Add delete all history with confirm dialog.

app/src/main/java/me/zobrist/tichucounter/MainActivity.kt

@@ -15,7 +15,6 @@ import androidx.compose.ui.graphics.vector.ImageVector
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.text.style.TextOverflow
 import androidx.compose.ui.unit.dp
-import androidx.compose.ui.window.Dialog
 import androidx.navigation.NavDestination.Companion.hierarchy
 import androidx.navigation.NavGraph.Companion.findStartDestination
 import androidx.navigation.NavHostController
@@ -115,8 +114,23 @@ class MainActivity : BaseActivity() {
                         NavigationAction { scope.launch { drawerState.open() } }
                 }
                 composable("history") {
-                    HistoryList(historyViewModel) { navController.navigate("counter") }
-                    mainViewModel.topBarActions = emptyList()
+
+                    var openDialog by remember { mutableStateOf(false) }
+
+                    HistoryList(historyViewModel, openDialog, { deleteAll ->
+                        if (deleteAll) {
+                            mainViewModel.deleteAllInactiveGames()
+                        }
+                        openDialog = false
+                    }) { navController.navigate("counter") }
+                    mainViewModel.topBarActions = listOf(
+                        TopBarAction(
+                            Icons.Outlined.DeleteForever,
+                            true
+                        ) {
+                            openDialog = true
+                        }
+                    )
                     mainViewModel.topBarIcon = Icons.Outlined.ArrowBack
                     mainViewModel.topBarTitle = stringResource(R.string.menu_history)
                     mainViewModel.topBarNavigationAction =

app/src/main/java/me/zobrist/tichucounter/data/RoundDao.kt

@@ -6,6 +6,9 @@ import kotlinx.coroutines.flow.Flow
 @Dao
 interface RoundDao : DaoBase<Round> {
 
+    @Query("SELECT * FROM round")
+    fun getAll(): List<Round>
+
     @Query("SELECT * FROM round WHERE gameId is :gameId")
     fun getAllForGame(gameId: Long?): List<Round>
 

app/src/main/java/me/zobrist/tichucounter/repository/GameRepository.kt

@@ -99,4 +99,21 @@ class GameRepository @Inject constructor(
             }
         }
     }
+
+    suspend fun deleteAllInactive() {
+        withContext(Dispatchers.IO) {
+            try {
+                gameDao.getAll().take(1).collect() { games ->
+
+                    val activeId = games.first { it.active }.uid
+                    val gamesToDelete = games.filter { !it.active }
+                    val roundsToDelete = roundDao.getAll().filter { it.gameId != activeId }
+
+                    gameDao.delete(gamesToDelete)
+                    roundDao.delete(roundsToDelete)
+                }
+            } catch (_: NullPointerException) {
+            }
+        }
+    }
 }

app/src/main/java/me/zobrist/tichucounter/ui/MainViewModel.kt

@@ -83,4 +83,10 @@ class MainViewModel @Inject constructor(
             gameRepository.newGame()
         }
     }
+
+    fun deleteAllInactiveGames() {
+        viewModelScope.launch {
+            gameRepository.deleteAllInactive()
+        }
+    }
 }

app/src/main/java/me/zobrist/tichucounter/ui/counter/KeyboardView.kt

@@ -170,10 +170,9 @@ fun KeyboardTextButton(text: String, onClicked: () -> Unit) {
 
     val screenWidth = configuration.screenWidthDp.dp
 
-    val style = if(screenWidth < 350.dp)
-    {
-         MaterialTheme.typography.labelSmall
-    }else {
+    val style = if (screenWidth < 350.dp) {
+        MaterialTheme.typography.labelSmall
+    } else {
         MaterialTheme.typography.labelLarge
     }
 

app/src/main/java/me/zobrist/tichucounter/ui/counter/TeamNamesView.kt

@@ -21,7 +21,8 @@ fun TeamNamesView(
 ) {
 
     val color = TextFieldDefaults.textFieldColors(
-        containerColor = MaterialTheme.colorScheme.surfaceColorAtElevation(1.dp))
+        containerColor = MaterialTheme.colorScheme.surfaceColorAtElevation(1.dp)
+    )
 
     Row {
         TextField(

app/src/main/java/me/zobrist/tichucounter/ui/history/HistoryView.kt

@@ -6,7 +6,6 @@ import androidx.compose.foundation.lazy.LazyColumn
 import androidx.compose.foundation.lazy.items
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.outlined.Delete
-import androidx.compose.material.icons.outlined.DeleteForever
 import androidx.compose.material.icons.outlined.OpenInFull
 import androidx.compose.material3.*
 import androidx.compose.runtime.Composable
@@ -22,19 +21,54 @@ import java.util.*
 
 
 @Composable
-fun HistoryList(viewModel: HistoryViewModel, navigateToCalculator: () -> Unit) {
+fun HistoryList(
+    viewModel: HistoryViewModel,
+    showDeleteDialog: Boolean,
+    onDialogExecuted: (Boolean) -> Unit,
+    navigateToCalculator: () -> Unit
+) {
+
+    DeleteConfirmDialog(showDeleteDialog, onDialogExecuted)
+
     HistoryList(viewModel.gameAndHistory,
         {
             viewModel.activateGame(it)
             navigateToCalculator()
         },
-        {viewModel.deleteGame(it)})
+        { viewModel.deleteGame(it) })
+}
+
+@Preview
+@Composable
+fun DeleteConfirmDialog(show: Boolean = true, onExecuted: (Boolean) -> Unit = {}) {
+    if (show) {
+
+        AlertDialog(
+            onDismissRequest = { onExecuted(false) },
+            dismissButton = {
+                TextButton({ onExecuted(false) })
+                {
+                    Text(stringResource(R.string.cancel))
+                }
+            },
+            confirmButton = {
+                TextButton({ onExecuted(true) })
+                {
+                    Text(stringResource(R.string.ok))
+                }
+            },
+            title = { Text(stringResource(R.string.delete_inactive_title)) },
+            text = { Text(stringResource(R.string.delete_inactive_text)) },
+        )
+    }
 }
 
 @Composable
-fun HistoryList(games: List<GameAndScore>,
-                onOpenClicked: (GameId: Long) -> Unit,
-                onDeleteClicked: (GameId: Long) -> Unit) {
+fun HistoryList(
+    games: List<GameAndScore>,
+    onOpenClicked: (GameId: Long) -> Unit,
+    onDeleteClicked: (GameId: Long) -> Unit
+) {
     Row {
         LazyColumn {
             items(games) {
@@ -48,20 +82,19 @@ fun HistoryList(games: List<GameAndScore>,
 fun HistoryListItem(
     game: GameAndScore,
     onOpenClicked: (GameId: Long) -> Unit,
-    onDeleteClicked: (GameId: Long) -> Unit) {
+    onDeleteClicked: (GameId: Long) -> Unit
+) {
     val format =
         DateFormat.getDateTimeInstance(DateFormat.MEDIUM, DateFormat.SHORT, Locale.getDefault())
 
 
-    val cardColor = if(game.active)
-    {
+    val cardColor = if (game.active) {
         CardDefaults.cardColors(containerColor = MaterialTheme.colorScheme.secondaryContainer)
 
-    } else
-    {
+    } else {
         CardDefaults.cardColors()
     }
-    
+
     Card(
         modifier = Modifier
             .fillMaxWidth()
@@ -70,8 +103,9 @@ fun HistoryListItem(
     ) {
         Row(
             Modifier
-                .padding(all = 12.dp)){
-            Column(Modifier.weight(4f)){
+                .padding(all = 12.dp)
+        ) {
+            Column(Modifier.weight(4f)) {
                 Text(
                     text = game.nameA + " vs " + game.nameB,
                     maxLines = 1,
@@ -91,13 +125,15 @@ fun HistoryListItem(
             Column(
                 Modifier
                     .wrapContentSize()
-                    .width(70.dp)){
+                    .width(70.dp)
+            ) {
 
                 ElevatedButton(onClick = { onOpenClicked(game.gameId) }, enabled = true) {
                     Icon(Icons.Outlined.OpenInFull, null)
                 }
                 ElevatedButton(
-                    onClick = { onDeleteClicked(game.gameId) }, enabled = !game.active ) {
+                    onClick = { onDeleteClicked(game.gameId) }, enabled = !game.active
+                ) {
                     Icon(Icons.Outlined.Delete, null)
                 }
             }

app/src/main/java/me/zobrist/tichucounter/ui/history/HistoryViewModel.kt

@@ -30,15 +30,13 @@ class HistoryViewModel @Inject constructor(
         }
     }
 
-    fun deleteGame(gameId: Long)
-    {
+    fun deleteGame(gameId: Long) {
         viewModelScope.launch {
             gameRepository.deleteGame(gameId)
         }
     }
 
-    fun activateGame(gameId: Long)
-    {
+    fun activateGame(gameId: Long) {
         viewModelScope.launch {
             gameRepository.setActive(gameId)
         }

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

@@ -15,6 +15,9 @@
     <string name="newGame">Neues Spiel</string>
     <string name="created">"Erstellt: %s "</string>
     <string name="modified">Bearbeitet: %s</string>
-    <string name="delete_all">Alle löschen</string>
+    <string name="delete_inactive_title">Verlauf löschen</string>
+    <string name="delete_inactive_text">Wirklich den gesamten Verlauf löschen? Diese Aktion kann nicht rückgängig gemacht werden.</string>
+    <string name="cancel">Abbrechen</string>
+    <string name="ok">Ok</string>
 
 </resources>

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

@@ -18,5 +18,8 @@
     <string name="newGame">New Game</string>
     <string name="created">Created: %s</string>
     <string name="modified">Modified: %s</string>
-    <string name="delete_all">Delete all</string>
+    <string name="delete_inactive_title">Delete history</string>
+    <string name="delete_inactive_text">You really want to delete the the history? This action can\'t be undone.</string>
+    <string name="cancel">Cancel</string>
+    <string name="ok">Ok</string>
 </resources>