feat(ui): Added StreamMessageInput.ogPreviewFilter to allow users to filter out the og preview links.

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

packages/stream_chat_flutter/CHANGELOG.md

@@ -7,19 +7,41 @@
 - [#1505](https://github.com/GetStream/stream-chat-flutter/issues/1505) Fixed Message bubble disappears for Hangul
   Consonants.
 
+✅ 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
 
-- [#1456](https://github.com/GetStream/stream-chat-flutter/issues/1456) Fixed logic for showing that a message was read using sending indicator.
+- [#1456](https://github.com/GetStream/stream-chat-flutter/issues/1456) Fixed logic for showing that a message was read
-- [#1462](https://github.com/GetStream/stream-chat-flutter/issues/1462) Fixed support for iPad in the share button for images. 
+  using sending indicator.
+- [#1462](https://github.com/GetStream/stream-chat-flutter/issues/1462) Fixed support for iPad in the share button for
+  images.
 - [#1475](https://github.com/GetStream/stream-chat-flutter/issues/1475) Fixed typo to fix compilation.
 
 ✅ Added
 
 - Now it is possible to customize the max lines of the title of a url attachment. Before it was always 1 line.
-- Added `attachmentActionsModalBuilder` parameter to `StreamMessageWidget` that allows to customize `AttachmentActionsModal`.
+- Added `attachmentActionsModalBuilder` parameter to `StreamMessageWidget` that allows to
-- Added `StreamMessageInput.sendMessageKeyPredicate` and `StreamMessageInput.clearQuotedMessageKeyPredicate` to customize the keys used to send and clear the quoted message.
+  customize `AttachmentActionsModal`.
+- Added `StreamMessageInput.sendMessageKeyPredicate` and `StreamMessageInput.clearQuotedMessageKeyPredicate` to
+  customize the keys used to send and clear the quoted message.
 
 🔄 Changed
 
@@ -27,6 +49,7 @@
 
 🚀 Improved
 - 
+
 - Improved draw of reaction options. [#1455](https://github.com/GetStream/stream-chat-flutter/pull/1455)
 
 ## 5.3.0
@@ -36,17 +59,22 @@
 - Updated `photo_manager` dependency to `^2.5.2`
 
 🐞 Fixed
-- [[#1424]](https://github.com/GetStream/stream-chat-flutter/issues/1424) Fixed a render issue when showing messages starting with 4 whitespaces.
+
+- [[#1424]](https://github.com/GetStream/stream-chat-flutter/issues/1424) Fixed a render issue when showing messages
+  starting with 4 whitespaces.
 - Fixed a bug where the `AttachmentPickerBottomSheet` was not able to identify the mobile browser.
 - Fixed uploading files on Windows - fixed temp file path.
 
 ✅ Added
+
 - New `noPhotoOrVideoLabel` displayed when there is no files to choose.
 
 ## 5.2.0
 
 ✅ Added
-- Added a new `bottomRowBuilderWithDefaultWidget` parameter to `StreamMessageWidget` which contains a third parameter (default `BottomRow` widget with `copyWith` method available) to allow easier customization.
+
+- Added a new `bottomRowBuilderWithDefaultWidget` parameter to `StreamMessageWidget` which contains a third parameter (
+  default `BottomRow` widget with `copyWith` method available) to allow easier customization.
 
 🔄 Changed
 
@@ -56,14 +84,20 @@
 - Updated `dart_vlc` dependency to `^0.4.0`
 - Updated `file_picker` dependency to `^5.2.4`
 - Deprecated `StreamMessageWidget.bottomRowBuilder` in favor of `StreamMessageWidget.bottomRowBuilderWithDefaultWidget`.
-- Deprecated `StreamMessageWidget.deletedBottomRowBuilder` in favor of `StreamMessageWidget.bottomRowBuilderWithDefaultWidget`.
+- Deprecated `StreamMessageWidget.deletedBottomRowBuilder` in favor
+  of `StreamMessageWidget.bottomRowBuilderWithDefaultWidget`.
 - Deprecated `StreamMessageWidget.usernameBuilder` in favor of `StreamMessageWidget.bottomRowBuilderWithDefaultWidget`.
 
 🐞 Fixed
-- [[#1379]](https://github.com/GetStream/stream-chat-flutter/issues/1379) Fixed "Issues with photo attachments on web", where the cached image attachment would not render while uploading.
+
-- Fix render overflow issue with `MessageSearchListTileTitle`. It now uses `Text.rich` instead of `Row`. Better default behaviour and allows `TextOverflow`.
+- [[#1379]](https://github.com/GetStream/stream-chat-flutter/issues/1379) Fixed "Issues with photo attachments on web",
-- [[1346]](https://github.com/GetStream/stream-chat-flutter/issues/1346) Fixed a render issue while uploading video on web.
+  where the cached image attachment would not render while uploading.
-- [[#1347]](https://github.com/GetStream/stream-chat-flutter/issues/1347) `onReply` not working in `AttachmentActionsModal` which is used by `StreamImageAttachment` and `StreamImageGroup`.
+- Fix render overflow issue with `MessageSearchListTileTitle`. It now uses `Text.rich` instead of `Row`. Better default
+  behaviour and allows `TextOverflow`.
+- [[1346]](https://github.com/GetStream/stream-chat-flutter/issues/1346) Fixed a render issue while uploading video on
+  web.
+- [[#1347]](https://github.com/GetStream/stream-chat-flutter/issues/1347) `onReply` not working
+  in `AttachmentActionsModal` which is used by `StreamImageAttachment` and `StreamImageGroup`.
 
 ## 5.1.0
 

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()
+    final matchedUrls = _urlRegex.allMatches(value).where((it) {
-      ..removeWhere((it) {
+      final _parsedMatch = Uri.tryParse(it.group(0) ?? '')?.withScheme;
-        final _parsedMatch = Uri.tryParse(it.group(0) ?? '')?.withScheme;
+      if (_parsedMatch == null) return false;
-        return _parsedMatch?.host.split('.').last.isValidTLD() == 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 ||