Merge branch 'develop' into fix/edit-message-input-builder

packages/stream_chat_flutter/CHANGELOG.md

@@ -10,6 +10,24 @@
 - [[#1490]](https://github.com/GetStream/stream-chat-flutter/issues/1490) Fixed `editMessageInputBuilder` property not
   used in message edit widget.
 
+✅ Added
+
+- Added `StreamMessageInput.ogPreviewFilter` to allow users to filter out the og preview
+  links. [#1338](https://github.com/GetStream/stream-chat-flutter/issues/1338)
+
+  ```dart
+  StreamMessageInput(
+    ogPreviewFilter: (matchedUri, messageText) {
+      final url = matchedUri.toString();
+      if (url.contains('giphy.com')) {
+        // Return false to prevent the OG preview from being built.
+        return false;
+      }
+      // Return true to build the OG preview.
+      return true;
+  ),
+  ```
+
 ## 6.0.0
 
 🐞 Fixed

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

@@ -25,6 +25,13 @@ import 'package:stream_chat_flutter/stream_chat_flutter.dart';
 const _kCommandTrigger = '/';
 const _kMentionTrigger = '@';
 
+/// Signature for the function that determines if a [matchedUri] should be
+/// previewed as an OG Attachment.
+typedef OgPreviewFilter = bool Function(
+  Uri matchedUri,
+  String messageText,
+);
+
 /// Inactive state:
 ///
 /// ![screenshot](https://raw.githubusercontent.com/GetStream/stream-chat-flutter/master/packages/stream_chat_flutter/screenshots/message_input.png)
@@ -114,6 +121,7 @@ class StreamMessageInput extends StatefulWidget {
     this.sendMessageKeyPredicate = _defaultSendMessageKeyPredicate,
     this.clearQuotedMessageKeyPredicate =
         _defaultClearQuotedMessageKeyPredicate,
+    this.ogPreviewFilter = _defaultOgPreviewFilter,
   });
 
   /// The predicate used to send a message on desktop/web
@@ -259,6 +267,18 @@ class StreamMessageInput extends StatefulWidget {
   /// Callback for when the quoted message is cleared
   final VoidCallback? onQuotedMessageCleared;
 
+  /// The filter used to determine if a link should be shown as an OpenGraph
+  /// preview.
+  final OgPreviewFilter ogPreviewFilter;
+
+  static bool _defaultOgPreviewFilter(
+    Uri matchedUri,
+    String messageText,
+  ) {
+    // Show the preview for all links
+    return true;
+  }
+
   static bool _defaultValidator(Message message) =>
       message.text?.isNotEmpty == true || message.attachments.isNotEmpty;
 
@@ -990,11 +1010,13 @@ class StreamMessageInputState extends State<StreamMessageInput>
     if (_lastSearchedContainsUrlText == value) return;
     _lastSearchedContainsUrlText = value;
 
-    final matchedUrls = _urlRegex.allMatches(value).toList()
-      ..removeWhere((it) {
-        final _parsedMatch = Uri.tryParse(it.group(0) ?? '')?.withScheme;
-        return _parsedMatch?.host.split('.').last.isValidTLD() == false;
-      });
+    final matchedUrls = _urlRegex.allMatches(value).where((it) {
+      final _parsedMatch = Uri.tryParse(it.group(0) ?? '')?.withScheme;
+      if (_parsedMatch == null) return false;
+
+      return _parsedMatch.host.split('.').last.isValidTLD() &&
+          widget.ogPreviewFilter.call(_parsedMatch, value);
+    }).toList();
 
     // Reset the og attachment if the text doesn't contain any url
     if (matchedUrls.isEmpty ||