Add notes (#179)

.gitignore

@@ -47,3 +47,4 @@ Thumbs.db
 ./app/key.p12
 ./app/upload-key.jks
 *.log
+.idea/assetWizardSettings.xml

app/build.gradle

@@ -78,7 +78,7 @@ ext.androidx_version = "1.0.0"
 
 dependencies {
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk8:$kotlin_version"
-    implementation('com.github.wulkanowy:api:e829b094de') { exclude module: "threetenbp" }
+    implementation('com.github.wulkanowy:api:96be34a') { exclude module: "threetenbp" }
 
     implementation "androidx.legacy:legacy-support-v4:$androidx_version"
     implementation "androidx.appcompat:appcompat:$androidx_version"

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

@@ -67,4 +67,8 @@ internal class RepositoryModule {
     @Singleton
     @Provides
     fun provideTimetableDao(database: AppDatabase) = database.timetableDao()
+
+    @Singleton
+    @Provides
+    fun provideNoteDao(database: AppDatabase) = database.noteDao()
 }

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

@@ -5,23 +5,38 @@ import androidx.room.Database
 import androidx.room.Room
 import androidx.room.RoomDatabase
 import androidx.room.TypeConverters
-import io.github.wulkanowy.data.db.dao.*
-import io.github.wulkanowy.data.db.entities.*
+import io.github.wulkanowy.data.db.dao.AttendanceDao
+import io.github.wulkanowy.data.db.dao.ExamDao
+import io.github.wulkanowy.data.db.dao.GradeDao
+import io.github.wulkanowy.data.db.dao.GradeSummaryDao
+import io.github.wulkanowy.data.db.dao.NoteDao
+import io.github.wulkanowy.data.db.dao.SemesterDao
+import io.github.wulkanowy.data.db.dao.StudentDao
+import io.github.wulkanowy.data.db.dao.TimetableDao
+import io.github.wulkanowy.data.db.entities.Attendance
+import io.github.wulkanowy.data.db.entities.Exam
+import io.github.wulkanowy.data.db.entities.Grade
+import io.github.wulkanowy.data.db.entities.GradeSummary
+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.db.entities.Timetable
 import javax.inject.Singleton
 
 @Singleton
 @Database(
-        entities = [
-            Student::class,
-            Semester::class,
-            Exam::class,
-            Timetable::class,
-            Attendance::class,
-            Grade::class,
-            GradeSummary::class
-        ],
-        version = 1,
-        exportSchema = false
+    entities = [
+        Student::class,
+        Semester::class,
+        Exam::class,
+        Timetable::class,
+        Attendance::class,
+        Grade::class,
+        GradeSummary::class,
+        Note::class
+    ],
+    version = 1,
+    exportSchema = false
 )
 @TypeConverters(Converters::class)
 abstract class AppDatabase : RoomDatabase() {
@@ -29,7 +44,7 @@ abstract class AppDatabase : RoomDatabase() {
     companion object {
         fun newInstance(context: Context): AppDatabase {
             return Room.databaseBuilder(context, AppDatabase::class.java, "wulkanowy_database")
-                    .build()
+                .build()
         }
     }
 
@@ -46,4 +61,6 @@ abstract class AppDatabase : RoomDatabase() {
     abstract fun gradeDao(): GradeDao
 
     abstract fun gradeSummaryDao(): GradeSummaryDao
+
+    abstract fun noteDao(): NoteDao
 }

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

@@ -0,0 +1,31 @@
+package io.github.wulkanowy.data.db.dao
+
+import androidx.room.Dao
+import androidx.room.Delete
+import androidx.room.Insert
+import androidx.room.Query
+import androidx.room.Update
+import io.github.wulkanowy.data.db.entities.Note
+import io.reactivex.Maybe
+
+@Dao
+interface NoteDao {
+
+    @Insert
+    fun insertAll(notes: List<Note>)
+
+    @Update
+    fun update(note: Note)
+
+    @Update
+    fun updateAll(notes: List<Note>)
+
+    @Delete
+    fun deleteAll(notes: List<Note>)
+
+    @Query("SELECT * FROM Notes WHERE semester_id = :semesterId AND student_id = :studentId")
+    fun getNotes(semesterId: Int, studentId: Int): Maybe<List<Note>>
+
+    @Query("SELECT * FROM Notes WHERE is_read = 0 AND semester_id = :semesterId AND student_id = :studentId")
+    fun getNewNotes(semesterId: Int, studentId: Int): Maybe<List<Note>>
+}

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

@@ -0,0 +1,35 @@
+package io.github.wulkanowy.data.db.entities
+
+import androidx.room.ColumnInfo
+import androidx.room.Entity
+import androidx.room.PrimaryKey
+import org.threeten.bp.LocalDate
+import java.io.Serializable
+
+@Entity(tableName = "Notes")
+data class Note(
+
+    @ColumnInfo(name = "semester_id")
+    var semesterId: Int,
+
+    @ColumnInfo(name = "student_id")
+    var studentId: Int,
+
+    var date: LocalDate,
+
+    var teacher: String,
+
+    var category: String,
+
+    var content: String
+) : Serializable {
+
+    @PrimaryKey(autoGenerate = true)
+    var id: Long = 0
+
+    @ColumnInfo(name = "is_read")
+    var isRead: Boolean = false
+
+    @ColumnInfo(name = "is_notified")
+    var isNotified: Boolean = true
+}

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

@@ -0,0 +1,52 @@
+package io.github.wulkanowy.data.repositories
+
+import com.github.pwittchen.reactivenetwork.library.rx2.ReactiveNetwork
+import com.github.pwittchen.reactivenetwork.library.rx2.internet.observing.InternetObservingSettings
+import io.github.wulkanowy.data.db.entities.Note
+import io.github.wulkanowy.data.db.entities.Semester
+import io.github.wulkanowy.data.repositories.local.NoteLocal
+import io.github.wulkanowy.data.repositories.remote.NoteRemote
+import io.reactivex.Completable
+import io.reactivex.Single
+import java.net.UnknownHostException
+import javax.inject.Inject
+import javax.inject.Singleton
+
+@Singleton
+class NoteRepository @Inject constructor(
+    private val settings: InternetObservingSettings,
+    private val local: NoteLocal,
+    private val remote: NoteRemote
+) {
+
+    fun getNotes(semester: Semester, forceRefresh: Boolean = false, notify: Boolean = false): Single<List<Note>> {
+        return local.getNotes(semester).filter { !forceRefresh }
+            .switchIfEmpty(ReactiveNetwork.checkInternetConnectivity(settings)
+                .flatMap {
+                    if (it) remote.getNotes(semester)
+                    else Single.error(UnknownHostException())
+                }.flatMap { new ->
+                    local.getNotes(semester).toSingle(emptyList())
+                        .doOnSuccess { old ->
+                            local.deleteNotes(old - new)
+                            local.saveNotes((new - old)
+                                .onEach {
+                                    if (notify) it.isNotified = false
+                                })
+                        }
+                }.flatMap { local.getNotes(semester).toSingle(emptyList()) }
+            )
+    }
+
+    fun getNewNotes(semester: Semester): Single<List<Note>> {
+        return local.getNewNotes(semester).toSingle(emptyList())
+    }
+
+    fun updateNote(note: Note): Completable {
+        return local.updateNote(note)
+    }
+
+    fun updateNotes(notes: List<Note>): Completable {
+        return local.updateNotes(notes)
+    }
+}

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

@@ -0,0 +1,37 @@
+package io.github.wulkanowy.data.repositories.local
+
+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.reactivex.Completable
+import io.reactivex.Maybe
+import javax.inject.Inject
+import javax.inject.Singleton
+
+@Singleton
+class NoteLocal @Inject constructor(private val noteDb: NoteDao) {
+
+    fun getNotes(semester: Semester): Maybe<List<Note>> {
+        return noteDb.getNotes(semester.semesterId, semester.studentId).filter { !it.isEmpty() }
+    }
+
+    fun getNewNotes(semester: Semester): Maybe<List<Note>> {
+        return noteDb.getNewNotes(semester.semesterId, semester.studentId)
+    }
+
+    fun saveNotes(notes: List<Note>) {
+        noteDb.insertAll(notes)
+    }
+
+    fun updateNote(note: Note): Completable {
+        return Completable.fromCallable { noteDb.update(note) }
+    }
+
+    fun updateNotes(notes: List<Note>): Completable {
+        return Completable.fromCallable { noteDb.updateAll(notes) }
+    }
+
+    fun deleteNotes(notes: List<Note>) {
+        noteDb.deleteAll(notes)
+    }
+}

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

@@ -0,0 +1,34 @@
+package io.github.wulkanowy.data.repositories.remote
+
+import io.github.wulkanowy.api.Api
+import io.github.wulkanowy.data.db.entities.Note
+import io.github.wulkanowy.data.db.entities.Semester
+import io.github.wulkanowy.utils.toLocalDate
+import io.reactivex.Single
+import javax.inject.Inject
+import javax.inject.Singleton
+
+@Singleton
+class NoteRemote @Inject constructor(private val api: Api) {
+
+    fun getNotes(semester: Semester): Single<List<Note>> {
+        return Single.just(api.run {
+            if (diaryId != semester.diaryId) {
+                diaryId = semester.diaryId
+                notifyDataChanged()
+            }
+        }).flatMap { api.getNotes() }
+            .map { notes ->
+                notes.map {
+                    Note(
+                        semesterId = semester.semesterId,
+                        studentId = semester.studentId,
+                        date = it.date.toLocalDate(),
+                        teacher = it.teacher,
+                        category = it.category,
+                        content = it.content
+                    )
+                }
+            }
+    }
+}

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

@@ -7,10 +7,12 @@ import io.github.wulkanowy.data.repositories.AttendanceRepository
 import io.github.wulkanowy.data.repositories.ExamRepository
 import io.github.wulkanowy.data.repositories.GradeRepository
 import io.github.wulkanowy.data.repositories.GradeSummaryRepository
+import io.github.wulkanowy.data.repositories.NoteRepository
 import io.github.wulkanowy.data.repositories.PreferencesRepository
 import io.github.wulkanowy.data.repositories.SessionRepository
 import io.github.wulkanowy.data.repositories.TimetableRepository
 import io.github.wulkanowy.services.notification.GradeNotification
+import io.github.wulkanowy.services.notification.NoteNotification
 import io.github.wulkanowy.utils.friday
 import io.github.wulkanowy.utils.isHolidays
 import io.github.wulkanowy.utils.monday
@@ -40,6 +42,9 @@ class SyncWorker : SimpleJobService() {
     @Inject
     lateinit var timetable: TimetableRepository
 
+    @Inject
+    lateinit var note: NoteRepository
+
     @Inject
     lateinit var prefRepository: PreferencesRepository
 
@@ -73,7 +78,8 @@ class SyncWorker : SimpleJobService() {
                         gradesSummary.getGradesSummary(it, true),
                         attendance.getAttendance(it, start, end, true),
                         exam.getExams(it, start, end, true),
-                        timetable.getTimetable(it, start, end, true)
+                        timetable.getTimetable(it, start, end, true),
+                        note.getNotes(it, true, true)
                     )
                 )
             }
@@ -90,7 +96,12 @@ class SyncWorker : SimpleJobService() {
     }
 
     private fun sendNotifications() {
-        disposable.add(session.getSemesters(true)
+        sendGradeNotifications()
+        sendNoteNotification()
+    }
+
+    private fun sendGradeNotifications() {
+        disposable.add(session.getSemesters()
             .map { it.single { semester -> semester.current } }
             .flatMap { gradesDetails.getNewGrades(it) }
             .map { it.filter { grade -> !grade.isNotified } }
@@ -103,6 +114,20 @@ class SyncWorker : SimpleJobService() {
             }) { Timber.e("Notifications sending failed") })
     }
 
+    private fun sendNoteNotification() {
+        disposable.add(session.getSemesters()
+            .map { it.single { semester -> semester.current } }
+            .flatMap { note.getNewNotes(it) }
+            .map { it.filter { note -> !note.isNotified } }
+            .subscribe({
+                if (it.isNotEmpty()) {
+                    Timber.d("Found ${it.size} unread notes")
+                    NoteNotification(applicationContext).sendNotification(it)
+                    note.updateNotes(it.map { note -> note.apply { isNotified = true } }).subscribe()
+                }
+            }) { Timber.e("Notifications sending failed") })
+    }
+
     override fun onDestroy() {
         super.onDestroy()
         disposable.clear()

app/src/main/java/io/github/wulkanowy/services/notification/NoteNotification.kt

@@ -0,0 +1,58 @@
+package io.github.wulkanowy.services.notification
+
+import android.annotation.TargetApi
+import android.app.Notification
+import android.app.NotificationChannel
+import android.app.NotificationManager
+import android.app.PendingIntent
+import android.content.Context
+import androidx.core.app.NotificationCompat
+import androidx.core.content.ContextCompat
+import io.github.wulkanowy.R
+import io.github.wulkanowy.data.db.entities.Note
+import io.github.wulkanowy.ui.modules.main.MainActivity
+import timber.log.Timber
+
+class NoteNotification(context: Context) : BaseNotification(context) {
+
+    private val channelId = "Note_Notify"
+
+    @TargetApi(26)
+    override fun createChannel(channelId: String) {
+        notificationManager.createNotificationChannel(NotificationChannel(
+            channelId, context.getString(R.string.notify_note_channel), NotificationManager.IMPORTANCE_HIGH
+        ).apply {
+            enableLights(true)
+            enableVibration(true)
+            lockscreenVisibility = Notification.VISIBILITY_PUBLIC
+        })
+    }
+
+    fun sendNotification(items: List<Note>) {
+        notify(notificationBuilder(channelId)
+            .setContentTitle(context.resources.getQuantityString(R.plurals.note_new_items, items.size, items.size))
+            .setContentText(context.resources.getQuantityString(R.plurals.notify_note_new_items, items.size, items.size))
+            .setSmallIcon(R.drawable.ic_stat_notify_note)
+            .setAutoCancel(true)
+            .setDefaults(NotificationCompat.DEFAULT_ALL)
+            .setPriority(NotificationCompat.PRIORITY_HIGH)
+            .setColor(ContextCompat.getColor(context, R.color.colorPrimary))
+            .setContentIntent(
+                PendingIntent.getActivity(context, 0,
+                    MainActivity.getStartIntent(context).putExtra(MainActivity.EXTRA_START_MENU_INDEX, 4),
+                    PendingIntent.FLAG_UPDATE_CURRENT
+                )
+            )
+            .setStyle(NotificationCompat.InboxStyle().run {
+                setSummaryText(context.resources.getQuantityString(R.plurals.note_number_item, items.size, items.size))
+                items.forEach {
+                    addLine("${it.teacher}: ${it.category}")
+                }
+                this
+            })
+            .build()
+        )
+
+        Timber.d("Notification sent")
+    }
+}

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

@@ -18,7 +18,6 @@ import io.github.wulkanowy.ui.modules.grade.GradeFragment
 import io.github.wulkanowy.ui.modules.more.MoreFragment
 import io.github.wulkanowy.ui.modules.timetable.TimetableFragment
 import io.github.wulkanowy.utils.getThemeAttrColor
-import io.github.wulkanowy.utils.logLogin
 import io.github.wulkanowy.utils.safelyPopFragment
 import io.github.wulkanowy.utils.setOnViewChangeListener
 import kotlinx.android.synthetic.main.activity_main.*

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

@@ -14,6 +14,7 @@ import io.github.wulkanowy.ui.modules.exam.ExamFragment
 import io.github.wulkanowy.ui.modules.grade.GradeFragment
 import io.github.wulkanowy.ui.modules.grade.GradeModule
 import io.github.wulkanowy.ui.modules.more.MoreFragment
+import io.github.wulkanowy.ui.modules.note.NoteFragment
 import io.github.wulkanowy.ui.modules.settings.SettingsFragment
 import io.github.wulkanowy.ui.modules.timetable.TimetableFragment
 
@@ -57,4 +58,7 @@ abstract class MainModule {
 
     @ContributesAndroidInjector
     abstract fun bindSettingsFragment(): SettingsFragment
+
+    @ContributesAndroidInjector
+    abstract fun bindNoteFragment(): NoteFragment
 }

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

@@ -25,6 +25,7 @@ class MainPresenter @Inject constructor(
         when (initMenuIndex) {
             1 -> logLogin("Grades")
             3 -> logLogin("Timetable")
+            4 -> logLogin("More")
         }
 
         serviceHelper.startFullSyncService()

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

@@ -14,6 +14,7 @@ import io.github.wulkanowy.ui.base.BaseFragment
 import io.github.wulkanowy.ui.modules.about.AboutFragment
 import io.github.wulkanowy.ui.modules.main.MainActivity
 import io.github.wulkanowy.ui.modules.main.MainView
+import io.github.wulkanowy.ui.modules.note.NoteFragment
 import io.github.wulkanowy.ui.modules.settings.SettingsFragment
 import io.github.wulkanowy.utils.setOnItemClickListener
 import kotlinx.android.synthetic.main.fragment_more.*
@@ -34,11 +35,18 @@ class MoreFragment : BaseFragment(), MoreView, MainView.TitledView, MainView.Mai
     override val titleStringId: Int
         get() = R.string.more_title
 
+    override val noteRes: Pair<String, Drawable?>?
+        get() {
+            return context?.run {
+                getString(R.string.note_title) to ContextCompat.getDrawable(this, R.drawable.ic_menu_main_note_24dp)
+            }
+        }
+
     override val settingsRes: Pair<String, Drawable?>?
         get() {
             return context?.run {
                 getString(R.string.settings_title) to
-                        ContextCompat.getDrawable(this, R.drawable.ic_more_settings_24dp)
+                    ContextCompat.getDrawable(this, R.drawable.ic_more_settings_24dp)
             }
         }
 
@@ -46,7 +54,7 @@ class MoreFragment : BaseFragment(), MoreView, MainView.TitledView, MainView.Mai
         get() {
             return context?.run {
                 getString(R.string.about_title) to
-                        ContextCompat.getDrawable(this, R.drawable.ic_more_about_24dp)
+                    ContextCompat.getDrawable(this, R.drawable.ic_more_about_24dp)
             }
         }
 
@@ -76,6 +84,10 @@ class MoreFragment : BaseFragment(), MoreView, MainView.TitledView, MainView.Mai
         moreAdapter.updateDataSet(data)
     }
 
+    override fun openNoteView() {
+        (activity as? MainActivity)?.pushView(NoteFragment.newInstance())
+    }
+
     override fun openSettingsView() {
         (activity as? MainActivity)?.pushView(SettingsFragment.newInstance())
     }

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

@@ -5,8 +5,7 @@ import io.github.wulkanowy.data.ErrorHandler
 import io.github.wulkanowy.ui.base.BasePresenter
 import javax.inject.Inject
 
-class MorePresenter @Inject constructor(errorHandler: ErrorHandler)
-    : BasePresenter<MoreView>(errorHandler) {
+class MorePresenter @Inject constructor(errorHandler: ErrorHandler) : BasePresenter<MoreView>(errorHandler) {
 
     override fun onAttachView(view: MoreView) {
         super.onAttachView(view)
@@ -18,6 +17,7 @@ class MorePresenter @Inject constructor(errorHandler: ErrorHandler)
         if (item is MoreItem) {
             view?.run {
                 when (item.title) {
+                    noteRes?.first -> openNoteView()
                     settingsRes?.first -> openSettingsView()
                     aboutRes?.first -> openAboutView()
                 }
@@ -32,8 +32,10 @@ class MorePresenter @Inject constructor(errorHandler: ErrorHandler)
     private fun loadData() {
         view?.run {
             updateData(listOfNotNull(
-                    settingsRes?.let { MoreItem(it.first, it.second) },
-                    aboutRes?.let { MoreItem(it.first, it.second) }))
+                noteRes?.let { MoreItem(it.first, it.second) },
+                settingsRes?.let { MoreItem(it.first, it.second) },
+                aboutRes?.let { MoreItem(it.first, it.second) })
+            )
         }
     }
 }

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

@@ -5,6 +5,8 @@ import io.github.wulkanowy.ui.base.BaseView
 
 interface MoreView : BaseView {
 
+    val noteRes: Pair<String, Drawable?>?
+
     val settingsRes: Pair<String, Drawable?>?
 
     val aboutRes: Pair<String, Drawable?>?
@@ -18,4 +20,5 @@ interface MoreView : BaseView {
     fun openAboutView()
 
     fun popView()
+    fun openNoteView()
 }

app/src/main/java/io/github/wulkanowy/ui/modules/note/NoteDialog.kt

@@ -0,0 +1,48 @@
+package io.github.wulkanowy.ui.modules.note
+
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.fragment.app.DialogFragment
+import io.github.wulkanowy.R
+import io.github.wulkanowy.data.db.entities.Note
+import io.github.wulkanowy.utils.toFormattedString
+import kotlinx.android.synthetic.main.dialog_note.*
+
+class NoteDialog : DialogFragment() {
+
+    private lateinit var note: Note
+
+    companion object {
+        private const val ARGUMENT_KEY = "Item"
+
+        fun newInstance(exam: Note): NoteDialog {
+            return NoteDialog().apply {
+                arguments = Bundle().apply { putSerializable(ARGUMENT_KEY, exam) }
+            }
+        }
+    }
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setStyle(STYLE_NO_TITLE, 0)
+        arguments?.run {
+            note = getSerializable(ARGUMENT_KEY) as Note
+        }
+    }
+
+    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
+        return inflater.inflate(R.layout.dialog_note, container, false)
+    }
+
+    override fun onActivityCreated(savedInstanceState: Bundle?) {
+        super.onActivityCreated(savedInstanceState)
+
+        noteDialogDate.text = note.date.toFormattedString()
+        noteDialogCategory.text = note.category
+        noteDialogTeacher.text = note.teacher
+        noteDialogContent.text = note.content
+        noteDialogClose.setOnClickListener { dismiss() }
+    }
+}

app/src/main/java/io/github/wulkanowy/ui/modules/note/NoteFragment.kt

@@ -0,0 +1,95 @@
+package io.github.wulkanowy.ui.modules.note
+
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.View
+import android.view.View.GONE
+import android.view.View.VISIBLE
+import android.view.ViewGroup
+import eu.davidea.flexibleadapter.FlexibleAdapter
+import eu.davidea.flexibleadapter.common.SmoothScrollLinearLayoutManager
+import eu.davidea.flexibleadapter.items.AbstractFlexibleItem
+import io.github.wulkanowy.R
+import io.github.wulkanowy.data.db.entities.Note
+import io.github.wulkanowy.ui.base.BaseFragment
+import io.github.wulkanowy.ui.modules.main.MainView
+import io.github.wulkanowy.utils.setOnItemClickListener
+import kotlinx.android.synthetic.main.fragment_note.*
+import javax.inject.Inject
+
+class NoteFragment : BaseFragment(), NoteView, MainView.TitledView {
+
+    @Inject
+    lateinit var presenter: NotePresenter
+
+    @Inject
+    lateinit var noteAdapter: FlexibleAdapter<AbstractFlexibleItem<*>>
+
+    companion object {
+        fun newInstance() = NoteFragment()
+    }
+
+    override val titleStringId: Int
+        get() = R.string.note_title
+
+    override val isViewEmpty: Boolean
+        get() = noteAdapter.isEmpty
+
+    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
+        return inflater.inflate(R.layout.fragment_note, container, false)
+    }
+
+    override fun onActivityCreated(savedInstanceState: Bundle?) {
+        super.onActivityCreated(savedInstanceState)
+        presenter.onAttachView(this)
+    }
+
+    override fun initView() {
+        noteAdapter.run {
+            setOnItemClickListener { presenter.onNoteItemSelected(getItem(it)) }
+        }
+
+        noteRecycler.run {
+            layoutManager = SmoothScrollLinearLayoutManager(context)
+            adapter = noteAdapter
+        }
+        noteSwipe.setOnRefreshListener { presenter.onSwipeRefresh() }
+    }
+
+    override fun showNoteDialog(note: Note) {
+        NoteDialog.newInstance(note).show(fragmentManager, note.toString())
+    }
+
+    override fun updateData(data: List<NoteItem>) {
+        noteAdapter.updateDataSet(data, true)
+    }
+
+    override fun updateItem(item: AbstractFlexibleItem<*>) {
+        noteAdapter.updateItem(item)
+    }
+
+    override fun clearData() {
+        noteAdapter.clear()
+    }
+
+    override fun showEmpty(show: Boolean) {
+        noteEmpty.visibility = if (show) VISIBLE else GONE
+    }
+
+    override fun showProgress(show: Boolean) {
+        noteProgress.visibility = if (show) VISIBLE else GONE
+    }
+
+    override fun showContent(show: Boolean) {
+        noteRecycler.visibility = if (show) VISIBLE else GONE
+    }
+
+    override fun hideRefresh() {
+        noteSwipe.isRefreshing = false
+    }
+
+    override fun onDestroyView() {
+        presenter.onDetachView()
+        super.onDestroyView()
+    }
+}

app/src/main/java/io/github/wulkanowy/ui/modules/note/NoteItem.kt

@@ -0,0 +1,61 @@
+package io.github.wulkanowy.ui.modules.note
+
+import android.graphics.Typeface.BOLD
+import android.graphics.Typeface.NORMAL
+import android.view.View
+import eu.davidea.flexibleadapter.FlexibleAdapter
+import eu.davidea.flexibleadapter.items.AbstractFlexibleItem
+import eu.davidea.flexibleadapter.items.IFlexible
+import eu.davidea.viewholders.FlexibleViewHolder
+import io.github.wulkanowy.R
+import io.github.wulkanowy.data.db.entities.Note
+import io.github.wulkanowy.utils.toFormattedString
+import kotlinx.android.extensions.LayoutContainer
+import kotlinx.android.synthetic.main.item_note.*
+
+class NoteItem(val note: Note) : AbstractFlexibleItem<NoteItem.ViewHolder>() {
+
+    override fun createViewHolder(view: View, adapter: FlexibleAdapter<IFlexible<*>>): NoteItem.ViewHolder {
+        return NoteItem.ViewHolder(view, adapter)
+    }
+
+    override fun getLayoutRes(): Int = R.layout.item_note
+
+    override fun bindViewHolder(
+        adapter: FlexibleAdapter<IFlexible<*>>,
+        holder: NoteItem.ViewHolder, position: Int, payloads: MutableList<Any>?
+    ) {
+        holder.apply {
+            noteItemDate.apply {
+                text = note.date.toFormattedString()
+                setTypeface(null, if (note.isRead) NORMAL else BOLD)
+            }
+            noteItemType.apply {
+                text = note.category
+                setTypeface(null, if (note.isRead) NORMAL else BOLD)
+            }
+            noteItemTeacher.text = note.teacher
+            noteItemContent.text = note.content
+        }
+    }
+
+    override fun equals(other: Any?): Boolean {
+        if (this === other) return true
+        if (javaClass != other?.javaClass) return false
+
+        other as NoteItem
+
+        if (note != other.note) return false
+        return true
+    }
+
+    override fun hashCode(): Int {
+        return note.hashCode()
+    }
+
+    class ViewHolder(val view: View, adapter: FlexibleAdapter<*>) : FlexibleViewHolder(view, adapter), LayoutContainer {
+
+        override val containerView: View
+            get() = contentView
+    }
+}

app/src/main/java/io/github/wulkanowy/ui/modules/note/NotePresenter.kt

@@ -0,0 +1,80 @@
+package io.github.wulkanowy.ui.modules.note
+
+import eu.davidea.flexibleadapter.items.AbstractFlexibleItem
+import io.github.wulkanowy.data.ErrorHandler
+import io.github.wulkanowy.data.db.entities.Note
+import io.github.wulkanowy.data.repositories.NoteRepository
+import io.github.wulkanowy.data.repositories.SessionRepository
+import io.github.wulkanowy.ui.base.BasePresenter
+import io.github.wulkanowy.utils.SchedulersProvider
+import io.github.wulkanowy.utils.logEvent
+import timber.log.Timber
+import javax.inject.Inject
+
+class NotePresenter @Inject constructor(
+    private val errorHandler: ErrorHandler,
+    private val schedulers: SchedulersProvider,
+    private val sessionRepository: SessionRepository,
+    private val noteRepository: NoteRepository
+) : BasePresenter<NoteView>(errorHandler) {
+
+    override fun onAttachView(view: NoteView) {
+        super.onAttachView(view)
+        view.initView()
+        loadData()
+    }
+
+    fun onSwipeRefresh() {
+        loadData(true)
+    }
+
+    private fun loadData(forceRefresh: Boolean = false) {
+        disposable.add(sessionRepository.getSemesters()
+            .map { it.single { semester -> semester.current } }
+            .flatMap { noteRepository.getNotes(it, forceRefresh) }
+            .map { items -> items.map { NoteItem(it) } }
+            .map { items -> items.sortedByDescending { it.note.date } }
+            .subscribeOn(schedulers.backgroundThread)
+            .observeOn(schedulers.mainThread)
+            .doFinally {
+                view?.run {
+                    hideRefresh()
+                    showProgress(false)
+                }
+            }.subscribe({
+                view?.apply {
+                    updateData(it)
+                    showEmpty(it.isEmpty())
+                    showContent(it.isNotEmpty())
+                }
+                logEvent("Note load", mapOf("items" to it.size, "forceRefresh" to forceRefresh))
+            }, {
+                view?.run { showEmpty(isViewEmpty) }
+                errorHandler.proceed(it)
+            })
+        )
+    }
+
+    fun onNoteItemSelected(item: AbstractFlexibleItem<*>?) {
+        if (item is NoteItem) {
+            view?.run {
+                showNoteDialog(item.note)
+                if (!item.note.isRead) {
+                    item.note.isRead = true
+                    updateItem(item)
+                    updateNote(item.note)
+                }
+            }
+        }
+    }
+
+    private fun updateNote(note: Note) {
+        disposable.add(noteRepository.updateNote(note)
+            .subscribeOn(schedulers.backgroundThread)
+            .observeOn(schedulers.mainThread)
+            .subscribe({
+                Timber.d("Note ${note.id} updated")
+            }) { error -> errorHandler.proceed(error) }
+        )
+    }
+}

app/src/main/java/io/github/wulkanowy/ui/modules/note/NoteView.kt

@@ -0,0 +1,28 @@
+package io.github.wulkanowy.ui.modules.note
+
+import eu.davidea.flexibleadapter.items.AbstractFlexibleItem
+import io.github.wulkanowy.data.db.entities.Note
+import io.github.wulkanowy.ui.base.BaseView
+
+interface NoteView : BaseView {
+
+    val isViewEmpty: Boolean
+
+    fun initView()
+
+    fun updateData(data: List<NoteItem>)
+
+    fun updateItem(item: AbstractFlexibleItem<*>)
+
+    fun clearData()
+
+    fun showEmpty(show: Boolean)
+
+    fun showProgress(show: Boolean)
+
+    fun showContent(show: Boolean)
+
+    fun hideRefresh()
+
+    fun showNoteDialog(note: Note)
+}

app/src/main/res/drawable/ic_menu_main_note_24dp.xml

@@ -0,0 +1,10 @@
+<!--https://materialdesignicons.com/icon/trophy-->
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    <path
+        android:fillColor="#FF000000"
+        android:pathData="M20.2,2H19.5H18C17.1,2 16,3 16,4H8C8,3 6.9,2 6,2H4.5H3.8H2V11C2,12 3,13 4,13H6.2C6.6,15 7.9,16.7 11,17V19.1C8.8,19.3 8,20.4 8,21.7V22H16V21.7C16,20.4 15.2,19.3 13,19.1V17C16.1,16.7 17.4,15 17.8,13H20C21,13 22,12 22,11V2H20.2M4,11V4H6V6V11C5.1,11 4.3,11 4,11M20,11C19.7,11 18.9,11 18,11V6V4H20V11Z" />
+</vector>

app/src/main/res/drawable/ic_menu_main_timetable_24dp.xml

@@ -1,8 +1,8 @@
 <vector xmlns:android="http://schemas.android.com/apk/res/android"
     android:width="24dp"
     android:height="24dp"
-    android:viewportHeight="24"
-    android:viewportWidth="24">
+    android:viewportWidth="24"
+    android:viewportHeight="24">
     <path
         android:fillColor="#000"
         android:pathData="M14 14H7v2h7m5 3H5V8h14m0-5h-1V1h-2v2H8V1H6v2H5a2

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

@@ -0,0 +1,96 @@
+<?xml version="1.0" encoding="utf-8"?>
+<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+    <LinearLayout
+        android:layout_width="300dp"
+        android:layout_height="wrap_content"
+        android:orientation="vertical"
+        android:padding="20dp">
+
+        <TextView
+            android:id="@+id/note_dialog_details"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="20dp"
+            android:layout_marginBottom="20dp"
+            android:text="@string/all_details"
+            android:textSize="20sp" />
+
+        <TextView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="@string/all_category"
+            android:textSize="17sp" />
+
+        <TextView
+            android:id="@+id/noteDialogCategory"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="3dp"
+            android:text="@string/all_no_data"
+            android:textIsSelectable="true"
+            android:textSize="12sp" />
+
+        <TextView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="10dp"
+            android:text="@string/all_teacher"
+            android:textSize="17sp" />
+
+        <TextView
+            android:id="@+id/noteDialogTeacher"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="3dp"
+            android:text="@string/all_no_data"
+            android:textIsSelectable="true"
+            android:textSize="12sp" />
+
+        <TextView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="10dp"
+            android:text="@string/all_date"
+            android:textSize="17sp" />
+
+        <TextView
+            android:id="@+id/noteDialogDate"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="3dp"
+            android:text="@string/all_no_data"
+            android:textIsSelectable="true"
+            android:textSize="12sp" />
+
+        <TextView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="10dp"
+            android:text="@string/note_content"
+            android:textSize="17sp" />
+
+        <TextView
+            android:id="@+id/noteDialogContent"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="3dp"
+            android:lineSpacingMultiplier="1.2"
+            android:text="@string/all_no_data"
+            android:textIsSelectable="true"
+            android:textSize="12sp" />
+
+        <Button
+            android:id="@+id/noteDialogClose"
+            style="@style/Widget.AppCompat.Button.Borderless"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="end"
+            android:layout_marginTop="15dp"
+            android:text="@string/all_close"
+            android:textAllCaps="true"
+            android:textSize="15sp" />
+    </LinearLayout>
+</ScrollView>

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

@@ -0,0 +1,51 @@
+<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">
+
+    <ProgressBar
+        android:id="@+id/noteProgress"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center"
+        android:indeterminate="true" />
+
+    <androidx.swiperefreshlayout.widget.SwipeRefreshLayout
+        android:id="@+id/noteSwipe"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent">
+
+        <androidx.recyclerview.widget.RecyclerView
+            android:id="@+id/noteRecycler"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent" />
+    </androidx.swiperefreshlayout.widget.SwipeRefreshLayout>
+
+    <LinearLayout
+        android:id="@+id/noteEmpty"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:gravity="center"
+        android:orientation="vertical"
+        android:padding="10dp"
+        android:visibility="gone">
+
+        <androidx.appcompat.widget.AppCompatImageView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:minWidth="100dp"
+            android:minHeight="100dp"
+            app:srcCompat="@drawable/ic_menu_main_note_24dp"
+            app:tint="?android:attr/textColorPrimary"
+            tools:ignore="contentDescription" />
+
+        <TextView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="20dp"
+            android:gravity="center"
+            android:text="@string/note_no_items"
+            android:textSize="20sp" />
+    </LinearLayout>
+</FrameLayout>

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

@@ -0,0 +1,60 @@
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/note_subitem_container"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:background="@drawable/ic_all_divider"
+    android:foreground="?attr/selectableItemBackgroundBorderless">
+
+    <TextView
+        android:id="@+id/noteItemDate"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="15dp"
+        android:layout_marginLeft="15dp"
+        android:layout_marginTop="10dp"
+        android:text="@string/all_date"
+        android:textSize="15sp" />
+
+    <TextView
+        android:id="@+id/noteItemTeacher"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_alignParentEnd="true"
+        android:layout_alignParentRight="true"
+        android:layout_marginStart="10dp"
+        android:layout_marginLeft="10dp"
+        android:layout_marginTop="10dp"
+        android:layout_marginEnd="15dp"
+        android:layout_marginRight="15dp"
+        android:layout_toEndOf="@id/noteItemDate"
+        android:layout_toRightOf="@id/noteItemDate"
+        android:gravity="end"
+        android:text="@string/all_teacher"
+        android:textSize="13sp" />
+
+    <TextView
+        android:id="@+id/noteItemType"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_below="@id/noteItemDate"
+        android:layout_alignStart="@id/noteItemDate"
+        android:layout_alignLeft="@id/noteItemDate"
+        android:layout_marginTop="5dp"
+        android:layout_marginBottom="5dp"
+        android:text="@string/exam_type"
+        android:textSize="13sp" />
+
+    <TextView
+        android:id="@+id/noteItemContent"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_below="@id/noteItemType"
+        android:layout_alignStart="@id/noteItemDate"
+        android:layout_alignLeft="@id/noteItemDate"
+        android:layout_marginEnd="15dp"
+        android:layout_marginRight="15dp"
+        android:layout_marginBottom="15dp"
+        android:lineSpacingMultiplier="1.2"
+        android:text="@string/all_description"
+        android:textSize="14sp" />
+</RelativeLayout>

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

@@ -11,6 +11,7 @@
     <string name="settings_title">Ustawienia</string>
     <string name="more_title">Więcej</string>
     <string name="about_title">O aplikacji</string>
+    <string name="note_title">Uwagi i osiągnięcia</string>
 
 
     <!--Login form-->
@@ -72,6 +73,16 @@
     </plurals>
 
 
+    <!--Note notify-->
+    <string name="notify_note_channel">Nowe uwagi</string>
+    <plurals name="notify_note_new_items">
+        <item quantity="one">Dostałeś %1$d uwagę</item>
+        <item quantity="few">"Dostałeś %1$d uwagi</item>
+        <item quantity="many">Dostałeś %1$d uwag</item>
+        <item quantity="other">Dostałeś %1$d uwag</item>
+    </plurals>
+
+
     <!--Timetable-->
     <string name="timetable_lesson">Lekcja</string>
     <string name="timetable_room">Sala</string>
@@ -107,6 +118,24 @@
     <string name="about_source_code">Kod źródłowy</string>
     <string name="about_feedback">Zgłoś błąd</string>
 
+    <!--Note-->
+    <string name="note_no_items">Brak informacji o uwagach</string>
+    <string name="note_content">Treść</string>
+    <plurals name="note_number_item">
+        <item quantity="one">%d uwaga</item>
+        <item quantity="few">%d uwagi</item>
+        <item quantity="many">%d uwag</item>
+        <item quantity="other">%d uwag</item>
+    </plurals>
+
+    <plurals name="note_new_items">
+        <item quantity="one">Nowa uwaga</item>
+        <item quantity="few">Nowe uwagi</item>
+        <item quantity="many">Nowych uwag</item>
+        <item quantity="other">Nowych uwag</item>
+    </plurals>
+
+
     <!--Generic-->
     <string name="all_description">Opis</string>
     <string name="all_no_description">Brak opisu</string>
@@ -114,6 +143,7 @@
     <string name="all_date">Data</string>
     <string name="all_color">Kolor</string>
     <string name="all_details">Szczegóły</string>
+    <string name="all_category">Kategoria</string>
     <string name="all_close">Zamknij</string>
     <string name="all_cancel">Anuluj</string>
     <string name="all_no_data">Brak danych</string>

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

@@ -11,6 +11,7 @@
     <string name="settings_title">Settings</string>
     <string name="more_title">More</string>
     <string name="about_title">About</string>
+    <string name="note_title">Notes and achievements</string>
 
 
     <!--Login form-->
@@ -64,6 +65,13 @@
         <item quantity="other">You received %1$d grades</item>
     </plurals>
 
+    <!--Note notify-->
+    <string name="notify_note_channel">New notes</string>
+    <plurals name="notify_note_new_items">
+        <item quantity="one">You received %1$d note</item>
+        <item quantity="other">You received %1$d notes</item>
+    </plurals>
+
 
     <!--Timetable-->
     <string name="timetable_lesson">Lesson</string>
@@ -99,6 +107,19 @@
     <string name="about_source_code">Source code</string>
     <string name="about_feedback">Report a bug</string>
 
+    <!--Note-->
+    <string name="note_no_items">No info about notes</string>
+    <string name="note_content">Content</string>
+    <plurals name="note_number_item">
+        <item quantity="one">%d note</item>
+        <item quantity="other">%d notes</item>
+    </plurals>
+
+    <plurals name="note_new_items">
+        <item quantity="one">New note</item>
+        <item quantity="other">New notes</item>
+    </plurals>
+
 
     <!--Generic-->
     <string name="all_description">Description</string>
@@ -107,6 +128,7 @@
     <string name="all_date">Date</string>
     <string name="all_color">Color</string>
     <string name="all_details">Details</string>
+    <string name="all_category">Category</string>
     <string name="all_close">Close</string>
     <string name="all_cancel">Cancel</string>
     <string name="all_no_data">No data</string>