implemented in-chat search with text highlighting, added search navigation UI, and integrated scrollable list for message jumping

2026-05-09 22:21:36 +02:00
parent b36d1e02f5
commit 4c190de479
9 changed files with 698 additions and 36 deletions
@@ -0,0 +1,49 @@
+import '../../../../api/marianumcloud/talk/chat/get_chat_response.dart';
+import '../../../../api/marianumcloud/talk/chat/rich_object_string_processor.dart';
+import '../../../../api/marianumcloud/talk/room/get_room_response.dart';
+
+class ChatSearchMatch {
+  final int messageId;
+  final int timestamp;
+
+  const ChatSearchMatch({required this.messageId, required this.timestamp});
+}
+
+class ChatSearchController {
+  static List<ChatSearchMatch> findMatches(
+    GetChatResponse response,
+    String query,
+  ) {
+    final q = query.trim().toLowerCase();
+    if (q.isEmpty) return const [];
+
+    final matches = <ChatSearchMatch>[];
+    for (final element in response.sortByTimestamp()) {
+      if (element.systemMessage.contains('reaction')) continue;
+      if (element.systemMessage.contains('poll_voted')) continue;
+
+      final haystackText = RichObjectStringProcessor.parseToString(
+        element.message,
+        element.messageParameters,
+      ).toLowerCase();
+
+      var matched = haystackText.contains(q);
+      if (!matched &&
+          element.messageType != GetRoomResponseObjectMessageType.system) {
+        matched = element.actorDisplayName.toLowerCase().contains(q);
+      }
+
+      if (matched) {
+        matches.add(
+          ChatSearchMatch(
+            messageId: element.id,
+            timestamp: element.timestamp,
+          ),
+        );
+      }
+    }
+
+    matches.sort((a, b) => b.timestamp.compareTo(a.timestamp));
+    return matches;
+  }
+}