feat(manager/social): chat purge

app/src/main/kotlin/me/rhunk/snapenhance/ui/manager/sections/social/MessagingPreview.kt

@@ -1,21 +1,21 @@
 package me.rhunk.snapenhance.ui.manager.sections.social
 
+import androidx.compose.foundation.gestures.detectTapGestures
 import androidx.compose.foundation.layout.*
 import androidx.compose.foundation.lazy.LazyColumn
 import androidx.compose.foundation.lazy.LazyListState
 import androidx.compose.foundation.lazy.rememberLazyListState
-import androidx.compose.material3.Card
-import androidx.compose.material3.CircularProgressIndicator
-import androidx.compose.material3.MaterialTheme
-import androidx.compose.material3.Text
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.Close
+import androidx.compose.material.icons.filled.Delete
+import androidx.compose.material.icons.filled.DeleteForever
+import androidx.compose.material3.*
 import androidx.compose.runtime.*
+import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
+import androidx.compose.ui.input.pointer.pointerInput
 import androidx.compose.ui.unit.dp
-import kotlinx.coroutines.CoroutineScope
-import kotlinx.coroutines.Dispatchers
-import kotlinx.coroutines.delay
-import kotlinx.coroutines.launch
-import kotlinx.coroutines.withTimeout
+import kotlinx.coroutines.*
 import me.rhunk.snapenhance.RemoteSideContext
 import me.rhunk.snapenhance.bridge.snapclient.MessagingBridge
 import me.rhunk.snapenhance.bridge.snapclient.types.Message
@@ -23,22 +23,177 @@ import me.rhunk.snapenhance.common.data.ContentType
 import me.rhunk.snapenhance.common.data.SocialScope
 import me.rhunk.snapenhance.common.util.protobuf.ProtoReader
 import me.rhunk.snapenhance.common.util.snap.SnapWidgetBroadcastReceiverHelper
+import me.rhunk.snapenhance.ui.util.AlertDialogs
+import me.rhunk.snapenhance.ui.util.Dialog
 
 class MessagingPreview(
     private val context: RemoteSideContext,
     private val scope: SocialScope,
     private val scopeId: String
 ) {
+    private val alertDialogs by lazy { AlertDialogs(context.translation) }
+
     private lateinit var coroutineScope: CoroutineScope
     private lateinit var messagingBridge: MessagingBridge
     private lateinit var previewScrollState: LazyListState
+    private val myUserId by lazy { messagingBridge.myUserId }
+
     private var conversationId: String? = null
     private val messages = sortedMapOf<Long, Message>()
     private var messageSize by mutableIntStateOf(0)
     private var lastMessageId = Long.MAX_VALUE
+    private val selectedMessages = mutableStateListOf<Long>()
+
+    private fun toggleSelectedMessage(messageId: Long) {
+        if (selectedMessages.contains(messageId)) selectedMessages.remove(messageId)
+        else selectedMessages.add(messageId)
+    }
+
+
+    @Composable
+    fun TopBarAction() {
+        var deletedMessageCount by remember { mutableIntStateOf(0) }
+        var messageDeleteJob by remember { mutableStateOf(null as Job?) }
+
+        fun deleteIndividualMessage(serverMessageId: Long) {
+            val message = messages[serverMessageId] ?: return
+            if (message.senderId != myUserId) return
+
+            val error = messagingBridge.updateMessage(conversationId, message.clientMessageId, "ERASE")
+
+            if (error != null) {
+                context.shortToast("Failed to delete message: $error")
+            } else {
+                coroutineScope.launch {
+                    deletedMessageCount++
+                    messages.remove(serverMessageId)
+                    messageSize = messages.size
+                }
+            }
+        }
+
+        if (messageDeleteJob != null) {
+            Dialog(onDismissRequest = {
+                messageDeleteJob?.cancel()
+                messageDeleteJob = null
+            }) {
+                Card {
+                    Column(
+                        modifier = Modifier
+                            .padding(20.dp)
+                            .fillMaxWidth(),
+                        verticalArrangement = Arrangement.Center,
+                        horizontalAlignment = Alignment.CenterHorizontally
+                    ) {
+                        Text("Deleting messages ($deletedMessageCount)")
+                        Spacer(modifier = Modifier.height(10.dp))
+                        CircularProgressIndicator(
+                            modifier = Modifier
+                                .padding()
+                                .size(30.dp),
+                            strokeWidth = 3.dp,
+                            color = MaterialTheme.colorScheme.primary
+                        )
+                    }
+                }
+            }
+        }
+
+
+        if (selectedMessages.isNotEmpty()) {
+            IconButton(onClick = {
+                deletedMessageCount = 0
+                messageDeleteJob = coroutineScope.launch(Dispatchers.IO) {
+                    selectedMessages.toList().also {
+                        selectedMessages.clear()
+                    }.forEach { messageId ->
+                        deleteIndividualMessage(messageId)
+                    }
+                }.apply {
+                    invokeOnCompletion {
+                        context.shortToast("Successfully deleted $deletedMessageCount messages")
+                        messageDeleteJob = null
+                    }
+                }
+            }) {
+                Icon(
+                    imageVector = Icons.Filled.Delete,
+                    contentDescription = "Delete"
+                )
+            }
+
+            IconButton(onClick = {
+                selectedMessages.clear()
+            }) {
+                Icon(
+                    imageVector = Icons.Filled.Close,
+                    contentDescription = "Close"
+                )
+            }
+        } else {
+            var deleteAllConfirmationDialog by remember { mutableStateOf(false) }
+
+            if (deleteAllConfirmationDialog) {
+                Dialog(onDismissRequest = { deleteAllConfirmationDialog = false }) {
+                    alertDialogs.ConfirmDialog(title = "Are you sure you want to delete all your messages?", onDismiss = {
+                        deleteAllConfirmationDialog = false
+                    }, onConfirm = {
+                        deletedMessageCount = 0
+                        deleteAllConfirmationDialog = false
+                        messageDeleteJob = coroutineScope.launch(Dispatchers.IO) {
+                            var lastMessageId = Long.MAX_VALUE
+
+                            do {
+                                val fetchedMessages = messagingBridge.fetchConversationWithMessagesPaginated(
+                                    conversationId!!,
+                                    100,
+                                    lastMessageId
+                                )
+
+                                if (fetchedMessages == null) {
+                                    context.shortToast("Failed to fetch messages")
+                                    return@launch
+                                }
+
+                                if (fetchedMessages.isEmpty()) {
+                                    break
+                                }
+
+                                fetchedMessages.forEach {
+                                    deleteIndividualMessage(it.serverMessageId)
+                                }
+
+                                lastMessageId = fetchedMessages.first().clientMessageId
+                            } while (true)
+                        }.apply {
+                            invokeOnCompletion {
+                                messageDeleteJob = null
+                                context.shortToast("Successfully deleted $deletedMessageCount messages")
+                            }
+                        }
+                    })
+                }
+            }
+
+            IconButton(onClick = {
+                deleteAllConfirmationDialog = true
+            }) {
+                Icon(
+                    imageVector = Icons.Filled.DeleteForever,
+                    contentDescription = "Delete"
+                )
+            }
+        }
+    }
 
     @Composable
     private fun ConversationPreview() {
+        DisposableEffect(Unit) {
+            onDispose {
+                selectedMessages.clear()
+            }
+        }
+
         LazyColumn(
             modifier = Modifier
                 .fillMaxSize(),
@@ -64,12 +219,29 @@ class MessagingPreview(
                 }
             }
             items(messageSize) {index ->
+                val elementKey = remember(index) { messages.entries.elementAt(index).key }
                 val messageReader = ProtoReader(messages.entries.elementAt(index).value.content)
                 val contentType = ContentType.fromMessageContainer(messageReader)
 
                 Card(
                     modifier = Modifier
                         .padding(5.dp)
+                        .pointerInput(Unit) {
+                            if (contentType == ContentType.STATUS) return@pointerInput
+                            detectTapGestures(
+                                onLongPress = {
+                                    toggleSelectedMessage(elementKey)
+                                },
+                                onTap = {
+                                    if (selectedMessages.isNotEmpty()) {
+                                        toggleSelectedMessage(elementKey)
+                                    }
+                                }
+                            )
+                        },
+                    colors = CardDefaults.cardColors(
+                        containerColor = if (selectedMessages.contains(elementKey)) MaterialTheme.colorScheme.primaryContainer else MaterialTheme.colorScheme.surfaceVariant
+                    ),
                 ) {
                     Row(
                         modifier = Modifier

app/src/main/kotlin/me/rhunk/snapenhance/ui/manager/sections/social/SocialSection.kt

@@ -47,6 +47,7 @@ class SocialSection : Section() {
     }
 
     private var currentScopeContent: ScopeContent? = null
+    private var currentMessagingPreview by mutableStateOf(null as MessagingPreview?)
 
     private val addFriendDialog by lazy {
         AddFriendDialog(context, this)
@@ -83,12 +84,16 @@ class SocialSection : Section() {
                 }
             }
 
-            composable(MESSAGING_PREVIEW_ROUTE) {
-                val id = it.arguments?.getString("id") ?: return@composable
-                val scope = it.arguments?.getString("scope") ?: return@composable
-                remember {
+            composable(MESSAGING_PREVIEW_ROUTE) { navBackStackEntry ->
+                val id = navBackStackEntry.arguments?.getString("id") ?: return@composable
+                val scope = navBackStackEntry.arguments?.getString("scope") ?: return@composable
+                val messagePreview = remember {
                     MessagingPreview(context, SocialScope.getByName(scope), id)
-                }.Content()
+                }
+                LaunchedEffect(key1 = id) {
+                    currentMessagingPreview = messagePreview
+                }
+                messagePreview.Content()
             }
         }
     }
@@ -112,6 +117,10 @@ class SocialSection : Section() {
             }
         }
 
+        if (currentRoute == MESSAGING_PREVIEW_ROUTE) {
+            currentMessagingPreview?.TopBarAction()
+        }
+
         if (currentRoute == SocialScope.FRIEND.tabRoute || currentRoute == SocialScope.GROUP.tabRoute) {
             IconButton(
                 onClick = { deleteConfirmDialog = true },

common/src/main/aidl/me/rhunk/snapenhance/bridge/snapclient/MessagingBridge.aidl

@@ -4,13 +4,15 @@ import java.util.List;
 import me.rhunk.snapenhance.bridge.snapclient.types.Message;
 
 interface MessagingBridge {
+    String getMyUserId();
+
     @nullable Message fetchMessage(String conversationId, String clientMessageId);
 
     @nullable Message fetchMessageByServerId(String conversationId, String serverMessageId);
 
     @nullable List<Message> fetchConversationWithMessagesPaginated(String conversationId, int limit, long beforeMessageId);
 
-    @nullable String updateMessage(String conversationId, String clientMessageId, String messageUpdate);
+    @nullable String updateMessage(String conversationId, long clientMessageId, String messageUpdate);
 
     @nullable String getOneToOneConversationId(String userId);
 }

core/src/main/kotlin/me/rhunk/snapenhance/core/messaging/CoreMessagingBridge.kt

@@ -28,6 +28,7 @@ class CoreMessagingBridge(
     private val context: ModContext
 ) : MessagingBridge.Stub() {
     private val conversationManager get() = context.feature(Messaging::class).conversationManager
+    override fun getMyUserId() = context.database.myUserId
 
     override fun fetchMessage(conversationId: String, clientMessageId: String): Message? {
         return runBlocking {
@@ -116,7 +117,7 @@ class CoreMessagingBridge(
 
     override fun updateMessage(
         conversationId: String,
-        clientMessageId: String,
+        clientMessageId: Long,
         messageUpdate: String
     ): String? {
         return runBlocking {