fix(llc, ui): fix removing message not removing quoted reference.

Signed-off-by: xsahil03x <xdsahil@gmail.com>

packages/stream_chat/lib/src/client/channel.dart

@@ -746,6 +746,7 @@ class Channel {
       state!.deleteMessage(
         message.copyWith(
           type: 'deleted',
+          deletedAt: message.deletedAt ?? DateTime.now(),
           status: MessageSendingStatus.sent,
         ),
         hardDelete: hardDelete,
@@ -1928,11 +1929,9 @@ class ChannelClientState {
   void _listenMessageDeleted() {
     _subscriptions.add(_channel.on(EventType.messageDeleted).listen((event) {
       final message = event.message!;
-      if (event.hardDelete == true) {
-        removeMessage(message);
-      } else {
-        updateMessage(message);
-      }
+      final hardDelete = event.hardDelete ?? false;
+
+      deleteMessage(message, hardDelete: hardDelete);
     }));
   }
 
@@ -1957,18 +1956,35 @@ class ChannelClientState {
 
   /// Updates the [message] in the state if it exists. Adds it otherwise.
   void updateMessage(Message message) {
+    // Regular messages, which are shown in channel.
     if (message.parentId == null || message.showInChannel == true) {
-      final newMessages = [...messages];
+      var newMessages = [...messages];
       final oldIndex = newMessages.indexWhere((m) => m.id == message.id);
       if (oldIndex != -1) {
-        Message? m;
+        var updatedMessage = message;
+        // Add quoted message to the message if it is not present.
         if (message.quotedMessageId != null && message.quotedMessage == null) {
           final oldMessage = newMessages[oldIndex];
-          m = message.copyWith(
+          updatedMessage = updatedMessage.copyWith(
             quotedMessage: oldMessage.quotedMessage,
           );
         }
-        newMessages[oldIndex] = m ?? message;
+        newMessages[oldIndex] = updatedMessage;
+
+        // Update quoted message reference for every message if available.
+        newMessages = [...newMessages].map((it) {
+          // Early return if the message doesn't have a quoted message.
+          if (it.quotedMessageId != message.id) return it;
+
+          // Setting it to null will remove the quoted message from the message
+          // So, we are setting the same message but with the deleted state.
+          return it.copyWith(
+            quotedMessage: updatedMessage.copyWith(
+              type: 'deleted',
+              deletedAt: updatedMessage.deletedAt ?? DateTime.now(),
+            ),
+          );
+        }).toList();
       } else {
         newMessages.add(message);
       }
@@ -1997,6 +2013,7 @@ class ChannelClientState {
       );
     }
 
+    // Thread messages, which are shown in thread page.
     if (message.parentId != null) {
       updateThreadInfo(message.parentId!, [message]);
     }
@@ -2026,9 +2043,22 @@ class ChannelClientState {
     }
 
     // Remove regular message, thread message shown in channel
-    final allMessages = [...messages];
+    var updatedMessages = [...messages]..removeWhere((e) => e.id == message.id);
+
+    // Remove quoted message reference from every message if available.
+    updatedMessages = [...updatedMessages].map((it) {
+      // Early return if the message doesn't have a quoted message.
+      if (it.quotedMessageId != message.id) return it;
+
+      // Setting it to null will remove the quoted message from the message.
+      return it.copyWith(
+        quotedMessage: null,
+        quotedMessageId: null,
+      );
+    }).toList();
+
     _channelState = _channelState.copyWith(
-      messages: allMessages..removeWhere((e) => e.id == message.id),
+      messages: updatedMessages,
     );
   }
 

packages/stream_chat_flutter/lib/src/message_input/quoted_message_widget.dart

@@ -134,6 +134,8 @@ class _QuotedMessage extends StatelessWidget {
   bool get _isGiphy =>
       message.attachments.any((element) => element.type == 'giphy');
 
+  bool get _isDeleted => message.isDeleted || message.deletedAt != null;
+
   @override
   Widget build(BuildContext context) {
     final isOnlyEmoji = message.text!.isOnlyEmoji;
@@ -144,39 +146,54 @@ class _QuotedMessage extends StatelessWidget {
       msg = msg.copyWith(text: '${msg.text!.substring(0, textLimit - 3)}...');
     }
 
-    final children = [
-      if (composing)
-        PlatformWidgetBuilder(
-          web: (context, child) => child,
-          desktop: (context, child) => child,
-          child: ClearInputItemButton(
-            onTap: onQuotedMessageClear,
+    List<Widget> children;
+    if (_isDeleted) {
+      // Show deleted message text
+      children = [
+        Text(
+          context.translations.messageDeletedLabel,
+          style: messageTheme.messageTextStyle?.copyWith(
+            fontStyle: FontStyle.italic,
+            color: messageTheme.createdAtStyle?.color,
           ),
         ),
-      if (_hasAttachments)
-        _ParseAttachments(
-          message: message,
-          messageTheme: messageTheme,
-          attachmentThumbnailBuilders: attachmentThumbnailBuilders,
-        ),
-      if (msg.text!.isNotEmpty && !_isGiphy)
-        Flexible(
-          child: StreamMessageText(
-            message: msg,
-            messageTheme: isOnlyEmoji && _containsText
-                ? messageTheme.copyWith(
-                    messageTextStyle: messageTheme.messageTextStyle?.copyWith(
-                      fontSize: 32,
-                    ),
-                  )
-                : messageTheme.copyWith(
-                    messageTextStyle: messageTheme.messageTextStyle?.copyWith(
-                      fontSize: 12,
-                    ),
-                  ),
+      ];
+    } else {
+      // Show quoted message
+      children = [
+        if (composing)
+          PlatformWidgetBuilder(
+            web: (context, child) => child,
+            desktop: (context, child) => child,
+            child: ClearInputItemButton(
+              onTap: onQuotedMessageClear,
+            ),
           ),
-        ),
-    ].insertBetween(const SizedBox(width: 8));
+        if (_hasAttachments)
+          _ParseAttachments(
+            message: message,
+            messageTheme: messageTheme,
+            attachmentThumbnailBuilders: attachmentThumbnailBuilders,
+          ),
+        if (msg.text!.isNotEmpty && !_isGiphy)
+          Flexible(
+            child: StreamMessageText(
+              message: msg,
+              messageTheme: isOnlyEmoji && _containsText
+                  ? messageTheme.copyWith(
+                      messageTextStyle: messageTheme.messageTextStyle?.copyWith(
+                        fontSize: 32,
+                      ),
+                    )
+                  : messageTheme.copyWith(
+                      messageTextStyle: messageTheme.messageTextStyle?.copyWith(
+                        fontSize: 12,
+                      ),
+                    ),
+            ),
+          ),
+      ].insertBetween(const SizedBox(width: 8));
+    }
 
     return Container(
       decoration: BoxDecoration(
@@ -204,7 +221,7 @@ class _QuotedMessage extends StatelessWidget {
   }
 
   Color? _getBackgroundColor(BuildContext context) {
-    if (_containsLinkAttachment) {
+    if (_containsLinkAttachment && !_isDeleted) {
       return messageTheme.urlAttachmentBackgroundColor;
     }
     return messageTheme.messageBackgroundColor;

packages/stream_chat_flutter/lib/src/message_widget/bottom_row.dart

@@ -151,7 +151,7 @@ class BottomRow extends StatelessWidget {
             context,
             message,
           ) ??
-          const Offstage();
+          const StreamVisibleFootnote();
     }
 
     final children = <WidgetSpan>[];