Add school announcements (#1323)

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

@@ -185,4 +185,8 @@ internal class RepositoryModule {
     @Singleton
     @Provides
     fun provideTimetableHeaderDao(database: AppDatabase) = database.timetableHeaderDao
+
+    @Singleton
+    @Provides
+    fun provideSchoolAnnouncementDao(database: AppDatabase) = database.schoolAnnouncementDao
 }

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

@@ -10,6 +10,7 @@ import io.github.wulkanowy.data.db.dao.AttendanceDao
 import io.github.wulkanowy.data.db.dao.AttendanceSummaryDao
 import io.github.wulkanowy.data.db.dao.CompletedLessonsDao
 import io.github.wulkanowy.data.db.dao.ConferenceDao
+import io.github.wulkanowy.data.db.dao.SchoolAnnouncementDao
 import io.github.wulkanowy.data.db.dao.ExamDao
 import io.github.wulkanowy.data.db.dao.GradeDao
 import io.github.wulkanowy.data.db.dao.GradePartialStatisticsDao
@@ -37,6 +38,7 @@ import io.github.wulkanowy.data.db.entities.Attendance
 import io.github.wulkanowy.data.db.entities.AttendanceSummary
 import io.github.wulkanowy.data.db.entities.CompletedLesson
 import io.github.wulkanowy.data.db.entities.Conference
+import io.github.wulkanowy.data.db.entities.SchoolAnnouncement
 import io.github.wulkanowy.data.db.entities.Exam
 import io.github.wulkanowy.data.db.entities.Grade
 import io.github.wulkanowy.data.db.entities.GradePartialStatistics
@@ -90,6 +92,7 @@ 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.Migration38
 import io.github.wulkanowy.data.db.migrations.Migration4
 import io.github.wulkanowy.data.db.migrations.Migration5
 import io.github.wulkanowy.data.db.migrations.Migration6
@@ -129,6 +132,7 @@ import javax.inject.Singleton
         TimetableAdditional::class,
         StudentInfo::class,
         TimetableHeader::class,
+        SchoolAnnouncement::class,
     ],
     version = AppDatabase.VERSION_SCHEMA,
     exportSchema = true
@@ -137,7 +141,7 @@ import javax.inject.Singleton
 abstract class AppDatabase : RoomDatabase() {
 
     companion object {
-        const val VERSION_SCHEMA = 37
+        const val VERSION_SCHEMA = 38
 
         fun getMigrations(sharedPrefProvider: SharedPrefProvider, appInfo: AppInfo) = arrayOf(
             Migration2(),
@@ -176,6 +180,7 @@ abstract class AppDatabase : RoomDatabase() {
             Migration35(appInfo),
             Migration36(),
             Migration37(),
+            Migration38(),
         )
 
         fun newInstance(
@@ -243,4 +248,6 @@ abstract class AppDatabase : RoomDatabase() {
     abstract val studentInfoDao: StudentInfoDao
 
     abstract val timetableHeaderDao: TimetableHeaderDao
+
+    abstract val schoolAnnouncementDao: SchoolAnnouncementDao
 }

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

@@ -0,0 +1,15 @@
+package io.github.wulkanowy.data.db.dao
+
+import androidx.room.Dao
+import androidx.room.Query
+import io.github.wulkanowy.data.db.entities.SchoolAnnouncement
+import kotlinx.coroutines.flow.Flow
+import javax.inject.Singleton
+
+@Dao
+@Singleton
+interface SchoolAnnouncementDao : BaseDao<SchoolAnnouncement> {
+
+    @Query("SELECT * FROM SchoolAnnouncements WHERE student_id = :studentId")
+    fun loadAll(studentId: Int): Flow<List<SchoolAnnouncement>>
+}

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

@@ -0,0 +1,24 @@
+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 = "SchoolAnnouncements")
+data class SchoolAnnouncement(
+
+    @ColumnInfo(name = "student_id")
+    val studentId: Int,
+
+    val date: LocalDate,
+
+    val subject: String,
+
+    val content: String
+) : Serializable {
+
+    @PrimaryKey(autoGenerate = true)
+    var id: Long = 0
+}

app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration36.kt

@@ -9,4 +9,4 @@ class Migration36 : Migration(35, 36) {
         database.execSQL("ALTER TABLE Exams ADD COLUMN is_notified INTEGER NOT NULL DEFAULT 1")
         database.execSQL("ALTER TABLE Homework ADD COLUMN is_notified INTEGER NOT NULL DEFAULT 1")
     }
-}
+}

app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration38.kt

@@ -0,0 +1,19 @@
+package io.github.wulkanowy.data.db.migrations
+
+import androidx.room.migration.Migration
+import androidx.sqlite.db.SupportSQLiteDatabase
+
+class Migration38 : Migration(37, 38) {
+
+    override fun migrate(database: SupportSQLiteDatabase) {
+        database.execSQL("""
+            CREATE TABLE IF NOT EXISTS `SchoolAnnouncements` (
+                `id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
+                `student_id` INTEGER NOT NULL,
+                `date` INTEGER NOT NULL,
+                `subject` TEXT NOT NULL,
+                `content` TEXT NOT NULL
+            )
+        """)
+    }
+}

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

@@ -0,0 +1,14 @@
+package io.github.wulkanowy.data.mappers
+
+import io.github.wulkanowy.data.db.entities.SchoolAnnouncement
+import io.github.wulkanowy.data.db.entities.Student
+import io.github.wulkanowy.sdk.pojo.DirectorInformation as SdkDirectorInformation
+
+fun List<SdkDirectorInformation>.mapToEntities(student: Student) = map {
+    SchoolAnnouncement(
+        studentId = student.studentId,
+        date = it.date,
+        subject = it.subject,
+        content = it.content,
+    )
+}

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

@@ -0,0 +1,43 @@
+package io.github.wulkanowy.data.repositories
+
+import io.github.wulkanowy.data.db.dao.SchoolAnnouncementDao
+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.networkBoundResource
+import io.github.wulkanowy.utils.uniqueSubtract
+import kotlinx.coroutines.sync.Mutex
+import javax.inject.Inject
+import javax.inject.Singleton
+
+@Singleton
+class SchoolAnnouncementRepository @Inject constructor(
+    private val schoolAnnouncementDb: SchoolAnnouncementDao,
+    private val sdk: Sdk,
+    private val refreshHelper: AutoRefreshHelper,
+) {
+
+    private val saveFetchResultMutex = Mutex()
+
+    private val cacheKey = "school_announcement"
+
+    fun getSchoolAnnouncements(student: Student, forceRefresh: Boolean) = networkBoundResource(
+        mutex = saveFetchResultMutex,
+        shouldFetch = {
+            it.isEmpty() || forceRefresh || refreshHelper.isShouldBeRefreshed(
+                getRefreshKey(cacheKey, student)
+            )
+        },
+        query = { schoolAnnouncementDb.loadAll(student.studentId) },
+        fetch = { sdk.init(student).getDirectorInformation().mapToEntities(student) },
+        saveFetchResult = { old, new ->
+            schoolAnnouncementDb.deleteAll(old uniqueSubtract new)
+            schoolAnnouncementDb.insertAll(new uniqueSubtract old)
+
+            refreshHelper.updateLastRefreshTimestamp(getRefreshKey(cacheKey, student))
+        }
+    )
+}

app/src/main/java/io/github/wulkanowy/services/ServicesModule.kt

@@ -33,6 +33,7 @@ import io.github.wulkanowy.services.sync.works.LuckyNumberWork
 import io.github.wulkanowy.services.sync.works.MessageWork
 import io.github.wulkanowy.services.sync.works.NoteWork
 import io.github.wulkanowy.services.sync.works.RecipientWork
+import io.github.wulkanowy.services.sync.works.SchoolAnnouncementWork
 import io.github.wulkanowy.services.sync.works.TeacherWork
 import io.github.wulkanowy.services.sync.works.TimetableWork
 import io.github.wulkanowy.services.sync.works.Work
@@ -46,15 +47,18 @@ abstract class ServicesModule {
     companion object {
 
         @Provides
-        fun provideWorkManager(@ApplicationContext context: Context) = WorkManager.getInstance(context)
+        fun provideWorkManager(@ApplicationContext context: Context) =
+            WorkManager.getInstance(context)
 
         @Singleton
         @Provides
-        fun provideNotificationManager(@ApplicationContext context: Context) = NotificationManagerCompat.from(context)
+        fun provideNotificationManager(@ApplicationContext context: Context) =
+            NotificationManagerCompat.from(context)
 
         @Singleton
         @Provides
-        fun provideAlarmManager(@ApplicationContext context: Context): AlarmManager = context.getSystemService()!!
+        fun provideAlarmManager(@ApplicationContext context: Context): AlarmManager =
+            context.getSystemService()!!
     }
 
     @Binds
@@ -109,6 +113,10 @@ abstract class ServicesModule {
     @IntoSet
     abstract fun provideGradeStatistics(work: GradeStatisticsWork): Work
 
+    @Binds
+    @IntoSet
+    abstract fun provideSchoolAnnouncementWork(work: SchoolAnnouncementWork): Work
+
     @Binds
     @IntoSet
     abstract fun provideDebugChannel(channel: DebugChannel): Channel

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

@@ -0,0 +1,16 @@
+package io.github.wulkanowy.services.sync.works
+
+import io.github.wulkanowy.data.db.entities.Semester
+import io.github.wulkanowy.data.db.entities.Student
+import io.github.wulkanowy.data.repositories.SchoolAnnouncementRepository
+import io.github.wulkanowy.utils.waitForResult
+import javax.inject.Inject
+
+class SchoolAnnouncementWork @Inject constructor(
+    private val schoolAnnouncementRepository: SchoolAnnouncementRepository,
+) : Work {
+
+    override suspend fun doWork(student: Student, semester: Semester) {
+        schoolAnnouncementRepository.getSchoolAnnouncements(student, true).waitForResult()
+    }
+}

app/src/main/java/io/github/wulkanowy/ui/modules/more/MoreFragment.kt

@@ -9,6 +9,7 @@ import io.github.wulkanowy.R
 import io.github.wulkanowy.databinding.FragmentMoreBinding
 import io.github.wulkanowy.ui.base.BaseFragment
 import io.github.wulkanowy.ui.modules.conference.ConferenceFragment
+import io.github.wulkanowy.ui.modules.schoolannouncement.SchoolAnnouncementFragment
 import io.github.wulkanowy.ui.modules.homework.HomeworkFragment
 import io.github.wulkanowy.ui.modules.luckynumber.LuckyNumberFragment
 import io.github.wulkanowy.ui.modules.main.MainActivity
@@ -56,6 +57,9 @@ class MoreFragment : BaseFragment<FragmentMoreBinding>(R.layout.fragment_more),
     override val conferencesRes: Pair<String, Drawable?>?
         get() = context?.run { getString(R.string.conferences_title) to getCompatDrawable(R.drawable.ic_more_conferences) }
 
+    override val schoolAnnouncementRes: Pair<String, Drawable?>?
+        get() = context?.run { getString(R.string.school_announcement_title) to getCompatDrawable(R.drawable.ic_all_about) }
+
     override val schoolAndTeachersRes: Pair<String, Drawable?>?
         get() = context?.run { getString(R.string.schoolandteachers_title) to getCompatDrawable((R.drawable.ic_more_schoolandteachers)) }
 
@@ -108,6 +112,10 @@ class MoreFragment : BaseFragment<FragmentMoreBinding>(R.layout.fragment_more),
         (activity as? MainActivity)?.pushView(MobileDeviceFragment.newInstance())
     }
 
+    override fun openSchoolAnnouncementView() {
+        (activity as? MainActivity)?.pushView(SchoolAnnouncementFragment.newInstance())
+    }
+
     override fun openConferencesView() {
         (activity as? MainActivity)?.pushView(ConferenceFragment.newInstance())
     }

app/src/main/java/io/github/wulkanowy/ui/modules/more/MorePresenter.kt

@@ -28,6 +28,7 @@ class MorePresenter @Inject constructor(
                 luckyNumberRes?.first -> openLuckyNumberView()
                 mobileDevicesRes?.first -> openMobileDevicesView()
                 conferencesRes?.first -> openConferencesView()
+                schoolAnnouncementRes?.first -> openSchoolAnnouncementView()
                 schoolAndTeachersRes?.first -> openSchoolAndTeachersView()
                 settingsRes?.first -> openSettingsView()
             }
@@ -49,6 +50,7 @@ class MorePresenter @Inject constructor(
                 luckyNumberRes,
                 mobileDevicesRes,
                 conferencesRes,
+                schoolAnnouncementRes,
                 schoolAndTeachersRes,
                 settingsRes
             ))

app/src/main/java/io/github/wulkanowy/ui/modules/more/MoreView.kt

@@ -17,6 +17,8 @@ interface MoreView : BaseView {
 
     val conferencesRes: Pair<String, Drawable?>?
 
+    val schoolAnnouncementRes: Pair<String, Drawable?>?
+
     val schoolAndTeachersRes: Pair<String, Drawable?>?
 
     val settingsRes: Pair<String, Drawable?>?
@@ -39,6 +41,8 @@ interface MoreView : BaseView {
 
     fun openMobileDevicesView()
 
+    fun openSchoolAnnouncementView()
+
     fun openConferencesView()
 
     fun openSchoolAndTeachersView()

app/src/main/java/io/github/wulkanowy/ui/modules/schoolannouncement/SchoolAnnouncementAdapter.kt

@@ -0,0 +1,37 @@
+package io.github.wulkanowy.ui.modules.schoolannouncement
+
+import android.view.LayoutInflater
+import android.view.ViewGroup
+import androidx.core.text.HtmlCompat
+import androidx.recyclerview.widget.RecyclerView
+import io.github.wulkanowy.data.db.entities.SchoolAnnouncement
+import io.github.wulkanowy.databinding.ItemSchoolAnnouncementBinding
+import io.github.wulkanowy.utils.toFormattedString
+import javax.inject.Inject
+
+class SchoolAnnouncementAdapter @Inject constructor() :
+    RecyclerView.Adapter<SchoolAnnouncementAdapter.ViewHolder>() {
+
+    var items = emptyList<SchoolAnnouncement>()
+
+    override fun getItemCount() = items.size
+
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int) = ViewHolder(
+        ItemSchoolAnnouncementBinding.inflate(LayoutInflater.from(parent.context), parent, false)
+    )
+
+    override fun onBindViewHolder(holder: ViewHolder, position: Int) {
+        val item = items[position]
+
+        with(holder.binding) {
+            schoolAnnouncementItemDate.text = item.date.toFormattedString()
+            schoolAnnouncementItemType.text = item.subject
+            schoolAnnouncementItemContent.text = HtmlCompat.fromHtml(
+                item.content, HtmlCompat.FROM_HTML_MODE_COMPACT
+            )
+        }
+    }
+
+    class ViewHolder(val binding: ItemSchoolAnnouncementBinding) :
+        RecyclerView.ViewHolder(binding.root)
+}

app/src/main/java/io/github/wulkanowy/ui/modules/schoolannouncement/SchoolAnnouncementFragment.kt

@@ -0,0 +1,106 @@
+package io.github.wulkanowy.ui.modules.schoolannouncement
+
+import android.os.Bundle
+import android.view.View
+import androidx.recyclerview.widget.LinearLayoutManager
+import dagger.hilt.android.AndroidEntryPoint
+import io.github.wulkanowy.R
+import io.github.wulkanowy.data.db.entities.SchoolAnnouncement
+import io.github.wulkanowy.databinding.FragmentSchoolAnnouncementBinding
+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 SchoolAnnouncementFragment :
+    BaseFragment<FragmentSchoolAnnouncementBinding>(R.layout.fragment_school_announcement),
+    SchoolAnnouncementView, MainView.TitledView {
+
+    @Inject
+    lateinit var presenter: SchoolAnnouncementPresenter
+
+    @Inject
+    lateinit var schoolAnnouncementAdapter: SchoolAnnouncementAdapter
+
+    companion object {
+        fun newInstance() = SchoolAnnouncementFragment()
+    }
+
+    override val titleStringId: Int
+        get() = R.string.school_announcement_title
+
+    override val isViewEmpty: Boolean
+        get() = schoolAnnouncementAdapter.items.isEmpty()
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+        binding = FragmentSchoolAnnouncementBinding.bind(view)
+        presenter.onAttachView(this)
+    }
+
+    override fun initView() {
+        with(binding.directorInformationRecycler) {
+            layoutManager = LinearLayoutManager(context)
+            adapter = schoolAnnouncementAdapter
+            addItemDecoration(DividerItemDecoration(context))
+        }
+        with(binding) {
+            directorInformationSwipe.setOnRefreshListener(presenter::onSwipeRefresh)
+            directorInformationSwipe.setColorSchemeColors(requireContext().getThemeAttrColor(R.attr.colorPrimary))
+            directorInformationSwipe.setProgressBackgroundColorSchemeColor(
+                requireContext().getThemeAttrColor(R.attr.colorSwipeRefresh)
+            )
+            directorInformationErrorRetry.setOnClickListener { presenter.onRetry() }
+            directorInformationErrorDetails.setOnClickListener { presenter.onDetailsClick() }
+        }
+    }
+
+    override fun updateData(data: List<SchoolAnnouncement>) {
+        with(schoolAnnouncementAdapter) {
+            items = data
+            notifyDataSetChanged()
+        }
+    }
+
+    override fun clearData() {
+        with(schoolAnnouncementAdapter) {
+            items = listOf()
+            notifyDataSetChanged()
+        }
+    }
+
+    override fun showEmpty(show: Boolean) {
+        binding.directorInformationEmpty.visibility = if (show) View.VISIBLE else View.GONE
+    }
+
+    override fun showErrorView(show: Boolean) {
+        binding.directorInformationError.visibility = if (show) View.VISIBLE else View.GONE
+    }
+
+    override fun setErrorDetails(message: String) {
+        binding.directorInformationErrorMessage.text = message
+    }
+
+    override fun showProgress(show: Boolean) {
+        binding.directorInformationProgress.visibility = if (show) View.VISIBLE else View.GONE
+    }
+
+    override fun enableSwipe(enable: Boolean) {
+        binding.directorInformationSwipe.isEnabled = enable
+    }
+
+    override fun showContent(show: Boolean) {
+        binding.directorInformationRecycler.visibility = if (show) View.VISIBLE else View.GONE
+    }
+
+    override fun showRefresh(show: Boolean) {
+        binding.directorInformationSwipe.isRefreshing = show
+    }
+
+    override fun onDestroyView() {
+        presenter.onDetachView()
+        super.onDestroyView()
+    }
+}

app/src/main/java/io/github/wulkanowy/ui/modules/schoolannouncement/SchoolAnnouncementPresenter.kt

@@ -0,0 +1,105 @@
+package io.github.wulkanowy.ui.modules.schoolannouncement
+
+import io.github.wulkanowy.data.Status
+import io.github.wulkanowy.data.repositories.SchoolAnnouncementRepository
+import io.github.wulkanowy.data.repositories.StudentRepository
+import io.github.wulkanowy.ui.base.BasePresenter
+import io.github.wulkanowy.ui.base.ErrorHandler
+import io.github.wulkanowy.utils.AnalyticsHelper
+import io.github.wulkanowy.utils.afterLoading
+import io.github.wulkanowy.utils.flowWithResourceIn
+import kotlinx.coroutines.flow.onEach
+import timber.log.Timber
+import javax.inject.Inject
+
+class SchoolAnnouncementPresenter @Inject constructor(
+    errorHandler: ErrorHandler,
+    studentRepository: StudentRepository,
+    private val analytics: AnalyticsHelper,
+    private val schoolAnnouncementRepository: SchoolAnnouncementRepository,
+) : BasePresenter<SchoolAnnouncementView>(errorHandler, studentRepository) {
+
+    private lateinit var lastError: Throwable
+
+    override fun onAttachView(view: SchoolAnnouncementView) {
+        super.onAttachView(view)
+        view.initView()
+        Timber.i("School announcement view was initialized")
+        errorHandler.showErrorMessage = ::showErrorViewOnError
+        loadData()
+    }
+
+    fun onSwipeRefresh() {
+        Timber.i("Force refreshing the School announcement")
+        loadData(true)
+    }
+
+    fun onRetry() {
+        view?.run {
+            showErrorView(false)
+            showProgress(true)
+        }
+        loadData(true)
+    }
+
+    fun onDetailsClick() {
+        view?.showErrorDetailsDialog(lastError)
+    }
+
+    private fun loadData(forceRefresh: Boolean = false) {
+        Timber.i("Loading School announcement data started")
+
+        flowWithResourceIn {
+            val student = studentRepository.getCurrentStudent()
+            schoolAnnouncementRepository.getSchoolAnnouncements(student, forceRefresh)
+        }.onEach {
+            when (it.status) {
+                Status.LOADING -> {
+                    if (!it.data.isNullOrEmpty()) {
+                        view?.run {
+                            enableSwipe(true)
+                            showRefresh(true)
+                            showProgress(false)
+                            showContent(true)
+                            updateData(it.data)
+                        }
+                    }
+                }
+                Status.SUCCESS -> {
+                    Timber.i("Loading School announcement result: Success")
+                    view?.apply {
+                        updateData(it.data!!.sortedByDescending { item -> item.date })
+                        showEmpty(it.data.isEmpty())
+                        showErrorView(false)
+                        showContent(it.data.isNotEmpty())
+                    }
+                    analytics.logEvent(
+                        "load_school_announcement",
+                        "items" to it.data!!.size
+                    )
+                }
+                Status.ERROR -> {
+                    Timber.i("Loading School announcement result: An exception occurred")
+                    errorHandler.dispatch(it.error!!)
+                }
+            }
+        }.afterLoading {
+            view?.run {
+                showRefresh(false)
+                showProgress(false)
+                enableSwipe(true)
+            }
+        }.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/schoolannouncement/SchoolAnnouncementView.kt

@@ -0,0 +1,29 @@
+package io.github.wulkanowy.ui.modules.schoolannouncement
+
+import io.github.wulkanowy.data.db.entities.SchoolAnnouncement
+import io.github.wulkanowy.ui.base.BaseView
+
+interface SchoolAnnouncementView : BaseView {
+
+    val isViewEmpty: Boolean
+
+    fun initView()
+
+    fun updateData(data: List<SchoolAnnouncement>)
+
+    fun clearData()
+
+    fun showEmpty(show: Boolean)
+
+    fun showErrorView(show: Boolean)
+
+    fun setErrorDetails(message: String)
+
+    fun showProgress(show: Boolean)
+
+    fun enableSwipe(enable: Boolean)
+
+    fun showContent(show: Boolean)
+
+    fun showRefresh(show: Boolean)
+}

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

@@ -0,0 +1,106 @@
+<androidx.coordinatorlayout.widget.CoordinatorLayout 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.schoolannouncement.SchoolAnnouncementFragment">
+
+    <com.google.android.material.progressindicator.CircularProgressIndicator
+        android:id="@+id/directorInformationProgress"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center"
+        android:indeterminate="true"
+        tools:visibility="invisible" />
+
+    <androidx.swiperefreshlayout.widget.SwipeRefreshLayout
+        android:id="@+id/directorInformationSwipe"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent">
+
+        <androidx.recyclerview.widget.RecyclerView
+            android:id="@+id/directorInformationRecycler"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            tools:listitem="@layout/item_school_announcement" />
+    </androidx.swiperefreshlayout.widget.SwipeRefreshLayout>
+
+    <LinearLayout
+        android:id="@+id/directorInformationEmpty"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:gravity="center"
+        android:orientation="vertical"
+        android:padding="10dp"
+        android:visibility="gone"
+        tools:ignore="UseCompoundDrawables">
+
+        <TextView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="20dp"
+            android:gravity="center"
+            android:text="@string/school_announcement_no_items"
+            android:textSize="20sp" />
+
+        <ImageView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:minWidth="100dp"
+            android:minHeight="100dp"
+            app:srcCompat="@drawable/ic_all_about"
+            app:tint="?android:attr/textColorPrimary"
+            tools:ignore="contentDescription" />
+    </LinearLayout>
+
+    <LinearLayout
+        android:id="@+id/directorInformationError"
+        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/directorInformationErrorMessage"
+            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/directorInformationErrorDetails"
+                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/directorInformationErrorRetry"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="@string/all_retry" />
+        </LinearLayout>
+    </LinearLayout>
+</androidx.coordinatorlayout.widget.CoordinatorLayout>

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

@@ -0,0 +1,54 @@
+<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:id="@+id/note_subitem_container"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:background="?selectableItemBackground"
+    tools:context=".ui.modules.schoolannouncement.SchoolAnnouncementAdapter">
+
+    <TextView
+        android:id="@+id/schoolAnnouncementItemDate"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="15dp"
+        android:layout_marginTop="10dp"
+        android:layout_marginEnd="10dp"
+        android:textColor="?android:textColorSecondary"
+        android:textSize="15sp"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        tools:text="@tools:sample/date/ddmmyy" />
+
+    <TextView
+        android:id="@+id/schoolAnnouncementItemType"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="5dp"
+        android:layout_marginBottom="5dp"
+        android:ellipsize="end"
+        android:maxLines="2"
+        android:textSize="16sp"
+        app:layout_constraintEnd_toEndOf="@id/schoolAnnouncementItemDate"
+        app:layout_constraintStart_toStartOf="@id/schoolAnnouncementItemDate"
+        app:layout_constraintTop_toBottomOf="@id/schoolAnnouncementItemDate"
+        app:layout_goneMarginEnd="0dp"
+        tools:text="@tools:sample/lorem" />
+
+    <TextView
+        android:id="@+id/schoolAnnouncementItemContent"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="5dp"
+        android:layout_marginBottom="15dp"
+        android:ellipsize="end"
+        android:lineSpacingMultiplier="1.2"
+        android:maxLines="2"
+        android:textSize="14sp"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="@+id/schoolAnnouncementItemType"
+        app:layout_constraintStart_toStartOf="@id/schoolAnnouncementItemDate"
+        app:layout_constraintTop_toBottomOf="@id/schoolAnnouncementItemType"
+        tools:text="@tools:sample/lorem/random" />
+</androidx.constraintlayout.widget.ConstraintLayout>

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

@@ -355,6 +355,11 @@
     <string name="conference_no_items">No info about conferences</string>
 
 
+    <!--Director information-->
+    <string name="school_announcement_title">School announcements</string>
+    <string name="school_announcement_no_items">No school announcements</string>
+
+
     <!--Account-->
     <string name="account_add_new">Add account</string>
     <string name="account_logout">Logout</string>