add send-links capability with translation

packages/stream_chat_flutter/lib/src/localization/translations.dart

@@ -144,6 +144,12 @@ abstract class Translations {
   /// The label for "OK"
   String get okLabel;
 
+  /// The label for a link disabled error
+  String get linkDisabledError;
+
+  /// The additional info on a link disabled error
+  String get linkDisabledDetails;
+
   /// The label for "add more files"
   String get addMoreFilesLabel;
 
@@ -692,4 +698,11 @@ class DefaultTranslations implements Translations {
   @override
   String attachmentLimitExceedError(int limit) => """
 Attachment limit exceeded: it's not possible to add more than $limit attachments""";
+
+  @override
+  String get linkDisabledDetails =>
+      'Sending links is not allowed in this conversation.';
+
+  @override
+  String get linkDisabledError => 'Links are disabled';
 }

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

@@ -928,7 +928,9 @@ class MessageInputState extends State<MessageInput>
         _actionsShrunk = value.isNotEmpty && actionsLength > 1;
       });
 
-      _checkContainsUrl(value, context);
+      if (channel.ownCapabilities.contains(PermissionType.sendLinks)) {
+        _checkContainsUrl(value, context);
+      }
       _checkCommands(value, context);
       _checkMentions(value, context);
       _checkEmoji(value, context);
@@ -1646,9 +1648,25 @@ class MessageInputState extends State<MessageInput>
 
   /// Sends the current message
   Future<void> sendMessage() async {
-    final skipEnrichUrl = _effectiveController.ogAttachment == null;
-
+    final streamChannel = StreamChannel.of(context);
     var message = _effectiveController.value;
+    if (!streamChannel.channel.ownCapabilities
+            .contains(PermissionType.sendLinks) &&
+        _urlRegex.hasMatch(message.text ?? '')) {
+      showInfoDialog(
+        context,
+        icon: StreamSvgIcon.error(
+          color: StreamChatTheme.of(context).colorTheme.accentError,
+          size: 24,
+        ),
+        title: 'Links are disabled',
+        details: 'Sending links is not allowed in this conversation.',
+        okText: context.translations.okLabel,
+      );
+      return;
+    }
+
+    final skipEnrichUrl = _effectiveController.ogAttachment == null;
 
     var shouldKeepFocus = widget.shouldKeepFocusAfterMessage;
 
@@ -1660,7 +1678,6 @@ class MessageInputState extends State<MessageInput>
       message = await widget.preMessageSending!(message);
     }
 
-    final streamChannel = StreamChannel.of(context);
     final channel = streamChannel.channel;
     if (!channel.state!.isUpToDate) {
       await streamChannel.reloadChannel();

packages/stream_chat_localizations/example/lib/add_new_lang.dart

@@ -396,6 +396,13 @@ class NnStreamChatLocalizations extends GlobalStreamChatLocalizations {
 
   @override
   String get slowModeOnLabel => 'Slow mode ON';
+
+  @override
+  String get linkDisabledDetails =>
+      'Sending links is not allowed in this conversation.';
+
+  @override
+  String get linkDisabledError => 'Links are disabled';
 }
 
 void main() async {

packages/stream_chat_localizations/lib/src/stream_chat_localizations_en.dart

@@ -372,4 +372,11 @@ class StreamChatLocalizationsEn extends GlobalStreamChatLocalizations {
 
   @override
   String get slowModeOnLabel => 'Slow mode ON';
+
+  @override
+  String get linkDisabledDetails =>
+      'Sending links is not allowed in this conversation.';
+
+  @override
+  String get linkDisabledError => 'Links are disabled';
 }

packages/stream_chat_localizations/lib/src/stream_chat_localizations_es.dart

@@ -378,4 +378,11 @@ No es posible añadir más de $limit archivos adjuntos
 
   @override
   String get slowModeOnLabel => 'Modo lento activado';
+
+  @override
+  String get linkDisabledDetails =>
+      'No se permite enviar enlaces en esta conversación.';
+
+  @override
+  String get linkDisabledError => 'Los enlaces están deshabilitados';
 }

packages/stream_chat_localizations/lib/src/stream_chat_localizations_fr.dart

@@ -377,4 +377,11 @@ Limite de pièces jointes dépassée : il n'est pas possible d'ajouter plus de $
 
   @override
   String get slowModeOnLabel => 'Mode lent activé';
+
+  @override
+  String get linkDisabledDetails =>
+      'L\'envoi de liens n\'est pas autorisé dans cette conversation.';
+
+  @override
+  String get linkDisabledError => 'Les liens sont désactivés';
 }

packages/stream_chat_localizations/lib/src/stream_chat_localizations_hi.dart

@@ -371,4 +371,11 @@ class StreamChatLocalizationsHi extends GlobalStreamChatLocalizations {
 
   @override
   String get slowModeOnLabel => 'स्लो मोड चालू';
+
+  @override
+  String get linkDisabledDetails =>
+      'इस बातचीत में लिंक भेजने की अनुमति नहीं है.';
+
+  @override
+  String get linkDisabledError => 'लिंक भेजना प्रतिबंधित';
 }

packages/stream_chat_localizations/lib/src/stream_chat_localizations_it.dart

@@ -374,4 +374,11 @@ Attenzione: il limite massimo di $limit file è stato superato.
 
   @override
   String get slowModeOnLabel => 'Slowmode attiva';
+
+  @override
+  String get linkDisabledDetails =>
+      'Non è permesso condividere link in questa convesazione.';
+
+  @override
+  String get linkDisabledError => 'I links sono disattivati';
 }

packages/stream_chat_localizations/lib/src/stream_chat_localizations_ja.dart

@@ -357,4 +357,10 @@ class StreamChatLocalizationsJa extends GlobalStreamChatLocalizations {
   String attachmentLimitExceedError(int limit) => '''
 添付ファイルの制限を超えました：$limit個のファイル以上を添付することはできません
   ''';
+
+  @override
+  String get linkDisabledDetails => 'この会話では、リンクの送信は許可されていません。';
+
+  @override
+  String get linkDisabledError => 'リンクが無効になっています';
 }

packages/stream_chat_localizations/lib/src/stream_chat_localizations_ko.dart

@@ -357,4 +357,10 @@ class StreamChatLocalizationsKo extends GlobalStreamChatLocalizations {
   @override
   String attachmentLimitExceedError(int limit) =>
       '첨부 파일 제한 초과: $limit 이상의 첨부 파일을 추가할 수 없습니다';
+
+  @override
+  String get linkDisabledDetails => '이 대화에서는 링크를 보낼 수 없습니다.';
+
+  @override
+  String get linkDisabledError => '링크가 비활성화되었습니다.';
 }