Add a filter in the quest list screen to filter out finished quest.

app/src/main/java/com/pixelized/rplexicon/ui/screens/quest/list/QuestListScreen.kt

@@ -4,6 +4,7 @@ import android.content.res.Configuration
 import androidx.compose.animation.AnimatedVisibility
 import androidx.compose.animation.fadeIn
 import androidx.compose.animation.fadeOut
+import androidx.compose.foundation.ExperimentalFoundationApi
 import androidx.compose.foundation.layout.Box
 import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.foundation.layout.padding
@@ -22,6 +23,8 @@ import androidx.compose.material3.IconButton
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Scaffold
 import androidx.compose.material3.Surface
+import androidx.compose.material3.Switch
+import androidx.compose.material3.SwitchDefaults
 import androidx.compose.material3.Text
 import androidx.compose.material3.TopAppBar
 import androidx.compose.runtime.Composable
@@ -85,12 +88,18 @@ fun QuestListScreen(
             refreshState = refresh,
             refreshing = viewModel.isLoading,
             isFabExpended = isFabExpended,
+            filterOutFinishedQuest = viewModel.filterOutFinishedQuest,
             onBack = {
                 screen.popBackStack()
             },
             onSearch = {
                 screen.navigateToSearch(enableQuests = true)
             },
+            onFilter = {
+                scope.launch {
+                    viewModel.toggleFinishedQuestFilter(it)
+                }
+            },
             onItem = {
                 screen.navigateToQuestDetail(id = it.id)
             },
@@ -102,7 +111,10 @@ fun QuestListScreen(
     }
 }
 
-@OptIn(ExperimentalMaterialApi::class, ExperimentalMaterial3Api::class)
+@OptIn(
+    ExperimentalMaterialApi::class, ExperimentalMaterial3Api::class,
+    ExperimentalFoundationApi::class
+)
 @Composable
 private fun QuestListContent(
     modifier: Modifier = Modifier,
@@ -110,8 +122,10 @@ private fun QuestListContent(
     refreshState: PullRefreshState,
     refreshing: State<Boolean>,
     isFabExpended: State<Boolean>,
+    filterOutFinishedQuest: State<Boolean>,
     onBack: () -> Unit,
     onSearch: () -> Unit,
+    onFilter: (Boolean) -> Unit,
     items: State<List<QuestGroupUio>>,
     onItem: (QuestItemUio) -> Unit,
 ) {
@@ -133,6 +147,13 @@ private fun QuestListContent(
                 title = {
                     Text(text = stringResource(id = R.string.quest_list__title))
                 },
+                actions = {
+                    Switch(
+                        checked = filterOutFinishedQuest.value,
+                        onCheckedChange = onFilter,
+                        colors = SwitchDefaults.colors(),
+                    )
+                }
             )
         },
     ) { paddingValues ->
@@ -250,8 +271,10 @@ private fun QuestListPreview() {
                     )
                 },
                 isFabExpended = remember { mutableStateOf(true) },
+                filterOutFinishedQuest = remember { mutableStateOf(true) },
                 onBack = { },
                 onSearch = { },
+                onFilter = { },
                 onItem = { },
             )
         }

app/src/main/java/com/pixelized/rplexicon/ui/screens/quest/list/QuestListViewModel.kt

@@ -2,7 +2,9 @@ package com.pixelized.rplexicon.ui.screens.quest.list
 
 import android.app.Application
 import android.util.Log
+import androidx.compose.runtime.Composable
 import androidx.compose.runtime.State
+import androidx.compose.runtime.collectAsState
 import androidx.compose.runtime.mutableStateOf
 import androidx.lifecycle.AndroidViewModel
 import androidx.lifecycle.viewModelScope
@@ -18,6 +20,7 @@ import kotlinx.coroutines.async
 import kotlinx.coroutines.awaitAll
 import kotlinx.coroutines.coroutineScope
 import kotlinx.coroutines.flow.MutableSharedFlow
+import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.SharedFlow
 import kotlinx.coroutines.flow.combine
 import kotlinx.coroutines.launch
@@ -40,13 +43,21 @@ class QuestListViewModel @Inject constructor(
     private val _error = MutableSharedFlow<FetchErrorUio>()
     val error: SharedFlow<FetchErrorUio> get() = _error
 
+    private val _filterOutFinishedQuest = MutableStateFlow(true)
+    val filterOutFinishedQuest: State<Boolean>
+        @Composable
+        get() = _filterOutFinishedQuest.collectAsState()
+
     init {
         viewModelScope.launch {
             launch(Dispatchers.IO) {
-                order.data.combine(repository.data) { _, quests -> quests }
+                _filterOutFinishedQuest
+                    .combine(order.data) { _, _ -> }
+                    .combine(repository.data) { _, quests -> quests }
                     .collect { items ->
                         val quests = items
                             .asSequence()
+                            .filter { _filterOutFinishedQuest.value.not() || it.complete.not() }
                             .sortedBy { it.title }
                             .sortedBy { it.complete }
                             .groupBy(
@@ -130,6 +141,10 @@ class QuestListViewModel @Inject constructor(
         }
     }
 
+    suspend fun toggleFinishedQuestFilter(filter: Boolean) {
+        _filterOutFinishedQuest.emit(filter)
+    }
+
     companion object {
         const val TAG = "QuestListViewModel"
     }