Display day header from website in timetable (#1269)

app/build.gradle

@@ -160,7 +160,7 @@ ext {
 }
 
 dependencies {
-    implementation "io.github.wulkanowy:sdk:1.1.3"
+    implementation "io.github.wulkanowy:sdk:877b9135"
 
     coreLibraryDesugaring 'com.android.tools:desugar_jdk_libs:1.1.5'
 

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

@@ -181,4 +181,8 @@ internal class RepositoryModule {
     @Singleton
     @Provides
     fun provideStudentInfoDao(database: AppDatabase) = database.studentInfoDao
+
+    @Singleton
+    @Provides
+    fun provideTimetableHeaderDao(database: AppDatabase) = database.timetableHeaderDao
 }

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

@@ -32,6 +32,7 @@ import io.github.wulkanowy.data.db.dao.SubjectDao
 import io.github.wulkanowy.data.db.dao.TeacherDao
 import io.github.wulkanowy.data.db.dao.TimetableAdditionalDao
 import io.github.wulkanowy.data.db.dao.TimetableDao
+import io.github.wulkanowy.data.db.dao.TimetableHeaderDao
 import io.github.wulkanowy.data.db.entities.Attendance
 import io.github.wulkanowy.data.db.entities.AttendanceSummary
 import io.github.wulkanowy.data.db.entities.CompletedLesson
@@ -58,6 +59,7 @@ import io.github.wulkanowy.data.db.entities.Subject
 import io.github.wulkanowy.data.db.entities.Teacher
 import io.github.wulkanowy.data.db.entities.Timetable
 import io.github.wulkanowy.data.db.entities.TimetableAdditional
+import io.github.wulkanowy.data.db.entities.TimetableHeader
 import io.github.wulkanowy.data.db.migrations.Migration10
 import io.github.wulkanowy.data.db.migrations.Migration11
 import io.github.wulkanowy.data.db.migrations.Migration12
@@ -87,6 +89,7 @@ import io.github.wulkanowy.data.db.migrations.Migration33
 import io.github.wulkanowy.data.db.migrations.Migration34
 import io.github.wulkanowy.data.db.migrations.Migration35
 import io.github.wulkanowy.data.db.migrations.Migration36
+import io.github.wulkanowy.data.db.migrations.Migration37
 import io.github.wulkanowy.data.db.migrations.Migration4
 import io.github.wulkanowy.data.db.migrations.Migration5
 import io.github.wulkanowy.data.db.migrations.Migration6
@@ -125,6 +128,7 @@ import javax.inject.Singleton
         Conference::class,
         TimetableAdditional::class,
         StudentInfo::class,
+        TimetableHeader::class,
     ],
     version = AppDatabase.VERSION_SCHEMA,
     exportSchema = true
@@ -133,7 +137,7 @@ import javax.inject.Singleton
 abstract class AppDatabase : RoomDatabase() {
 
     companion object {
-        const val VERSION_SCHEMA = 36
+        const val VERSION_SCHEMA = 37
 
         fun getMigrations(sharedPrefProvider: SharedPrefProvider, appInfo: AppInfo) = arrayOf(
             Migration2(),
@@ -170,7 +174,8 @@ abstract class AppDatabase : RoomDatabase() {
             Migration33(),
             Migration34(),
             Migration35(appInfo),
-            Migration36()
+            Migration36(),
+            Migration37(),
         )
 
         fun newInstance(
@@ -236,4 +241,6 @@ abstract class AppDatabase : RoomDatabase() {
     abstract val timetableAdditionalDao: TimetableAdditionalDao
 
     abstract val studentInfoDao: StudentInfoDao
+
+    abstract val timetableHeaderDao: TimetableHeaderDao
 }

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

@@ -0,0 +1,16 @@
+package io.github.wulkanowy.data.db.dao
+
+import androidx.room.Dao
+import androidx.room.Query
+import io.github.wulkanowy.data.db.entities.TimetableHeader
+import kotlinx.coroutines.flow.Flow
+import java.time.LocalDate
+import javax.inject.Singleton
+
+@Dao
+@Singleton
+interface TimetableHeaderDao : BaseDao<TimetableHeader> {
+
+    @Query("SELECT * FROM TimetableHeaders WHERE diary_id = :diaryId AND student_id = :studentId AND date >= :from AND date <= :end")
+    fun loadAll(diaryId: Int, studentId: Int, from: LocalDate, end: LocalDate): Flow<List<TimetableHeader>>
+}

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

@@ -0,0 +1,25 @@
+package io.github.wulkanowy.data.db.entities
+
+import androidx.room.ColumnInfo
+import androidx.room.Entity
+import androidx.room.PrimaryKey
+import java.io.Serializable
+import java.time.LocalDate
+
+@Entity(tableName = "TimetableHeaders")
+data class TimetableHeader(
+
+    @ColumnInfo(name = "student_id")
+    val studentId: Int,
+
+    @ColumnInfo(name = "diary_id")
+    val diaryId: Int,
+
+    val date: LocalDate,
+
+    val content: String,
+) : Serializable {
+
+    @PrimaryKey(autoGenerate = true)
+    var id: Long = 0
+}

app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration37.kt

@@ -0,0 +1,21 @@
+package io.github.wulkanowy.data.db.migrations
+
+import androidx.room.migration.Migration
+import androidx.sqlite.db.SupportSQLiteDatabase
+
+class Migration37 : Migration(36, 37) {
+
+    override fun migrate(database: SupportSQLiteDatabase) {
+        database.execSQL(
+            """
+            CREATE TABLE IF NOT EXISTS TimetableHeaders (
+                id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
+                student_id INTEGER NOT NULL,
+                diary_id INTEGER NOT NULL,
+                date INTEGER NOT NULL,
+                content TEXT NOT NULL
+            )
+        """
+        )
+    }
+}

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

@@ -3,9 +3,19 @@ package io.github.wulkanowy.data.mappers
 import io.github.wulkanowy.data.db.entities.Semester
 import io.github.wulkanowy.data.db.entities.Timetable
 import io.github.wulkanowy.data.db.entities.TimetableAdditional
+import io.github.wulkanowy.data.db.entities.TimetableHeader
+import io.github.wulkanowy.data.pojos.TimetableFull
+import io.github.wulkanowy.sdk.pojo.TimetableFull as SdkTimetableFull
+import io.github.wulkanowy.sdk.pojo.TimetableDayHeader as SdkTimetableHeader
 import io.github.wulkanowy.sdk.pojo.Timetable as SdkTimetable
 import io.github.wulkanowy.sdk.pojo.TimetableAdditional as SdkTimetableAdditional
 
+fun SdkTimetableFull.mapToEntities(semester: Semester) = TimetableFull(
+    lessons = lessons.mapToEntities(semester),
+    additional = additional.mapToEntities(semester),
+    headers = headers.mapToEntities(semester)
+)
+
 fun List<SdkTimetable>.mapToEntities(semester: Semester) = map {
     Timetable(
         studentId = semester.studentId,
@@ -39,3 +49,13 @@ fun List<SdkTimetableAdditional>.mapToEntities(semester: Semester) = map {
         end = it.end
     )
 }
+
+@JvmName("mapToEntitiesTimetableHeaders")
+fun List<SdkTimetableHeader>.mapToEntities(semester: Semester) = map {
+    TimetableHeader(
+        studentId = semester.studentId,
+        diaryId = semester.diaryId,
+        date = it.date,
+        content = it.content
+    )
+}

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

@@ -0,0 +1,11 @@
+package io.github.wulkanowy.data.pojos
+
+import io.github.wulkanowy.data.db.entities.Timetable
+import io.github.wulkanowy.data.db.entities.TimetableAdditional
+import io.github.wulkanowy.data.db.entities.TimetableHeader
+
+data class TimetableFull(
+    val lessons: List<Timetable>,
+    val additional: List<TimetableAdditional>,
+    val headers: List<TimetableHeader>,
+)

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

@@ -2,11 +2,14 @@ package io.github.wulkanowy.data.repositories
 
 import io.github.wulkanowy.data.db.dao.TimetableAdditionalDao
 import io.github.wulkanowy.data.db.dao.TimetableDao
+import io.github.wulkanowy.data.db.dao.TimetableHeaderDao
 import io.github.wulkanowy.data.db.entities.Semester
 import io.github.wulkanowy.data.db.entities.Student
 import io.github.wulkanowy.data.db.entities.Timetable
 import io.github.wulkanowy.data.db.entities.TimetableAdditional
+import io.github.wulkanowy.data.db.entities.TimetableHeader
 import io.github.wulkanowy.data.mappers.mapToEntities
+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
@@ -16,8 +19,8 @@ import io.github.wulkanowy.utils.monday
 import io.github.wulkanowy.utils.networkBoundResource
 import io.github.wulkanowy.utils.sunday
 import io.github.wulkanowy.utils.uniqueSubtract
+import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.combine
-import kotlinx.coroutines.flow.map
 import kotlinx.coroutines.sync.Mutex
 import java.time.LocalDate
 import javax.inject.Inject
@@ -27,6 +30,7 @@ import javax.inject.Singleton
 class TimetableRepository @Inject constructor(
     private val timetableDb: TimetableDao,
     private val timetableAdditionalDb: TimetableAdditionalDao,
+    private val timetableHeaderDb: TimetableHeaderDao,
     private val sdk: Sdk,
     private val schedulerHelper: TimetableNotificationSchedulerHelper,
     private val refreshHelper: AutoRefreshHelper,
@@ -36,53 +40,111 @@ class TimetableRepository @Inject constructor(
 
     private val cacheKey = "timetable"
 
-    fun getTimetable(student: Student, semester: Semester, start: LocalDate, end: LocalDate, forceRefresh: Boolean, refreshAdditional: Boolean = false) = networkBoundResource(
+    fun getTimetable(
+        student: Student, semester: Semester, start: LocalDate, end: LocalDate,
+        forceRefresh: Boolean, refreshAdditional: Boolean = false
+    ) = networkBoundResource(
         mutex = saveFetchResultMutex,
-        shouldFetch = { (timetable, additional) -> timetable.isEmpty() || (additional.isEmpty() && refreshAdditional) || forceRefresh || refreshHelper.isShouldBeRefreshed(getRefreshKey(cacheKey, semester, start, end)) },
+        shouldFetch = { (timetable, additional, headers) ->
-        query = {
+            val refreshKey = getRefreshKey(cacheKey, semester, start, end)
-            timetableDb.loadAll(semester.diaryId, semester.studentId, start.monday, end.sunday)
+            val isShouldRefresh = refreshHelper.isShouldBeRefreshed(refreshKey)
-                .map { schedulerHelper.scheduleNotifications(it, student); it }
+            val isRefreshAdditional = additional.isEmpty() && refreshAdditional
-                .combine(timetableAdditionalDb.loadAll(semester.diaryId, semester.studentId, start.monday, end.sunday)) { timetable, additional ->
-                    timetable to additional
-                }
-        },
-        fetch = {
-            sdk.init(student).switchDiary(semester.diaryId, semester.schoolYear)
-                .getTimetable(start.monday, end.sunday)
-                .let { (normal, additional) -> normal.mapToEntities(semester) to additional.mapToEntities(semester) }
 
+            val isNoData = timetable.isEmpty() || isRefreshAdditional || headers.isEmpty()
+
+            isNoData || forceRefresh || isShouldRefresh
         },
-        saveFetchResult = { (oldTimetable, oldAdditional), (newTimetable, newAdditional) ->
+        query = { getFullTimetableFromDatabase(student, semester, start, end) },
-            refreshTimetable(student, oldTimetable, newTimetable)
+        fetch = {
-            refreshAdditional(oldAdditional, newAdditional)
+            val timetableFull = sdk.init(student)
+                .switchDiary(semester.diaryId, semester.schoolYear)
+                .getTimetableFull(start.monday, end.sunday)
+
+            timetableFull.mapToEntities(semester)
+        },
+        saveFetchResult = { timetableOld, timetableNew ->
+            refreshTimetable(student, timetableOld.lessons, timetableNew.lessons)
+            refreshAdditional(timetableOld.additional, timetableNew.additional)
+            refreshDayHeaders(timetableOld.headers, timetableNew.headers)
 
             refreshHelper.updateLastRefreshTimestamp(getRefreshKey(cacheKey, semester, start, end))
         },
-        filterResult = { (timetable, additional) ->
+        filterResult = { (timetable, additional, headers) ->
-            timetable.filter { item ->
+            TimetableFull(
-                item.date in start..end
+                lessons = timetable.filter { it.date in start..end },
-            } to additional.filter { item ->
+                additional = additional.filter { it.date in start..end },
-                item.date in start..end
+                headers = headers.filter { it.date in start..end }
-            }
+            )
         }
     )
 
-    private suspend fun refreshTimetable(student: Student, old: List<Timetable>, new: List<Timetable>) {
+    private fun getFullTimetableFromDatabase(
-        timetableDb.deleteAll(old.uniqueSubtract(new).also { schedulerHelper.cancelScheduled(it) })
+        student: Student, semester: Semester,
-        timetableDb.insertAll(new.uniqueSubtract(old).also { schedulerHelper.scheduleNotifications(it, student) }.map { item ->
+        start: LocalDate, end: LocalDate
-            item.also { new ->
+    ): Flow<TimetableFull> {
-                old.singleOrNull { new.start == it.start }?.let { old ->
+        val timetableFlow = timetableDb.loadAll(
-                    return@map new.copy(
+            diaryId = semester.diaryId,
-                        room = if (new.room.isEmpty()) old.room else new.room,
+            studentId = semester.studentId,
-                        teacher = if (new.teacher.isEmpty() && !new.changes && !old.changes) old.teacher else new.teacher
+            from = start.monday,
+            end = end.sunday
+        )
+        val headersFlow = timetableHeaderDb.loadAll(
+            diaryId = semester.diaryId,
+            studentId = semester.studentId,
+            from = start.monday,
+            end = end.sunday
+        )
+        val additionalFlow = timetableAdditionalDb.loadAll(
+            diaryId = semester.diaryId,
+            studentId = semester.studentId,
+            from = start.monday,
+            end = end.sunday
+        )
+        return combine(timetableFlow, headersFlow, additionalFlow) { lessons, headers, additional ->
+            schedulerHelper.scheduleNotifications(lessons, student)
+
+            TimetableFull(
+                lessons = lessons,
+                headers = headers,
+                additional = additional
             )
         }
     }
-        })
+
+    private suspend fun refreshTimetable(
+        student: Student,
+        lessonsOld: List<Timetable>, lessonsNew: List<Timetable>
+    ) {
+        val lessonsToRemove = lessonsOld uniqueSubtract lessonsNew
+        val lessonsToAdd = (lessonsNew uniqueSubtract lessonsOld).map { new ->
+            val matchingOld = lessonsOld.singleOrNull { new.start == it.start }
+            if (matchingOld != null) {
+                val useOldTeacher = new.teacher.isEmpty() && !new.changes && !matchingOld.changes
+                new.copy(
+                    room = if (new.room.isEmpty()) matchingOld.room else new.room,
+                    teacher = if (useOldTeacher) matchingOld.teacher
+                    else new.teacher
+                )
+            } else new
         }
 
-    private suspend fun refreshAdditional(old: List<TimetableAdditional>, new: List<TimetableAdditional>) {
+        timetableDb.deleteAll(lessonsToRemove)
-        timetableAdditionalDb.deleteAll(old.uniqueSubtract(new))
+        timetableDb.insertAll(lessonsToAdd)
-        timetableAdditionalDb.insertAll(new.uniqueSubtract(old))
+
+        schedulerHelper.cancelScheduled(lessonsToRemove, student)
+        schedulerHelper.scheduleNotifications(lessonsToAdd, student)
+    }
+
+    private suspend fun refreshAdditional(
+        old: List<TimetableAdditional>,
+        new: List<TimetableAdditional>
+    ) {
+        timetableAdditionalDb.deleteAll(old uniqueSubtract new)
+        timetableAdditionalDb.insertAll(new uniqueSubtract old)
+    }
+
+    private suspend fun refreshDayHeaders(old: List<TimetableHeader>, new: List<TimetableHeader>) {
+        timetableHeaderDb.deleteAll(old uniqueSubtract new)
+        timetableHeaderDb.insertAll(new uniqueSubtract old)
     }
 }

app/src/main/java/io/github/wulkanowy/services/alarm/TimetableNotificationSchedulerHelper.kt

@@ -51,7 +51,8 @@ class TimetableNotificationSchedulerHelper @Inject constructor(
         lesson: Timetable
     ) = day.getOrNull(index - 1)?.end ?: lesson.start.minusMinutes(30)
 
-    suspend fun cancelScheduled(lessons: List<Timetable>, studentId: Int = 1) {
+    suspend fun cancelScheduled(lessons: List<Timetable>, student: Student) {
+        val studentId = student.studentId
         withContext(dispatchersProvider.backgroundThread) {
             lessons.sortedBy { it.start }.forEachIndexed { index, lesson ->
                 val upcomingTime = getUpcomingLessonTime(index, lessons, lesson)
@@ -78,7 +79,7 @@ class TimetableNotificationSchedulerHelper @Inject constructor(
 
     suspend fun scheduleNotifications(lessons: List<Timetable>, student: Student) {
         if (!preferencesRepository.isUpcomingLessonsNotificationsEnable) {
-            return cancelScheduled(lessons, student.studentId)
+            return cancelScheduled(lessons, student)
         }
 
         withContext(dispatchersProvider.backgroundThread) {
@@ -89,7 +90,7 @@ class TimetableNotificationSchedulerHelper @Inject constructor(
                     val canceled = day.filter { it.canceled }
                     val active = day.filter { !it.canceled }
 
-                    cancelScheduled(canceled)
+                    cancelScheduled(canceled, student)
                     active.forEachIndexed { index, lesson ->
                         val intent = createIntent(student, lesson, active.getOrNull(index + 1))
 

app/src/main/java/io/github/wulkanowy/ui/modules/timetable/TimetableFragment.kt

@@ -7,6 +7,7 @@ import android.view.MenuItem
 import android.view.View
 import android.view.View.GONE
 import android.view.View.VISIBLE
+import androidx.core.text.HtmlCompat
 import androidx.recyclerview.widget.LinearLayoutManager
 import com.wdullaer.materialdatetimepicker.date.DatePickerDialog
 import dagger.hilt.android.AndroidEntryPoint
@@ -71,7 +72,9 @@ class TimetableFragment : BaseFragment<FragmentTimetableBinding>(R.layout.fragme
         with(binding) {
             timetableSwipe.setOnRefreshListener(presenter::onSwipeRefresh)
             timetableSwipe.setColorSchemeColors(requireContext().getThemeAttrColor(R.attr.colorPrimary))
-            timetableSwipe.setProgressBackgroundColorSchemeColor(requireContext().getThemeAttrColor(R.attr.colorSwipeRefresh))
+            timetableSwipe.setProgressBackgroundColorSchemeColor(
+                requireContext().getThemeAttrColor(R.attr.colorSwipeRefresh)
+            )
             timetableErrorRetry.setOnClickListener { presenter.onRetry() }
             timetableErrorDetails.setOnClickListener { presenter.onDetailsClick() }
 
@@ -95,7 +98,12 @@ class TimetableFragment : BaseFragment<FragmentTimetableBinding>(R.layout.fragme
         }
     }
 
-    override fun updateData(data: List<Timetable>, showWholeClassPlanType: String, showGroupsInPlanType: Boolean, showTimetableTimers: Boolean) {
+    override fun updateData(
+        data: List<Timetable>,
+        showWholeClassPlanType: String,
+        showGroupsInPlanType: Boolean,
+        showTimetableTimers: Boolean
+    ) {
         with(timetableAdapter) {
             items = data.toMutableList()
             showTimers = showTimetableTimers
@@ -136,6 +144,13 @@ class TimetableFragment : BaseFragment<FragmentTimetableBinding>(R.layout.fragme
         binding.timetableEmpty.visibility = if (show) VISIBLE else GONE
     }
 
+    override fun setDayHeaderMessage(message: String?) {
+        binding.timetableEmptyMessage.visibility = if (message.isNullOrEmpty()) GONE else VISIBLE
+        binding.timetableEmptyMessage.text = HtmlCompat.fromHtml(
+            message.orEmpty(), HtmlCompat.FROM_HTML_MODE_COMPACT
+        )
+    }
+
     override fun showErrorView(show: Boolean) {
         binding.timetableError.visibility = if (show) VISIBLE else GONE
     }
@@ -172,8 +187,10 @@ class TimetableFragment : BaseFragment<FragmentTimetableBinding>(R.layout.fragme
         val dateSetListener = DatePickerDialog.OnDateSetListener { _, year, month, dayOfMonth ->
             presenter.onDateSet(year, month + 1, dayOfMonth)
         }
-        val datePickerDialog = DatePickerDialog.newInstance(dateSetListener,
+        val datePickerDialog = DatePickerDialog.newInstance(
-            currentDate.year, currentDate.monthValue - 1, currentDate.dayOfMonth)
+            dateSetListener,
+            currentDate.year, currentDate.monthValue - 1, currentDate.dayOfMonth
+        )
 
         with(datePickerDialog) {
             setDateRangeLimiter(SchooldaysRangeLimiter())

app/src/main/java/io/github/wulkanowy/ui/modules/timetable/TimetablePresenter.kt

@@ -138,32 +138,37 @@ class TimetablePresenter @Inject constructor(
         flowWithResourceIn {
             val student = studentRepository.getCurrentStudent()
             val semester = semesterRepository.getCurrentSemester(student)
-            timetableRepository.getTimetable(student, semester, currentDate, currentDate, forceRefresh)
+            timetableRepository.getTimetable(
+                student, semester, currentDate, currentDate, forceRefresh
+            )
         }.onEach {
             when (it.status) {
                 Status.LOADING -> {
-                    if (!it.data?.first.isNullOrEmpty()) {
+                    if (!it.data?.lessons.isNullOrEmpty()) {
                         view?.run {
                             enableSwipe(true)
                             showRefresh(true)
                             showProgress(false)
                             showContent(true)
-                            updateData(it.data!!.first)
+                            updateData(it.data!!.lessons)
                         }
                     }
                 }
                 Status.SUCCESS -> {
                     Timber.i("Loading timetable result: Success")
                     view?.apply {
-                        updateData(it.data!!.first)
+                        updateData(it.data!!.lessons)
-                        showEmpty(it.data.first.isEmpty())
+                        showEmpty(it.data.lessons.isEmpty())
+                        setDayHeaderMessage(it.data.headers.singleOrNull { header ->
+                            header.date == currentDate
+                        }?.content)
                         showErrorView(false)
-                        showContent(it.data.first.isNotEmpty())
+                        showContent(it.data.lessons.isNotEmpty())
                     }
                     analytics.logEvent(
                         "load_data",
                         "type" to "timetable",
-                        "items" to it.data!!.first.size
+                        "items" to it.data!!.lessons.size
                     )
                 }
                 Status.ERROR -> {

app/src/main/java/io/github/wulkanowy/ui/modules/timetable/TimetableView.kt

@@ -24,6 +24,8 @@ interface TimetableView : BaseView {
 
     fun showEmpty(show: Boolean)
 
+    fun setDayHeaderMessage(message: String?)
+
     fun showErrorView(show: Boolean)
 
     fun setErrorDetails(message: String)

app/src/main/java/io/github/wulkanowy/ui/modules/timetable/additional/AdditionalLessonsPresenter.kt

@@ -110,15 +110,15 @@ class AdditionalLessonsPresenter @Inject constructor(
                 Status.SUCCESS -> {
                     Timber.i("Loading additional lessons lessons result: Success")
                     view?.apply {
-                        updateData(it.data!!.second.sortedBy { item -> item.date })
+                        updateData(it.data!!.additional.sortedBy { item -> item.date })
-                        showEmpty(it.data.second.isEmpty())
+                        showEmpty(it.data.additional.isEmpty())
                         showErrorView(false)
-                        showContent(it.data.second.isNotEmpty())
+                        showContent(it.data.additional.isNotEmpty())
                     }
                     analytics.logEvent(
                         "load_data",
                         "type" to "additional_lessons",
-                        "items" to it.data!!.second.size
+                        "items" to it.data!!.additional.size
                     )
                 }
                 Status.ERROR -> {

app/src/main/java/io/github/wulkanowy/ui/modules/timetablewidget/TimetableWidgetFactory.kt

@@ -107,7 +107,7 @@ class TimetableWidgetFactory(
 
             val semester = semesterRepository.getCurrentSemester(student)
             timetableRepository.getTimetable(student, semester, date, date, false)
-                .toFirstResult().data?.first.orEmpty()
+                .toFirstResult().data?.lessons.orEmpty()
                 .sortedWith(compareBy({ it.number }, { !it.isStudentPlan }))
                 .filter { if (prefRepository.showWholeClassPlan == "no") it.isStudentPlan else true }
         }

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

@@ -15,7 +15,8 @@
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:layout_gravity="center"
-            android:indeterminate="true" />
+            android:indeterminate="true"
+            tools:visibility="gone" />
 
         <androidx.swiperefreshlayout.widget.SwipeRefreshLayout
             android:id="@+id/timetableSwipe"
@@ -26,7 +27,8 @@
                 android:id="@+id/timetableRecycler"
                 android:layout_width="match_parent"
                 android:layout_height="match_parent"
-                tools:listitem="@layout/item_timetable" />
+                tools:listitem="@layout/item_timetable"
+                tools:visibility="visible" />
         </androidx.swiperefreshlayout.widget.SwipeRefreshLayout>
 
         <LinearLayout
@@ -53,6 +55,18 @@
                 android:gravity="center"
                 android:text="@string/timetable_no_items"
                 android:textSize="20sp" />
+
+            <TextView
+                android:id="@+id/timetableEmptyMessage"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="24dp"
+                android:gravity="center"
+                android:lineSpacingMultiplier="1.2"
+                android:textColor="?android:textColorSecondary"
+                android:textSize="16sp"
+                tools:maxLines="4"
+                tools:text="@tools:sample/lorem/random" />
         </LinearLayout>
 
         <LinearLayout

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

@@ -121,7 +121,7 @@
         app:layout_constraintStart_toEndOf="@+id/timetableItemTeacher"
         app:layout_constraintTop_toTopOf="@+id/timetableItemTimeFinish"
         tools:text="Lekcja odwołana: uczniowie zwolnieni do domu"
-        tools:visibility="visible" />
+        tools:visibility="gone" />
 
     <androidx.constraintlayout.widget.Barrier
         android:id="@+id/timetableItemTimeBarrier"

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

@@ -2,10 +2,12 @@ package io.github.wulkanowy.data.repositories
 
 import io.github.wulkanowy.data.db.dao.TimetableAdditionalDao
 import io.github.wulkanowy.data.db.dao.TimetableDao
+import io.github.wulkanowy.data.db.dao.TimetableHeaderDao
 import io.github.wulkanowy.data.mappers.mapToEntities
 import io.github.wulkanowy.getSemesterEntity
 import io.github.wulkanowy.getStudentEntity
 import io.github.wulkanowy.sdk.Sdk
+import io.github.wulkanowy.sdk.pojo.TimetableFull
 import io.github.wulkanowy.services.alarm.TimetableNotificationSchedulerHelper
 import io.github.wulkanowy.utils.AutoRefreshHelper
 import io.github.wulkanowy.utils.toFirstResult
@@ -41,6 +43,9 @@ class TimetableRepositoryTest {
     @MockK
     private lateinit var timetableAdditionalDao: TimetableAdditionalDao
 
+    @MockK
+    private lateinit var timetableHeaderDao: TimetableHeaderDao
+
     @MockK(relaxUnitFun = true)
     private lateinit var refreshHelper: AutoRefreshHelper
 
@@ -59,7 +64,7 @@ class TimetableRepositoryTest {
         MockKAnnotations.init(this)
         every { refreshHelper.isShouldBeRefreshed(any()) } returns false
 
-        timetableRepository = TimetableRepository(timetableDb, timetableAdditionalDao, sdk, timetableNotificationSchedulerHelper, refreshHelper)
+        timetableRepository = TimetableRepository(timetableDb, timetableAdditionalDao, timetableHeaderDao, sdk, timetableNotificationSchedulerHelper, refreshHelper)
     }
 
     @Test
@@ -71,7 +76,7 @@ class TimetableRepositoryTest {
             createTimetableRemote(of(2021, 1, 4, 9, 40), 3, "", "W-F"),
             createTimetableRemote(of(2021, 1, 4, 10, 30), 4, "", "W-F")
         )
-        coEvery { sdk.getTimetable(any(), any()) } returns (remoteList to emptyList())
+        coEvery { sdk.getTimetableFull(any(), any()) } returns TimetableFull(emptyList(), remoteList, emptyList())
 
         val localList = listOf(
             createTimetableRemote(of(2021, 1, 4, 8, 0), 1, "123", "Przyroda"),
@@ -87,13 +92,17 @@ class TimetableRepositoryTest {
         coEvery { timetableAdditionalDao.insertAll(emptyList()) } returns listOf(1, 2, 3)
         coEvery { timetableAdditionalDao.deleteAll(emptyList()) } just Runs
 
+        coEvery { timetableHeaderDao.loadAll(1, 1, startDate, endDate) } returns flowOf(listOf())
+        coEvery { timetableHeaderDao.insertAll(emptyList()) } returns listOf(1, 2, 3)
+        coEvery { timetableHeaderDao.deleteAll(emptyList()) } just Runs
+
         // execute
         val res = runBlocking {
             timetableRepository.getTimetable(student, semester, startDate, endDate, true).toFirstResult()
         }
 
         // verify
-        assertEquals(4, res.data?.first.orEmpty().size)
+        assertEquals(4, res.data?.lessons.orEmpty().size)
         coVerify {
             timetableDb.insertAll(withArg {
                 assertEquals(4, it.size)
@@ -124,7 +133,7 @@ class TimetableRepositoryTest {
             createTimetableRemote(of(2021, 1, 6, 9, 40), 3, "125", "Matematyka", "Paweł Środowski", false),
             createTimetableRemote(of(2021, 1, 6, 10, 40), 4, "126", "Matematyka", "Paweł Czwartkowski", true)
         )
-        coEvery { sdk.getTimetable(startDate, endDate) } returns (remoteList to emptyList())
+        coEvery { sdk.getTimetableFull(startDate, endDate) } returns TimetableFull(emptyList(), remoteList, emptyList())
 
         val localList = listOf(
             createTimetableRemote(of(2021, 1, 4, 8, 0), 1, "123", "Matematyka", "Paweł Poniedziałkowski", false),
@@ -150,12 +159,16 @@ class TimetableRepositoryTest {
         coEvery { timetableAdditionalDao.insertAll(emptyList()) } returns listOf(1, 2, 3)
         coEvery { timetableAdditionalDao.deleteAll(emptyList()) } just Runs
 
+        coEvery { timetableHeaderDao.loadAll(1, 1, startDate, endDate) } returns flowOf(listOf())
+        coEvery { timetableHeaderDao.insertAll(emptyList()) } returns listOf(1, 2, 3)
+        coEvery { timetableHeaderDao.deleteAll(emptyList()) } just Runs
+
         // execute
         val res = runBlocking { timetableRepository.getTimetable(student, semester, startDate, endDate, true).toFirstResult() }
 
         // verify
         assertEquals(null, res.error)
-        assertEquals(12, res.data!!.first.size)
+        assertEquals(12, res.data!!.lessons.size)
 
         coVerify {
             timetableDb.insertAll(withArg {
@@ -187,7 +200,7 @@ class TimetableRepositoryTest {
         )
 
         // prepare
-        coEvery { sdk.getTimetable(startDate, endDate) } returns (remoteList to emptyList())
+        coEvery { sdk.getTimetableFull(startDate, endDate) } returns TimetableFull(emptyList(), remoteList, emptyList())
         coEvery { timetableDb.loadAll(1, 1, startDate, endDate) } returnsMany listOf(
             flowOf(remoteList.mapToEntities(semester)),
             flowOf(remoteList.mapToEntities(semester))
@@ -199,13 +212,17 @@ class TimetableRepositoryTest {
         coEvery { timetableAdditionalDao.deleteAll(emptyList()) } just Runs
         coEvery { timetableAdditionalDao.insertAll(emptyList()) } returns listOf(1, 2, 3)
 
+        coEvery { timetableHeaderDao.loadAll(1, 1, startDate, endDate) } returns flowOf(listOf())
+        coEvery { timetableHeaderDao.insertAll(emptyList()) } returns listOf(1, 2, 3)
+        coEvery { timetableHeaderDao.deleteAll(emptyList()) } just Runs
+
         // execute
         val res = runBlocking { timetableRepository.getTimetable(student, semester, startDate, endDate, true).toFirstResult() }
 
         // verify
         assertEquals(null, res.error)
-        assertEquals(2, res.data?.first?.size)
+        assertEquals(2, res.data?.lessons?.size)
-        coVerify { sdk.getTimetable(startDate, endDate) }
+        coVerify { sdk.getTimetableFull(startDate, endDate) }
         coVerify { timetableDb.loadAll(1, 1, startDate, endDate) }
         coVerify { timetableDb.insertAll(match { it.isEmpty() }) }
         coVerify { timetableDb.deleteAll(match { it.isEmpty() }) }