Initial commit

lib/utils/room_status_extension.dart

@@ -0,0 +1,62 @@
+// SPDX-FileCopyrightText: 2019-Present Christian Kußowski
+// SPDX-FileCopyrightText: 2019-Present Contributors to FluffyChat
+//
+// SPDX-License-Identifier: AGPL-3.0-or-later
+
+import 'package:tatchat/l10n/l10n.dart';
+import 'package:flutter/widgets.dart';
+import 'package:matrix/matrix.dart';
+
+import '../config/app_config.dart';
+
+extension RoomStatusExtension on Room {
+  String getLocalizedTypingText(BuildContext context) {
+    var typingText = '';
+    final typingUsers = this.typingUsers;
+    typingUsers.removeWhere((User u) => u.id == client.userID);
+
+    if (AppConfig.hideTypingUsernames) {
+      typingText = L10n.of(context).isTyping;
+      if (typingUsers.first.id != directChatMatrixID) {
+        typingText = L10n.of(context).numUsersTyping(typingUsers.length);
+      }
+    } else if (typingUsers.length == 1) {
+      typingText = L10n.of(context).isTyping;
+      if (typingUsers.first.id != directChatMatrixID) {
+        typingText = L10n.of(
+          context,
+        ).userIsTyping(typingUsers.first.calcDisplayname());
+      }
+    } else if (typingUsers.length == 2) {
+      typingText = L10n.of(context).userAndUserAreTyping(
+        typingUsers.first.calcDisplayname(),
+        typingUsers[1].calcDisplayname(),
+      );
+    } else if (typingUsers.length > 2) {
+      typingText = L10n.of(context).userAndOthersAreTyping(
+        typingUsers.first.calcDisplayname(),
+        (typingUsers.length - 1),
+      );
+    }
+    return typingText;
+  }
+
+  List<User> getSeenByUsers(Timeline timeline, {String? eventId}) {
+    if (timeline.events.isEmpty) return [];
+    eventId ??= timeline.events.first.eventId;
+
+    final lastReceipts = <User>{};
+    // now we iterate the timeline events until we hit the first rendered event
+    for (final event in timeline.events) {
+      lastReceipts.addAll(event.receipts.map((r) => r.user));
+      if (event.eventId == eventId) {
+        break;
+      }
+    }
+    lastReceipts.removeWhere(
+      (user) =>
+          user.id == client.userID || user.id == timeline.events.first.senderId,
+    );
+    return lastReceipts.toList();
+  }
+}