Fragments now get data class instances from Room instead of having them passed through a Bundle object; ClassSessionSheet.kt now keeps screen turned on; renamed *BottomSheet.kt to *Sheet.kt

2020-02-22 08:02:01 +01:00
parent bbec19e79c
commit 9ed5d7bb5f
64 changed files with 436 additions and 471 deletions
@@ -70,21 +70,21 @@
    <output-test url="file://$MODULE_DIR$/../../../app/build/intermediates/javac/debugUnitTest/classes" />
    <exclude-output />
    <content url="file://$MODULE_DIR$/../../../app">
-      <sourceFolder url="file://$MODULE_DIR$/../../../app/build/generated/ap_generated_sources/debug/out" isTestSource="false" generated="true" />
-      <sourceFolder url="file://$MODULE_DIR$/../../../app/build/generated/source/buildConfig/debug" isTestSource="false" generated="true" />
      <sourceFolder url="file://$MODULE_DIR$/../../../app/build/generated/source/kapt/debug" isTestSource="false" generated="true" />
+      <sourceFolder url="file://$MODULE_DIR$/../../../app/build/generated/ap_generated_sources/debug/out" isTestSource="false" generated="true" />
      <sourceFolder url="file://$MODULE_DIR$/../../../app/build/generated/aidl_source_output_dir/debug/out" isTestSource="false" generated="true" />
-      <sourceFolder url="file://$MODULE_DIR$/../../../app/build/generated/source/kaptKotlin/debug" isTestSource="false" generated="true" />
+      <sourceFolder url="file://$MODULE_DIR$/../../../app/build/generated/source/buildConfig/debug" isTestSource="false" generated="true" />
      <sourceFolder url="file://$MODULE_DIR$/../../../app/build/generated/renderscript_source_output_dir/debug/out" isTestSource="false" generated="true" />
+      <sourceFolder url="file://$MODULE_DIR$/../../../app/build/generated/source/kaptKotlin/debug" isTestSource="false" generated="true" />
      <sourceFolder url="file://$MODULE_DIR$/../../../app/build/generated/res/rs/debug" type="java-resource" generated="true" />
+      <sourceFolder url="file://$MODULE_DIR$/../../../app/build/generated/source/kapt/debugAndroidTest" isTestSource="true" generated="true" />
      <sourceFolder url="file://$MODULE_DIR$/../../../app/build/generated/ap_generated_sources/debugAndroidTest/out" isTestSource="true" generated="true" />
      <sourceFolder url="file://$MODULE_DIR$/../../../app/build/generated/aidl_source_output_dir/debugAndroidTest/out" isTestSource="true" generated="true" />
      <sourceFolder url="file://$MODULE_DIR$/../../../app/build/generated/source/buildConfig/androidTest/debug" isTestSource="true" generated="true" />
-      <sourceFolder url="file://$MODULE_DIR$/../../../app/build/generated/source/kapt/debugAndroidTest" isTestSource="true" generated="true" />
      <sourceFolder url="file://$MODULE_DIR$/../../../app/build/generated/renderscript_source_output_dir/debugAndroidTest/out" isTestSource="true" generated="true" />
      <sourceFolder url="file://$MODULE_DIR$/../../../app/build/generated/res/rs/androidTest/debug" type="java-test-resource" generated="true" />
-      <sourceFolder url="file://$MODULE_DIR$/../../../app/build/generated/ap_generated_sources/debugUnitTest/out" isTestSource="true" generated="true" />
      <sourceFolder url="file://$MODULE_DIR$/../../../app/build/generated/source/kapt/debugUnitTest" isTestSource="true" generated="true" />
+      <sourceFolder url="file://$MODULE_DIR$/../../../app/build/generated/ap_generated_sources/debugUnitTest/out" isTestSource="true" generated="true" />
      <sourceFolder url="file://$MODULE_DIR$/../../../app/src/debug/res" type="java-resource" />
      <sourceFolder url="file://$MODULE_DIR$/../../../app/src/debug/resources" type="java-resource" />
      <sourceFolder url="file://$MODULE_DIR$/../../../app/src/debug/assets" type="java-resource" />
@@ -134,11 +134,11 @@
    <orderEntry type="module-library">
      <library name="Gradle: kaptGeneratedClasses">
        <CLASSES>
-          <root url="file://$MODULE_DIR$/../../../app/build/tmp/kapt3/classes/releaseUnitTest" />
-          <root url="file://$MODULE_DIR$/../../../app/build/tmp/kapt3/classes/release" />
          <root url="file://$MODULE_DIR$/../../../app/build/tmp/kapt3/classes/debugAndroidTest" />
          <root url="file://$MODULE_DIR$/../../../app/build/tmp/kapt3/classes/debug" />
          <root url="file://$MODULE_DIR$/../../../app/build/tmp/kapt3/classes/debugUnitTest" />
+          <root url="file://$MODULE_DIR$/../../../app/build/tmp/kapt3/classes/release" />
+          <root url="file://$MODULE_DIR$/../../../app/build/tmp/kapt3/classes/releaseUnitTest" />
        </CLASSES>
        <JAVADOC />
        <SOURCES />
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="" vcs="Git" />
+  </component>
+</project>
@@ -56,6 +56,7 @@ dependencies {

    implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-core:1.3.0'
    implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-android:1.3.0'
+
    implementation 'androidx.lifecycle:lifecycle-viewmodel-ktx:2.2.0'

    implementation 'com.shawnlin:number-picker:2.4.8'
@@ -1,46 +1,39 @@
 package com.denizd.qwark.activity

-import android.Manifest
 import android.graphics.Color
-import androidx.appcompat.app.AppCompatActivity
 import android.os.Bundle
 import android.view.View
 import android.view.ViewGroup
 import android.view.WindowManager
-import android.widget.TextView
-import androidx.core.app.ActivityCompat
+import androidx.fragment.app.FragmentActivity
 import androidx.fragment.app.FragmentTransaction
 import androidx.lifecycle.Lifecycle
 import androidx.lifecycle.ViewModelProvider
 import com.denizd.qwark.R
+import com.denizd.qwark.databinding.ActivityMainBinding
 import com.denizd.qwark.fragment.*
-import com.denizd.qwark.fragment.CourseFragment
-import com.denizd.qwark.fragment.ParticipationFragment
 import com.denizd.qwark.viewmodel.MainViewModel
-import com.google.android.material.appbar.AppBarLayout
-import com.google.android.material.bottomnavigation.BottomNavigationView

-internal class MainActivity : AppCompatActivity(R.layout.activity_main) {
+class MainActivity : FragmentActivity() {

-    private lateinit var toolbarTitle: TextView
-    private lateinit var bottomNavigationView: BottomNavigationView
    private lateinit var viewModel: MainViewModel

+    private var _binding: ActivityMainBinding? = null
+    private val binding: ActivityMainBinding get() = _binding!!
+
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setTheme(R.style.AppTheme)
+        _binding = ActivityMainBinding.inflate(layoutInflater)
+        setContentView(binding.root)

-        ActivityCompat.requestPermissions(this, arrayOf(Manifest.permission.WRITE_EXTERNAL_STORAGE), 42)
+//        ActivityCompat.requestPermissions(this, arrayOf(Manifest.permission.WRITE_EXTERNAL_STORAGE), 42)

        viewModel = ViewModelProvider(this)[MainViewModel::class.java]
        viewModel.applyTheme(window, this)
        viewModel.checkForFirstTimeYearNotice(this)

-        val actionBar = findViewById<AppBarLayout>(R.id.app_bar_layout)
-        toolbarTitle = findViewById(R.id.toolbarTxt)
-        bottomNavigationView = findViewById(R.id.bottom_nav)
-
-        findViewById<AppBarLayout>(R.id.app_bar_layout).also { appBarLayout ->
+        binding.appBarLayout.also { appBarLayout ->
            appBarLayout.setOnApplyWindowInsetsListener { _, insets ->
                (appBarLayout.layoutParams as ViewGroup.MarginLayoutParams)
                    .topMargin = insets.systemWindowInsetTop
@@ -48,6 +41,7 @@ internal class MainActivity : AppCompatActivity(R.layout.activity_main) {
            }
        }

+        // TODO remove this translucent app bar layout stuff, it's hard to maintain
        window.decorView.systemUiVisibility = if (resources.getBoolean(R.bool.isLight)) {
            View.SYSTEM_UI_FLAG_LAYOUT_STABLE or View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN or View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR
        } else {
@@ -59,8 +53,8 @@ internal class MainActivity : AppCompatActivity(R.layout.activity_main) {
        }
        window.statusBarColor = Color.TRANSPARENT

-        bottomNavigationView.setOnNavigationItemSelectedListener { item ->
-            actionBar.setExpanded(true)
+        binding.bottomNav.setOnNavigationItemSelectedListener { item ->
+            binding.appBarLayout.setExpanded(true)
            loadFragment(viewModel.getFragmentType(item.itemId))
        }

@@ -89,11 +83,16 @@ internal class MainActivity : AppCompatActivity(R.layout.activity_main) {
    override fun onResume() {
        super.onResume()
        if (supportFragmentManager.fragments.size == 0) {
-            bottomNavigationView.selectedItemId = R.id.courses
+            binding.bottomNav.selectedItemId = R.id.courses
            loadFragment(viewModel.getFragmentType(R.id.courses))
        }
    }

+    override fun onDestroy() {
+        super.onDestroy()
+        _binding = null
+    }
+
    private fun loadFragment(type: String): Boolean {
        val fragment = supportFragmentManager.findFragmentByTag(type) ?: viewModel.getFragment(type)

@@ -101,8 +100,10 @@ internal class MainActivity : AppCompatActivity(R.layout.activity_main) {
            return false
        }

-        supportFragmentManager.beginTransaction().replace(R.id.fragment_container, fragment, type)
-            .setTransition(FragmentTransaction.TRANSIT_FRAGMENT_OPEN).commit()
+        supportFragmentManager.beginTransaction()
+            .replace(R.id.fragment_container, fragment, type)
+            .setTransition(FragmentTransaction.TRANSIT_FRAGMENT_OPEN)
+            .commit()

 //        with (supportFragmentManager) {
 //            beginTransaction()
@@ -118,8 +119,8 @@ internal class MainActivity : AppCompatActivity(R.layout.activity_main) {
 //        Log.d("TAG2", "${supportFragmentManager.}") // supportFragmentManager.fragments[0].tag} ${supportFragmentManager.fragments[0].javaClass.simpleName
        when (supportFragmentManager.fragments[0].tag) {
            "GradeFragment", "ParticipationCourseFragment" -> {
-                bottomNavigationView.visibility = View.INVISIBLE
-                findViewById<View>(R.id.view).visibility = View.INVISIBLE
+                binding.bottomNav.visibility = View.INVISIBLE
+                binding.view.visibility = View.INVISIBLE
                super.onBackPressed()
            }
            "NoteFragment" -> {
@@ -128,8 +129,8 @@ internal class MainActivity : AppCompatActivity(R.layout.activity_main) {
                }
            }
            else -> {
-                bottomNavigationView.visibility = View.VISIBLE
-                findViewById<View>(R.id.view).visibility = View.VISIBLE
+                binding.bottomNav.visibility = View.VISIBLE
+                binding.view.visibility = View.VISIBLE
                super.onBackPressed()
            }
        }
@@ -12,6 +12,7 @@ import com.denizd.qwark.util.QwarkUtil
 import com.denizd.qwark.model.Course
 import com.denizd.qwark.model.CourseExam
 import com.denizd.qwark.util.getUserDefinedAverage
+import com.denizd.qwark.util.round
 import com.denizd.qwark.util.roundToInt

 class CourseAdapter(private var courses: List<CourseExam>,
@@ -69,14 +70,16 @@ class CourseAdapter(private var courses: List<CourseExam>,
                else -> context.getString(R.string.average_grade_placeholder, currentItem.average.getUserDefinedAverage(gradeType))
            }
        }
-        var timeLeft = ((currentItem.examTime.toDouble() - QwarkUtil.timeAtMidnight.toDouble()) / (1000.0 * 60.0 * 60.0 * 24.0)).roundToInt()
-        val examText = when (timeLeft) {
+        val examText = when (val timeLeft = ((currentItem.examTime.toDouble() - QwarkUtil.timeAtMidnight.toDouble()) / (1000.0 * 60.0 * 60.0 * 24.0)).roundToInt()) {
            0 -> context.getString(R.string.exam_today_placeholder)
            else -> {
                when {
                    timeLeft > 7 -> {
-                        timeLeft /= 7
-                        context.resources.getQuantityString(R.plurals.exam_weeks_placeholder, timeLeft, timeLeft.toString())
+                        context.resources.getQuantityString(
+                            R.plurals.exam_weeks_placeholder,
+                            2,
+                            (timeLeft.toDouble() / 7.0).round(1).toString()
+                        )
                    }
                    timeLeft in 1..7 -> context.resources.getQuantityString(R.plurals.exam_days_placeholder, timeLeft, timeLeft.toString())
                    else -> ""
@@ -53,7 +53,16 @@ class ParticipationAdapter(private var participations: List<Participation>, priv
                }
            }
        ))
-        holder.time.text = QwarkUtil.getSimpleDateTimeFormat().format(Date(currentItem.time))
+        holder.time.text = buildString {
+            append(QwarkUtil.getSimpleDateTimeFormat().format(Date(currentItem.time)))
+
+            // TODO this checks the time on fragment launch, but it doesn't change, even if the time has passed
+            append(if (currentItem.time > System.currentTimeMillis() - 1000 * 60 * 90) {
+                holder.time.context.getString(R.string.participation_resumable)
+            } else {
+                ""
+            })
+        }
        holder.participationText.text = holder.participationText.context.getString(
            R.string.participation_placeholder,
            currentItem.timesHandRaised.toString(),
@@ -21,4 +21,6 @@ internal class CourseRepository(app: Application) {

    fun getCoursesByYearId(yearId: Int): LiveData<List<CourseExam>> = dao.getCoursesByYearId(yearId)
    fun getAveragesForCourses(courseId: Int): List<HistoricalAvg> = dao.getAveragesForCourses(courseId)
+
+    fun getCourse(courseId: Int): CourseExam = dao.getCourse(courseId)[0]
 }
@@ -42,6 +42,6 @@ class FinalsRepository(app: Application) {
    fun getAllCourses() = dao.getAllCourseExams()

    fun getCourse(courseId: Int) = dao.getCourse(courseId)[0]
-
+    fun getFinalGrade(finalGradeId: Int) = dao.getFinalGrade(finalGradeId)[0]
    fun update(finalGrade: FinalGrade) { dao.update(finalGrade) }
 }
@@ -27,4 +27,5 @@ class GradeRepository(app: Application) {
    }

    fun getGradesByForeignKey(courseId: Int): LiveData<List<Grade>> = dao.getGradesByForeignKey(courseId)
+    fun getGrade(gradeId: Int) = dao.getGrade(gradeId)[0]
 }
@@ -16,4 +16,5 @@ class NoteRepository(app: Application) {
    fun update(note: Note) { dao.update(note) }
    fun updateDismissed(newDismissedStatus: Boolean, noteId: Int) { dao.updateDismissed(newDismissedStatus, noteId) }
    fun delete(noteId: Int) { dao.deleteNote(noteId) }
+    fun getNote(noteId: Int) = dao.getNote(noteId)[0]
 }
@@ -3,14 +3,12 @@ package com.denizd.qwark.database
 import android.app.Application
 import android.util.Log
 import androidx.lifecycle.LiveData
-import com.denizd.qwark.util.QwarkPreferences
 import com.denizd.qwark.model.Course
 import com.denizd.qwark.model.CourseExam
 import com.denizd.qwark.model.Participation
 import com.denizd.qwark.model.SchoolDay
-import com.denizd.qwark.util.QwarkUtil
-import com.denizd.qwark.util.round
-import com.denizd.qwark.util.roundToInt
+import com.denizd.qwark.util.*
+import com.denizd.qwark.util.QwarkPreferences
 import java.util.*

 class ParticipationRepository(app: Application) {
@@ -46,8 +44,7 @@ class ParticipationRepository(app: Application) {

    fun getDayType(): String = if (dayId in 1..5) days[dayId - 1] else days[1]
    fun getDays(): List<SchoolDay> = dao.getDays(prefs.getSchoolYear())
-    fun getCourses(): List<CourseExam> = QwarkUtil.getCoursesSorted(
-        dao.getCoursesByYearIdAsList(prefs.getSchoolYear()),
+    fun getCourses(): List<CourseExam> = dao.getCoursesByYearIdAsList(prefs.getSchoolYear()).getSorted(
        prefs.getCourseSortType()
    )
    fun link(courseId: Int) { dao.link(courseId, getDayType(), prefs.getSchoolYear()) }
@@ -67,6 +64,11 @@ class ParticipationRepository(app: Application) {
        )
    }
    fun delete(participation: Participation) { dao.delete(participation) }
-    fun updateParticipation(participation: String, courseId: Int) { dao.updateParticipation(participation, courseId) }
+    fun updateParticipation(participation: String, courseId: Int) {
+        dao.updateParticipation(participation, courseId)
+    }
+    fun updateParticipation(timesHandRaised: Int, timesSpoken: Int, participationId: Int) {
+        dao.updateParticipation(timesHandRaised, timesSpoken, participationId)
+    }
    fun getSchoolYearName() = prefs.getSchoolYearName()
 }
@@ -47,6 +47,9 @@ interface QwarkDao {
    @Query("UPDATE course SET participation = :participation WHERE course_id = :courseId")
    fun updateParticipation(participation: String, courseId: Int)

+    @Query("UPDATE participation SET times_hand_raised = :timesHandRaised, times_spoken = :timesSpoken WHERE participation_id = :participationId")
+    fun updateParticipation(timesHandRaised: Int, timesSpoken: Int, participationId: Int)
+

    // grades
    @get:Query("SELECT * FROM grade ORDER BY time")
@@ -64,6 +67,9 @@ interface QwarkDao {
    @Query("DELETE FROM grade WHERE grade_id = :gradeId")
    fun deleteGrade(gradeId: Int)

+    @Query("SELECT * FROM grade WHERE grade_id = :gradeId")
+    fun getGrade(gradeId: Int): List<Grade>
+

    // notes
    @get:Query("SELECT * FROM note ORDER BY time DESC")
@@ -90,6 +96,9 @@ interface QwarkDao {
    @Query("SELECT DISTINCT category FROM note")
    fun getAllCategories(): List<String>

+    @Query("SELECT * FROM note WHERE note_id = :noteId")
+    fun getNote(noteId: Int): List<Note>
+

    // historical averages
    @get:Query("SELECT * FROM historical_avg ORDER BY course_id DESC")
@@ -155,6 +164,9 @@ interface QwarkDao {
    @Insert
    fun insertAll(finalGrades: Array<FinalGrade>)

+    @Query("SELECT * FROM final_grade WHERE final_grade_id = :finalGradeId")
+    fun getFinalGrade(finalGradeId: Int): List<FinalGrade>
+

    // school days
    @Insert
@@ -174,7 +186,7 @@ interface QwarkDao {
    @Query("DELETE FROM course_schoolday_relation WHERE relation_id = :relationId")
    fun removeLink(relationId: Int)

-    @Query("SELECT * FROM participation WHERE course_id = :courseId")
+    @Query("SELECT * FROM participation WHERE course_id = :courseId ORDER BY time DESC")
    fun getAllParticipationsForCourse(courseId: Int): LiveData<List<Participation>>

    @Insert
@@ -8,44 +8,44 @@ import android.view.View
 import android.view.ViewGroup
 import androidx.fragment.app.FragmentActivity
 import androidx.fragment.app.FragmentTransaction
+import androidx.fragment.app.viewModels
 import androidx.lifecycle.Observer
-import androidx.lifecycle.ViewModelProvider
 import androidx.recyclerview.widget.StaggeredGridLayoutManager
 import com.denizd.qwark.R
 import com.denizd.qwark.adapter.CourseAdapter
-import com.denizd.qwark.sheet.ConfirmDeletionBottomSheet
-import com.denizd.qwark.sheet.CourseCreateBottomSheet
-import com.denizd.qwark.sheet.CourseOptionsBottomSheet
-import com.denizd.qwark.util.QwarkUtil
+import com.denizd.qwark.sheet.ConfirmDeletionSheet
+import com.denizd.qwark.sheet.CourseCreateSheet
+import com.denizd.qwark.sheet.CourseOptionsSheet
 import com.denizd.qwark.databinding.*
-import com.denizd.qwark.sheet.HistoricalAverageBottomSheet
+import com.denizd.qwark.sheet.HistoricalAverageSheet
 import com.denizd.qwark.model.Course
 import com.denizd.qwark.model.CourseExam
 import com.denizd.qwark.util.calculateTotalAverage
+import com.denizd.qwark.util.getSorted
 import com.denizd.qwark.viewmodel.CourseViewModel
 import com.google.android.material.snackbar.Snackbar
 import java.lang.NumberFormatException

-internal class CourseFragment : QwarkFragment(), CourseAdapter.CourseClickListener {
+class CourseFragment : QwarkFragment(), CourseAdapter.CourseClickListener {

    private var _binding: PaddedRecyclerViewBinding? = null
    private val binding: PaddedRecyclerViewBinding get() = _binding!!

-    private lateinit var viewModel: CourseViewModel
+    private val viewModel: CourseViewModel by viewModels()
    private lateinit var recyclerViewAdapter: CourseAdapter

    private var scrollPosition: Parcelable? = null

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
-        viewModel = ViewModelProvider(this)[CourseViewModel::class.java]
        recyclerViewAdapter = CourseAdapter(ArrayList(), this, viewModel.getGradeType())
        viewModel.allCourses.observe(this, Observer { courses ->
-            val c = QwarkUtil.getCoursesSorted(courses, viewModel.getCourseSortType())
-            recyclerViewAdapter.setCourses(c)
+            recyclerViewAdapter.setCourses(courses.getSorted(viewModel.getCourseSortType()))
            if (scrollPosition == null) {
-                binding.recyclerView.scrollToPosition(0)
-                binding.recyclerView.scheduleLayoutAnimation()
+                binding.recyclerView.apply {
+                    scrollToPosition(0)
+                    scheduleLayoutAnimation()
+                }
            } else {
                binding.recyclerView.layoutManager?.onRestoreInstanceState(scrollPosition)
            }
@@ -105,16 +105,7 @@ internal class CourseFragment : QwarkFragment(), CourseAdapter.CourseClickListen
    override fun onResume() {
        super.onResume()
        binding.recyclerView.apply {
-            applyPadding(verticalPadding = 4)
-            /**
-             * On first app launch, setting the padding will not scroll the recycler view items
-             * down. This is a workaround to scroll the recycler view down programmatically.
-             */
-            // TODO this actually doesn't do anything
-//            if (!QwarkUtil.hasAppLaunched) {
-//                scrollToPosition(0)
-//                QwarkUtil.hasAppLaunched = true
-//            }
+            applyPadding(horizontalPadding = 4)
        }
    }

@@ -142,8 +133,8 @@ internal class CourseFragment : QwarkFragment(), CourseAdapter.CourseClickListen
    }

    private fun createOptionsDialog(course: CourseExam) {
-        openBottomSheet(CourseOptionsBottomSheet().also { sheet ->
-            QwarkUtil.putCourseInBundle(sheet, course)
+        openBottomSheet(CourseOptionsSheet().also { sheet ->
+            sheet.arguments = Bundle().apply { putInt("courseId", course.courseId) }
        })
    }

@@ -162,7 +153,7 @@ internal class CourseFragment : QwarkFragment(), CourseAdapter.CourseClickListen
    fun getAveragesForCourse(courseId: Int) = viewModel.getAveragesForCourses(courseId)

    fun createHistoryDialog(courseId: Int, course: String) {
-        openBottomSheet(HistoricalAverageBottomSheet().also { sheet ->
+        openBottomSheet(HistoricalAverageSheet().also { sheet ->
            sheet.arguments = Bundle(2).apply {
                putString("courseName", course)
                putInt("courseId", courseId)
@@ -171,18 +162,20 @@ internal class CourseFragment : QwarkFragment(), CourseAdapter.CourseClickListen
    }

    fun createCourseDialog(course: CourseExam? = null) {
-        openBottomSheet(CourseCreateBottomSheet().also { sheet ->
-            if (course != null) QwarkUtil.putCourseInBundle(sheet, course)
+        openBottomSheet(CourseCreateSheet().also { sheet ->
+            if (course != null) sheet.arguments = Bundle().apply { putInt("courseId", course.courseId) }
        })
    }

    fun deleteCourse(course: Course) {
        openBottomSheet(
-            ConfirmDeletionBottomSheet(
+            ConfirmDeletionSheet(
                getString(R.string.delete_course_and_data_confirmation, course.name)
            ) {
                viewModel.delete(course)
            }
        )
    }
+
+    fun getCourse(courseId: Int): CourseExam = viewModel.getCourse(courseId)
 }
@@ -3,27 +3,26 @@ package com.denizd.qwark.fragment
 import android.content.res.Configuration
 import android.os.Bundle
 import android.os.Parcelable
-import android.util.Log
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
+import androidx.fragment.app.FragmentActivity
 import androidx.fragment.app.FragmentTransaction
 import androidx.lifecycle.Observer
 import androidx.lifecycle.ViewModelProvider
 import androidx.recyclerview.widget.LinearLayoutManager
 import com.denizd.qwark.R
 import com.denizd.qwark.adapter.FinalGradeAdapter
-import com.denizd.qwark.sheet.ConfirmDeletionBottomSheet
-import com.denizd.qwark.sheet.FinalsCreateBottomSheet
-import com.denizd.qwark.sheet.FinalsOptionsBottomSheet
+import com.denizd.qwark.sheet.ConfirmDeletionSheet
+import com.denizd.qwark.sheet.FinalsCreateSheet
+import com.denizd.qwark.sheet.FinalsOptionsSheet
 import com.denizd.qwark.databinding.FinalsFragmentBinding
-import com.denizd.qwark.sheet.FinalsLinkBottomSheet
-import com.denizd.qwark.util.QwarkUtil
+import com.denizd.qwark.sheet.FinalsLinkSheet
 import com.denizd.qwark.model.FinalGrade
 import com.denizd.qwark.viewmodel.FinalsViewModel
 import com.google.android.material.snackbar.Snackbar

-internal class FinalsFragment : QwarkFragment(), FinalGradeAdapter.FinalGradeClickListener {
+class FinalsFragment : QwarkFragment(), FinalGradeAdapter.FinalGradeClickListener {

    private lateinit var viewModel: FinalsViewModel
    private var _binding: FinalsFragmentBinding? = null
@@ -44,7 +43,7 @@ internal class FinalsFragment : QwarkFragment(), FinalGradeAdapter.FinalGradeCli
        super.onCreate(savedInstanceState)
        viewModel = ViewModelProvider(this)[FinalsViewModel::class.java]
        viewModel.updateLinkedGrades {
-            viewModel.allFinalGrades?.observe(this, Observer { finalGrades ->
+            viewModel.allFinalGrades.observe(this, Observer { finalGrades ->
                //            createOverview(finalGrades, view.rootView) // TODO export to bitmap
                if (basicScrollPosition == null) {
                    binding.basicCoursesRecyclerview.scheduleLayoutAnimation()
@@ -67,7 +66,7 @@ internal class FinalsFragment : QwarkFragment(), FinalGradeAdapter.FinalGradeCli
                    binding.gradeTextview.text = "---"
                } else {
                    pointsText = "$finalScore"
-                    gradeText = getString(R.string.approximate_placeholder, viewModel.getFinalGrade(finalScore).toString())
+                    gradeText = getString(R.string.approximate_placeholder, viewModel.getFinalGradeScore(finalScore).toString())
                    setTextForGradeTextViews()
                }

@@ -126,41 +125,42 @@ internal class FinalsFragment : QwarkFragment(), FinalGradeAdapter.FinalGradeCli
    }

    override fun onFinalGradeClick(finalGrade: FinalGrade) {
-        openBottomSheet(FinalsOptionsBottomSheet().also { sheet ->
-            QwarkUtil.putFinalGradeInBundle(sheet, finalGrade)
+        openBottomSheet(FinalsOptionsSheet().also { sheet ->
+            sheet.arguments = Bundle().apply { putInt("finalGradeId", finalGrade.finalGradeId) }
        })
    }

-    internal fun createEditGradeSheet(finalGrade: FinalGrade) {
-        openBottomSheet(FinalsCreateBottomSheet().also { sheet ->
-            QwarkUtil.putFinalGradeInBundle(sheet, finalGrade)
+    fun createEditGradeSheet(finalGrade: FinalGrade) {
+        openBottomSheet(FinalsCreateSheet().also { sheet ->
+            sheet.arguments = Bundle().apply { putInt("finalGradeId", finalGrade.finalGradeId) }
        })
    }

-    internal fun createLinkGradeSheet(finalGrade: FinalGrade) {
-        openBottomSheet(FinalsLinkBottomSheet().also { sheet ->
-            QwarkUtil.putFinalGradeInBundle(sheet, finalGrade)
+    fun createLinkGradeSheet(finalGrade: FinalGrade) {
+        openBottomSheet(FinalsLinkSheet().also { sheet ->
+            sheet.arguments = Bundle().apply { putInt("finalGradeId", finalGrade.finalGradeId) }
        })
    }

-    internal fun getAllYears() = viewModel.getAllYears()
-    internal fun getAllCourses() = viewModel.getAllCourses()
+    fun getAllYears() = viewModel.getAllYears()
+    fun getAllCourses() = viewModel.getAllCourses()

-    internal fun viewLinkedCourse(courseId: Int) {
-        val f = GradeFragment()
-        QwarkUtil.putCourseInBundle(f, viewModel.getCourse(courseId))
-        val d = viewModel.getSchoolYearName(courseId)
-        Log.d("TAG", d)
-        f.arguments?.putString("schoolYear", d)
-        activity?.supportFragmentManager?.beginTransaction()
-            ?.replace(R.id.fragment_container, f)
-            ?.addToBackStack("GradeFragment")
-            ?.setTransition(FragmentTransaction.TRANSIT_FRAGMENT_OPEN)
-            ?.commit()
+    fun viewLinkedCourse(courseId: Int) {
+        val f = GradeFragment().also { fragment ->
+            fragment.arguments = Bundle().apply {
+                putInt("courseId", courseId)
+                putString("schoolYear", viewModel.getSchoolYearName(courseId))
+            }
+        }
+        (context as FragmentActivity).supportFragmentManager.beginTransaction()
+            .replace(R.id.fragment_container, f)
+            .addToBackStack(f.name)
+            .setTransition(FragmentTransaction.TRANSIT_FRAGMENT_OPEN)
+            .commit()
    }

-    internal fun clearFinalGrade(finalGrade: FinalGrade) {
-        val deletionSheet = ConfirmDeletionBottomSheet(getString(R.string.clear_final_grade_desc, finalGrade.name)) {
+    fun clearFinalGrade(finalGrade: FinalGrade) {
+        val deletionSheet = ConfirmDeletionSheet(getString(R.string.clear_final_grade_desc, finalGrade.name)) {
            val newFinalGrade = FinalGrade(
                name = "",
                grade = "-1",
@@ -175,14 +175,14 @@ internal class FinalsFragment : QwarkFragment(), FinalGradeAdapter.FinalGradeCli
        openBottomSheet(deletionSheet)
    }

-    internal fun clearFinalGradeError() {
+    fun clearFinalGradeError() {
        Snackbar
            .make(snackBarContainer, getString(R.string.clear_final_grade_error), Snackbar.LENGTH_LONG)
            .setBackgroundTint(context.getColor(R.color.colorWarning))
            .show()
    }

-    internal fun update(finalGrade: FinalGrade) { viewModel.update(finalGrade) }
+    fun update(finalGrade: FinalGrade) { viewModel.update(finalGrade) }

    // TODO perhaps replace with a bottom sheet
 //    private fun createOverview(finalGrades: List<FinalGrade>, view: View) {
@@ -284,6 +284,7 @@ internal class FinalsFragment : QwarkFragment(), FinalGradeAdapter.FinalGradeCli
        binding.finalExamsRecyclerview.layoutManager?.onRestoreInstanceState(examScrollPosition)
    }

-    internal fun getCourseSortType() = viewModel.getCourseSortType()
+    fun getCourseSortType() = viewModel.getCourseSortType()
    fun getGradeType() = viewModel.getGradeType()
+    fun getFinalGrade(finalGradeId: Int) = viewModel.getFinalGrade(finalGradeId)
 }
@@ -2,24 +2,22 @@ package com.denizd.qwark.fragment

 import android.os.Bundle
 import android.os.Parcelable
-import android.util.Log
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import androidx.fragment.app.FragmentActivity
 import androidx.fragment.app.FragmentTransaction
+import androidx.fragment.app.viewModels
 import androidx.lifecycle.Observer
-import androidx.lifecycle.ViewModelProvider
 import androidx.recyclerview.widget.GridLayoutManager
 import com.denizd.qwark.R
 import com.denizd.qwark.adapter.GradeAdapter
-import com.denizd.qwark.sheet.ConfirmDeletionBottomSheet
-import com.denizd.qwark.sheet.GradeCreateBottomSheet
+import com.denizd.qwark.sheet.ConfirmDeletionSheet
+import com.denizd.qwark.sheet.GradeCreateSheet
 import com.denizd.qwark.databinding.GradeFragmentBinding
 import com.denizd.qwark.model.CourseExam
 import com.denizd.qwark.model.Grade
 import com.denizd.qwark.model.HistoricalAvg
-import com.denizd.qwark.util.QwarkUtil
 import com.denizd.qwark.util.calculateAverage
 import com.denizd.qwark.util.getUserDefinedAverage
 import com.denizd.qwark.viewmodel.GradeViewModel
@@ -34,7 +32,7 @@ class GradeFragment : QwarkFragment(), GradeAdapter.GradeClickListener {
    private lateinit var weightingString: String
    private lateinit var adapter: GradeAdapter

-    private lateinit var viewModel: GradeViewModel
+    private val viewModel: GradeViewModel by viewModels()
    private lateinit var inflater: LayoutInflater

    private var _binding: GradeFragmentBinding? = null
@@ -45,12 +43,9 @@ class GradeFragment : QwarkFragment(), GradeAdapter.GradeClickListener {
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)

-        viewModel = ViewModelProvider(this)[GradeViewModel::class.java]
-
-//        currentCourse = QwarkUtil.getCourseFromBundle(arguments)
        schoolYear = arguments?.getString("schoolYear") ?: ""
        currentCourse = viewModel.getCourse(arguments?.getInt("courseId") ?: -1)
-        average = currentCourse.average
+        average = currentCourse.average.getUserDefinedAverage(getGradeType())
        weightingString = "${currentCourse.oralWeighting} / ${100 - currentCourse.oralWeighting}"

        viewModel.getGradesByForeignKey(currentCourse.courseId).observe(this, Observer { grades ->
@@ -67,7 +62,7 @@ class GradeFragment : QwarkFragment(), GradeAdapter.GradeClickListener {
                average = filteredGrades.calculateAverage(
                    currentCourse.oralWeighting
                )
-                binding.average.text = if (filteredGrades.isEmpty()) "X" else average.getUserDefinedAverage(getGradeType())
+                binding.average.text = if (filteredGrades.isEmpty()) "??" else average.getUserDefinedAverage(getGradeType())
                viewModel.updateAverage(average, filteredGrades.size, currentCourse.courseId)
            }

@@ -94,7 +89,7 @@ class GradeFragment : QwarkFragment(), GradeAdapter.GradeClickListener {
            currentCourse.name
        )
        fab.hide()
-        with(view.rootView) {
+        with (view.rootView) {
            findViewById<BottomNavigationView>(R.id.bottom_nav).visibility = View.GONE
            findViewById<View>(R.id.view).visibility = View.GONE
        }
@@ -103,7 +98,7 @@ class GradeFragment : QwarkFragment(), GradeAdapter.GradeClickListener {
            presentGradeDialog()
        }

-        binding.average.text = currentCourse.average
+        binding.average.text = currentCourse.average.getUserDefinedAverage(getGradeType())
        binding.weighting.text = weightingString

        binding.recyclerView.adapter = adapter
@@ -135,12 +130,12 @@ class GradeFragment : QwarkFragment(), GradeAdapter.GradeClickListener {
    }

    private fun presentGradeDialog(grade: Grade? = null) {
-        openBottomSheet(GradeCreateBottomSheet().also { sheet ->
-            if (grade == null) {
-                sheet.arguments = Bundle(1).apply { putInt("courseId", currentCourse.courseId) }
+        openBottomSheet(GradeCreateSheet().also { sheet ->
+            sheet.arguments = Bundle(1).apply { if (grade == null) {
+                putInt("courseId", currentCourse.courseId)
            } else {
-                QwarkUtil.putGradeInBundle(sheet, grade)
-            }
+                putInt("gradeId", grade.gradeId)
+            }}
        })
    }

@@ -149,7 +144,7 @@ class GradeFragment : QwarkFragment(), GradeAdapter.GradeClickListener {
    }

    override fun onGradeLongClick(gradeId: Int) {
-        val deletionSheet = ConfirmDeletionBottomSheet(getString(R.string.confirm_grade_deletion)) {
+        val deletionSheet = ConfirmDeletionSheet(getString(R.string.confirm_grade_deletion)) {
            viewModel.delete(gradeId)
        }
        openBottomSheet(deletionSheet)
@@ -157,23 +152,27 @@ class GradeFragment : QwarkFragment(), GradeAdapter.GradeClickListener {

    private fun openParticipationCourseFragment() {
        appBar.setExpanded(true)
-        val f = ParticipationCourseFragment()
-        f.arguments = Bundle().apply {
-            putString("course", currentCourse.name)
-            putInt("courseId", currentCourse.courseId)
-            putBoolean("advanced", currentCourse.advanced)
+        (context as FragmentActivity).supportFragmentManager.also { fm ->
+            if (fm.getBackStackEntryAt(0).name == "ParticipationCourseFragment") {
+                fm.popBackStack()
+            } else {
+                val f = ParticipationCourseFragment()
+                f.arguments = Bundle().apply {
+                    putString("course", currentCourse.name)
+                    putInt("courseId", currentCourse.courseId)
+                    putBoolean("advanced", currentCourse.advanced)
+                }
+                fm.beginTransaction()
+                    .replace(R.id.fragment_container, f)
+                    .addToBackStack(f.name)
+                    .setTransition(FragmentTransaction.TRANSIT_FRAGMENT_OPEN)
+                    .commit()
+            }
        }
-        // for targetFragment to work, ParticipationFragment needs to be active
-        // TODO fix the dependency on targetFragment (maybe introduce a ParticipationCourseViewModel)
-//        f.setTargetFragment((context as FragmentActivity).supportFragmentManager.findFragmentByTag("ParticipationFragment"), 42)
-        (context as FragmentActivity).supportFragmentManager.beginTransaction()
-            .replace(R.id.fragment_container, f)
-            .addToBackStack(f.name)
-            .setTransition(FragmentTransaction.TRANSIT_FRAGMENT_OPEN)
-            .commit()
    }

    fun insert(grade: Grade) { viewModel.insert(grade) }
    fun update(grade: Grade) { viewModel.update(grade) }
    fun getGradeType(): Int = viewModel.getGradeType()
+    fun getGrade(gradeId: Int) = viewModel.getGrade(gradeId)
 }
@@ -11,14 +11,13 @@ import androidx.lifecycle.ViewModelProvider
 import androidx.recyclerview.widget.StaggeredGridLayoutManager
 import com.denizd.qwark.R
 import com.denizd.qwark.adapter.NoteAdapter
-import com.denizd.qwark.sheet.ConfirmDeletionBottomSheet
-import com.denizd.qwark.sheet.NoteCreateBottomSheet
-import com.denizd.qwark.sheet.NoteDisplayBottomSheet
-import com.denizd.qwark.sheet.NoteOptionsBottomSheet
+import com.denizd.qwark.sheet.ConfirmDeletionSheet
+import com.denizd.qwark.sheet.NoteCreateSheet
+import com.denizd.qwark.sheet.NoteDisplaySheet
+import com.denizd.qwark.sheet.NoteOptionsSheet
 import com.denizd.qwark.util.OnBackPressed
 import com.denizd.qwark.databinding.*
 import com.denizd.qwark.model.Note
-import com.denizd.qwark.util.QwarkUtil
 import com.denizd.qwark.viewmodel.NoteViewModel
 import com.google.android.material.appbar.AppBarLayout

@@ -82,7 +81,7 @@ class NoteFragment : QwarkFragment(), NoteAdapter.OnNoteClickListener, OnBackPre

    override fun onResume() {
        super.onResume()
-        binding.recyclerView.applyPadding(verticalPadding = 4)
+        binding.recyclerView.applyPadding(horizontalPadding = 4)
    }

    override fun onDestroy() {
@@ -113,8 +112,8 @@ class NoteFragment : QwarkFragment(), NoteAdapter.OnNoteClickListener, OnBackPre
    }

    override fun onNoteClick(note: Note) {
-        openBottomSheet(NoteDisplayBottomSheet().also { sheet ->
-            QwarkUtil.putNoteInBundle(sheet, note)
+        openBottomSheet(NoteDisplaySheet().also { sheet ->
+            sheet.arguments = Bundle().apply { putInt("noteId", note.noteId) }
        })
    }

@@ -124,7 +123,7 @@ class NoteFragment : QwarkFragment(), NoteAdapter.OnNoteClickListener, OnBackPre
    }

    fun deleteNote(noteId: Int) {
-        val deletionSheet = ConfirmDeletionBottomSheet(getString(R.string.confirm_note_deletion)) {
+        val deletionSheet = ConfirmDeletionSheet(getString(R.string.confirm_note_deletion)) {
            scrollPosition = binding.recyclerView.layoutManager?.onSaveInstanceState()
            viewModel.delete(noteId)
            binding.recyclerView.scheduleLayoutAnimation()
@@ -141,14 +140,14 @@ class NoteFragment : QwarkFragment(), NoteAdapter.OnNoteClickListener, OnBackPre
    }

    private fun createOptionsSheet(note: Note) {
-        openBottomSheet(NoteOptionsBottomSheet().also { sheet ->
-            QwarkUtil.putNoteInBundle(sheet, note)
+        openBottomSheet(NoteOptionsSheet().also { sheet ->
+            sheet.arguments = Bundle().apply { putInt("noteId", note.noteId) }
        })
    }

    fun createNoteDialog(note: Note? = null) {
-        val createSheet = NoteCreateBottomSheet().also { sheet ->
-            if (note != null) QwarkUtil.putNoteInBundle(sheet, note)
+        val createSheet = NoteCreateSheet().also { sheet ->
+            if (note != null) sheet.arguments = Bundle().apply { putInt("noteId", note.noteId) }
        }
        openBottomSheet(createSheet)
    }
@@ -165,4 +164,5 @@ class NoteFragment : QwarkFragment(), NoteAdapter.OnNoteClickListener, OnBackPre
    fun insert(note: Note) { viewModel.insert(note) }
    fun update(note: Note) { viewModel.update(note) }
    fun getAllCategories(): List<String> = viewModel.getAllCategories()
+    fun getNote(noteId: Int) = viewModel.getNote(noteId)
 }
@@ -14,9 +14,10 @@ import com.denizd.qwark.adapter.ParticipationAdapter
 import com.denizd.qwark.databinding.GradeFragmentBinding
 import com.denizd.qwark.model.Participation
 import com.denizd.qwark.sheet.ClassSessionSheet
-import com.denizd.qwark.sheet.ConfirmDeletionBottomSheet
+import com.denizd.qwark.sheet.ConfirmDeletionSheet
 import com.denizd.qwark.viewmodel.ParticipationCourseViewModel
 import com.google.android.material.bottomnavigation.BottomNavigationView
+import com.google.android.material.snackbar.Snackbar

 class ParticipationCourseFragment : QwarkFragment(), ParticipationAdapter.ParticipationClickListener {

@@ -109,11 +110,24 @@ class ParticipationCourseFragment : QwarkFragment(), ParticipationAdapter.Partic
    }

    override fun onParticipationClick(participation: Participation) {
-        // do nothing
+        if (participation.time > System.currentTimeMillis() - 1000 * 60 * 90) {
+            openBottomSheet(ClassSessionSheet().also { sheet ->
+                sheet.arguments = Bundle(2).apply {
+                    putInt("timesHandRaised", participation.timesHandRaised)
+                    putInt("timesSpoken", participation.timesSpoken)
+                    putInt("participationId", participation.participationId)
+                }
+                sheet.isCancelable = false
+            })
+        } else {
+            Snackbar
+                .make(snackBarContainer, getString(R.string.participation_too_old), Snackbar.LENGTH_LONG)
+                .show()
+        }
    }

    override fun onParticipationLongClick(participation: Participation) {
-        openBottomSheet(ConfirmDeletionBottomSheet(
+        openBottomSheet(ConfirmDeletionSheet(
            getString(R.string.delete_participation_confirmation)
        ) {
            viewModel.delete(participation)
@@ -122,19 +136,30 @@ class ParticipationCourseFragment : QwarkFragment(), ParticipationAdapter.Partic

    private fun openGradeFragment() {
        appBar.setExpanded(true)
-        val f = GradeFragment()
-        f.arguments = Bundle().apply {
-            putString("schoolYear", viewModel.getSchoolYearName())
-            putInt("courseId", courseId)
+        (context as FragmentActivity).supportFragmentManager.also { fm ->
+            if (fm.getBackStackEntryAt(0).name == "GradeFragment") {
+                fm.popBackStack()
+            } else {
+                val f = GradeFragment()
+                f.arguments = Bundle().apply {
+                    putString("schoolYear", viewModel.getSchoolYearName())
+                    putInt("courseId", courseId)
+                }
+                fm.beginTransaction()
+                    .replace(R.id.fragment_container, f)
+                    .addToBackStack("GradeFragment")
+                    .setTransition(FragmentTransaction.TRANSIT_FRAGMENT_OPEN)
+                    .commit()
+            }
        }
-        (context as FragmentActivity).supportFragmentManager.beginTransaction()
-            .replace(R.id.fragment_container, f)
-            .addToBackStack("GradeFragment")
-            .setTransition(FragmentTransaction.TRANSIT_FRAGMENT_OPEN)
-            .commit()
    }

    fun createParticipation(timesHandRaised: Int, timesSpoken: Int, time: Long) {
        viewModel.createParticipation(timesHandRaised, timesSpoken, time, courseId)
    }
+
+    // TODO this function has the same name as another one with a different function signature
+    fun updateParticipation(timesHandRaised: Int, timesSpoken: Int, participationId: Int) {
+        viewModel.updateParticipation(timesHandRaised, timesSpoken, participationId)
+    }
 }
@@ -7,7 +7,6 @@ import android.view.View
 import android.view.ViewGroup
 import androidx.fragment.app.FragmentActivity
 import androidx.fragment.app.FragmentTransaction
-import androidx.lifecycle.LiveData
 import androidx.lifecycle.Observer
 import androidx.lifecycle.ViewModelProvider
 import androidx.recyclerview.widget.StaggeredGridLayoutManager
@@ -16,8 +15,8 @@ import com.denizd.qwark.adapter.CourseAdapter
 import com.denizd.qwark.databinding.PaddedRecyclerViewBinding
 import com.denizd.qwark.model.CourseExam
 import com.denizd.qwark.model.Participation
-import com.denizd.qwark.sheet.ConfirmDeletionBottomSheet
-import com.denizd.qwark.sheet.ParticipationLinkBottomSheet
+import com.denizd.qwark.sheet.ConfirmDeletionSheet
+import com.denizd.qwark.sheet.ParticipationLinkSheet
 import com.denizd.qwark.viewmodel.ParticipationViewModel

 internal class ParticipationFragment : QwarkFragment(), CourseAdapter.CourseClickListener {
@@ -88,7 +87,7 @@ internal class ParticipationFragment : QwarkFragment(), CourseAdapter.CourseClic

    override fun onResume() {
        super.onResume()
-        binding.recyclerView.applyPadding(verticalPadding = 4)
+        binding.recyclerView.applyPadding(horizontalPadding = 4)
    }

    override fun onDestroy() {
@@ -118,11 +117,11 @@ internal class ParticipationFragment : QwarkFragment(), CourseAdapter.CourseClic
    }

    private fun openLinkSheet() {
-        openBottomSheet(ParticipationLinkBottomSheet())
+        openBottomSheet(ParticipationLinkSheet())
    }

    private fun openRemoveLinkSheet(courseName: String, relationId: Int) {
-        openBottomSheet(ConfirmDeletionBottomSheet(
+        openBottomSheet(ConfirmDeletionSheet(
            getString(R.string.confirm_remove_participation_link, courseName, getDay())
        ) {
            viewModel.removeLink(relationId)
@@ -50,8 +50,8 @@ open class QwarkFragment : Fragment() {
         * Initialise view resources
         */
        statusBarView = view.rootView.findViewById(R.id.status_bar_view)
-        appBarTitleView = view.rootView.findViewById(R.id.toolbarTxt)
-        superTitleView = view.rootView.findViewById(R.id.text_above)
+        appBarTitleView = view.rootView.findViewById(R.id.app_bar_title)
+        superTitleView = view.rootView.findViewById(R.id.super_title)
        appBar = view.rootView.findViewById(R.id.app_bar_layout)
        snackBarContainer = view.rootView.findViewById(R.id.root_view)
        fab = view.rootView.findViewById(R.id.fab)
@@ -93,11 +93,12 @@ open class QwarkFragment : Fragment() {
     * to its lifecycle owner and therefore cannot calculate the top padding properly. Invoke in
     * onResume instead.
     */
-    protected fun <T : View> T.applyPadding(verticalPadding: Int = 0) {
+    protected fun <T : View> T.applyPadding(horizontalPadding: Int = 0) {
+        val horizontal = horizontalPadding.dpToPx()
        setPadding(
-            verticalPadding.dpToPx(),
+            horizontal,
            (statusBarView.height / 1) + appBar.height,
-            verticalPadding.dpToPx(),
+            horizontal,
            0
        )
    }
@@ -5,15 +5,14 @@ import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import android.widget.ArrayAdapter
+import androidx.fragment.app.viewModels
 import androidx.lifecycle.Observer
-import androidx.lifecycle.ViewModelProvider
 import com.denizd.qwark.R
-import com.denizd.qwark.sheet.ConfirmDeletionBottomSheet
-import com.denizd.qwark.sheet.CopyCoursesBottomSheet
-import com.denizd.qwark.sheet.ScoreProfileCreateBottomSheet
-import com.denizd.qwark.sheet.YearCreateBottomSheet
+import com.denizd.qwark.sheet.ConfirmDeletionSheet
+import com.denizd.qwark.sheet.CopyCoursesSheet
+import com.denizd.qwark.sheet.ScoreProfileCreateSheet
+import com.denizd.qwark.sheet.YearCreateSheet
 import com.denizd.qwark.databinding.SettingsFragmentBinding
-import com.denizd.qwark.model.ScoreProfile
 import com.denizd.qwark.model.SchoolYear
 import com.denizd.qwark.viewmodel.SettingsViewModel
 import com.google.android.material.snackbar.Snackbar
@@ -22,12 +21,7 @@ class SettingsFragment : QwarkFragment() {

    private var _binding: SettingsFragmentBinding? = null
    private val binding: SettingsFragmentBinding get() = _binding!!
-    private lateinit var viewModel: SettingsViewModel
-
-    override fun onCreate(savedInstanceState: Bundle?) {
-        super.onCreate(savedInstanceState)
-        viewModel = ViewModelProvider(this)[SettingsViewModel::class.java]
-    }
+    private val viewModel: SettingsViewModel by viewModels()

    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
        _binding = SettingsFragmentBinding.inflate(inflater, container, false)
@@ -120,7 +114,7 @@ class SettingsFragment : QwarkFragment() {
            if (binding.schoolYearDropdown.text.isNullOrBlank()) {
                presentErrorSnackBar(getString(R.string.no_school_year_selected))
            } else {
-                val deleteYearSheet = ConfirmDeletionBottomSheet(getString(R.string.delete_school_year_desc, binding.schoolYearDropdown.text.toString())) {
+                val deleteYearSheet = ConfirmDeletionSheet(getString(R.string.delete_school_year_desc, binding.schoolYearDropdown.text.toString())) {
                    viewModel.deleteSchoolYear()
                    binding.schoolYearDropdown.setText("")
                }
@@ -128,7 +122,7 @@ class SettingsFragment : QwarkFragment() {
            }
        }
        binding.copyCoursesButton.setOnClickListener {
-            openBottomSheet(CopyCoursesBottomSheet())
+            openBottomSheet(CopyCoursesSheet())
        }
 //        binding.copyCoursesButton.setOnLongClickListener {
 //            // TODO this is currently an experiment
@@ -206,7 +200,7 @@ class SettingsFragment : QwarkFragment() {
            if (binding.scoreProfileDropdown.text.isNullOrBlank()) {
                presentErrorSnackBar(getString(R.string.no_score_profile_selected))
            } else {
-                val deleteScoreProfileSheet = ConfirmDeletionBottomSheet(
+                val deleteScoreProfileSheet = ConfirmDeletionSheet(
                    getString(R.string.delete_score_profile_desc,
                        binding.scoreProfileDropdown.text.toString())
                ) {
@@ -243,7 +237,7 @@ class SettingsFragment : QwarkFragment() {
        if (edit && currentYear == "") {
            presentErrorSnackBar(getString(R.string.no_school_year_selected))
        } else {
-            val yearCreateSheet = YearCreateBottomSheet().also { sheet ->
+            val yearCreateSheet = YearCreateSheet().also { sheet ->
                sheet.arguments = Bundle(1).apply {
                    putString("currentYear", if (edit) currentYear else "")
                }
@@ -264,7 +258,7 @@ class SettingsFragment : QwarkFragment() {
        if (edit && currentScoreProfile == "") {
            presentErrorSnackBar(getString(R.string.no_score_profile_selected))
        } else {
-            openBottomSheet(ScoreProfileCreateBottomSheet().also { sheet ->
+            openBottomSheet(ScoreProfileCreateSheet().also { sheet ->
                sheet.arguments = Bundle(1).apply {
                    putString("currentScoreProfile", if (edit) currentScoreProfile else "")
                }
@@ -7,6 +7,7 @@ import android.os.Bundle
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
+import android.view.WindowManager
 import android.widget.Toast
 import com.denizd.qwark.R
 import com.denizd.qwark.databinding.ClassSessionSheetBinding
@@ -32,6 +33,7 @@ class ClassSessionSheet : BottomSheetDialogFragment() {
            field = value
            binding.spokenButton.text = "$value"
        }
+    private var participationId = -1
    private val time: Long = System.currentTimeMillis()

    override fun onAttach(context: Context) {
@@ -46,12 +48,20 @@ class ClassSessionSheet : BottomSheetDialogFragment() {

    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
        super.onViewCreated(view, savedInstanceState)
+
        participationFragment = targetFragment as ParticipationCourseFragment

+        arguments?.let { args ->
+            timesHandRaised = args.getInt ("timesHandRaised")
+            timesSpoken = args.getInt("timesSpoken")
+            participationId = args.getInt("participationId")
+            binding.title.text = getString(R.string.class_session_resumed)
+        }
+
        binding.handRaisedButton.apply {
-            setCompoundDrawables(context.getDrawable(R.drawable.hand).also { drawable ->
-                drawable?.bounds = Rect(0, 0, 256, 256)
-                drawable?.setTint(mContext.getColor(R.color.colorAccent))
+            setCompoundDrawables(context.getDrawable(R.drawable.hand)?.also { drawable ->
+                drawable.bounds = Rect(0, 0, 256, 256)
+                drawable.setTint(mContext.getColor(R.color.colorAccent))
            }, null, null, null)
            text = "$timesHandRaised"
            setOnClickListener {
@@ -66,9 +76,9 @@ class ClassSessionSheet : BottomSheetDialogFragment() {
            }
        }
        binding.spokenButton.apply {
-            setCompoundDrawables(context.getDrawable(R.drawable.speech).also { drawable ->
-                drawable?.bounds = Rect(0, 0, 256, 256)
-                drawable?.setTint(mContext.getColor(R.color.colorAccent))
+            setCompoundDrawables(context.getDrawable(R.drawable.speech)?.also { drawable ->
+                drawable.bounds = Rect(0, 0, 256, 256)
+                drawable.setTint(mContext.getColor(R.color.colorAccent))
            }, null, null, null)
            text = "$timesSpoken"
            setOnClickListener {
@@ -104,6 +114,16 @@ class ClassSessionSheet : BottomSheetDialogFragment() {
        }
    }

+    override fun onResume() {
+        super.onResume()
+        activity?.window?.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON)
+    }
+
+    override fun onPause() {
+        super.onPause()
+        activity?.window?.clearFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON)
+    }
+
    override fun onDestroy() {
        super.onDestroy()
        _binding = null
@@ -116,8 +136,10 @@ class ClassSessionSheet : BottomSheetDialogFragment() {
    }

    private fun finish() {
-        participationFragment.createParticipation(
-            timesHandRaised, timesSpoken, time
-        )
+        if (participationId == -1) {
+            participationFragment.createParticipation(timesHandRaised, timesSpoken, time)
+        } else {
+            participationFragment.updateParticipation(timesHandRaised, timesSpoken, participationId)
+        }
    }
 }
@@ -10,7 +10,7 @@ import com.denizd.qwark.databinding.ConfirmationDialogBinding
 import com.denizd.qwark.viewmodel.ConfirmDeletionViewModel
 import com.google.android.material.bottomsheet.BottomSheetDialogFragment

-class ConfirmDeletionBottomSheet() : BottomSheetDialogFragment() {
+class ConfirmDeletionSheet() : BottomSheetDialogFragment() {

    constructor(text: String, confirmedAction: () -> Unit) : this() {
        this.text = text
@@ -12,7 +12,7 @@ import com.denizd.qwark.fragment.SettingsFragment
 import com.denizd.qwark.model.SchoolYear
 import com.google.android.material.bottomsheet.BottomSheetDialogFragment

-internal class CopyCoursesBottomSheet : BottomSheetDialogFragment(), YearAdapter.YearClickListener {
+class CopyCoursesSheet : BottomSheetDialogFragment(), YearAdapter.YearClickListener {

    private var _binding: RecyclerDialogBinding? = null
    private val binding: RecyclerDialogBinding get() = _binding!!
@@ -41,7 +41,7 @@ internal class CopyCoursesBottomSheet : BottomSheetDialogFragment(), YearAdapter
            layoutManager = LinearLayoutManager(context)
            adapter = YearAdapter((settingsTargetFragment.getSchoolYears() ?: ArrayList()).filter { y ->
                y.yearId != settingsTargetFragment.getCurrentSchoolYearId()
-            }, this@CopyCoursesBottomSheet)
+            }, this@CopyCoursesSheet)
            scheduleLayoutAnimation()
        }
    }
@@ -7,6 +7,7 @@ import android.text.TextWatcher
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
+import androidx.fragment.app.FragmentActivity
 import com.denizd.qwark.R
 import com.denizd.qwark.util.QwarkUtil
 import com.denizd.qwark.databinding.CourseCreateDialogBinding
@@ -15,7 +16,7 @@ import com.denizd.qwark.model.Course
 import com.denizd.qwark.model.CourseExam
 import com.google.android.material.bottomsheet.BottomSheetDialogFragment

-internal class CourseCreateBottomSheet : BottomSheetDialogFragment() {
+class CourseCreateSheet : BottomSheetDialogFragment() {
    
    private var _binding: CourseCreateDialogBinding? = null
    private val binding: CourseCreateDialogBinding get() = _binding!!
@@ -25,7 +26,7 @@ internal class CourseCreateBottomSheet : BottomSheetDialogFragment() {

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
-        if (arguments?.size() ?: 0 != 0) course = QwarkUtil.getCourseFromBundle(arguments)
+        if (arguments?.size() ?: 0 != 0) course = (targetFragment as CourseFragment).getCourse(arguments?.getInt("courseId") ?: -1) // QwarkUtil.getCourseFromBundle(arguments)
    }

    override fun onAttach(context: Context) {
@@ -121,17 +122,17 @@ internal class CourseCreateBottomSheet : BottomSheetDialogFragment() {
        _binding = null
    }

-    private fun openIconBottomSheet() = fragmentManager?.let { fm ->
-        val sheet = IconPickerBottomSheet().apply {
+    private fun openIconBottomSheet() {
+        val sheet = IconPickerSheet().apply {
            arguments = Bundle(1).apply {
                putString("currentIcon", icon)
            }
        }
        sheet.setTargetFragment(this, 42)
-        sheet.show(fm, sheet.tag)
+        sheet.show((context as FragmentActivity).supportFragmentManager, sheet.tag)
    }

-    internal fun setIcon(icon: String) {
+    fun setIcon(icon: String) {
        binding.imageView.setImageResource(QwarkUtil.getDrawableIntForString(icon))
        this.icon = icon
    }
@@ -8,21 +8,20 @@ import android.view.ViewGroup
 import com.denizd.qwark.R
 import com.denizd.qwark.databinding.CourseOptionsDialogBinding
 import com.denizd.qwark.fragment.CourseFragment
-import com.denizd.qwark.model.Course
 import com.denizd.qwark.model.CourseExam
-import com.denizd.qwark.util.QwarkUtil
+import com.denizd.qwark.util.asCourse
 import com.google.android.material.bottomsheet.BottomSheetDialogFragment

-internal class CourseOptionsBottomSheet : BottomSheetDialogFragment() {
+class CourseOptionsSheet : BottomSheetDialogFragment() {

    private var _binding: CourseOptionsDialogBinding? = null
    private val binding: CourseOptionsDialogBinding get() = _binding!!
    private lateinit var mContext: Context
-    private lateinit var course: CourseExam
+    private lateinit var courseExam: CourseExam

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
-        course = QwarkUtil.getCourseFromBundle(arguments)
+        courseExam = (targetFragment as CourseFragment).getCourse(arguments?.getInt("courseId") ?: -1)
    }

    override fun onAttach(context: Context) {
@@ -40,18 +39,18 @@ internal class CourseOptionsBottomSheet : BottomSheetDialogFragment() {

        val targetFragment = targetFragment as CourseFragment

-        binding.title.text = getString(R.string.options_for_course, course.name)
+        binding.title.text = getString(R.string.options_for_course, courseExam.name)

        binding.viewHistoryButton.setOnClickListener {
-            targetFragment.createHistoryDialog(course.courseId, course.name)
+            targetFragment.createHistoryDialog(courseExam.courseId, courseExam.name)
            dismiss()
        }
        binding.editCourseButton.setOnClickListener {
-            targetFragment.createCourseDialog(course)
+            targetFragment.createCourseDialog(courseExam)
            dismiss()
        }
        binding.deleteCourseButton.setOnClickListener {
-            targetFragment.deleteCourse(QwarkUtil.getCourseExamAsCourse(course))
+            targetFragment.deleteCourse(courseExam.asCourse())
            dismiss()
        }
    }
@@ -5,24 +5,24 @@ import android.os.Bundle
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
-import android.widget.ArrayAdapter
 import com.denizd.qwark.R
-import com.denizd.qwark.util.QwarkUtil
 import com.denizd.qwark.databinding.FinalGradeEditDialogBinding
 import com.denizd.qwark.fragment.FinalsFragment
 import com.denizd.qwark.model.FinalGrade
 import com.google.android.material.bottomsheet.BottomSheetDialogFragment

-internal class FinalsCreateBottomSheet : BottomSheetDialogFragment() {
+class FinalsCreateSheet : BottomSheetDialogFragment() {

    private var _binding: FinalGradeEditDialogBinding? = null
    private val binding: FinalGradeEditDialogBinding get() = _binding!!
    private lateinit var mContext: Context
    private lateinit var finalGrade: FinalGrade
+    private lateinit var finalsFragment: FinalsFragment

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
-        finalGrade = QwarkUtil.getFinalGradeFromBundle(arguments)
+        finalsFragment = targetFragment as FinalsFragment
+        finalGrade = finalsFragment.getFinalGrade(arguments?.getInt("finalGradeId") ?: -1)
    }

    override fun onAttach(context: Context) {
@@ -38,20 +38,7 @@ internal class FinalsCreateBottomSheet : BottomSheetDialogFragment() {
    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
        super.onViewCreated(view, savedInstanceState)

-        val targetFragment = targetFragment as FinalsFragment
-
        binding.courseEdittext.setText(finalGrade.name)
-
-//        val gradeArray = ArrayAdapter.createFromResource(mContext, R.array.grades_points, R.layout.dropdown_item)
-//        binding.gradePicker.setAdapter(gradeArray)
-//        binding.gradePicker.setText(
-//            if (finalGrade.grade == "-1") {
-//                binding.gradePicker.adapter.getItem(0).toString()
-//            } else {
-//                QwarkUtil.getGradeWithLeadingZero(finalGrade.grade.toInt())
-//            },
-//            false
-//        )
        binding.gradePicker.value = if (finalGrade.grade == "-1") 0 else finalGrade.grade.toInt()

        binding.cancelButton.setOnClickListener {
@@ -71,7 +58,7 @@ internal class FinalsCreateBottomSheet : BottomSheetDialogFragment() {
                        finalGradeId = finalGrade.finalGradeId,
                        scoreProfileId = finalGrade.scoreProfileId
                    )
-                    targetFragment.update(newFinalGrade)
+                    finalsFragment.update(newFinalGrade)
                    dismiss()
                }
            }
@@ -8,28 +8,28 @@ import androidx.recyclerview.widget.LinearLayoutManager
 import com.denizd.qwark.R
 import com.denizd.qwark.adapter.CourseAdapter
 import com.denizd.qwark.adapter.YearAdapter
-import com.denizd.qwark.util.QwarkUtil
 import com.denizd.qwark.databinding.RecyclerDialogBinding
 import com.denizd.qwark.fragment.FinalsFragment
-import com.denizd.qwark.model.Course
 import com.denizd.qwark.model.CourseExam
 import com.denizd.qwark.model.FinalGrade
 import com.denizd.qwark.model.SchoolYear
+import com.denizd.qwark.util.getSorted
 import com.google.android.material.bottomsheet.BottomSheetDialogFragment
 import java.math.BigDecimal
 import java.math.RoundingMode

-internal class FinalsLinkBottomSheet : BottomSheetDialogFragment(), YearAdapter.YearClickListener, CourseAdapter.CourseClickListener {
+class FinalsLinkSheet : BottomSheetDialogFragment(), YearAdapter.YearClickListener, CourseAdapter.CourseClickListener {

    private lateinit var finalGrade: FinalGrade
    private lateinit var binding: RecyclerDialogBinding
    private var advanced = false
    private var isSelectingCourse = false
-    private lateinit var finalsTargetFragment: FinalsFragment
+    private lateinit var finalsFragment: FinalsFragment

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
-        finalGrade = QwarkUtil.getFinalGradeFromBundle(arguments)
+        finalsFragment = targetFragment as FinalsFragment
+        finalGrade = finalsFragment.getFinalGrade(arguments?.getInt("finalGradeId") ?: -1)
        advanced = finalGrade.type == "adv"
    }

@@ -41,7 +41,7 @@ internal class FinalsLinkBottomSheet : BottomSheetDialogFragment(), YearAdapter.
    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
        super.onViewCreated(view, savedInstanceState)

-        finalsTargetFragment = targetFragment as FinalsFragment
+        finalsFragment = targetFragment as FinalsFragment
        fillWithYears()
    }

@@ -59,7 +59,7 @@ internal class FinalsLinkBottomSheet : BottomSheetDialogFragment(), YearAdapter.
            finalGradeId = finalGrade.finalGradeId,
            scoreProfileId = finalGrade.scoreProfileId
        )
-        finalsTargetFragment.update(newFinalGrade)
+        finalsFragment.update(newFinalGrade)
        dismiss()
    }

@@ -69,7 +69,7 @@ internal class FinalsLinkBottomSheet : BottomSheetDialogFragment(), YearAdapter.
        binding.title.text = getString(R.string.pick_a_year)
        binding.recyclerView.apply {
            layoutManager = LinearLayoutManager(context)
-            adapter = YearAdapter(finalsTargetFragment.getAllYears(), this@FinalsLinkBottomSheet)
+            adapter = YearAdapter(finalsFragment.getAllYears(), this@FinalsLinkSheet)
            scheduleLayoutAnimation()
        }
        isSelectingCourse = false
@@ -77,14 +77,14 @@ internal class FinalsLinkBottomSheet : BottomSheetDialogFragment(), YearAdapter.

    private fun fillWithCourses(schoolYear: SchoolYear) {
        binding.title.text = getString(R.string.pick_a_course)
-        binding.recyclerView.adapter =
-            CourseAdapter(
-                QwarkUtil.getCoursesSorted(
-                    finalsTargetFragment.getAllCourses().filter { c -> c.yearId == schoolYear.yearId && c.advanced == advanced },
-                    finalsTargetFragment.getCourseSortType()
-                ),
-                this,
-                finalsTargetFragment.getGradeType()
+        binding.recyclerView.adapter = CourseAdapter(
+            finalsFragment.getAllCourses().filter { c ->
+                c.yearId == schoolYear.yearId && c.advanced == advanced
+            }.getSorted(
+                finalsFragment.getCourseSortType()
+            ),
+            this,
+            finalsFragment.getGradeType()
        )
        binding.recyclerView.scheduleLayoutAnimation()
        isSelectingCourse = true
@@ -12,16 +12,18 @@ import com.denizd.qwark.model.FinalGrade
 import com.denizd.qwark.util.QwarkUtil
 import com.google.android.material.bottomsheet.BottomSheetDialogFragment

-internal class FinalsOptionsBottomSheet : BottomSheetDialogFragment() {
+class FinalsOptionsSheet : BottomSheetDialogFragment() {

    private var _binding: FinalGradeOptionsDialogBinding? = null
    private val binding: FinalGradeOptionsDialogBinding get() = _binding!!
    private lateinit var mContext: Context
    private lateinit var finalGrade: FinalGrade
+    private lateinit var finalsFragment: FinalsFragment

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
-        finalGrade = QwarkUtil.getFinalGradeFromBundle(arguments)
+        finalsFragment = targetFragment as FinalsFragment
+        finalGrade = finalsFragment.getFinalGrade(arguments?.getInt("finalGradeId") ?: -1)
    }

    override fun onAttach(context: Context) {
@@ -36,30 +38,28 @@ internal class FinalsOptionsBottomSheet : BottomSheetDialogFragment() {

    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
        super.onViewCreated(view, savedInstanceState)
-        
-        val targetFragment = targetFragment as FinalsFragment

        binding.title.text = getString(R.string.options_for_final_grade, if (finalGrade.name.isEmpty()) getString(R.string.final_grade) else finalGrade.name)

        if (finalGrade.type == "exam") binding.linkGradeButton.visibility = View.GONE
        if (finalGrade.courseId == -1) binding.viewLinkedCourseButton.visibility = View.GONE
        binding.editGradeButton.setOnClickListener {
-            targetFragment.createEditGradeSheet(finalGrade)
+            finalsFragment.createEditGradeSheet(finalGrade)
            dismiss()
        }
        binding.linkGradeButton.setOnClickListener {
-            targetFragment.createLinkGradeSheet(finalGrade)
+            finalsFragment.createLinkGradeSheet(finalGrade)
            dismiss()
        }
        binding.viewLinkedCourseButton.setOnClickListener {
-            targetFragment.viewLinkedCourse(finalGrade.courseId)
+            finalsFragment.viewLinkedCourse(finalGrade.courseId)
            dismiss()
        }
        binding.clearGradeButton.setOnClickListener {
            if (finalGrade.grade == "-1") {
-                targetFragment.clearFinalGradeError()
+                finalsFragment.clearFinalGradeError()
            } else {
-                targetFragment.clearFinalGrade(finalGrade)
+                finalsFragment.clearFinalGrade(finalGrade)
            }
            dismiss()
        }
@@ -5,10 +5,10 @@ import android.content.Context
 import android.os.Bundle
 import android.text.Editable
 import android.text.TextWatcher
+import android.util.Log
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
-import android.widget.LinearLayout
 import com.denizd.qwark.R
 import com.denizd.qwark.util.QwarkUtil
 import com.denizd.qwark.databinding.GradeCreateDialogBinding
@@ -18,18 +18,24 @@ import com.google.android.material.bottomsheet.BottomSheetDialogFragment
 import java.text.ParseException
 import java.util.*

-class GradeCreateBottomSheet : BottomSheetDialogFragment() {
+class GradeCreateSheet : BottomSheetDialogFragment() {

    private var _binding: GradeCreateDialogBinding? = null
    private val binding: GradeCreateDialogBinding get() = _binding!!
    private lateinit var mContext: Context
    private lateinit var grade: Grade
    private var courseId: Int = 0
+    private lateinit var gradeFragment: GradeFragment

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
-        if (arguments?.size() ?: 0 > 1) grade = QwarkUtil.getGradeFromBundle(arguments)
-        courseId = arguments?.getInt("courseId") ?: 0
+        gradeFragment = targetFragment as GradeFragment
+        val gradeId = arguments?.getInt("gradeId") ?: -1
+        if (gradeId == 0) { // 0 signifies no value has been set
+            courseId = arguments?.getInt("courseId") ?: -1
+        } else {
+            grade = gradeFragment.getGrade(gradeId)
+        }
    }

    override fun onAttach(context: Context) {
@@ -47,11 +53,9 @@ class GradeCreateBottomSheet : BottomSheetDialogFragment() {

        LayoutTransition().apply {
            setAnimateParentHierarchy(false)
-            (binding.root as LinearLayout).layoutTransition = this
+            binding.root.layoutTransition = this
        }

-        val targetFragment = targetFragment as GradeFragment
-
 //        initGradeDropdown()

        binding.verbalSwitch.setOnCheckedChangeListener { switch, isChecked ->
@@ -79,7 +83,7 @@ class GradeCreateBottomSheet : BottomSheetDialogFragment() {
            }
        }

-        binding.gradePicker.displayedValues = QwarkUtil.getGradeArray(targetFragment.getGradeType())
+        binding.gradePicker.displayedValues = QwarkUtil.getGradeArray(gradeFragment.getGradeType())

        binding.examSwitch.setOnCheckedChangeListener { _, isChecked ->
            setGradePickerVisibility(isChecked)
@@ -119,9 +123,9 @@ class GradeCreateBottomSheet : BottomSheetDialogFragment() {
                            examTime = if (binding.examSwitch.isChecked) examDate else -1L
                        )
                        if (::grade.isInitialized) {
-                            targetFragment.update(newGrade)
+                            gradeFragment.update(newGrade)
                        } else {
-                            targetFragment.insert(newGrade)
+                            gradeFragment.insert(newGrade)
                        }
                        dismiss()
                    } catch (e: ParseException) {
@@ -12,7 +12,7 @@ import com.denizd.qwark.databinding.RecyclerDialogBinding
 import com.denizd.qwark.fragment.CourseFragment
 import com.google.android.material.bottomsheet.BottomSheetDialogFragment

-internal class HistoricalAverageBottomSheet : BottomSheetDialogFragment() {
+class HistoricalAverageSheet : BottomSheetDialogFragment() {

    private var _binding: RecyclerDialogBinding? = null
    private val binding: RecyclerDialogBinding get() = _binding!!
@@ -12,7 +12,7 @@ import com.denizd.qwark.databinding.IconDialogBinding
 import com.denizd.qwark.model.CourseIcon
 import com.google.android.material.bottomsheet.BottomSheetDialogFragment

-class IconPickerBottomSheet : BottomSheetDialogFragment(),
+class IconPickerSheet : BottomSheetDialogFragment(),
    IconAdapter.IconClickListener {

    private var _binding: IconDialogBinding? = null
@@ -39,7 +39,7 @@ class IconPickerBottomSheet : BottomSheetDialogFragment(),
    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
        super.onViewCreated(view, savedInstanceState)

-        val targetFragment = targetFragment as CourseCreateBottomSheet
+        val targetFragment = targetFragment as CourseCreateSheet
        val icons = QwarkUtil.drawablesList
        iconAdapter = IconAdapter(icons, this)

@@ -13,7 +13,7 @@ import com.denizd.qwark.model.Note
 import com.denizd.qwark.util.QwarkUtil
 import com.google.android.material.bottomsheet.BottomSheetDialogFragment

-internal class NoteCreateBottomSheet : BottomSheetDialogFragment() {
+class NoteCreateSheet : BottomSheetDialogFragment() {

    private var _binding: NoteCreateDialogBinding? = null
    private val binding: NoteCreateDialogBinding get() = _binding!!
@@ -22,7 +22,7 @@ internal class NoteCreateBottomSheet : BottomSheetDialogFragment() {

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
-        if (arguments?.size() ?: 0 != 0) note = QwarkUtil.getNoteFromBundle(arguments)
+        if (arguments?.size() ?: 0 != 0) note = (targetFragment as NoteFragment).getNote(arguments?.getInt("noteId") ?: -1)
    }

    override fun onAttach(context: Context) {
@@ -8,10 +8,11 @@ import android.view.ViewGroup
 import com.denizd.qwark.R
 import com.denizd.qwark.util.QwarkUtil
 import com.denizd.qwark.databinding.NoteBottomSheetBinding
+import com.denizd.qwark.fragment.NoteFragment
 import com.denizd.qwark.model.Note
 import com.google.android.material.bottomsheet.BottomSheetDialogFragment

-internal class NoteDisplayBottomSheet : BottomSheetDialogFragment() {
+class NoteDisplaySheet : BottomSheetDialogFragment() {

    private var _binding: NoteBottomSheetBinding? = null
    private val binding: NoteBottomSheetBinding get() = _binding!!
@@ -20,7 +21,7 @@ internal class NoteDisplayBottomSheet : BottomSheetDialogFragment() {

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
-        note = QwarkUtil.getNoteFromBundle(arguments)
+        note = (targetFragment as NoteFragment).getNote(arguments?.getInt("noteId") ?: -1)
    }

    override fun onAttach(context: Context) {
@@ -33,18 +34,6 @@ internal class NoteDisplayBottomSheet : BottomSheetDialogFragment() {
        return binding.root
    }

-//    override fun onCreateDialog(savedInstanceState: Bundle?): Dialog {
-//        return super.onCreateDialog(savedInstanceState).also { dialog ->
-//            dialog.setOnShowListener {
-//                BottomSheetBehavior.from(dialog.findViewById<FrameLayout>(
-//                    com.google.android.material.R.id.design_bottom_sheet
-//                )).apply {
-//                    state = BottomSheetBehavior.STATE_EXPANDED
-//                }
-//            }
-//        }
-//    }
-
    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
        super.onViewCreated(view, savedInstanceState)

@@ -12,7 +12,7 @@ import com.denizd.qwark.model.Note
 import com.denizd.qwark.util.QwarkUtil
 import com.google.android.material.bottomsheet.BottomSheetDialogFragment

-internal class NoteOptionsBottomSheet : BottomSheetDialogFragment() {
+class NoteOptionsSheet : BottomSheetDialogFragment() {

    private var _binding: NoteOptionsDialogBinding? = null
    private val binding: NoteOptionsDialogBinding get() = _binding!!
@@ -21,7 +21,7 @@ internal class NoteOptionsBottomSheet : BottomSheetDialogFragment() {

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
-        note = QwarkUtil.getNoteFromBundle(arguments)
+        note = (targetFragment as NoteFragment).getNote(arguments?.getInt("noteId") ?: -1)
    }

    override fun onAttach(context: Context) {
@@ -12,7 +12,7 @@ import com.denizd.qwark.fragment.ParticipationFragment
 import com.denizd.qwark.model.*
 import com.google.android.material.bottomsheet.BottomSheetDialogFragment

-internal class ParticipationLinkBottomSheet : BottomSheetDialogFragment(), CourseAdapter.CourseClickListener {
+class ParticipationLinkSheet : BottomSheetDialogFragment(), CourseAdapter.CourseClickListener {

    private lateinit var finalGrade: FinalGrade
    private lateinit var binding: RecyclerDialogBinding
@@ -58,7 +58,7 @@ internal class ParticipationLinkBottomSheet : BottomSheetDialogFragment(), Cours
                            0
                        )
                    },
-                    this@ParticipationLinkBottomSheet,
+                    this@ParticipationLinkSheet,
                    null
                )
            layoutManager = LinearLayoutManager(context)
@@ -5,7 +5,7 @@ import android.view.View
 import com.denizd.qwark.R
 import com.denizd.qwark.fragment.SettingsFragment

-internal class ScoreProfileCreateBottomSheet : TextInputBottomSheet() {
+class ScoreProfileCreateSheet : TextInputSheet() {

    private lateinit var settingsFragment: SettingsFragment
    private var currentScoreProfile: String = ""
@@ -8,7 +8,7 @@ import android.view.ViewGroup
 import com.denizd.qwark.databinding.TextInputSheetBinding
 import com.google.android.material.bottomsheet.BottomSheetDialogFragment

-internal open class TextInputBottomSheet : BottomSheetDialogFragment() {
+open class TextInputSheet : BottomSheetDialogFragment() {

    protected var _binding: TextInputSheetBinding? = null
    protected val binding: TextInputSheetBinding get() = _binding!!
@@ -6,7 +6,7 @@ import com.denizd.qwark.R
 import com.denizd.qwark.fragment.SettingsFragment
 import com.denizd.qwark.model.SchoolYear

-internal class YearCreateBottomSheet : TextInputBottomSheet() {
+class YearCreateSheet : TextInputSheet() {

    private lateinit var settingsFragment: SettingsFragment
    private var currentYear: String = ""
@@ -0,0 +1,28 @@
+package com.denizd.qwark.util
+import com.denizd.qwark.model.Course
+import com.denizd.qwark.model.CourseExam
+
+fun List<CourseExam>.getSorted(sortType: Int): List<CourseExam> = when (sortType) { // TODO check what ascending and descending really mean lol
+    QwarkUtil.SORT_COURSES_TIME_ASC -> this.asReversed()
+    QwarkUtil.SORT_COURSES_NAME_ASC -> this.sortedBy { c -> c.name }
+    QwarkUtil.SORT_COURSES_NAME_DESC -> this.sortedByDescending { c -> c.name }
+    QwarkUtil.SORT_COURSES_ADV -> this.sortedByDescending { c -> c.advanced }
+    QwarkUtil.SORT_COURSES_BASIC -> this.sortedBy { c -> c.advanced }
+    QwarkUtil.SORT_COURSES_AVG_ASC -> this.sortedBy { c -> c.average.toDouble() }
+    QwarkUtil.SORT_COURSES_AVG_DESC -> this.sortedByDescending { c -> c.average.toDouble() }
+    QwarkUtil.SORT_COURSES_NEXT_EXAM -> this.sortedBy { c -> if (c.examTime > 1L) c.examTime else Long.MAX_VALUE }
+    else -> this // TIME_DESC
+}
+
+fun CourseExam.asCourse(): Course = Course(
+    name = name,
+    advanced = advanced,
+    icon = icon,
+    colour = colour,
+    average = average,
+    oralWeighting = oralWeighting,
+    gradeCount = gradeCount,
+    time = time,
+    courseId = courseId,
+    yearId = yearId
+)
@@ -1,5 +1,5 @@
 package com.denizd.qwark.util

-internal interface OnBackPressed {
+interface OnBackPressed {
    fun onBackPressed(): Boolean
 }
@@ -4,14 +4,14 @@ import android.content.Context
 import android.content.SharedPreferences
 import androidx.preference.PreferenceManager

-internal class QwarkPreferences private constructor(context: Context) {
+class QwarkPreferences private constructor(context: Context) {

    private val prefs: SharedPreferences = PreferenceManager.getDefaultSharedPreferences(context)
    private val edit: SharedPreferences.Editor = prefs.edit()

    companion object {
        private var qwarkPrefs: QwarkPreferences? = null
-        internal fun getPrefs(context: Context): QwarkPreferences {
+        fun getPrefs(context: Context): QwarkPreferences {
            if (qwarkPrefs == null) {
                synchronized (QwarkPreferences::class) {
                    qwarkPrefs = QwarkPreferences(context)
@@ -21,31 +21,31 @@ internal class QwarkPreferences private constructor(context: Context) {
        }
    }

-    internal fun getString(key: PreferenceKey, default: String = ""): String = prefs.getString(key.value, default) ?: default
-    internal fun getInt(key: PreferenceKey, default: Int = 0): Int = prefs.getInt(key.value, default)
-    internal fun getBool(key: PreferenceKey, default: Boolean = false): Boolean = prefs.getBoolean(key.value, default)
+    fun getString(key: PreferenceKey, default: String = ""): String = prefs.getString(key.value, default) ?: default
+    fun getInt(key: PreferenceKey, default: Int = 0): Int = prefs.getInt(key.value, default)
+    fun getBool(key: PreferenceKey, default: Boolean = false): Boolean = prefs.getBoolean(key.value, default)

-    internal fun putString(key: PreferenceKey, value: String): QwarkPreferences {
+    fun putString(key: PreferenceKey, value: String): QwarkPreferences {
        edit.putString(key.value, value).apply()
        return this
    }
-    internal fun putInt(key: PreferenceKey, value: Int): QwarkPreferences {
+    fun putInt(key: PreferenceKey, value: Int): QwarkPreferences {
        edit.putInt(key.value, value).apply()
        return this
    }
-    internal fun putBool(key: PreferenceKey, value: Boolean): QwarkPreferences {
+    fun putBool(key: PreferenceKey, value: Boolean): QwarkPreferences {
        edit.putBoolean(key.value, value).apply()
        return this
    }

-    internal fun getShowGradeAverage(): Boolean = getBool(PreferenceKey.SHOW_GRADE_AVERAGE)
-    internal fun getGradeType(): Int = getInt(PreferenceKey.GRADE_TYPE)
-    internal fun getCourseSortType(): Int = getInt(PreferenceKey.COURSE_SORT_TYPE, 1)
-    internal fun setCourseSortType(value: Int) { putInt(PreferenceKey.COURSE_SORT_TYPE, value) }
-    internal fun getSchoolYear(): Int = getInt(PreferenceKey.SCHOOL_YEAR_ID)
-    internal fun getSchoolYearName(): String = getString(PreferenceKey.SCHOOL_YEAR_NAME)
-    internal fun getScoreProfileName(): String = getString(PreferenceKey.SCORE_PROFILE_NAME)
-    internal fun getScoreProfileId(): Int = getInt(PreferenceKey.SCORE_PROFILE_ID)
+    fun getShowGradeAverage(): Boolean = getBool(PreferenceKey.SHOW_GRADE_AVERAGE)
+    fun getGradeType(): Int = getInt(PreferenceKey.GRADE_TYPE)
+    fun getCourseSortType(): Int = getInt(PreferenceKey.COURSE_SORT_TYPE, 1)
+    fun setCourseSortType(value: Int) { putInt(PreferenceKey.COURSE_SORT_TYPE, value) }
+    fun getSchoolYear(): Int = getInt(PreferenceKey.SCHOOL_YEAR_ID)
+    fun getSchoolYearName(): String = getString(PreferenceKey.SCHOOL_YEAR_NAME)
+    fun getScoreProfileName(): String = getString(PreferenceKey.SCORE_PROFILE_NAME)
+    fun getScoreProfileId(): Int = getInt(PreferenceKey.SCORE_PROFILE_ID)
    fun getParticipationDisplay(): Int = getInt(PreferenceKey.PARTICIPATION_DISPLAY)
    fun getParticipationDay(): Int = getInt(PreferenceKey.PARTICIPATION_DAY)

@@ -148,16 +148,12 @@ object QwarkUtil {
        else -> pointGradeArray
    }

-    private fun Double.getGradeType(map: Map<Int, String>): String = map[this.roundToInt()] ?: ""
-
    fun getNewGradeType(grade: Int, type: Int): String = when (type) {
        GRADE_NUMBERED -> numberedGrades[grade] ?: "error"
        GRADE_LETTERED -> letteredGrades[grade] ?: "error"
        else -> "error"
    }

-    fun getNumberForLetter(grade: String): Int = lettersToPoints[grade] ?: -1
-
    val timeAtMidnight: Long = GregorianCalendar().apply {
        set(Calendar.HOUR_OF_DAY, 0)
        set(Calendar.MINUTE, 0)
@@ -170,27 +166,15 @@ object QwarkUtil {
    const val GRADE_NUMBERED = 2
    const val GRADE_LETTERED = 3

-    private const val SORT_COURSES_TIME_ASC = 0
-    private const val SORT_COURSES_TIME_DESC = 1
-    private const val SORT_COURSES_NAME_ASC = 2
-    private const val SORT_COURSES_NAME_DESC = 3
-    private const val SORT_COURSES_ADV = 4
-    private const val SORT_COURSES_BASIC = 5
-    private const val SORT_COURSES_AVG_ASC = 6
-    private const val SORT_COURSES_AVG_DESC = 7
-    private const val SORT_COURSES_NEXT_EXAM = 8
-
-    fun getCoursesSorted(courses: List<CourseExam>, sortType: Int): List<CourseExam> = when (sortType) { // TODO check what ascending and descending really mean lol
-        SORT_COURSES_TIME_ASC -> courses.asReversed()
-        SORT_COURSES_TIME_DESC -> courses
-        SORT_COURSES_NAME_ASC -> courses.sortedBy { c -> c.name }
-        SORT_COURSES_NAME_DESC -> courses.sortedByDescending { c -> c.name }
-        SORT_COURSES_ADV -> courses.sortedByDescending { c -> c.advanced }
-        SORT_COURSES_BASIC -> courses.sortedBy { c -> c.advanced }
-        SORT_COURSES_AVG_ASC -> courses.sortedBy { c -> c.average.toDouble() }
-        SORT_COURSES_AVG_DESC -> courses.sortedByDescending { c -> c.average.toDouble() }
-        else -> courses.sortedBy { c -> if (c.examTime > 1L) c.examTime else Long.MAX_VALUE } // NEXT_EXAM
-    }
+    const val SORT_COURSES_TIME_ASC = 0
+    const val SORT_COURSES_TIME_DESC = 1
+    const val SORT_COURSES_NAME_ASC = 2
+    const val SORT_COURSES_NAME_DESC = 3
+    const val SORT_COURSES_ADV = 4
+    const val SORT_COURSES_BASIC = 5
+    const val SORT_COURSES_AVG_ASC = 6
+    const val SORT_COURSES_AVG_DESC = 7
+    const val SORT_COURSES_NEXT_EXAM = 8

    fun getGradeAsString(grade: Int, leadingZero: Boolean): String = (if (leadingZero && grade < 10) "0" else "") + grade
    fun getGradeWithLeadingZero(grade: Int) = "${if (grade < 10) "0" else ""}$grade"
@@ -227,115 +211,4 @@ object QwarkUtil {
        }
        dialog.show()
    }
-
-    fun putCourseInBundle(fragment: Fragment, course: CourseExam) {
-        val bundle = Bundle(11).apply {
-            putString("name", course.name)
-            putBoolean("advanced", course.advanced)
-            putString("icon", course.icon)
-            putString("colour", course.colour)
-            putString("average", course.average)
-            putInt("oralWeighting", course.oralWeighting)
-            putInt("gradeCount", course.gradeCount)
-            putLong("time", course.time)
-            putInt("courseId", course.courseId)
-            putInt("yearId", course.yearId)
-            putLong("examTime", course.examTime)
-        }
-        fragment.arguments = bundle
-    }
-
-    fun getCourseFromBundle(bundle: Bundle?) = CourseExam(
-        name = bundle?.getString("name") ?: "",
-        advanced = bundle?.getBoolean("advanced") ?: false,
-        icon = bundle?.getString("icon") ?: "",
-        colour = bundle?.getString("colour") ?: "",
-        average = bundle?.getString("average") ?: "",
-        oralWeighting = bundle?.getInt("oralWeighting") ?: 0,
-        gradeCount = bundle?.getInt("gradeCount") ?: 0,
-        time = bundle?.getLong("time") ?: 0L,
-        courseId = bundle?.getInt("courseId") ?: 0,
-        yearId = bundle?.getInt("yearId") ?: 0,
-        examTime = bundle?.getLong("examTime") ?: 0L
-    )
-
-    fun putFinalGradeInBundle(fragment: Fragment, finalGrade: FinalGrade) {
-        val bundle = Bundle(7).apply {
-            putString("name", finalGrade.name)
-            putInt("courseId", finalGrade.courseId)
-            putString("grade", finalGrade.grade)
-            putString("type", finalGrade.type)
-            putString("note", finalGrade.note)
-            putInt("finalGradeId", finalGrade.finalGradeId)
-            putInt("scoreProfileId", finalGrade.scoreProfileId)
-        }
-        fragment.arguments = bundle
-    }
-
-    fun getFinalGradeFromBundle(bundle: Bundle?) = FinalGrade(
-        name = bundle?.getString("name") ?: "",
-        courseId = bundle?.getInt("courseId") ?: 0,
-        grade = bundle?.getString("grade") ?: "",
-        type = bundle?.getString("type") ?: "",
-        note = bundle?.getString("note") ?: "",
-        finalGradeId = bundle?.getInt("finalGradeId") ?: 0,
-        scoreProfileId = bundle?.getInt("scoreProfileId") ?: 0
-    )
-
-    fun putGradeInBundle(fragment: Fragment, grade: Grade) {
-        val bundle = Bundle(8).apply {
-            putInt("grade", grade.grade)
-            putString("note", grade.note)
-            putBoolean("verbal", grade.verbal)
-            putLong("time", grade.time)
-            putInt("weighting", grade.weighting)
-            putLong("examTime", grade.examTime)
-            putInt("gradeId", grade.gradeId)
-            putInt("courseId", grade.courseId)
-        }
-        fragment.arguments = bundle
-    }
-
-    fun getGradeFromBundle(bundle: Bundle?) = Grade(
-        grade = bundle?.getInt("grade") ?: 0,
-        note = bundle?.getString("note") ?: "",
-        verbal = bundle?.getBoolean("verbal") ?: false,
-        time = bundle?.getLong("time") ?: 0L,
-        weighting = bundle?.getInt("weighting") ?: 0,
-        examTime = bundle?.getLong("examTime") ?: 0L,
-        gradeId = bundle?.getInt("gradeId") ?: 0,
-        courseId = bundle?.getInt("courseId") ?: 0
-    )
-
-    fun putNoteInBundle(fragment: Fragment, note: Note) {
-        val bundle = Bundle(5).apply {
-            putString("content", note.content)
-            putBoolean("dismissed", note.dismissed)
-            putLong("time", note.time)
-            putString("category", note.category)
-            putInt("noteId", note.noteId)
-        }
-        fragment.arguments = bundle
-    }
-
-    fun getNoteFromBundle(bundle: Bundle?) = Note(
-        content = bundle?.getString("content") ?: "",
-        dismissed = bundle?.getBoolean("dismissed") ?: false,
-        time = bundle?.getLong("time") ?: 0L,
-        category = bundle?.getString("category") ?: "",
-        noteId = bundle?.getInt("noteId") ?: 0
-    )
-
-    fun getCourseExamAsCourse(c: CourseExam): Course = Course(
-        name = c.name,
-        advanced = c.advanced,
-        icon = c.icon,
-        colour = c.colour,
-        average = c.average,
-        oralWeighting = c.oralWeighting,
-        gradeCount = c.gradeCount,
-        time = c.time,
-        courseId = c.courseId,
-        yearId = c.yearId
-    )
 }
@@ -29,4 +29,5 @@ class CourseViewModel(application: Application) : QwarkViewModel(application) {
    fun insert(course: Course) = doAsync { repo.insert(course) }
    fun update(course: Course)  = doAsync { repo.update(course) }
    fun delete(course: Course) = doAsync { repo.delete(course) }
+    fun getCourse(courseId: Int): CourseExam = returnBlocking { repo.getCourse(courseId) }
 }
@@ -14,7 +14,7 @@ import java.lang.NumberFormatException
 class FinalsViewModel(app: Application) : QwarkViewModel(app) {

    private val repo = FinalsRepository(app)
-    val allFinalGrades: LiveData<List<FinalGrade>>? = repo.getFinalGrades(repo.getFinalScoreId())
+    val allFinalGrades: LiveData<List<FinalGrade>> = repo.getFinalGrades(repo.getFinalScoreId())

    fun update(finalGrade: FinalGrade) = viewModelScope.launch {
        withContext(Dispatchers.IO) {
@@ -53,7 +53,7 @@ class FinalsViewModel(app: Application) : QwarkViewModel(app) {

    private fun checkGrade(finalGrade: FinalGrade): Int = if (finalGrade.grade.toInt() > -1) finalGrade.grade.toInt() else throw NumberFormatException()

-    fun getFinalGrade(points: Int): Double = when (points) {
+    fun getFinalGradeScore(points: Int): Double = when (points) {
        in 823..900 -> 1.0
        in 805..822 -> 1.1
        in 787..804 -> 1.2
@@ -107,11 +107,7 @@ class FinalsViewModel(app: Application) : QwarkViewModel(app) {
        }
    }

-    fun getCourse(courseId: Int) = runBlocking {
-        withContext(Dispatchers.IO) {
-            repo.getCourse(courseId)
-        }
-    }
-
+    fun getCourse(courseId: Int) = returnBlocking { repo.getCourse(courseId) }
+    fun getFinalGrade(finalGradeId: Int) = returnBlocking { repo.getFinalGrade(finalGradeId) }
    fun getCourseSortType() = repo.getCourseSortType()
 }
@@ -25,4 +25,5 @@ class GradeViewModel(application: Application) : QwarkViewModel(application) {
    fun delete(gradeId: Int) = doAsync { repo.delete(gradeId) }

    fun insert(avg: HistoricalAvg) = doAsync { repo.insert(avg) }
+    fun getGrade(gradeId: Int) = returnBlocking { repo.getGrade(gradeId) }
 }
@@ -9,7 +9,7 @@ import kotlinx.coroutines.launch
 import kotlinx.coroutines.runBlocking
 import kotlinx.coroutines.withContext

-class NoteViewModel(application: Application) : AndroidViewModel(application) {
+class NoteViewModel(application: Application) : QwarkViewModel(application) {

    private val repo = NoteRepository(application)
    private val reloadTrigger = MutableLiveData<String>()
@@ -75,4 +75,6 @@ class NoteViewModel(application: Application) : AndroidViewModel(application) {
            repo.getAllCategories()
        }
    }
+
+    fun getNote(noteId: Int) = returnBlocking { repo.getNote(noteId) }
 }
@@ -13,7 +13,12 @@ class ParticipationCourseViewModel(app: Application) : QwarkViewModel(app) {
        repo.getAllParticipationsForCourse(courseId)
    }
    fun getParticipationCount(participations: List<Participation>) = repo.getParticipationCount(participations)
-    fun updateParticipation(participation: String, courseId: Int) = doAsync { repo.updateParticipation(participation, courseId) }
+    fun updateParticipation(participation: String, courseId: Int) = doAsync {
+        repo.updateParticipation(participation, courseId)
+    }
+    fun updateParticipation(timesHandRaised: Int, timesSpoken: Int, participationId: Int) = doAsync {
+        repo.updateParticipation(timesHandRaised, timesSpoken, participationId)
+    }
    fun createParticipation(timesHandRaised: Int, timesSpoken: Int, time: Long, courseId: Int) = doAsync {
        repo.insert(timesHandRaised, timesSpoken, time, courseId)
    }
@@ -64,7 +64,7 @@
                        android:layout_height="match_parent">

                        <TextView
-                            android:id="@+id/text_above"
+                            android:id="@+id/super_title"
                            android:layout_width="0dp"
                            android:layout_height="wrap_content"
                            android:layout_marginStart="16dp"
@@ -78,7 +78,7 @@
                            app:layout_constraintEnd_toEndOf="parent"/>

                        <TextView
-                            android:id="@+id/toolbarTxt"
+                            android:id="@+id/app_bar_title"
                            android:layout_width="0dp"
                            android:layout_height="wrap_content"
                            android:layout_gravity="start"
@@ -91,7 +91,7 @@
                            android:layout_marginBottom="8dp"
                            android:singleLine="true"
                            android:ellipsize="marquee"
-                            app:layout_constraintTop_toBottomOf="@+id/text_above"
+                            app:layout_constraintTop_toBottomOf="@+id/super_title"
                            app:layout_constraintBottom_toBottomOf="parent"
                            app:layout_constraintStart_toStartOf="parent"
                            app:layout_constraintEnd_toEndOf="parent"/>
@@ -4,7 +4,6 @@
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:backgroundTint="@color/colorBackground"
-    android:paddingTop="8dp"
    android:paddingBottom="8dp">

    <TextView
@@ -76,6 +76,7 @@
    <string name="exam_date">Klausurdatum (yyyy-mm-dd)</string>
    <string name="date_format_issue">Dieses Datum kann nicht verarbeitet werden</string>
    <string name="exam_past_issue">Vergangene Klausuren müssen benotet werden</string>
+    <string name="open_participation_fragment">Beteiligung einsehen</string>

    <!-- NotesFragment.kt -->
    <string name="notes">Notizen</string>
@@ -104,8 +105,12 @@
    <string name="participation_ratio_desc">Gemeldet : Gesprochen</string>
    <string name="delete_participation_confirmation">Bist du dir sicher, dass du diese Beteiligung löschen möchtest?</string>
    <string name="class_session">Klassenzimmermodus</string>
+    <string name="class_session_resumed">Klassenzimmermodus (fortgesetzt)</string>
    <string name="long_press_to_cancel">Lange drücken um abzubrechen</string>
    <string name="long_press_to_finish">Lange drücken um zu beenden</string>
+    <string name="open_grade_fragment">Kurs einsehen</string>
+    <string name="participation_too_old">Beteiligung zu alt, um fortgesetzt zu werden</string>
+    <string name="participation_resumable">" (fortsetzbar)"</string>

    <string-array name="days">
        <item>Montag</item>
@@ -133,7 +133,7 @@
    <string name="exam_date">Exam date (yyyy-mm-dd)</string>
    <string name="date_format_issue">This date can\'t be parsed</string>
    <string name="exam_past_issue">Passed exams must have a grade associated</string>
-    <string name="open_participation_fragment">Open participation</string>
+    <string name="open_participation_fragment">View participation</string>

    <!-- NotesFragment.kt -->
    <string name="notes">Notes</string>
@@ -163,9 +163,12 @@
    <string name="participation_ratio_desc">Hand raised : Spoken</string>
    <string name="delete_participation_confirmation">Are you sure you want to delete this participation?</string>
    <string name="class_session">Class Session</string>
+    <string name="class_session_resumed">Class Session (resumed)</string>
    <string name="long_press_to_cancel">Long-press to cancel</string>
    <string name="long_press_to_finish">Long-press to finish</string>
-    <string name="open_grade_fragment">Open course</string>
+    <string name="open_grade_fragment">View course</string>
+    <string name="participation_too_old">Participation too old to be resumed</string>
+    <string name="participation_resumable">" (resumable)"</string>

    <string-array name="days">
        <item>Monday</item>