Add homework (#181)

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:96be34a') { exclude module: "threetenbp" }
+    implementation('com.github.wulkanowy:api:ddb1baa') { 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

@@ -71,4 +71,8 @@ internal class RepositoryModule {
     @Singleton
     @Provides
     fun provideNoteDao(database: AppDatabase) = database.noteDao()
+
+    @Singleton
+    @Provides
+    fun provideHomeworkDao(database: AppDatabase) = database.homeworkDao()
 }

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

@@ -9,6 +9,7 @@ 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.HomeworkDao
 import io.github.wulkanowy.data.db.dao.NoteDao
 import io.github.wulkanowy.data.db.dao.SemesterDao
 import io.github.wulkanowy.data.db.dao.StudentDao
@@ -17,6 +18,7 @@ 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.Homework
 import io.github.wulkanowy.data.db.entities.Note
 import io.github.wulkanowy.data.db.entities.Semester
 import io.github.wulkanowy.data.db.entities.Student
@@ -33,7 +35,8 @@ import javax.inject.Singleton
         Attendance::class,
         Grade::class,
         GradeSummary::class,
-        Note::class
+        Note::class,
+        Homework::class
     ],
     version = 1,
     exportSchema = false
@@ -63,4 +66,6 @@ abstract class AppDatabase : RoomDatabase() {
     abstract fun gradeSummaryDao(): GradeSummaryDao
 
     abstract fun noteDao(): NoteDao
+
+    abstract fun homeworkDao(): HomeworkDao
 }

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

@@ -0,0 +1,22 @@
+package io.github.wulkanowy.data.db.dao
+
+import androidx.room.Dao
+import androidx.room.Delete
+import androidx.room.Insert
+import androidx.room.Query
+import io.github.wulkanowy.data.db.entities.Homework
+import io.reactivex.Maybe
+import org.threeten.bp.LocalDate
+
+@Dao
+interface HomeworkDao {
+
+    @Insert
+    fun insertAll(homework: List<Homework>)
+
+    @Delete
+    fun deleteAll(homework: List<Homework>)
+
+    @Query("SELECT * FROM Homework WHERE semester_id = :semesterId AND student_id = :studentId AND date = :date")
+    fun getHomework(semesterId: Int, studentId: Int, date: LocalDate): Maybe<List<Homework>>
+}

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

@@ -0,0 +1,36 @@
+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 = "Homework")
+data class Homework(
+
+    @ColumnInfo(name = "semester_id")
+    var semesterId: Int,
+
+    @ColumnInfo(name = "student_id")
+    var studentId: Int,
+
+    var date: LocalDate,
+
+    @ColumnInfo(name = "entry_date")
+    var entryDate: LocalDate,
+
+    var subject: String,
+
+    var content: String,
+
+    var teacher: String,
+
+    @ColumnInfo(name = "teacher_symbol")
+    var teacherSymbol: String
+
+) : Serializable {
+
+    @PrimaryKey(autoGenerate = true)
+    var id: Long = 0
+}

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

@@ -0,0 +1,36 @@
+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.Homework
+import io.github.wulkanowy.data.db.entities.Semester
+import io.github.wulkanowy.data.repositories.local.HomeworkLocal
+import io.github.wulkanowy.data.repositories.remote.HomeworkRemote
+import io.reactivex.Single
+import org.threeten.bp.LocalDate
+import java.net.UnknownHostException
+import javax.inject.Inject
+import javax.inject.Singleton
+
+@Singleton
+class HomeworkRepository @Inject constructor(
+    private val settings: InternetObservingSettings,
+    private val local: HomeworkLocal,
+    private val remote: HomeworkRemote
+) {
+
+    fun getHomework(semester: Semester, date: LocalDate, forceRefresh: Boolean = false): Single<List<Homework>> {
+        return local.getHomework(semester, date).filter { !forceRefresh }
+            .switchIfEmpty(ReactiveNetwork.checkInternetConnectivity(settings)
+                .flatMap {
+                    if (it) remote.getHomework(semester, date)
+                    else Single.error(UnknownHostException())
+                }.flatMap { newGrades ->
+                    local.getHomework(semester, date).toSingle(emptyList())
+                        .doOnSuccess { oldGrades ->
+                            local.deleteHomework(oldGrades - newGrades)
+                            local.saveHomework(newGrades - oldGrades)
+                        }
+                }.flatMap { local.getHomework(semester, date).toSingle(emptyList()) })
+    }
+}

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

@@ -0,0 +1,25 @@
+package io.github.wulkanowy.data.repositories.local
+
+import io.github.wulkanowy.data.db.dao.HomeworkDao
+import io.github.wulkanowy.data.db.entities.Homework
+import io.github.wulkanowy.data.db.entities.Semester
+import io.reactivex.Maybe
+import org.threeten.bp.LocalDate
+import javax.inject.Inject
+import javax.inject.Singleton
+
+@Singleton
+class HomeworkLocal @Inject constructor(private val homeworkDb: HomeworkDao) {
+
+    fun getHomework(semester: Semester, date: LocalDate): Maybe<List<Homework>> {
+        return homeworkDb.getHomework(semester.semesterId, semester.studentId, date).filter { !it.isEmpty() }
+    }
+
+    fun saveHomework(homework: List<Homework>) {
+        homeworkDb.insertAll(homework)
+    }
+
+    fun deleteHomework(homework: List<Homework>) {
+        homeworkDb.deleteAll(homework)
+    }
+}

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

@@ -0,0 +1,37 @@
+package io.github.wulkanowy.data.repositories.remote
+
+import io.github.wulkanowy.api.Api
+import io.github.wulkanowy.data.db.entities.Homework
+import io.github.wulkanowy.data.db.entities.Semester
+import io.github.wulkanowy.utils.toLocalDate
+import io.reactivex.Single
+import org.threeten.bp.LocalDate
+import javax.inject.Inject
+import javax.inject.Singleton
+
+@Singleton
+class HomeworkRemote @Inject constructor(private val api: Api) {
+
+    fun getHomework(semester: Semester, date: LocalDate): Single<List<Homework>> {
+        return Single.just(api.run {
+            if (diaryId != semester.diaryId) {
+                diaryId = semester.diaryId
+                notifyDataChanged()
+            }
+        }).flatMap { api.getHomework(date, date) }
+            .map { homework ->
+                homework.map {
+                    Homework(
+                        semesterId = semester.semesterId,
+                        studentId = semester.studentId,
+                        date = it.date.toLocalDate(),
+                        entryDate = it.entryDate.toLocalDate(),
+                        subject = it.subject,
+                        content = it.content,
+                        teacher = it.teacher,
+                        teacherSymbol = it.teacherSymbol
+                    )
+                }
+            }
+    }
+}

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

@@ -7,6 +7,7 @@ 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.HomeworkRepository
 import io.github.wulkanowy.data.repositories.NoteRepository
 import io.github.wulkanowy.data.repositories.PreferencesRepository
 import io.github.wulkanowy.data.repositories.SessionRepository
@@ -45,6 +46,9 @@ class SyncWorker : SimpleJobService() {
     @Inject
     lateinit var note: NoteRepository
 
+    @Inject
+    lateinit var homework: HomeworkRepository
+
     @Inject
     lateinit var prefRepository: PreferencesRepository
 
@@ -79,7 +83,9 @@ class SyncWorker : SimpleJobService() {
                         attendance.getAttendance(it, start, end, true),
                         exam.getExams(it, start, end, true),
                         timetable.getTimetable(it, start, end, true),
-                        note.getNotes(it, true, true)
+                        note.getNotes(it, true, true),
+                        homework.getHomework(it, LocalDate.now(), true),
+                        homework.getHomework(it, LocalDate.now().plusDays(1), true)
                     )
                 )
             }

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

@@ -0,0 +1,49 @@
+package io.github.wulkanowy.ui.modules.homework
+
+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.Homework
+import io.github.wulkanowy.utils.toFormattedString
+import kotlinx.android.synthetic.main.dialog_homework.*
+
+class HomeworkDialog : DialogFragment() {
+
+    private lateinit var homework: Homework
+
+    companion object {
+        private const val ARGUMENT_KEY = "Item"
+
+        fun newInstance(homework: Homework): HomeworkDialog {
+            return HomeworkDialog().apply {
+                arguments = Bundle().apply { putSerializable(ARGUMENT_KEY, homework) }
+            }
+        }
+    }
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setStyle(STYLE_NO_TITLE, 0)
+        arguments?.run {
+            homework = getSerializable(HomeworkDialog.ARGUMENT_KEY) as Homework
+        }
+    }
+
+    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
+        return inflater.inflate(R.layout.dialog_homework, container, false)
+    }
+
+    override fun onActivityCreated(savedInstanceState: Bundle?) {
+        super.onActivityCreated(savedInstanceState)
+
+        homeworkDialogDate.text = homework.date.toFormattedString()
+        homeworkDialogEntryDate.text = homework.entryDate.toFormattedString()
+        homeworkDialogSubject.text = homework.subject
+        homeworkDialogTeacher.text = homework.teacher
+        homeworkDialogContent.text = homework.content
+        homeworkDialogClose.setOnClickListener { dismiss() }
+    }
+}

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

@@ -0,0 +1,110 @@
+package io.github.wulkanowy.ui.modules.homework
+
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.View
+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.Homework
+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_homework.*
+import javax.inject.Inject
+
+class HomeworkFragment : BaseFragment(), HomeworkView, MainView.TitledView {
+
+    @Inject
+    lateinit var presenter: HomeworkPresenter
+
+    @Inject
+    lateinit var homeworkAdapter: FlexibleAdapter<AbstractFlexibleItem<*>>
+
+    companion object {
+        private const val SAVED_DATE_KEY = "CURRENT_DATE"
+
+        fun newInstance() = HomeworkFragment()
+    }
+
+    override val titleStringId: Int
+        get() = R.string.homework_title
+
+    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
+        return inflater.inflate(R.layout.fragment_homework, container, false)
+    }
+
+    override fun onActivityCreated(savedInstanceState: Bundle?) {
+        super.onActivityCreated(savedInstanceState)
+        messageContainer = homeworkRecycler
+        presenter.onAttachView(this, savedInstanceState?.getLong(HomeworkFragment.SAVED_DATE_KEY))
+    }
+
+    override fun initView() {
+        homeworkAdapter.run {
+            setOnItemClickListener { presenter.onHomeworkItemSelected(getItem(it)) }
+        }
+
+        homeworkRecycler.run {
+            layoutManager = SmoothScrollLinearLayoutManager(context)
+            adapter = homeworkAdapter
+        }
+        homeworkSwipe.setOnRefreshListener { presenter.onSwipeRefresh() }
+        homeworkPreviousButton.setOnClickListener { presenter.onPreviousDay() }
+        homeworkNextButton.setOnClickListener { presenter.onNextDay() }
+    }
+
+    override fun updateData(data: List<HomeworkItem>) {
+        homeworkAdapter.updateDataSet(data, true)
+    }
+
+    override fun clearData() {
+        homeworkAdapter.clear()
+    }
+
+    override fun updateNavigationDay(date: String) {
+        homeworkNavDate.text = date
+    }
+
+    override fun isViewEmpty() = homeworkAdapter.isEmpty
+
+    override fun hideRefresh() {
+        homeworkSwipe.isRefreshing = false
+    }
+
+    override fun showEmpty(show: Boolean) {
+        homeworkEmpty.visibility = if (show) View.VISIBLE else View.GONE
+    }
+
+    override fun showProgress(show: Boolean) {
+        homeworkProgress.visibility = if (show) View.VISIBLE else View.GONE
+    }
+
+    override fun showContent(show: Boolean) {
+        homeworkRecycler.visibility = if (show) View.VISIBLE else View.GONE
+    }
+
+    override fun showPreButton(show: Boolean) {
+        homeworkPreviousButton.visibility = if (show) View.VISIBLE else View.INVISIBLE
+    }
+
+    override fun showNextButton(show: Boolean) {
+        homeworkNextButton.visibility = if (show) View.VISIBLE else View.INVISIBLE
+    }
+
+    override fun showTimetableDialog(homework: Homework) {
+        HomeworkDialog.newInstance(homework).show(fragmentManager, homework.toString())
+    }
+
+    override fun onSaveInstanceState(outState: Bundle) {
+        super.onSaveInstanceState(outState)
+        outState.putLong(HomeworkFragment.SAVED_DATE_KEY, presenter.currentDate.toEpochDay())
+    }
+
+    override fun onDestroyView() {
+        presenter.onDetachView()
+        super.onDestroyView()
+    }
+}

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

@@ -0,0 +1,54 @@
+package io.github.wulkanowy.ui.modules.homework
+
+import android.annotation.SuppressLint
+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.Homework
+import kotlinx.android.extensions.LayoutContainer
+import kotlinx.android.synthetic.main.item_homework.*
+
+class HomeworkItem(val homework: Homework) : AbstractFlexibleItem<HomeworkItem.ViewHolder>() {
+
+    override fun getLayoutRes(): Int = R.layout.item_homework
+
+    override fun createViewHolder(view: View, adapter: FlexibleAdapter<IFlexible<*>>): ViewHolder {
+        return ViewHolder(view, adapter)
+    }
+
+    @SuppressLint("SetTextI18n")
+    override fun bindViewHolder(
+        adapter: FlexibleAdapter<IFlexible<*>>, holder: ViewHolder,
+        position: Int, payloads: MutableList<Any>?
+    ) {
+        holder.apply {
+            homeworkItemSubject.text = homework.subject
+            homeworkItemTeacher.text = homework.teacher
+            homeworkItemContent.text = homework.content
+        }
+    }
+
+    override fun equals(other: Any?): Boolean {
+        if (this === other) return true
+        if (javaClass != other?.javaClass) return false
+
+        other as HomeworkItem
+
+        if (homework != other.homework) return false
+        return true
+    }
+
+    override fun hashCode(): Int {
+        return homework.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/homework/HomeworkPresenter.kt

@@ -0,0 +1,98 @@
+package io.github.wulkanowy.ui.modules.homework
+
+import eu.davidea.flexibleadapter.items.AbstractFlexibleItem
+import io.github.wulkanowy.data.ErrorHandler
+import io.github.wulkanowy.data.repositories.HomeworkRepository
+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.isHolidays
+import io.github.wulkanowy.utils.logEvent
+import io.github.wulkanowy.utils.nextOrSameSchoolDay
+import io.github.wulkanowy.utils.nextSchoolDay
+import io.github.wulkanowy.utils.previousSchoolDay
+import io.github.wulkanowy.utils.toFormattedString
+import org.threeten.bp.LocalDate
+import java.util.concurrent.TimeUnit
+import javax.inject.Inject
+
+class HomeworkPresenter @Inject constructor(
+    private val errorHandler: ErrorHandler,
+    private val schedulers: SchedulersProvider,
+    private val homeworkRepository: HomeworkRepository,
+    private val sessionRepository: SessionRepository
+) : BasePresenter<HomeworkView>(errorHandler) {
+
+    lateinit var currentDate: LocalDate
+        private set
+
+    fun onAttachView(view: HomeworkView, date: Long?) {
+        super.onAttachView(view)
+        view.initView()
+        loadData(LocalDate.ofEpochDay(date ?: LocalDate.now().nextOrSameSchoolDay.toEpochDay()))
+        reloadView()
+    }
+
+    fun onPreviousDay() {
+        loadData(currentDate.previousSchoolDay)
+        reloadView()
+        logEvent("Homework day changed", mapOf("button" to "prev", "date" to currentDate.toFormattedString()))
+    }
+
+    fun onNextDay() {
+        loadData(currentDate.nextSchoolDay)
+        reloadView()
+        logEvent("Homework day changed", mapOf("button" to "next", "date" to currentDate.toFormattedString()))
+    }
+
+    fun onSwipeRefresh() {
+        loadData(currentDate, true)
+    }
+
+    fun onHomeworkItemSelected(item: AbstractFlexibleItem<*>?) {
+        if (item is HomeworkItem) view?.showTimetableDialog(item.homework)
+    }
+
+    private fun loadData(date: LocalDate, forceRefresh: Boolean = false) {
+        currentDate = date
+        disposable.apply {
+            clear()
+            add(sessionRepository.getSemesters()
+                .delay(200, TimeUnit.MILLISECONDS)
+                .map { it.single { semester -> semester.current } }
+                .flatMap { homeworkRepository.getHomework(it, currentDate, forceRefresh) }
+                .map { items -> items.map { HomeworkItem(it) } }
+                .subscribeOn(schedulers.backgroundThread)
+                .observeOn(schedulers.mainThread)
+                .doFinally {
+                    view?.run {
+                        hideRefresh()
+                        showProgress(false)
+                    }
+                }
+                .subscribe({
+                    view?.apply {
+                        updateData(it)
+                        showEmpty(it.isEmpty())
+                        showContent(it.isNotEmpty())
+                    }
+                    logEvent("Homework load", mapOf("items" to it.size, "forceRefresh" to forceRefresh, "date" to currentDate.toFormattedString()))
+                }) {
+                    view?.run { showEmpty(isViewEmpty()) }
+                    errorHandler.proceed(it)
+                })
+        }
+    }
+
+    private fun reloadView() {
+        view?.apply {
+            showProgress(true)
+            showContent(false)
+            showEmpty(false)
+            clearData()
+            showNextButton(!currentDate.plusDays(1).isHolidays)
+            showPreButton(!currentDate.minusDays(1).isHolidays)
+            updateNavigationDay(currentDate.toFormattedString("EEEE \n dd.MM.YYYY").capitalize())
+        }
+    }
+}

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

@@ -0,0 +1,31 @@
+package io.github.wulkanowy.ui.modules.homework
+
+import io.github.wulkanowy.data.db.entities.Homework
+import io.github.wulkanowy.ui.base.BaseView
+
+interface HomeworkView : BaseView {
+
+    fun initView()
+
+    fun updateData(data: List<HomeworkItem>)
+
+    fun clearData()
+
+    fun updateNavigationDay(date: String)
+
+    fun isViewEmpty(): Boolean
+
+    fun hideRefresh()
+
+    fun showEmpty(show: Boolean)
+
+    fun showProgress(show: Boolean)
+
+    fun showContent(show: Boolean)
+
+    fun showPreButton(show: Boolean)
+
+    fun showNextButton(show: Boolean)
+
+    fun showTimetableDialog(homework: Homework)
+}

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

@@ -13,6 +13,7 @@ import io.github.wulkanowy.ui.modules.attendance.AttendanceFragment
 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.homework.HomeworkFragment
 import io.github.wulkanowy.ui.modules.more.MoreFragment
 import io.github.wulkanowy.ui.modules.note.NoteFragment
 import io.github.wulkanowy.ui.modules.settings.SettingsFragment
@@ -61,4 +62,7 @@ abstract class MainModule {
 
     @ContributesAndroidInjector
     abstract fun bindNoteFragment(): NoteFragment
+
+    @ContributesAndroidInjector
+    abstract fun bindHomeworkFragment(): HomeworkFragment
 }

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

@@ -12,6 +12,7 @@ import eu.davidea.flexibleadapter.items.AbstractFlexibleItem
 import io.github.wulkanowy.R
 import io.github.wulkanowy.ui.base.BaseFragment
 import io.github.wulkanowy.ui.modules.about.AboutFragment
+import io.github.wulkanowy.ui.modules.homework.HomeworkFragment
 import io.github.wulkanowy.ui.modules.main.MainActivity
 import io.github.wulkanowy.ui.modules.main.MainView
 import io.github.wulkanowy.ui.modules.note.NoteFragment
@@ -35,6 +36,13 @@ class MoreFragment : BaseFragment(), MoreView, MainView.TitledView, MainView.Mai
     override val titleStringId: Int
         get() = R.string.more_title
 
+    override val homeworkRes: Pair<String, Drawable?>?
+        get() {
+            return context?.run {
+                getString(R.string.homework_title) to ContextCompat.getDrawable(this, R.drawable.ic_menu_main_homework_24dp)
+            }
+        }
+
     override val noteRes: Pair<String, Drawable?>?
         get() {
             return context?.run {
@@ -84,6 +92,10 @@ class MoreFragment : BaseFragment(), MoreView, MainView.TitledView, MainView.Mai
         moreAdapter.updateDataSet(data)
     }
 
+    override fun openHomeworkView() {
+        (activity as? MainActivity)?.pushView(HomeworkFragment.newInstance())
+    }
+
     override fun openNoteView() {
         (activity as? MainActivity)?.pushView(NoteFragment.newInstance())
     }

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

@@ -17,6 +17,7 @@ class MorePresenter @Inject constructor(errorHandler: ErrorHandler) : BasePresen
         if (item is MoreItem) {
             view?.run {
                 when (item.title) {
+                    homeworkRes?.first -> openHomeworkView()
                     noteRes?.first -> openNoteView()
                     settingsRes?.first -> openSettingsView()
                     aboutRes?.first -> openAboutView()
@@ -32,6 +33,7 @@ class MorePresenter @Inject constructor(errorHandler: ErrorHandler) : BasePresen
     private fun loadData() {
         view?.run {
             updateData(listOfNotNull(
+                homeworkRes?.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 homeworkRes: Pair<String, Drawable?>?
+
     val noteRes: Pair<String, Drawable?>?
 
     val settingsRes: Pair<String, Drawable?>?
@@ -20,5 +22,8 @@ interface MoreView : BaseView {
     fun openAboutView()
 
     fun popView()
+
+    fun openHomeworkView()
+
     fun openNoteView()
 }

app/src/main/res/drawable/ic_menu_main_homework_24dp.xml

@@ -0,0 +1,10 @@
+<!--https://materialdesignicons.com/icon/notebook-->
+<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="#000"
+        android:pathData="M3,7V5H5V4C5,2.89 5.9,2 7,2H13V9L15.5,7.5L18,9V2H19C20.05,2 21,2.95 21,4V20C21,21.05 20.05,22 19,22H7C5.95,22 5,21.05 5,20V19H3V17H5V13H3V11H5V7H3M7,11H5V13H7V11M7,7V5H5V7H7M7,19V17H5V19H7Z" />
+</vector>

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

@@ -0,0 +1,112 @@
+<?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/homework_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_subject"
+            android:textSize="17sp" />
+
+        <TextView
+            android:id="@+id/homeworkDialogSubject"
+            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/homeworkDialogTeacher"
+            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/homeworkDialogDate"
+            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_entry_date"
+            android:textSize="17sp" />
+
+        <TextView
+            android:id="@+id/homeworkDialogEntryDate"
+            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_content"
+            android:textSize="17sp" />
+
+        <TextView
+            android:id="@+id/homeworkDialogContent"
+            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/homeworkDialogClose"
+            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/dialog_note.xml

@@ -69,7 +69,7 @@
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:layout_marginTop="10dp"
-            android:text="@string/note_content"
+            android:text="@string/all_content"
             android:textSize="17sp" />
 
         <TextView

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

@@ -0,0 +1,96 @@
+<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">
+
+    <androidx.coordinatorlayout.widget.CoordinatorLayout
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:layout_marginBottom="50dp">
+
+        <ProgressBar
+            android:id="@+id/homeworkProgress"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center"
+            android:indeterminate="true" />
+
+        <androidx.swiperefreshlayout.widget.SwipeRefreshLayout
+            android:id="@+id/homeworkSwipe"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent">
+
+            <androidx.recyclerview.widget.RecyclerView
+                android:id="@+id/homeworkRecycler"
+                android:layout_width="match_parent"
+                android:layout_height="match_parent" />
+        </androidx.swiperefreshlayout.widget.SwipeRefreshLayout>
+
+        <LinearLayout
+            android:id="@+id/homeworkEmpty"
+            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_homework_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/homework_no_items"
+                android:textSize="20sp" />
+        </LinearLayout>
+    </androidx.coordinatorlayout.widget.CoordinatorLayout>
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="50dp"
+        android:layout_gravity="bottom"
+        android:background="?android:attr/windowBackground"
+        android:elevation="10dp"
+        android:orientation="horizontal">
+
+        <Button
+            android:id="@+id/homeworkPreviousButton"
+            style="@style/Widget.AppCompat.Button.Borderless"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:drawablePadding="4dp"
+            android:gravity="start|center"
+            android:text="@string/all_prev"
+            android:textAlignment="gravity" />
+
+        <TextView
+            android:id="@+id/homeworkNavDate"
+            android:layout_width="wrap_content"
+            android:layout_height="match_parent"
+            android:gravity="center"
+            android:text="@string/app_name" />
+
+        <Button
+            android:id="@+id/homeworkNextButton"
+            style="@style/Widget.AppCompat.Button.Borderless"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_gravity="end"
+            android:layout_weight="1"
+            android:drawablePadding="4dp"
+            android:gravity="end|center"
+            android:text="@string/all_next"
+            android:textAlignment="gravity" />
+    </LinearLayout>
+</FrameLayout>

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

@@ -0,0 +1,49 @@
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/homework_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/homeworkItemSubject"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="15dp"
+        android:layout_marginLeft="15dp"
+        android:layout_marginTop="10dp"
+        android:layout_marginBottom="5dp"
+        android:text="@string/all_date"
+        android:textSize="17sp" />
+
+    <TextView
+        android:id="@+id/homeworkItemTeacher"
+        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/homeworkItemSubject"
+        android:layout_toRightOf="@id/homeworkItemSubject"
+        android:gravity="end"
+        android:text="@string/all_teacher"
+        android:textSize="13sp" />
+
+    <TextView
+        android:id="@+id/homeworkItemContent"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_below="@id/homeworkItemSubject"
+        android:layout_alignStart="@id/homeworkItemSubject"
+        android:layout_alignLeft="@id/homeworkItemSubject"
+        android:layout_marginEnd="15dp"
+        android:layout_marginRight="15dp"
+        android:layout_marginBottom="15dp"
+        android:lineSpacingMultiplier="1.2"
+        android:text="@string/all_content"
+        android:textSize="14sp" />
+</RelativeLayout>

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

@@ -12,6 +12,7 @@
     <string name="more_title">Więcej</string>
     <string name="about_title">O aplikacji</string>
     <string name="note_title">Uwagi i osiągnięcia</string>
+    <string name="homework_title">Zadania domowe</string>
 
 
     <!--Login form-->
@@ -120,7 +121,6 @@
 
     <!--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>
@@ -136,11 +136,17 @@
     </plurals>
 
 
+    <!--Homework-->
+    <string name="homework_no_items">Brak zadań domowych</string>
+
+
     <!--Generic-->
+    <string name="all_content">Treść</string>
     <string name="all_description">Opis</string>
     <string name="all_no_description">Brak opisu</string>
     <string name="all_teacher">Nauczyciel</string>
     <string name="all_date">Data</string>
+    <string name="all_entry_date">Data wpisu</string>
     <string name="all_color">Kolor</string>
     <string name="all_details">Szczegóły</string>
     <string name="all_category">Kategoria</string>

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

@@ -12,6 +12,7 @@
     <string name="more_title">More</string>
     <string name="about_title">About</string>
     <string name="note_title">Notes and achievements</string>
+    <string name="homework_title">Homework</string>
 
 
     <!--Login form-->
@@ -109,7 +110,6 @@
 
     <!--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>
@@ -121,11 +121,17 @@
     </plurals>
 
 
+    <!--Homework-->
+    <string name="homework_no_items">No info about homework</string>
+
+
     <!--Generic-->
+    <string name="all_content">Content</string>
     <string name="all_description">Description</string>
     <string name="all_no_description">No description</string>
     <string name="all_teacher">Teacher</string>
     <string name="all_date">Date</string>
+    <string name="all_entry_date">Entry date</string>
     <string name="all_color">Color</string>
     <string name="all_details">Details</string>
     <string name="all_category">Category</string>