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

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Signed-off-by: xsahil03x <[email protected]>
This commit is contained in:
Sahil Kumar
2023-05-01 19:41:56 +05:30
committed by xsahil03x
parent 96298d4616
commit 0abacb3769
2 changed files with 72 additions and 16 deletions
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packages/stream_chat_flutter/lib/src/message_input/stream_message_input.dart
+27 -5
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@@ -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 ||