feat(ui, core): minor fixes and improvements

Signed-off-by: xsahil03x <[email protected]>

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

@@ -895,7 +895,7 @@ class MessageInputState extends State<MessageInput>
         _actionsShrunk = value.isNotEmpty && actionsLength > 1;
       });
 
-      _checkContainsUrlDebounced.call([value, context]);
+      _checkContainsUrl(value, context);
       _checkCommands(value, context);
       _checkMentions(value, context);
       _checkEmoji(value, context);
@@ -920,9 +920,11 @@ class MessageInputState extends State<MessageInput>
 
   String? _lastSearchedContainsUrlText;
   CancelableOperation? _enrichUrlOperation;
+  final _urlRegex = RegExp(
+    r'(?:(?:https?|ftp):\/\/)?[\w/\-?=%.]+\.[\w/\-?=%.]+',
+  );
 
-  late final _checkContainsUrlDebounced = debounce(
-    (String value, BuildContext context) async {
+  void _checkContainsUrl(String value, BuildContext context) async {
     // Cancel the previous operation if it's still running
     _enrichUrlOperation?.cancel();
 
@@ -930,9 +932,7 @@ class MessageInputState extends State<MessageInput>
     if (_lastSearchedContainsUrlText == value) return;
     _lastSearchedContainsUrlText = value;
 
-      final matchedUrls =
-          RegExp(r'(?:(?:https?|ftp):\/\/)?[\w/\-?=%.]+\.[\w/\-?=%.]+')
-              .allMatches(value);
+    final matchedUrls = _urlRegex.allMatches(value);
 
     // Reset the og attachment if the text doesn't contain any url
     if (matchedUrls.isEmpty) {
@@ -950,7 +950,7 @@ class MessageInputState extends State<MessageInput>
     final client = StreamChat.of(context).client;
 
     _enrichUrlOperation = CancelableOperation.fromFuture(
-        client.enrichUrl(firstMatchedUrl),
+      _enrichUrl(firstMatchedUrl, client),
     ).then(
       (ogAttachment) {
         final attachment = Attachment.fromOGAttachment(ogAttachment);
@@ -962,9 +962,22 @@ class MessageInputState extends State<MessageInput>
         widget.onError?.call(error, stackTrace);
       },
     );
-    },
-    const Duration(milliseconds: 650),
-  );
+  }
+
+  final _ogAttachmentCache = <String, OGAttachmentResponse>{};
+
+  Future<OGAttachmentResponse> _enrichUrl(
+    String url,
+    StreamChatClient client,
+  ) async {
+    var response = _ogAttachmentCache[url];
+    if (response == null) {
+      final client = StreamChat.of(context).client;
+      response = await client.enrichUrl(url);
+      _ogAttachmentCache[url] = response;
+    }
+    return response;
+  }
 
   void _checkEmoji(String value, BuildContext context) {
     if (value.isNotEmpty &&
@@ -1169,11 +1182,14 @@ class MessageInputState extends State<MessageInput>
   }
 
   Widget _buildAttachments() {
-    if (_effectiveController.attachments.isEmpty) return const Offstage();
-    final fileAttachments = _effectiveController.attachments
+    final nonOGAttachments = _effectiveController.attachments.where(
+      (it) => it.titleLink == null,
+    );
+    if (nonOGAttachments.isEmpty) return const Offstage();
+    final fileAttachments = nonOGAttachments
         .where((it) => it.type == 'file')
         .toList(growable: false);
-    final remainingAttachments = _effectiveController.attachments
+    final remainingAttachments = nonOGAttachments
         .where((it) => it.type != 'file')
         .toList(growable: false);
     return Column(

packages/stream_chat_flutter_core/lib/src/message_input_controller.dart

@@ -66,10 +66,7 @@ class MessageInputController extends ValueNotifier<Message> {
   void _textEditingSyncer() {
     final cleanText = value.command == null
         ? value.text
-        : value.text?.replaceFirst(
-            '/${value.command} ',
-            '',
-          );
+        : value.text?.replaceFirst('/${value.command} ', '');
 
     if (cleanText != _textEditingController.text) {
       final previousOffset = _textEditingController.value.selection.start;
@@ -207,7 +204,9 @@ class MessageInputController extends ValueNotifier<Message> {
 
   /// Removes the og attachment.
   void clearOGAttachment() {
-    attachments = [...attachments]..remove(_ogAttachment);
+    if (_ogAttachment != null) {
+      removeAttachment(_ogAttachment!);
+    }
     _ogAttachment = null;
   }