(savedInstanceState: Bundle?, rootKey: String?) {
         setPreferencesFromResource(R.xml.scheme_preferences_appearance, rootKey)
+        val attendanceTargetPref =
+            findPreference<SeekBarPreference>(requireContext().getString(R.string.pref_key_attendance_target))!!
+        attendanceTargetPref.setOnPreferenceChangeListener { _, newValueObj ->
+            val newValue = (((newValueObj as Int).toDouble() + 2.5) / 5).toInt() * 5
+            attendanceTargetPref.value =
+                newValue.coerceIn(attendanceTargetPref.min, attendanceTargetPref.max)
+
+            false
+        }
     }
 
     override fun onSharedPreferenceChanged(sharedPreferences: SharedPreferences?, key: String?) {

app/src/main/java/io/github/wulkanowy/utils/AttendanceExtension.kt

@@ -10,19 +10,19 @@ import io.github.wulkanowy.sdk.scrapper.attendance.AttendanceCategory
  * (https://www.vulcan.edu.pl/vulcang_files/user/AABW/AABW-PDF/uonetplus/uonetplus_Frekwencja-liczby-obecnych-nieobecnych.pdf)
  */
 
-private inline val AttendanceSummary.allPresences: Double
-    get() = presence.toDouble() + absenceForSchoolReasons + lateness + latenessExcused
+inline val AttendanceSummary.allPresences: Int
+    get() = presence + absenceForSchoolReasons + lateness + latenessExcused
 
-private inline val AttendanceSummary.allAbsences: Double
-    get() = absence.toDouble() + absenceExcused
+inline val AttendanceSummary.allAbsences: Int
+    get() = absence + absenceExcused
 
 inline val Attendance.isExcusableOrNotExcused: Boolean
     get() = (excusable || ((absence || lateness) && !excused)) && excuseStatus == null
 
-fun AttendanceSummary.calculatePercentage() = calculatePercentage(allPresences, allAbsences)
+fun AttendanceSummary.calculatePercentage() = calculatePercentage(allPresences.toDouble(), allAbsences.toDouble())
 
 fun List<AttendanceSummary>.calculatePercentage(): Double {
-    return calculatePercentage(sumOf { it.allPresences }, sumOf { it.allAbsences })
+    return calculatePercentage(sumOf { it.allPresences.toDouble() }, sumOf { it.allAbsences.toDouble() })
 }
 
 private fun calculatePercentage(presence: Double, absence: Double): Double {

app/src/main/java/io/github/wulkanowy/utils/BundleExtension.kt

@@ -4,30 +4,31 @@ import android.content.Intent
 import android.os.Build
 import android.os.Bundle
 import android.os.Parcelable
+import androidx.core.os.BundleCompat
 import java.io.Serializable
 
+// Even though API was introduced in 33, we use 34 as 33 is bugged in some scenarios.
+
 inline fun <reified T : Serializable> Bundle.serializable(key: String): T = when {
-    Build.VERSION.SDK_INT >= 33 -> getSerializable(key, T::class.java)!!
+    Build.VERSION.SDK_INT >= 34 -> getSerializable(key, T::class.java)!!
     else -> @Suppress("DEPRECATION") getSerializable(key) as T
 }
 
 inline fun <reified T : Serializable> Bundle.nullableSerializable(key: String): T? = when {
-    Build.VERSION.SDK_INT >= 33 -> getSerializable(key, T::class.java)
+    Build.VERSION.SDK_INT >= 34 -> getSerializable(key, T::class.java)
     else -> @Suppress("DEPRECATION") getSerializable(key) as T?
 }
 
 @Suppress("UNCHECKED_CAST")
-inline fun <reified T : Parcelable> Bundle.parcelableArray(key: String): Array<T>? = when {
-    Build.VERSION.SDK_INT >= 33 -> getParcelableArray(key, T::class.java)
-    else -> @Suppress("DEPRECATION") getParcelableArray(key) as Array<T>?
-}
+inline fun <reified T : Parcelable> Bundle.parcelableArray(key: String): Array<T>? =
+    BundleCompat.getParcelableArray(this, key, T::class.java) as Array<T>?
 
 inline fun <reified T : Serializable> Intent.serializable(key: String): T = when {
-    Build.VERSION.SDK_INT >= 33 -> getSerializableExtra(key, T::class.java)!!
+    Build.VERSION.SDK_INT >= 34 -> getSerializableExtra(key, T::class.java)!!
     else -> @Suppress("DEPRECATION") getSerializableExtra(key) as T
 }
 
 inline fun <reified T : Serializable> Intent.nullableSerializable(key: String): T? = when {
-    Build.VERSION.SDK_INT >= 33 -> getSerializableExtra(key, T::class.java)
+    Build.VERSION.SDK_INT >= 34 -> getSerializableExtra(key, T::class.java)
     else -> @Suppress("DEPRECATION") getSerializableExtra(key) as T?
 }

app/src/main/java/io/github/wulkanowy/utils/SdkExtension.kt

@@ -1,42 +0,0 @@
-package io.github.wulkanowy.utils
-
-import io.github.wulkanowy.data.db.entities.Semester
-import io.github.wulkanowy.data.db.entities.Student
-import io.github.wulkanowy.sdk.Sdk
-import timber.log.Timber
-
-fun Sdk.init(student: Student): Sdk {
-    email = student.email
-    password = student.password
-    symbol = student.symbol
-    schoolSymbol = student.schoolSymbol
-    studentId = student.studentId
-    classId = student.classId
-    emptyCookieJarInterceptor = true
-
-    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
-
-    Timber.d("Sdk in ${student.loginMode} mode reinitialized")
-
-    return this
-}
-
-fun Sdk.switchSemester(semester: Semester): Sdk {
-    return switchDiary(
-        diaryId = semester.diaryId,
-        kindergartenDiaryId = semester.kindergartenDiaryId,
-        schoolYear = semester.schoolYear,
-        unitId = semester.unitId,
-    )
-}

app/src/main/play/release-notes/pl-PL/default.txt

@@ -1,4 +1,4 @@
-Wersja 2.5.0
+Wersja 2.5.1
 
 — dodaliśmy wyświetlanie ogłoszeń
 — dodaliśmy opcję przywracania wiadomości z kosza

app/src/main/res/drawable/ic_menu_attendance_calculator.xml

@@ -0,0 +1,5 @@
+<vector android:height="24dp" android:tint="#FFFFFF"
+    android:viewportHeight="24" android:viewportWidth="24"
+    android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
+    <path android:fillColor="@android:color/white" android:pathData="M19,7H9C7.9,7 7,7.9 7,9v10c0,1.1 0.9,2 2,2h10c1.1,0 2,-0.9 2,-2V9C21,7.9 20.1,7 19,7zM19,9v2H9V9H19zM13,15v-2h2v2H13zM15,17v2h-2v-2H15zM11,15H9v-2h2V15zM17,13h2v2h-2V13zM9,17h2v2H9V17zM17,19v-2h2v2H17zM6,17H5c-1.1,0 -2,-0.9 -2,-2V5c0,-1.1 0.9,-2 2,-2h10c1.1,0 2,0.9 2,2v1h-2V5H5v10h1V17z"/>
+</vector>

app/src/main/res/layout/fragment_attendance_calculator.xml

@@ -0,0 +1,103 @@
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".ui.modules.attendance.calculator.AttendanceCalculatorFragment">
+
+    <androidx.swiperefreshlayout.widget.SwipeRefreshLayout
+        android:id="@+id/attendanceCalculatorSwipe"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent">
+
+        <androidx.recyclerview.widget.RecyclerView
+            android:id="@+id/attendanceCalculatorRecycler"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            tools:listitem="@layout/item_attendance_calculator_header" />
+    </androidx.swiperefreshlayout.widget.SwipeRefreshLayout>
+
+    <com.google.android.material.progressindicator.CircularProgressIndicator
+        android:id="@+id/attendanceCalculatorProgress"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center"
+        android:indeterminate="true"
+        tools:visibility="gone" />
+
+    <LinearLayout
+        android:id="@+id/attendanceCalculatorEmpty"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:gravity="center"
+        android:orientation="vertical"
+        android:visibility="invisible"
+        tools:ignore="UseCompoundDrawables">
+
+        <ImageView
+            android:layout_width="100dp"
+            android:layout_height="100dp"
+            app:srcCompat="@drawable/ic_main_attendance"
+            app:tint="?colorOnBackground"
+            tools:ignore="contentDescription" />
+
+        <TextView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="20dp"
+            android:gravity="center"
+            android:text="@string/attendance_no_items"
+            android:textSize="20sp" />
+    </LinearLayout>
+
+    <LinearLayout
+        android:id="@+id/attendanceCalculatorError"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:gravity="center"
+        android:orientation="vertical"
+        android:visibility="invisible"
+        tools:ignore="UseCompoundDrawables"
+        tools:visibility="invisible">
+
+        <ImageView
+            android:layout_width="100dp"
+            android:layout_height="100dp"
+            app:srcCompat="@drawable/ic_error"
+            app:tint="?colorOnBackground"
+            tools:ignore="contentDescription" />
+
+        <TextView
+            android:id="@+id/attendanceCalculatorErrorMessage"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="20dp"
+            android:gravity="center"
+            android:padding="8dp"
+            android:text="@string/error_unknown"
+            android:textSize="20sp" />
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="16dp"
+            android:gravity="center"
+            android:orientation="horizontal">
+
+            <com.google.android.material.button.MaterialButton
+                android:id="@+id/attendanceCalculatorErrorDetails"
+                style="@style/Widget.MaterialComponents.Button.OutlinedButton"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginEnd="8dp"
+                android:layout_marginRight="8dp"
+                android:text="@string/all_details" />
+
+            <com.google.android.material.button.MaterialButton
+                android:id="@+id/attendanceCalculatorErrorRetry"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="@string/all_retry" />
+        </LinearLayout>
+    </LinearLayout>
+</FrameLayout>

app/src/main/res/layout/fragment_message.xml

@@ -29,7 +29,6 @@
 
     <com.google.android.material.floatingactionbutton.ExtendedFloatingActionButton
         android:id="@+id/openSendMessageButton"
-        style="@style/Widget.Material3.ExtendedFloatingActionButton.Secondary"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_gravity="bottom|end"

app/src/main/res/layout/item_attendance_calculator_header.xml

@@ -0,0 +1,111 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:paddingStart="8dp"
+    android:paddingTop="6dp"
+    android:paddingEnd="12dp"
+    android:paddingBottom="6dp">
+
+    <TextView
+        android:id="@+id/attendanceCalculatorPercentage"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:gravity="right|center_vertical"
+        android:minWidth="32dp"
+        android:minHeight="36dp"
+        android:textSize="22sp"
+        android:textStyle="bold"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        tools:text="50" />
+
+    <TextView
+        android:id="@+id/attendanceCalculatorPercentagePercentSign"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="%"
+        android:textColor="?android:textColorSecondary"
+        app:layout_constraintBaseline_toBaselineOf="@+id/attendanceCalculatorPercentage"
+        app:layout_constraintStart_toEndOf="@+id/attendanceCalculatorPercentage" />
+
+    <TextView
+        android:id="@+id/attendanceCalculatorSummaryValues"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:gravity="left"
+        android:maxLines="1"
+        android:textColor="?android:textColorSecondary"
+        android:textSize="13sp"
+        app:layout_constraintEnd_toStartOf="@+id/attendanceCalculatorSummaryDot"
+        app:layout_constraintHorizontal_bias="0.0"
+        app:layout_constraintHorizontal_chainStyle="packed"
+        app:layout_constraintStart_toStartOf="@+id/attendanceCalculatorTitle"
+        app:layout_constraintTop_toBottomOf="@+id/attendanceCalculatorTitle"
+        tools:text="11/123 obecności" />
+
+    <TextView
+        android:id="@+id/attendanceCalculatorSummaryDot"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginHorizontal="4dp"
+        android:gravity="center"
+        android:text="·"
+        android:textColor="?android:textColorSecondary"
+        android:textSize="13sp"
+        app:layout_constraintEnd_toStartOf="@+id/attendanceCalculatorSummaryBalance"
+        app:layout_constraintHorizontal_bias="0.0"
+        app:layout_constraintStart_toEndOf="@+id/attendanceCalculatorSummaryValues"
+        app:layout_constraintTop_toBottomOf="@+id/attendanceCalculatorTitle" />
+
+    <TextView
+        android:id="@+id/attendanceCalculatorSummaryBalance"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:gravity="left"
+        android:maxLines="1"
+        android:minWidth="24dp"
+        android:textColor="?android:textColorSecondary"
+        android:textSize="13sp"
+        app:layout_constraintEnd_toStartOf="@+id/attendanceCalculatorWarning"
+        app:layout_constraintHorizontal_bias="0"
+        app:layout_constraintHorizontal_chainStyle="packed"
+        app:layout_constraintStart_toEndOf="@+id/attendanceCalculatorSummaryDot"
+        app:layout_constraintTop_toBottomOf="@+id/attendanceCalculatorTitle"
+        tools:text="12 powyżej celu" />
+
+    <TextView
+        android:id="@+id/attendanceCalculatorTitle"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="10dp"
+        android:layout_marginEnd="8dp"
+        android:ellipsize="end"
+        android:maxLines="1"
+        android:textSize="16sp"
+        android:textStyle="bold"
+        app:layout_constraintEnd_toStartOf="@+id/attendanceCalculatorWarning"
+        app:layout_constraintStart_toEndOf="@+id/attendanceCalculatorPercentagePercentSign"
+        app:layout_constraintTop_toTopOf="parent"
+        tools:text="Informatyka" />
+
+    <ImageView
+        android:id="@+id/attendanceCalculatorWarning"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:contentDescription=""
+        android:layout_marginStart="12dp"
+        android:gravity="center_vertical|right"
+        android:minWidth="24dp"
+        android:visibility="gone"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:srcCompat="@drawable/ic_all_round_mark"
+        app:tint="?colorPrimary"
+        tools:visibility="visible" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>

app/src/main/res/layout/pref_target_attendance.xml

@@ -0,0 +1,140 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+Taken from https://android.googlesource.com/platform/frameworks/support/+/refs/heads/androidx-camerax-release/preference/preference/res/layout/preference_widget_seekbar_material.xml.
+
+  ~ Copyright (C) 2018 The Android Open Source Project
+  ~
+  ~ Licensed under the Apache License, Version 2.0 (the "License");
+  ~ you may not use this file except in compliance with the License.
+  ~ You may obtain a copy of the License at
+  ~
+  ~      http://www.apache.org/licenses/LICENSE-2.0
+  ~
+  ~ Unless required by applicable law or agreed to in writing, software
+  ~ distributed under the License is distributed on an "AS IS" BASIS,
+  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  ~ See the License for the specific language governing permissions and
+  ~ limitations under the License.
+  -->
+<!-- Layout used by SeekBarPreference for the seekbar widget style. -->
+<LinearLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:minHeight="?android:attr/listPreferredItemHeightSmall"
+    android:gravity="center_vertical"
+    android:paddingLeft="?android:attr/listPreferredItemPaddingLeft"
+    android:paddingStart="?android:attr/listPreferredItemPaddingStart"
+    android:paddingRight="?android:attr/listPreferredItemPaddingRight"
+    android:paddingEnd="?android:attr/listPreferredItemPaddingEnd"
+    android:background="?android:attr/selectableItemBackground"
+    android:clipChildren="false"
+    android:clipToPadding="false"
+    android:baselineAligned="false">
+    <include layout="@layout/image_frame"/>
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:orientation="vertical"
+        android:layout_marginTop="8dp"
+        android:layout_marginBottom="8dp"
+        android:clipChildren="false"
+        android:clipToPadding="false">
+        <RelativeLayout
+            android:layout_width="wrap_content"
+            android:layout_height="0dp"
+            android:layout_weight="1">
+            <TextView
+                android:id="@android:id/title"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:singleLine="true"
+                android:textAppearance="?android:attr/textAppearanceListItem"
+                android:ellipsize="marquee"/>
+            <TextView
+                android:id="@android:id/summary"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_below="@android:id/title"
+                android:layout_alignLeft="@android:id/title"
+                android:layout_alignStart="@android:id/title"
+                android:layout_gravity="start"
+                android:textAlignment="viewStart"
+                android:textColor="?android:attr/textColorSecondary"
+                android:maxLines="4"
+                style="@style/PreferenceSummaryTextStyle"/>
+        </RelativeLayout>
+        <!-- Using UnPressableLinearLayout as a workaround to disable the pressed state propagation
+        to the children of this container layout. Otherwise, the animated pressed state will also
+        play for the thumb in the AbsSeekBar in addition to the preference's ripple background.
+        The background of the SeekBar is also set to null to disable the ripple background -->
+        <androidx.preference.UnPressableLinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:gravity="center_vertical"
+            android:paddingLeft="0dp"
+            android:paddingStart="0dp"
+            android:paddingRight="16dp"
+            android:paddingEnd="16dp"
+            android:clipChildren="false"
+            android:clipToPadding="false">
+            <!-- The total height of the Seekbar widget's area should be 48dp - this allows for an
+            increased touch area so you do not need to exactly tap the thumb to move it. However,
+            setting the Seekbar height directly causes the thumb and seekbar to be misaligned on
+            API 22 and 23 - so instead we just set 15dp padding above and below, to account for the
+            18dp default height of the Seekbar thumb for a total of 48dp.
+            Note: we set 0dp padding at the start and end of this seekbar to allow it to properly
+            fit into the layout, but this means that there's no leeway on either side for touch
+            input - this might be something we should reconsider down the line. -->
+            <SeekBar
+                android:id="@+id/seekbar"
+                android:layout_width="0dp"
+                android:layout_weight="1"
+                android:layout_height="wrap_content"
+                android:paddingLeft="@dimen/preference_seekbar_padding_horizontal"
+                android:paddingStart="@dimen/preference_seekbar_padding_horizontal"
+                android:paddingRight="@dimen/preference_seekbar_padding_horizontal"
+                android:paddingEnd="@dimen/preference_seekbar_padding_horizontal"
+                android:paddingTop="@dimen/preference_seekbar_padding_vertical"
+                android:paddingBottom="@dimen/preference_seekbar_padding_vertical"
+
+                android:background="@null"/>
+            <!-- If the value is shown, we reserve a minimum width of 36dp to allow for consistent
+            seekbar width for smaller values. If the value is ~4 or more digits, it will expand
+            into the seekbar width. -->
+            <TextView
+                android:id="@+id/seekbar_value"
+                android:minWidth="@dimen/preference_seekbar_value_minWidth"
+                android:paddingLeft="8dp"
+                android:paddingStart="8dp"
+                android:paddingRight="0dp"
+                android:paddingEnd="0dp"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:gravity="right"
+                android:singleLine="true"
+                android:textAppearance="?android:attr/textAppearanceListItem"
+                android:ellipsize="marquee"
+                android:fadingEdge="horizontal"
+                android:scrollbars="none"/>
+            <!-- Wulkanowy start -->
+            <TextView
+                android:minWidth="0dp"
+                android:paddingLeft="0dp"
+                android:paddingStart="0dp"
+                android:paddingRight="0dp"
+                android:paddingEnd="0dp"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:gravity="left"
+                android:singleLine="true"
+                android:textAppearance="?android:attr/textAppearanceListItem"
+                android:ellipsize="marquee"
+                android:fadingEdge="horizontal"
+                android:scrollbars="none"
+                android:text="%"
+                />
+            <!-- Wulkanowy end -->
+        </androidx.preference.UnPressableLinearLayout>
+    </LinearLayout>
+</LinearLayout>

app/src/main/res/menu/action_menu_attendance.xml

@@ -1,6 +1,13 @@
 <?xml version="1.0" encoding="utf-8"?>
 <menu xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto">
+    <item
+        android:id="@+id/attendanceMenuCalculator"
+        android:icon="@drawable/ic_menu_attendance_calculator"
+        android:orderInCategory="0"
+        android:title="@string/attendance_calculator_button"
+        app:iconTint="@color/material_on_surface_emphasis_medium"
+        app:showAsAction="ifRoom" />
     <item
         android:id="@+id/attendanceMenuSummary"
         android:icon="@drawable/ic_menu_attendance_summary"

app/src/main/res/values-cs/preferences_values.xml

@@ -1,5 +1,10 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources xmlns:tools="http://schemas.android.com/tools">
+    <string name="sort_alphabetically">Abecedně</string>
+    <string name="sort_by_date">Podle data</string>
+    <string name="sort_by_average">Podle průměru</string>
+    <string name="sort_by_attendance_percentage">Podle procenta docházky</string>
+    <string name="sort_by_subject_attendance_balance">Podle rovnováhy docházky předmětu</string>
     <string-array name="app_theme_entries" tools:ignore="InconsistentArrays">
         <item>Světlý</item>
         <item>Tmavý</item>
@@ -31,11 +36,6 @@
         <item>0,5</item>
         <item>0,75</item>
     </string-array>
-    <string-array name="grade_sorting_mode_entries">
-        <item>Abecedně</item>
-        <item>Podle data</item>
-        <item>Podle průměru</item>
-    </string-array>
     <string-array name="grade_color_scheme_entries">
         <item>Dzienniczek+</item>
         <item>Wulkanowy</item>
@@ -59,7 +59,7 @@
     <string-array name="dashboard_tile_entries">
         <item>Šťastné číslo</item>
         <item>Nepřečtené zprávy</item>
-        <item>Frekvence</item>
+        <item>Docházka</item>
         <item>Lekce</item>
         <item>Známky</item>
         <item>Domácí úkoly</item>

app/src/main/res/values-cs/strings.xml

@@ -4,7 +4,7 @@
     <string name="login_title">Přihlášení</string>
     <string name="main_title">Wulkanowy</string>
     <string name="grade_title">Známky</string>
-    <string name="attendance_title">Frekvence</string>
+    <string name="attendance_title">Docházka</string>
     <string name="exam_title">Zkoušky</string>
     <string name="timetable_title">Plán lekce</string>
     <string name="settings_title">Nastavení</string>
@@ -64,7 +64,7 @@
     <string name="login_symbol_helper">Symbol najdete na stránce deníku v &#160;<b>Uczeń</b>→&#160;<b>Dostęp Mobilny</b> →&#160;<b>Wygeneruj kod dostępu</b>.\n\nUjistěte se, že jste nastavili správnou variantu deníku v poli <b>Variace deníku UONET+</b> na první přihlašovací obrazovce</string>
     <string name="login_select_student">Vyberte žáky, kteří se mají do aplikace přihlásit</string>
     <string name="login_advanced">Jiné možnosti</string>
-    <string name="login_advanced_warning_mobile_api">V tomto režimu nefungují následující: šťastné číslo, statistiky třídy, shrnutí frekvencí, ospravedlnění nepřítomnosti, dokončené lekce, informace o škole a prohlížení seznamu registrovaných zařízení</string>
+    <string name="login_advanced_warning_mobile_api">V tomto režimu nefungují následující: šťastné číslo, statistiky třídy, shrnutí docházky, ospravedlnění nepřítomnosti, dokončené lekce, informace o škole a prohlížení seznamu registrovaných zařízení</string>
     <string name="login_advanced_warning_scraper">Tento režim zobrazuje stejná data, která se zobrazují na webových stránkách deníka</string>
     <string name="login_advanced_warning_hybrid">Kombinace nejlepších vlastností ostatních dvou režimů. Funguje rychleji než scraper a poskytuje funkce, které nejsou k dispozici v režimu Mobile API. Je to v experimentální fázi</string>
     <string name="login_privacy_policy">Ochrana osobních údajů</string>
@@ -264,7 +264,12 @@
     <string name="additional_lessons_end">Čas ukončení</string>
     <string name="additional_lessons_end_time_error">Čas ukončení musí být pozdější než čas zahájení</string>
     <!--Attendance-->
-    <string name="attendance_summary_button">Shrnutí frekvencí</string>
+    <string name="attendance_summary_button">Shrnutí docházky</string>
+    <string name="attendance_calculator_button">Kalkulačka docházky</string>
+    <string name="attendance_calculator_summary_balance_positive"><b>%1$d</b> nad cílem</string>
+    <string name="attendance_calculator_summary_balance_neutral">přesně v cíli</string>
+    <string name="attendance_calculator_summary_balance_negative"><b>%1$d</b> pod cílem</string>
+    <string name="attendance_calculator_summary_values">%1$d/%2$d přítomnosti</string>
     <string name="attendance_absence_school">Nepřítomnost ze školních důvodů</string>
     <string name="attendance_absence_excused">Omluvená nepřítomnost</string>
     <string name="attendance_absence_unexcused">Neomluvená nepřítomnost</string>
@@ -282,22 +287,22 @@
     <string name="attendance_excuse_no_selection">Musíte vybrat alespoň jednu nepřítomnost!</string>
     <string name="attendance_excuse_title">Ospravedlnit</string>
     <plurals name="attendance_notify_new_items_title">
-        <item quantity="one">Nové frekvence</item>
-        <item quantity="few">Nové frekvence</item>
-        <item quantity="many">Nové frekvence</item>
-        <item quantity="other">Nové frekvence</item>
+        <item quantity="one">Nová docházka</item>
+        <item quantity="few">Nové docházky</item>
+        <item quantity="many">Nové docházky</item>
+        <item quantity="other">Nové docházky</item>
     </plurals>
     <plurals name="attendance_notify_new_items">
-        <item quantity="one">%1$d nové frekvence</item>
-        <item quantity="few">%1$d nové frekvence</item>
-        <item quantity="many">%1$d nových frekvencí</item>
-        <item quantity="other">%1$d nových frekvencí</item>
+        <item quantity="one">%1$d nová docházka</item>
+        <item quantity="few">%1$d nové docházky</item>
+        <item quantity="many">%1$d nových docházek</item>
+        <item quantity="other">%1$d nových docházek</item>
     </plurals>
     <plurals name="attendance_number_item">
-        <item quantity="one">%d frekvence</item>
-        <item quantity="few">%d frekvence</item>
-        <item quantity="many">%d frekvencí</item>
-        <item quantity="other">%d frekvencí</item>
+        <item quantity="one">%d docházka</item>
+        <item quantity="few">%d docházky</item>
+        <item quantity="many">%d docházek</item>
+        <item quantity="other">%d docházek</item>
     </plurals>
     <!--Attendance summary-->
     <string name="attendance_summary_total">Společně</string>
@@ -731,6 +736,8 @@
     <string name="pref_view_grade_average_mode">Možnosti vypočítaného průměru</string>
     <string name="pref_view_grade_average_force_calc">Vynutit průměrný výpočet podle aplikace</string>
     <string name="pref_view_present">Zobrazit přítomnost</string>
+    <string name="pref_attendance_target">Cílová docházka</string>
+    <string name="pref_view_attendance_calculator_sorting_mode">Třídění kalkulačky docházky</string>
     <string name="pref_view_app_theme">Motiv</string>
     <string name="pref_view_expand_grade">Rozvíjení známek</string>
     <string name="pref_view_timetable_show_groups">Zobrazit skupiny vedle předmětů</string>
@@ -797,7 +804,7 @@
     <string name="pref_grades_appearance_header">Známky</string>
     <string name="pref_dashboard_appearance_header">Domů</string>
     <string name="pref_dashboard_appearance_tiles_title">Viditelnost dlaždic</string>
-    <string name="pref_attendance_appearance_view">Frekvence</string>
+    <string name="pref_attendance_appearance_view">Docházka</string>
     <string name="pref_timetable_appearance_view">Plán lekce</string>
     <string name="pref_grades_advanced_header">Známky</string>
     <string name="pref_counted_average_advanced_header">Vypočítaný průměr</string>
@@ -825,7 +832,7 @@
     <string name="channel_upcoming_lessons">Nadcházející lekce</string>
     <string name="channel_debug">Ladění</string>
     <string name="channel_change_timetable">Změny plánu lekcí</string>
-    <string name="channel_new_attendance">Nové frekvence</string>
+    <string name="channel_new_attendance">Nové docházky</string>
     <!--Colors-->
     <string name="all_black">Černá</string>
     <string name="all_red">Červená</string>
@@ -852,8 +859,8 @@
     <string name="auth_description">Pro provoz aplikace potřebujeme potvrdit vaši identitu. Zadejte PESEL žáka &lt;b&gt;%1$s&lt;/b&gt; v níže uvedeném poli</string>
     <string name="auth_button_skip">Zatím přeskočit</string>
     <!--Captcha-->
-    <string name="captcha_dialog_title">VULCAN\'s website requires verification</string>
-    <string name="captcha_dialog_description"><b>Why am I seeing this?</b>\nThe register website from which Wulkanowy downloads data displays the same screen as above, so Wulkanowy must also show it to be able to download data from this website. There\'s no way around it</string>
+    <string name="captcha_dialog_title">Webová stránka deníku VULCAN vyžaduje ověření</string>
+    <string name="captcha_dialog_description"><b>Proč se mi to zobrazuje?</b>\nWebová stránka deníku, ze které Wulkanowy stahuje data, zobrazuje stejnou obrazovku jako výše, takže Wulkanowy ji musí také zobrazit, aby bylo možné získávat data z této stránky. Nedá se to obejít</string>
     <string name="captcha_verified_message">Úspěšně ověřeno</string>
     <!--Errors-->
     <string name="error_no_internet">Žádné internetové připojení</string>

app/src/main/res/values-da-rDK/preferences_values.xml

@@ -1,70 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<resources xmlns:tools="http://schemas.android.com/tools">
-    <string-array name="app_theme_entries" tools:ignore="InconsistentArrays">
-        <item>Light</item>
-        <item>Dark</item>
-        <item>Black (AMOLED)</item>
-    </string-array>
-    <string-array name="app_language_entries">
-        <item>System language</item>
-        <item>Polski</item>
-        <item>English</item>
-        <item>Pусский</item>
-        <item>Українська</item>
-        <item>Deutsch</item>
-        <item>Čeština</item>
-        <item>Slovenčina</item>
-    </string-array>
-    <string-array name="services_interval_entries">
-        <item>15 minutes</item>
-        <item>30 minutes</item>
-        <item>1 hour</item>
-        <item>2 hours</item>
-        <item>6 hours</item>
-        <item>12 hours</item>
-        <item>24 hours</item>
-    </string-array>
-    <string-array name="grade_modifier_entries">
-        <item>0,00</item>
-        <item>0,25</item>
-        <item>0,33</item>
-        <item>0,5</item>
-        <item>0,75</item>
-    </string-array>
-    <string-array name="grade_sorting_mode_entries">
-        <item>Alphabetically</item>
-        <item>By date</item>
-        <item>By average</item>
-    </string-array>
-    <string-array name="grade_color_scheme_entries">
-        <item>Dzienniczek+</item>
-        <item>Wulkanowy</item>
-        <item>Grade colors in register</item>
-    </string-array>
-    <string-array name="default_expand_grade_entries">
-        <item>Up to 1 at once</item>
-        <item>Always expanded</item>
-        <item>Unlimited expansions</item>
-    </string-array>
-    <string-array name="grade_average_mode_entries">
-        <item>Average of grades only from selected semester</item>
-        <item>Average of averages from both semesters</item>
-        <item>Average of grades from the whole year</item>
-    </string-array>
-    <string-array name="timetable_show_gaps_entries">
-        <item>Don\'t show</item>
-        <item>Only between lessons</item>
-        <item>Before and between lessons</item>
-    </string-array>
-    <string-array name="dashboard_tile_entries">
-        <item>Lucky number</item>
-        <item>Unread messages</item>
-        <item>Attendance</item>
-        <item>Lessons</item>
-        <item>Grades</item>
-        <item>Homework</item>
-        <item>School announcements</item>
-        <item>Exams</item>
-        <item>Conferences</item>
-    </string-array>
-</resources>

app/src/main/res/values-de/preferences_values.xml

@@ -1,5 +1,10 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources xmlns:tools="http://schemas.android.com/tools">
+    <string name="sort_alphabetically">Alphabetically</string>
+    <string name="sort_by_date">By date</string>
+    <string name="sort_by_average">By average</string>
+    <string name="sort_by_attendance_percentage">By attendance percentage</string>
+    <string name="sort_by_subject_attendance_balance">By subject attendance balance</string>
     <string-array name="app_theme_entries" tools:ignore="InconsistentArrays">
         <item>Licht</item>
         <item>Dunkel</item>
@@ -31,11 +36,6 @@
         <item>0,5</item>
         <item>0,75</item>
     </string-array>
-    <string-array name="grade_sorting_mode_entries">
-        <item>Alphabetisch</item>
-        <item>Nach Datum</item>
-        <item>Nach Durchschnitt</item>
-    </string-array>
     <string-array name="grade_color_scheme_entries">
         <item>Dzienniczek+</item>
         <item>Wulkanowy</item>

app/src/main/res/values-de/strings.xml

@@ -237,6 +237,11 @@
     <string name="additional_lessons_end_time_error">Endzeit muss grösser sein als Startzeit</string>
     <!--Attendance-->
     <string name="attendance_summary_button">Übersicht über die Schulbesuch</string>
+    <string name="attendance_calculator_button">Attendance calculator</string>
+    <string name="attendance_calculator_summary_balance_positive"><b>%1$d</b> over target</string>
+    <string name="attendance_calculator_summary_balance_neutral">right on target</string>
+    <string name="attendance_calculator_summary_balance_negative"><b>%1$d</b> under target</string>
+    <string name="attendance_calculator_summary_values">%1$d/%2$d presences</string>
     <string name="attendance_absence_school">Aus schulischen Gründen abwesend</string>
     <string name="attendance_absence_excused">Entschuldigte Abwesenheit</string>
     <string name="attendance_absence_unexcused">Unentschuldigtes Abwesenheit</string>
@@ -637,6 +642,8 @@
     <string name="pref_view_grade_average_mode">Berechnete Durchschnittsoptionen</string>
     <string name="pref_view_grade_average_force_calc">Mittelwertberechnung durch App erzwingen</string>
     <string name="pref_view_present">Anwesendheit zeigen</string>
+    <string name="pref_attendance_target">Attendance target</string>
+    <string name="pref_view_attendance_calculator_sorting_mode">Attendance calculator sorting</string>
     <string name="pref_view_app_theme">Thema</string>
     <string name="pref_view_expand_grade">Steigende Sorten</string>
     <string name="pref_view_timetable_show_groups">Gruppen neben Schulfächen anzeigen</string>

app/src/main/res/values-es-rES/preferences_values.xml

@@ -1,70 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<resources xmlns:tools="http://schemas.android.com/tools">
-    <string-array name="app_theme_entries" tools:ignore="InconsistentArrays">
-        <item>Light</item>
-        <item>Dark</item>
-        <item>Black (AMOLED)</item>
-    </string-array>
-    <string-array name="app_language_entries">
-        <item>System language</item>
-        <item>Polski</item>
-        <item>English</item>
-        <item>Pусский</item>
-        <item>Українська</item>
-        <item>Deutsch</item>
-        <item>Čeština</item>
-        <item>Slovenčina</item>
-    </string-array>
-    <string-array name="services_interval_entries">
-        <item>15 minutes</item>
-        <item>30 minutes</item>
-        <item>1 hour</item>
-        <item>2 hours</item>
-        <item>6 hours</item>
-        <item>12 hours</item>
-        <item>24 hours</item>
-    </string-array>
-    <string-array name="grade_modifier_entries">
-        <item>0,00</item>
-        <item>0,25</item>
-        <item>0,33</item>
-        <item>0,5</item>
-        <item>0,75</item>
-    </string-array>
-    <string-array name="grade_sorting_mode_entries">
-        <item>Alphabetically</item>
-        <item>By date</item>
-        <item>By average</item>
-    </string-array>
-    <string-array name="grade_color_scheme_entries">
-        <item>Dzienniczek+</item>
-        <item>Wulkanowy</item>
-        <item>Grade colors in register</item>
-    </string-array>
-    <string-array name="default_expand_grade_entries">
-        <item>Up to 1 at once</item>
-        <item>Always expanded</item>
-        <item>Unlimited expansions</item>
-    </string-array>
-    <string-array name="grade_average_mode_entries">
-        <item>Average of grades only from selected semester</item>
-        <item>Average of averages from both semesters</item>
-        <item>Average of grades from the whole year</item>
-    </string-array>
-    <string-array name="timetable_show_gaps_entries">
-        <item>Don\'t show</item>
-        <item>Only between lessons</item>
-        <item>Before and between lessons</item>
-    </string-array>
-    <string-array name="dashboard_tile_entries">
-        <item>Lucky number</item>
-        <item>Unread messages</item>
-        <item>Attendance</item>
-        <item>Lessons</item>
-        <item>Grades</item>
-        <item>Homework</item>
-        <item>School announcements</item>
-        <item>Exams</item>
-        <item>Conferences</item>
-    </string-array>
-</resources>

app/src/main/res/values-it-rIT/preferences_values.xml

@@ -1,70 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<resources xmlns:tools="http://schemas.android.com/tools">
-    <string-array name="app_theme_entries" tools:ignore="InconsistentArrays">
-        <item>Light</item>
-        <item>Dark</item>
-        <item>Black (AMOLED)</item>
-    </string-array>
-    <string-array name="app_language_entries">
-        <item>System language</item>
-        <item>Polski</item>
-        <item>English</item>
-        <item>Pусский</item>
-        <item>Українська</item>
-        <item>Deutsch</item>
-        <item>Čeština</item>
-        <item>Slovenčina</item>
-    </string-array>
-    <string-array name="services_interval_entries">
-        <item>15 minutes</item>
-        <item>30 minutes</item>
-        <item>1 hour</item>
-        <item>2 hours</item>
-        <item>6 hours</item>
-        <item>12 hours</item>
-        <item>24 hours</item>
-    </string-array>
-    <string-array name="grade_modifier_entries">
-        <item>0,00</item>
-        <item>0,25</item>
-        <item>0,33</item>
-        <item>0,5</item>
-        <item>0,75</item>
-    </string-array>
-    <string-array name="grade_sorting_mode_entries">
-        <item>Alphabetically</item>
-        <item>By date</item>
-        <item>By average</item>
-    </string-array>
-    <string-array name="grade_color_scheme_entries">
-        <item>Dzienniczek+</item>
-        <item>Wulkanowy</item>
-        <item>Grade colors in register</item>
-    </string-array>
-    <string-array name="default_expand_grade_entries">
-        <item>Up to 1 at once</item>
-        <item>Always expanded</item>
-        <item>Unlimited expansions</item>
-    </string-array>
-    <string-array name="grade_average_mode_entries">
-        <item>Average of grades only from selected semester</item>
-        <item>Average of averages from both semesters</item>
-        <item>Average of grades from the whole year</item>
-    </string-array>
-    <string-array name="timetable_show_gaps_entries">
-        <item>Don\'t show</item>
-        <item>Only between lessons</item>
-        <item>Before and between lessons</item>
-    </string-array>
-    <string-array name="dashboard_tile_entries">
-        <item>Lucky number</item>
-        <item>Unread messages</item>
-        <item>Attendance</item>
-        <item>Lessons</item>
-        <item>Grades</item>
-        <item>Homework</item>
-        <item>School announcements</item>
-        <item>Exams</item>
-        <item>Conferences</item>
-    </string-array>
-</resources>

app/src/main/res/values-pl/preferences_values.xml

@@ -1,5 +1,10 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources xmlns:tools="http://schemas.android.com/tools">
+    <string name="sort_alphabetically">Alfabetycznie</string>
+    <string name="sort_by_date">Według daty</string>
+    <string name="sort_by_average">Według średniej</string>
+    <string name="sort_by_attendance_percentage">Według procentu obecności</string>
+    <string name="sort_by_subject_attendance_balance">Według balansu frekwencji przedmiotu</string>
     <string-array name="app_theme_entries" tools:ignore="InconsistentArrays">
         <item>Jasny</item>
         <item>Ciemny</item>
@@ -31,11 +36,6 @@
         <item>0,5</item>
         <item>0,75</item>
     </string-array>
-    <string-array name="grade_sorting_mode_entries">
-        <item>Alfabetycznie</item>
-        <item>Według daty</item>
-        <item>Według średniej</item>
-    </string-array>
     <string-array name="grade_color_scheme_entries">
         <item>Dzienniczek+</item>
         <item>Wulkanowy</item>

app/src/main/res/values-pl/strings.xml

@@ -265,6 +265,11 @@
     <string name="additional_lessons_end_time_error">Godzina zakończenia musi być późniejsza niż godzina rozpoczęcia</string>
     <!--Attendance-->
     <string name="attendance_summary_button">Podsumowanie frekwencji</string>
+    <string name="attendance_calculator_button">Kalkulator obecności</string>
+    <string name="attendance_calculator_summary_balance_positive"><b>%1$d</b> powyżej celu</string>
+    <string name="attendance_calculator_summary_balance_neutral">dokładnie u celu</string>
+    <string name="attendance_calculator_summary_balance_negative"><b>%1$d</b> poniżej celu</string>
+    <string name="attendance_calculator_summary_values">%1$d/%2$d obecności</string>
     <string name="attendance_absence_school">Nieobecność z przyczyn szkolnych</string>
     <string name="attendance_absence_excused">Nieobecność usprawiedliwiona</string>
     <string name="attendance_absence_unexcused">Nieobecność nieusprawiedliwiona</string>
@@ -731,6 +736,8 @@
     <string name="pref_view_grade_average_mode">Opcje obliczonej średniej</string>
     <string name="pref_view_grade_average_force_calc">Wymuś obliczanie średniej przez aplikację</string>
     <string name="pref_view_present">Pokazuj obecność</string>
+    <string name="pref_attendance_target">Docelowa obecność</string>
+    <string name="pref_view_attendance_calculator_sorting_mode">Sortowanie kalkulatora obecności</string>
     <string name="pref_view_app_theme">Motyw</string>
     <string name="pref_view_expand_grade">Rozwijanie ocen</string>
     <string name="pref_view_timetable_show_groups">Pokazuj grupę obok przedmiotu</string>

app/src/main/res/values-ru/preferences_values.xml

@@ -1,5 +1,10 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources xmlns:tools="http://schemas.android.com/tools">
+    <string name="sort_alphabetically">Alphabetically</string>
+    <string name="sort_by_date">By date</string>
+    <string name="sort_by_average">By average</string>
+    <string name="sort_by_attendance_percentage">By attendance percentage</string>
+    <string name="sort_by_subject_attendance_balance">By subject attendance balance</string>
     <string-array name="app_theme_entries" tools:ignore="InconsistentArrays">
         <item>Светлая</item>
         <item>Тёмная</item>
@@ -31,11 +36,6 @@
         <item>0,5</item>
         <item>0,75</item>
     </string-array>
-    <string-array name="grade_sorting_mode_entries">
-        <item>В алфавитном порядке</item>
-        <item>По дате</item>
-        <item>По средней</item>
-    </string-array>
     <string-array name="grade_color_scheme_entries">
         <item>Dzienniczek+</item>
         <item>Wulkanowy</item>

app/src/main/res/values-ru/strings.xml

@@ -265,6 +265,11 @@
     <string name="additional_lessons_end_time_error">Время окончания должно быть больше, чем время начала</string>
     <!--Attendance-->
     <string name="attendance_summary_button">Итоговая посещаемость</string>
+    <string name="attendance_calculator_button">Attendance calculator</string>
+    <string name="attendance_calculator_summary_balance_positive"><b>%1$d</b> over target</string>
+    <string name="attendance_calculator_summary_balance_neutral">right on target</string>
+    <string name="attendance_calculator_summary_balance_negative"><b>%1$d</b> under target</string>
+    <string name="attendance_calculator_summary_values">%1$d/%2$d presences</string>
     <string name="attendance_absence_school">Отсутствие по школьным причинам</string>
     <string name="attendance_absence_excused">Отсутствие по уважительной причине</string>
     <string name="attendance_absence_unexcused">Отсутствие по неуважительной причине</string>
@@ -731,6 +736,8 @@
     <string name="pref_view_grade_average_mode">Параметры расчёта средних оценок</string>
     <string name="pref_view_grade_average_force_calc">Принудительно высчитать среднюю оценку через приложение</string>
     <string name="pref_view_present">Показывать присутствия</string>
+    <string name="pref_attendance_target">Attendance target</string>
+    <string name="pref_view_attendance_calculator_sorting_mode">Attendance calculator sorting</string>
     <string name="pref_view_app_theme">Тема</string>
     <string name="pref_view_expand_grade">Разворачивание оценок</string>
     <string name="pref_view_timetable_show_groups">Показать группы рядом с темами</string>

app/src/main/res/values-sk/preferences_values.xml

@@ -1,5 +1,10 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources xmlns:tools="http://schemas.android.com/tools">
+    <string name="sort_alphabetically">Abecedne</string>
+    <string name="sort_by_date">Podľa dátumu</string>
+    <string name="sort_by_average">Podľa priemeru</string>
+    <string name="sort_by_attendance_percentage">Podľa percenta dochádzky</string>
+    <string name="sort_by_subject_attendance_balance">Podľa rovnováhy dochádzky predmetu</string>
     <string-array name="app_theme_entries" tools:ignore="InconsistentArrays">
         <item>Svetlý</item>
         <item>Tmavý</item>
@@ -31,11 +36,6 @@
         <item>0,5</item>
         <item>0,75</item>
     </string-array>
-    <string-array name="grade_sorting_mode_entries">
-        <item>Abecedne</item>
-        <item>Podľa dátumu</item>
-        <item>Podľa priemeru</item>
-    </string-array>
     <string-array name="grade_color_scheme_entries">
         <item>Dzienniczek+</item>
         <item>Wulkanowy</item>
@@ -59,7 +59,7 @@
     <string-array name="dashboard_tile_entries">
         <item>Šťastné číslo</item>
         <item>Neprečítané správy</item>
-        <item>Frekvencia</item>
+        <item>Dochádzka</item>
         <item>Lekcie</item>
         <item>Známky</item>
         <item>Domáce úlohy</item>

app/src/main/res/values-sk/strings.xml

@@ -4,7 +4,7 @@
     <string name="login_title">Prihlásenie</string>
     <string name="main_title">Wulkanowy</string>
     <string name="grade_title">Známky</string>
-    <string name="attendance_title">Frekvencia</string>
+    <string name="attendance_title">Dochádzka</string>
     <string name="exam_title">Skúšky</string>
     <string name="timetable_title">Plán lekcie</string>
     <string name="settings_title">Nastavenia</string>
@@ -64,7 +64,7 @@
     <string name="login_symbol_helper">Symbol nájdete na stránke denníka v &#160;<b>Uczeń</b>→&#160;<b>Dostęp Mobilny</b> →&#160;<b>Wygeneruj kod dostępu</b>.\n\nUistite sa, že ste nastavili správny variant denníka v poli <b>Variácia denníka UONET+</b> na prvej prihlasovacej obrazovke</string>
     <string name="login_select_student">Vyberte žiakov, ktorí sa majú do aplikácie prihlásiť</string>
     <string name="login_advanced">Iné možnosti</string>
-    <string name="login_advanced_warning_mobile_api">V tomto režime nefungujú nasledovné: šťastné číslo, štatistiky triedy, zhrnutie frekvencií, ospravedlnenie neprítomnosti, dokončené lekcie, informácie o škole a prezeranie zoznamu registrovaných zariadení</string>
+    <string name="login_advanced_warning_mobile_api">V tomto režime nefungujú nasledovné: šťastné číslo, štatistiky triedy, zhrnutie dochádzky, ospravedlnenie neprítomnosti, dokončené lekcie, informácie o škole a prezeranie zoznamu registrovaných zariadení</string>
     <string name="login_advanced_warning_scraper">Tento režim zobrazuje rovnaké dáta, ktoré sa zobrazujú na webových stránkach denníka</string>
     <string name="login_advanced_warning_hybrid">Kombinácia najlepších vlastností ostatných dvoch režimov. Funguje rýchlejšie ako scraper a poskytuje funkcie, ktoré nie sú k dispozícii v režime Mobilne API. Je to v experimentálnej fáze</string>
     <string name="login_privacy_policy">Ochrana osobných údajov</string>
@@ -264,7 +264,12 @@
     <string name="additional_lessons_end">Čas ukončenia</string>
     <string name="additional_lessons_end_time_error">Čas ukončenia musí byť neskorší ako čas začatia</string>
     <!--Attendance-->
-    <string name="attendance_summary_button">Zhrnutie frekvencií</string>
+    <string name="attendance_summary_button">Zhrnutie dochádzky</string>
+    <string name="attendance_calculator_button">Kalkulačka dochádzky</string>
+    <string name="attendance_calculator_summary_balance_positive"><b>%1$d</b> nad cieľom</string>
+    <string name="attendance_calculator_summary_balance_neutral">presne v cieli</string>
+    <string name="attendance_calculator_summary_balance_negative"><b>%1$d</b> pod cieľom</string>
+    <string name="attendance_calculator_summary_values">%1$d/%2$d prítomnosti</string>
     <string name="attendance_absence_school">Neprítomnosť zo školských dôvodov</string>
     <string name="attendance_absence_excused">Ospravedlnená neprítomnosť</string>
     <string name="attendance_absence_unexcused">Neospravedlnená neprítomnosť</string>
@@ -282,22 +287,22 @@
     <string name="attendance_excuse_no_selection">Musíte vybrať aspoň jednu neprítomnosť!</string>
     <string name="attendance_excuse_title">Ospravedlniť</string>
     <plurals name="attendance_notify_new_items_title">
-        <item quantity="one">Nová frekvencia</item>
-        <item quantity="few">Nové frekvencie</item>
-        <item quantity="many">Nové frekvencie</item>
-        <item quantity="other">Nové frekvencie</item>
+        <item quantity="one">Nová dochádzka</item>
+        <item quantity="few">Nové dochádzky</item>
+        <item quantity="many">Nové dochádzky</item>
+        <item quantity="other">Nové dochádzky</item>
     </plurals>
     <plurals name="attendance_notify_new_items">
-        <item quantity="one">%1$d nová frekvencia</item>
-        <item quantity="few">%1$d nové frekvencie</item>
-        <item quantity="many">%1$d nových frekvencií</item>
-        <item quantity="other">%1$d nových frekvencií</item>
+        <item quantity="one">%1$d nová dochádzka</item>
+        <item quantity="few">%1$d nové dochádzky</item>
+        <item quantity="many">%1$d nových dochádzok</item>
+        <item quantity="other">%1$d nových dochádzok</item>
     </plurals>
     <plurals name="attendance_number_item">
-        <item quantity="one">%d frekvencia</item>
-        <item quantity="few">%d frekvencie</item>
-        <item quantity="many">%d frekvencií</item>
-        <item quantity="other">%d frekvencií</item>
+        <item quantity="one">%d dochádzka</item>
+        <item quantity="few">%d dochádzky</item>
+        <item quantity="many">%d dochádzok</item>
+        <item quantity="other">%d dochádzok</item>
     </plurals>
     <!--Attendance summary-->
     <string name="attendance_summary_total">Spoločne</string>
@@ -731,6 +736,8 @@
     <string name="pref_view_grade_average_mode">Možnosti vypočítaného priemeru</string>
     <string name="pref_view_grade_average_force_calc">Vynútiť priemerný výpočet podľa aplikácie</string>
     <string name="pref_view_present">Zobraziť prítomnosť</string>
+    <string name="pref_attendance_target">Cieľová dochádzka</string>
+    <string name="pref_view_attendance_calculator_sorting_mode">Triedenie kalkulačky dochádzky</string>
     <string name="pref_view_app_theme">Motív</string>
     <string name="pref_view_expand_grade">Rozvijanie známok</string>
     <string name="pref_view_timetable_show_groups">Zobraziť skupiny vedľa predmetov</string>
@@ -797,7 +804,7 @@
     <string name="pref_grades_appearance_header">Známky</string>
     <string name="pref_dashboard_appearance_header">Domov</string>
     <string name="pref_dashboard_appearance_tiles_title">Viditeľnosť dlaždíc</string>
-    <string name="pref_attendance_appearance_view">Frekvencia</string>
+    <string name="pref_attendance_appearance_view">Dochádzka</string>
     <string name="pref_timetable_appearance_view">Plán lekcie</string>
     <string name="pref_grades_advanced_header">Známky</string>
     <string name="pref_counted_average_advanced_header">Vypočítaný priemer</string>
@@ -825,7 +832,7 @@
     <string name="channel_upcoming_lessons">Nadchádzajúce lekcie</string>
     <string name="channel_debug">Ladenie</string>
     <string name="channel_change_timetable">Zmeny plánu lekcií</string>
-    <string name="channel_new_attendance">Nové frekvencie</string>
+    <string name="channel_new_attendance">Nové dochádzky</string>
     <!--Colors-->
     <string name="all_black">Čierna</string>
     <string name="all_red">Červená</string>
@@ -852,8 +859,8 @@
     <string name="auth_description">Na prevádzku aplikácie potrebujeme potvrdiť vašu identitu. Zadajte PESEL žiaka &lt;b&gt;%1$s&lt;/b&gt; v nižšie uvedenom poli</string>
     <string name="auth_button_skip">Zatiaľ preskočiť</string>
     <!--Captcha-->
-    <string name="captcha_dialog_title">VULCAN\'s website requires verification</string>
-    <string name="captcha_dialog_description"><b>Why am I seeing this?</b>\nThe register website from which Wulkanowy downloads data displays the same screen as above, so Wulkanowy must also show it to be able to download data from this website. There\'s no way around it</string>
+    <string name="captcha_dialog_title">Webová stránka denníka VULCAN vyžaduje overenie</string>
+    <string name="captcha_dialog_description"><b>Prečo sa mi to zobrazuje?</b>\nWebová stránka denníka, z ktorej Wulkanowy sťahuje dáta, zobrazuje rovnakú obrazovku ako vyššie, takže Wulkanowy ju musí tiež zobraziť, aby bolo možné získavať dáta z tejto stránky. Nedá sa to obísť</string>
     <string name="captcha_verified_message">Úspešne overené</string>
     <!--Errors-->
     <string name="error_no_internet">Žiadne internetové pripojenie</string>

app/src/main/res/values-uk/preferences_values.xml

@@ -1,5 +1,10 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources xmlns:tools="http://schemas.android.com/tools">
+    <string name="sort_alphabetically">За алфавітом</string>
+    <string name="sort_by_date">За датою</string>
+    <string name="sort_by_average">За середньою</string>
+    <string name="sort_by_attendance_percentage">За відсотком відвідуваності</string>
+    <string name="sort_by_subject_attendance_balance">За балансом відвідування теми</string>
     <string-array name="app_theme_entries" tools:ignore="InconsistentArrays">
         <item>Світла</item>
         <item>Темна</item>
@@ -31,11 +36,6 @@
         <item>0,5</item>
         <item>0,75</item>
     </string-array>
-    <string-array name="grade_sorting_mode_entries">
-        <item>За алфавітом</item>
-        <item>За датою</item>
-        <item>За середньою</item>
-    </string-array>
     <string-array name="grade_color_scheme_entries">
         <item>Dzienniczek+</item>
         <item>Wulkanowy</item>

app/src/main/res/values-uk/strings.xml

@@ -265,6 +265,11 @@
     <string name="additional_lessons_end_time_error">Час завершення має бути пізніше часу початку</string>
     <!--Attendance-->
     <string name="attendance_summary_button">Підсумок відвідуваності</string>
+    <string name="attendance_calculator_button">Калькулятор відвідуваності</string>
+    <string name="attendance_calculator_summary_balance_positive"><b>%1$d</b> понад ціль</string>
+    <string name="attendance_calculator_summary_balance_neutral">точно у цілі</string>
+    <string name="attendance_calculator_summary_balance_negative"><b>%1$d</b> під ціллю</string>
+    <string name="attendance_calculator_summary_values">%1$d/%2$d відвідуваності</string>
     <string name="attendance_absence_school">Відсутність зі шкільних причин</string>
     <string name="attendance_absence_excused">Відсутність з поважних причин</string>
     <string name="attendance_absence_unexcused">Відсутність без поважних причин</string>
@@ -731,6 +736,8 @@
     <string name="pref_view_grade_average_mode">Параметри розраховування середніх оцінок</string>
     <string name="pref_view_grade_average_force_calc">Примусово розраховувати середню оцінку через додаток</string>
     <string name="pref_view_present">Показувати присутність</string>
+    <string name="pref_attendance_target">Цільова відвідуваність</string>
+    <string name="pref_view_attendance_calculator_sorting_mode">Сортування калькулятора відвідування</string>
     <string name="pref_view_app_theme">Тема</string>
     <string name="pref_view_expand_grade">Розгортання оцінок</string>
     <string name="pref_view_timetable_show_groups">Показувати групи поруч з темами</string>

app/src/main/res/values/colors.xml

@@ -1,10 +1,12 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
     <color name="colorIcon">#d32f2f</color>
-    <color name="colorPrimary">#B91B21</color>
-    <color name="colorOnPrimary">#FFFFFF</color>
-    <color name="colorPrimaryContainer">#FFDAD5</color>
-    <color name="colorOnPrimaryContainer">#410003</color>
+
+    <color name="colorPrimary">#9c423a</color>
+    <color name="colorOnPrimary">#ffffff</color>
+    <color name="colorPrimaryContainer">#ffdad6</color>
+    <color name="colorOnPrimaryContainer">#410002</color>
+
     <color name="colorSurface">#FCFCFC</color>
     <color name="colorOnSurface">#201A1A</color>
     <color name="colorSurfaceVariant">#F4DDDB</color>
@@ -14,10 +16,12 @@
     <color name="colorOnSurfaceInverse">#FAEEEE</color>
     <color name="colorPrimaryInverse">#FFB3AA</color>
 
-    <color name="colorPrimaryDark">#FFB3AA</color>
-    <color name="colorOnPrimaryDark">#680006</color>
-    <color name="colorPrimaryContainerDark">#93000E</color>
-    <color name="colorOnPrimaryContainerDark">#FFDAD5</color>
+
+    <color name="colorPrimaryDark">#ffb4ab</color>
+    <color name="colorOnPrimaryDark">#5f1411</color>
+    <color name="colorPrimaryContainerDark">#7d2b25</color>
+    <color name="colorOnPrimaryContainerDark">#ffdad6</color>
+
     <color name="colorSurfaceDark">#201A1A</color>
     <color name="colorOnSurfaceDark">#ECE0E0</color>
     <color name="colorSurfaceVariantDark">#534341</color>
@@ -27,15 +31,16 @@
     <color name="colorOnSurfaceInverseDark">#201A1A</color>
     <color name="colorPrimaryInverseDark">#B91B21</color>
 
+
     <color name="colorPrimaryDarker">#9a0007</color>
     <color name="colorError">#ff5722</color>
     <color name="colorErrorLight">#e84853</color>
 
-    <color name="colorNavigationBarLight">#f5e8e9</color>
+    <color name="colorNavigationBarLight">#f4ecec</color>
     <color name="colorNavigationBarDark">#312624</color>
     <color name="colorNavigationBarBlack">#150e0e</color>
 
-    <color name="colorStatusBarLight">#f5e5e6</color>
+    <color name="colorStatusBarLight">#f2eae9</color>
     <color name="colorStatusBarDark">#342826</color>
     <color name="colorStatusBarBlack">#181010</color>
 
@@ -46,14 +51,15 @@
 
     <color name="timetable_canceled_light">#d32f2f</color>
     <color name="timetable_canceled_dark">#e57373</color>
+
     <color name="timetable_change_light">#ff8f00</color>
     <color name="timetable_change_dark">#ffd54f</color>
 
     <color name="attendance_absence_light">#d32f2f</color>
     <color name="attendance_absence_dark">#e57373</color>
 
-    <color name="attendance_lateness_light">#cd2a01</color>
-    <color name="attendance_lateness_dark">#f05d0e</color>
+    <color name="attendance_lateness_light">#ff8f00</color>
+    <color name="attendance_lateness_dark">#ffd54f</color>
 
     <color name="colorDivider">#1f000000</color>
     <color name="colorDividerInverse">#1fffffff</color>

app/src/main/res/values/preferences_defaults.xml

@@ -2,6 +2,9 @@
 <resources xmlns:tools="http://schemas.android.com/tools" tools:ignore="MissingTranslation">
     <string name="pref_default_startup">0</string>
     <bool name="pref_default_attendance_present">true</bool>
+    <integer name="pref_default_attendance_target">50</integer>
+    <string name="pref_default_attendance_calculator_sorting_mode">alphabetic</string>
+    <bool name="pref_default_attendance_calculator_show_empty_subjects">false</bool>
     <string name="pref_default_grade_average_mode">only_one_semester</string>
     <bool name="pref_default_grade_average_force_calc">false</bool>
     <string name="pref_default_expand_grade_mode">one</string>

app/src/main/res/values/preferences_keys.xml

@@ -2,6 +2,9 @@
 <resources xmlns:tools="http://schemas.android.com/tools" tools:ignore="MissingTranslation">
     <string name="pref_key_start_menu">default_menu_index</string>
     <string name="pref_key_attendance_present">attendance_present</string>
+    <string name="pref_key_attendance_target">attendance_target</string>
+    <string name="pref_key_attendance_calculator_sorting_mode">attendance_calculator_sorting_mode</string>
+    <string name="pref_key_attendance_calculator_show_empty_subjects">attendance_calculator_show_empty_subjects</string>
     <string name="pref_key_app_theme">app_theme</string>
     <string name="pref_key_dashboard_tiles">dashboard_tiles</string>
     <string name="pref_key_grade_color_scheme">grade_color_scheme</string>

app/src/main/res/values/preferences_values.xml

@@ -1,5 +1,12 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources xmlns:tools="http://schemas.android.com/tools">
+
+    <string name="sort_alphabetically">Alphabetically</string>
+    <string name="sort_by_date">By date</string>
+    <string name="sort_by_average">By average</string>
+    <string name="sort_by_attendance_percentage">By attendance percentage</string>
+    <string name="sort_by_subject_attendance_balance">By subject attendance balance</string>
+
     <string-array name="startup_tab_entries" translatable="false">
         <item>@string/dashboard_title</item>
         <item>@string/grade_title</item>
@@ -79,10 +86,21 @@
         <item>0.75</item>
     </string-array>
 
-    <string-array name="grade_sorting_mode_entries">
-        <item>Alphabetically</item>
-        <item>By date</item>
-        <item>By average</item>
+    <string-array name="attendance_calculator_sorting_mode_entries" translatable="false">
+        <item>@string/sort_alphabetically</item>
+        <item>@string/sort_by_attendance_percentage</item>
+        <item>@string/sort_by_subject_attendance_balance</item>
+    </string-array>
+    <string-array name="attendance_calculator_sorting_mode_values" translatable="false">
+        <item>alphabetic</item>
+        <item>attendance_percentage</item>
+        <item>lesson_balance</item>
+    </string-array>
+
+    <string-array name="grade_sorting_mode_entries" translatable="false">
+        <item>@string/sort_alphabetically</item>
+        <item>@string/sort_by_date</item>
+        <item>@string/sort_by_average</item>
     </string-array>
     <string-array name="grade_sorting_mode_values" translatable="false">
         <item>alphabetic</item>

app/src/main/res/values/strings.xml

@@ -258,6 +258,12 @@
 
     <!--Attendance-->
     <string name="attendance_summary_button">Attendance summary</string>
+    <string name="attendance_calculator_button">Attendance calculator</string>
+    <string name="attendance_calculator_summary_balance_positive"><b>%1$d</b> over target</string>
+    <string name="attendance_calculator_summary_balance_neutral">right on target</string>
+    <string name="attendance_calculator_summary_balance_negative"><b>%1$d</b> under target</string>
+    <string name="attendance_calculator_summary_values">%1$d/%2$d presences</string>
+    <string name="attendance_calculator_summary_values_empty">No attendances recorded</string>
     <string name="attendance_absence_school">Absent for school reasons</string>
     <string name="attendance_absence_excused">Excused absence</string>
     <string name="attendance_absence_unexcused">Unexcused absence</string>
@@ -715,6 +721,9 @@
     <string name="pref_view_grade_average_mode">Calculated average options</string>
     <string name="pref_view_grade_average_force_calc">Force average calculation by app</string>
     <string name="pref_view_present">Show presence</string>
+    <string name="pref_attendance_target">Attendance target</string>
+    <string name="pref_attendance_calculator_show_empty_subjects">Show subjects without any attendances</string>
+    <string name="pref_view_attendance_calculator_sorting_mode">Attendance calculator sorting</string>
     <string name="pref_view_app_theme">Theme</string>
     <string name="pref_view_expand_grade">Grades expanding</string>
     <string name="pref_view_timetable_show_groups">Show groups next to subjects</string>

app/src/main/res/values/styles.xml

@@ -4,18 +4,22 @@
 
     <style name="BaseWulkanowyTheme" parent="@style/Theme.Material3.Light">
         <item name="android:forceDarkAllowed" tools:targetApi="Q">false</item>
+
         <item name="colorPrimary">@color/colorPrimary</item>
-        <item name="colorOnPrimary">@android:color/white</item>
+        <item name="colorOnPrimary">@color/colorOnPrimary</item>
         <item name="colorPrimaryContainer">@color/colorPrimaryContainer</item>
         <item name="colorOnPrimaryContainer">@color/colorOnPrimaryContainer</item>
+
         <item name="colorSecondary">@color/colorPrimary</item>
-        <item name="colorOnSecondary">@android:color/white</item>
+        <item name="colorOnSecondary">@color/colorOnPrimary</item>
         <item name="colorSecondaryContainer">@color/colorPrimaryContainer</item>
         <item name="colorOnSecondaryContainer">@color/colorOnPrimaryContainer</item>
+
         <item name="colorTertiary">@color/colorPrimary</item>
-        <item name="colorOnTertiary">@android:color/white</item>
+        <item name="colorOnTertiary">@color/colorOnPrimary</item>
         <item name="colorTertiaryContainer">@color/colorPrimaryContainer</item>
         <item name="colorOnTertiaryContainer">@color/colorOnPrimaryContainer</item>
+
         <item name="colorSurface">@color/colorSurface</item>
         <item name="colorTimetableCanceled">@color/timetable_canceled_light</item>
         <item name="colorTimetableChange">@color/timetable_change_light</item>

app/src/main/res/xml/scheme_preferences_appearance.xml

@@ -85,6 +85,30 @@
             app:iconSpaceReserved="false"
             app:key="@string/pref_key_attendance_present"
             app:title="@string/pref_view_present" />
+        <SeekBarPreference
+            app:defaultValue="@integer/pref_default_attendance_target"
+            app:iconSpaceReserved="false"
+            android:layout="@layout/pref_target_attendance"
+            app:key="@string/pref_key_attendance_target"
+            app:title="@string/pref_attendance_target"
+            app:min="1"
+            app:updatesContinuously="true"
+            android:max="99"
+            app:showSeekBarValue="true"
+            />
+        <ListPreference
+            app:defaultValue="@string/pref_default_attendance_calculator_sorting_mode"
+            app:entries="@array/attendance_calculator_sorting_mode_entries"
+            app:entryValues="@array/attendance_calculator_sorting_mode_values"
+            app:iconSpaceReserved="false"
+            app:key="@string/pref_key_attendance_calculator_sorting_mode"
+            app:title="@string/pref_view_attendance_calculator_sorting_mode"
+            app:useSimpleSummaryProvider="true" />
+        <SwitchPreferenceCompat
+            app:defaultValue="@bool/pref_default_attendance_calculator_show_empty_subjects"
+            app:iconSpaceReserved="false"
+            app:key="@string/pref_key_attendance_calculator_show_empty_subjects"
+            app:title="@string/pref_attendance_calculator_show_empty_subjects" />
     </PreferenceCategory>
     <PreferenceCategory
         android:layout_height="wrap_content"

app/src/release/google-services.json

@@ -1,42 +0,0 @@
-{
-  "project_info": {
-    "project_number": "",
-    "firebase_url": "",
-    "project_id": "",
-    "storage_bucket": ""
-  },
-  "client": [
-    {
-      "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/test/java/io/github/wulkanowy/WulkanowySdkFactoryCreator.kt

@@ -0,0 +1,12 @@
+package io.github.wulkanowy
+
+import io.github.wulkanowy.data.WulkanowySdkFactory
+import io.github.wulkanowy.sdk.Sdk
+import io.mockk.every
+import io.mockk.mockk
+
+fun createWulkanowySdkFactoryMock(sdk: Sdk) = mockk<WulkanowySdkFactory>()
+    .apply {
+        every { create() } returns sdk
+        every { create(any(), any()) } answers { callOriginal() }
+    }

app/src/test/java/io/github/wulkanowy/data/ResourceTest.kt

@@ -1,6 +1,10 @@
 package io.github.wulkanowy.data
 
-import io.mockk.*
+import io.mockk.Runs
+import io.mockk.coEvery
+import io.mockk.coVerifyOrder
+import io.mockk.just
+import io.mockk.mockk
 import kotlinx.coroutines.ExperimentalCoroutinesApi
 import kotlinx.coroutines.delay
 import kotlinx.coroutines.flow.flowOf
@@ -42,7 +46,6 @@ class ResourceTest {
         // first
         networkBoundResource(
             isResultEmpty = { false },
-            showSavedOnLoading = false,
             query = { repo.query() },
             fetch = {
                 val data = repo.fetch()
@@ -57,7 +60,6 @@ class ResourceTest {
         // second
         networkBoundResource(
             isResultEmpty = { false },
-            showSavedOnLoading = false,
             query = { repo.query() },
             fetch = {
                 val data = repo.fetch()
@@ -124,7 +126,6 @@ class ResourceTest {
         networkBoundResource(
             isResultEmpty = { false },
             mutex = saveResultMutex,
-            showSavedOnLoading = false,
             query = { repo.query() },
             fetch = {
                 val data = repo.fetch()
@@ -143,7 +144,6 @@ class ResourceTest {
         networkBoundResource(
             isResultEmpty = { false },
             mutex = saveResultMutex,
-            showSavedOnLoading = false,
             query = { repo.query() },
             fetch = {
                 val data = repo.fetch()

app/src/test/java/io/github/wulkanowy/data/repositories/AttendanceRepositoryTest.kt

@@ -1,5 +1,6 @@
 package io.github.wulkanowy.data.repositories
 
+import io.github.wulkanowy.createWulkanowySdkFactoryMock
 import io.github.wulkanowy.data.dataOrNull
 import io.github.wulkanowy.data.db.dao.AttendanceDao
 import io.github.wulkanowy.data.db.dao.TimetableDao
@@ -16,8 +17,8 @@ import io.mockk.coEvery
 import io.mockk.coVerify
 import io.mockk.every
 import io.mockk.impl.annotations.MockK
-import io.mockk.impl.annotations.SpyK
 import io.mockk.just
+import io.mockk.spyk
 import kotlinx.coroutines.flow.flowOf
 import kotlinx.coroutines.runBlocking
 import kotlinx.coroutines.test.runTest
@@ -30,8 +31,8 @@ import io.github.wulkanowy.sdk.pojo.Attendance as SdkAttendance
 
 class AttendanceRepositoryTest {
 
-    @SpyK
-    private var sdk = Sdk()
+    private var sdk = spyk<Sdk>()
+    private val wulkanowySdkFactory = createWulkanowySdkFactoryMock(sdk)
 
     @MockK
     private lateinit var attendanceDb: AttendanceDao
@@ -63,7 +64,8 @@ class AttendanceRepositoryTest {
         every { refreshHelper.shouldBeRefreshed(any()) } returns false
         coEvery { timetableDb.load(any(), any(), any(), any()) } returns emptyList()
 
-        attendanceRepository = AttendanceRepository(attendanceDb, timetableDb, sdk, refreshHelper)
+        attendanceRepository =
+            AttendanceRepository(attendanceDb, timetableDb, wulkanowySdkFactory, refreshHelper)
     }
 
     @Test

app/src/test/java/io/github/wulkanowy/data/repositories/CompletedLessonsRepositoryTest.kt

@@ -1,5 +1,6 @@
 package io.github.wulkanowy.data.repositories
 
+import io.github.wulkanowy.createWulkanowySdkFactoryMock
 import io.github.wulkanowy.data.dataOrNull
 import io.github.wulkanowy.data.db.dao.CompletedLessonsDao
 import io.github.wulkanowy.data.errorOrNull
@@ -15,8 +16,8 @@ import io.mockk.coEvery
 import io.mockk.coVerify
 import io.mockk.every
 import io.mockk.impl.annotations.MockK
-import io.mockk.impl.annotations.SpyK
 import io.mockk.just
+import io.mockk.spyk
 import kotlinx.coroutines.flow.flowOf
 import kotlinx.coroutines.test.runTest
 import org.junit.Assert.assertEquals
@@ -28,8 +29,8 @@ import io.github.wulkanowy.sdk.pojo.CompletedLesson as SdkCompletedLesson
 
 class CompletedLessonsRepositoryTest {
 
-    @SpyK
-    private var sdk = Sdk()
+    private var sdk = spyk<Sdk>()
+    private val wulkanowySdkFactory = createWulkanowySdkFactoryMock(sdk)
 
     @MockK
     private lateinit var completedLessonDb: CompletedLessonsDao
@@ -58,7 +59,7 @@ class CompletedLessonsRepositoryTest {
         every { refreshHelper.shouldBeRefreshed(any()) } returns false
 
         completedLessonRepository =
-            CompletedLessonsRepository(completedLessonDb, sdk, refreshHelper)
+            CompletedLessonsRepository(completedLessonDb, wulkanowySdkFactory, refreshHelper)
     }
 
     @Test

app/src/test/java/io/github/wulkanowy/data/repositories/ExamRemoteTest.kt

@@ -1,5 +1,6 @@
 package io.github.wulkanowy.data.repositories
 
+import io.github.wulkanowy.createWulkanowySdkFactoryMock
 import io.github.wulkanowy.data.dataOrNull
 import io.github.wulkanowy.data.db.dao.ExamDao
 import io.github.wulkanowy.data.errorOrNull
@@ -15,8 +16,8 @@ import io.mockk.coEvery
 import io.mockk.coVerify
 import io.mockk.every
 import io.mockk.impl.annotations.MockK
-import io.mockk.impl.annotations.SpyK
 import io.mockk.just
+import io.mockk.spyk
 import kotlinx.coroutines.flow.flowOf
 import kotlinx.coroutines.runBlocking
 import kotlinx.coroutines.test.runTest
@@ -28,8 +29,8 @@ import io.github.wulkanowy.sdk.pojo.Exam as SdkExam
 
 class ExamRemoteTest {
 
-    @SpyK
-    private var sdk = Sdk()
+    private var sdk = spyk<Sdk>()
+    private val wulkanowySdkFactory = createWulkanowySdkFactoryMock(sdk)
 
     @MockK
     private lateinit var examDb: ExamDao
@@ -59,7 +60,7 @@ class ExamRemoteTest {
         MockKAnnotations.init(this)
         every { refreshHelper.shouldBeRefreshed(any()) } returns false
 
-        examRepository = ExamRepository(examDb, sdk, refreshHelper)
+        examRepository = ExamRepository(examDb, wulkanowySdkFactory, refreshHelper)
     }
 
     @Test

app/src/test/java/io/github/wulkanowy/data/repositories/GradeRepositoryTest.kt

@@ -1,5 +1,6 @@
 package io.github.wulkanowy.data.repositories
 
+import io.github.wulkanowy.createWulkanowySdkFactoryMock
 import io.github.wulkanowy.data.dataOrNull
 import io.github.wulkanowy.data.db.dao.GradeDao
 import io.github.wulkanowy.data.db.dao.GradeDescriptiveDao
@@ -18,8 +19,8 @@ import io.mockk.coEvery
 import io.mockk.coVerify
 import io.mockk.every
 import io.mockk.impl.annotations.MockK
-import io.mockk.impl.annotations.SpyK
 import io.mockk.just
+import io.mockk.spyk
 import kotlinx.coroutines.flow.flowOf
 import kotlinx.coroutines.runBlocking
 import kotlinx.coroutines.test.runTest
@@ -35,8 +36,8 @@ import io.github.wulkanowy.sdk.pojo.Grade as SdkGrade
 
 class GradeRepositoryTest {
 
-    @SpyK
-    private var sdk = Sdk()
+    private var sdk = spyk<Sdk>()
+    private val wulkanowySdkFactory = createWulkanowySdkFactoryMock(sdk)
 
     @MockK
     private lateinit var gradeDb: GradeDao
@@ -65,7 +66,7 @@ class GradeRepositoryTest {
             gradeDb = gradeDb,
             gradeSummaryDb = gradeSummaryDb,
             gradeDescriptiveDb = gradeDescriptiveDb,
-            sdk = sdk,
+            wulkanowySdkFactory = wulkanowySdkFactory,
             refreshHelper = refreshHelper,
         )
 

app/src/test/java/io/github/wulkanowy/data/repositories/GradeStatisticsRepositoryTest.kt

@@ -1,5 +1,6 @@
 package io.github.wulkanowy.data.repositories
 
+import io.github.wulkanowy.createWulkanowySdkFactoryMock
 import io.github.wulkanowy.data.dataOrNull
 import io.github.wulkanowy.data.db.dao.GradePartialStatisticsDao
 import io.github.wulkanowy.data.db.dao.GradePointsStatisticsDao
@@ -13,9 +14,14 @@ import io.github.wulkanowy.sdk.Sdk
 import io.github.wulkanowy.sdk.pojo.GradeStatisticsItem
 import io.github.wulkanowy.sdk.pojo.GradeStatisticsSubject
 import io.github.wulkanowy.utils.AutoRefreshHelper
-import io.mockk.*
+import io.mockk.MockKAnnotations
+import io.mockk.Runs
+import io.mockk.coEvery
+import io.mockk.coVerify
+import io.mockk.every
 import io.mockk.impl.annotations.MockK
-import io.mockk.impl.annotations.SpyK
+import io.mockk.just
+import io.mockk.spyk
 import kotlinx.coroutines.flow.flowOf
 import kotlinx.coroutines.runBlocking
 import org.junit.Assert.assertEquals
@@ -24,8 +30,8 @@ import org.junit.Test
 
 class GradeStatisticsRepositoryTest {
 
-    @SpyK
-    private var sdk = Sdk()
+    private var sdk = spyk<Sdk>()
+    private val wulkanowySdkFactory = createWulkanowySdkFactoryMock(sdk)
 
     @MockK
     private lateinit var gradePartialStatisticsDb: GradePartialStatisticsDao
@@ -54,7 +60,7 @@ class GradeStatisticsRepositoryTest {
             gradePartialStatisticsDb = gradePartialStatisticsDb,
             gradePointsStatisticsDb = gradePointsStatisticsDb,
             gradeSemesterStatisticsDb = gradeSemesterStatisticsDb,
-            sdk = sdk,
+            wulkanowySdkFactory = wulkanowySdkFactory,
             refreshHelper = refreshHelper,
         )
     }

app/src/test/java/io/github/wulkanowy/data/repositories/LuckyNumberRemoteTest.kt

@@ -1,5 +1,6 @@
 package io.github.wulkanowy.data.repositories
 
+import io.github.wulkanowy.createWulkanowySdkFactoryMock
 import io.github.wulkanowy.data.dataOrNull
 import io.github.wulkanowy.data.db.dao.LuckyNumberDao
 import io.github.wulkanowy.data.errorOrNull
@@ -12,8 +13,8 @@ import io.mockk.Runs
 import io.mockk.coEvery
 import io.mockk.coVerify
 import io.mockk.impl.annotations.MockK
-import io.mockk.impl.annotations.SpyK
 import io.mockk.just
+import io.mockk.spyk
 import kotlinx.coroutines.flow.flowOf
 import kotlinx.coroutines.runBlocking
 import kotlinx.coroutines.test.runTest
@@ -25,8 +26,8 @@ import io.github.wulkanowy.sdk.pojo.LuckyNumber as SdkLuckyNumber
 
 class LuckyNumberRemoteTest {
 
-    @SpyK
-    private var sdk = Sdk()
+    private var sdk = spyk<Sdk>()
+    private val wulkanowySdkFactory = createWulkanowySdkFactoryMock(sdk)
 
     @MockK
     private lateinit var luckyNumberDb: LuckyNumberDao
@@ -43,7 +44,7 @@ class LuckyNumberRemoteTest {
     fun setUp() {
         MockKAnnotations.init(this)
 
-        luckyNumberRepository = LuckyNumberRepository(luckyNumberDb, sdk)
+        luckyNumberRepository = LuckyNumberRepository(luckyNumberDb, wulkanowySdkFactory)
     }
 
     @Test

app/src/test/java/io/github/wulkanowy/data/repositories/MessageRepositoryTest.kt

@@ -1,6 +1,7 @@
 package io.github.wulkanowy.data.repositories
 
 import android.content.Context
+import io.github.wulkanowy.createWulkanowySdkFactoryMock
 import io.github.wulkanowy.data.dataOrNull
 import io.github.wulkanowy.data.db.SharedPrefProvider
 import io.github.wulkanowy.data.db.dao.MailboxDao
@@ -28,10 +29,9 @@ import io.mockk.coEvery
 import io.mockk.coVerify
 import io.mockk.every
 import io.mockk.impl.annotations.MockK
-import io.mockk.impl.annotations.SpyK
 import io.mockk.just
 import io.mockk.mockk
-import kotlinx.coroutines.ExperimentalCoroutinesApi
+import io.mockk.spyk
 import kotlinx.coroutines.flow.flowOf
 import kotlinx.coroutines.flow.toList
 import kotlinx.coroutines.runBlocking
@@ -45,11 +45,10 @@ import java.time.Instant
 import java.time.ZoneOffset
 import kotlin.test.assertTrue
 
-@OptIn(ExperimentalCoroutinesApi::class)
 class MessageRepositoryTest {
 
-    @SpyK
-    private var sdk = Sdk()
+    private var sdk = spyk<Sdk>()
+    private val wulkanowySdkFactory = createWulkanowySdkFactoryMock(sdk)
 
     @MockK
     private lateinit var messageDb: MessagesDao
@@ -102,7 +101,7 @@ class MessageRepositoryTest {
             messagesDb = messageDb,
             mutedMessageSendersDao = mutesDb,
             messageAttachmentDao = messageAttachmentDao,
-            sdk = sdk,
+            wulkanowySdkFactory = wulkanowySdkFactory,
             context = context,
             refreshHelper = refreshHelper,
             sharedPrefProvider = sharedPrefProvider,

app/src/test/java/io/github/wulkanowy/data/repositories/MobileDeviceRepositoryTest.kt

@@ -1,5 +1,6 @@
 package io.github.wulkanowy.data.repositories
 
+import io.github.wulkanowy.createWulkanowySdkFactoryMock
 import io.github.wulkanowy.data.dataOrNull
 import io.github.wulkanowy.data.db.dao.MobileDeviceDao
 import io.github.wulkanowy.data.errorOrNull
@@ -16,8 +17,8 @@ import io.mockk.coEvery
 import io.mockk.coVerify
 import io.mockk.every
 import io.mockk.impl.annotations.MockK
-import io.mockk.impl.annotations.SpyK
 import io.mockk.just
+import io.mockk.spyk
 import kotlinx.coroutines.flow.flowOf
 import kotlinx.coroutines.test.runTest
 import org.junit.Assert
@@ -28,8 +29,8 @@ import java.time.ZonedDateTime.of
 
 class MobileDeviceRepositoryTest {
 
-    @SpyK
-    private var sdk = Sdk()
+    private var sdk = spyk<Sdk>()
+    private val wulkanowySdkFactory = createWulkanowySdkFactoryMock(sdk)
 
     @MockK
     private lateinit var mobileDeviceDb: MobileDeviceDao
@@ -53,7 +54,8 @@ class MobileDeviceRepositoryTest {
         MockKAnnotations.init(this)
         every { refreshHelper.shouldBeRefreshed(any()) } returns false
 
-        mobileDeviceRepository = MobileDeviceRepository(mobileDeviceDb, sdk, refreshHelper)
+        mobileDeviceRepository =
+            MobileDeviceRepository(mobileDeviceDb, wulkanowySdkFactory, refreshHelper)
     }
 
     @Test

app/src/test/java/io/github/wulkanowy/data/repositories/RecipientLocalTest.kt

@@ -1,5 +1,6 @@
 package io.github.wulkanowy.data.repositories
 
+import io.github.wulkanowy.createWulkanowySdkFactoryMock
 import io.github.wulkanowy.data.db.dao.RecipientDao
 import io.github.wulkanowy.data.mappers.mapToEntities
 import io.github.wulkanowy.getMailboxEntity
@@ -7,9 +8,14 @@ import io.github.wulkanowy.getStudentEntity
 import io.github.wulkanowy.sdk.Sdk
 import io.github.wulkanowy.sdk.pojo.MailboxType
 import io.github.wulkanowy.utils.AutoRefreshHelper
-import io.mockk.*
+import io.mockk.MockKAnnotations
+import io.mockk.Runs
+import io.mockk.coEvery
+import io.mockk.coVerify
+import io.mockk.every
 import io.mockk.impl.annotations.MockK
-import io.mockk.impl.annotations.SpyK
+import io.mockk.just
+import io.mockk.spyk
 import kotlinx.coroutines.runBlocking
 import org.junit.Assert.assertEquals
 import org.junit.Before
@@ -18,8 +24,8 @@ import io.github.wulkanowy.sdk.pojo.Recipient as SdkRecipient
 
 class RecipientLocalTest {
 
-    @SpyK
-    private var sdk = Sdk()
+    private var sdk = spyk<Sdk>()
+    private val wulkanowySdkFactory = createWulkanowySdkFactoryMock(sdk)
 
     @MockK
     private lateinit var recipientDb: RecipientDao
@@ -63,7 +69,7 @@ class RecipientLocalTest {
         MockKAnnotations.init(this)
         every { refreshHelper.shouldBeRefreshed(any()) } returns false
 
-        recipientRepository = RecipientRepository(recipientDb, sdk, refreshHelper)
+        recipientRepository = RecipientRepository(recipientDb, wulkanowySdkFactory, refreshHelper)
     }
 
     @Test