Initial commit

lib/pages/chat_search/chat_search_page.dart

@@ -0,0 +1,143 @@
+// SPDX-FileCopyrightText: 2019-Present Christian Kußowski
+// SPDX-FileCopyrightText: 2019-Present Contributors to FluffyChat
+//
+// SPDX-License-Identifier: AGPL-3.0-or-later
+
+import 'package:tatchat/pages/chat_search/chat_search_view.dart';
+import 'package:tatchat/widgets/matrix.dart';
+import 'package:material_ui/material_ui.dart';
+import 'package:matrix/matrix.dart';
+
+class ChatSearchPage extends StatefulWidget {
+  final String roomId;
+  const ChatSearchPage({required this.roomId, super.key});
+
+  @override
+  ChatSearchController createState() => ChatSearchController();
+}
+
+class ChatSearchController extends State<ChatSearchPage>
+    with SingleTickerProviderStateMixin {
+  Room? get room => Matrix.of(context).client.getRoomById(widget.roomId);
+
+  final TextEditingController searchController = TextEditingController();
+  late final TabController tabController;
+
+  final List<Event> messages = [];
+  final List<Event> images = [];
+  final List<Event> files = [];
+  String? messagesNextBatch, imagesNextBatch, filesNextBatch;
+  bool messagesEndReached = false;
+  bool imagesEndReached = false;
+  bool filesEndReached = false;
+  bool isLoading = false;
+  DateTime? searchedUntil;
+
+  void restartSearch() {
+    setState(() {
+      messages.clear();
+      images.clear();
+      files.clear();
+      messagesNextBatch = imagesNextBatch = filesNextBatch = searchedUntil =
+          null;
+      messagesEndReached = imagesEndReached = filesEndReached = false;
+    });
+    WidgetsBinding.instance.addPostFrameCallback((timeStamp) {
+      startSearch();
+    });
+  }
+
+  Future<void> startSearch() async {
+    switch (tabController.index) {
+      case 0:
+        final searchQuery = searchController.text.trim();
+        if (searchQuery.isEmpty) return;
+        setState(() {
+          isLoading = true;
+        });
+        final result = await room!.searchEvents(
+          searchTerm: searchController.text.trim(),
+          nextBatch: messagesNextBatch,
+        );
+        setState(() {
+          isLoading = false;
+          messages.addAll(result.events);
+          messagesNextBatch = result.nextBatch;
+          messagesEndReached = result.nextBatch == null;
+          searchedUntil = result.searchedUntil;
+        });
+        return;
+      case 1:
+        setState(() {
+          isLoading = true;
+        });
+        final result = await room!.searchEvents(
+          searchFunc: (event) => {
+            MessageTypes.Image,
+            MessageTypes.Video,
+          }.contains(event.messageType),
+          nextBatch: imagesNextBatch,
+        );
+        setState(() {
+          isLoading = false;
+          images.addAll(result.events);
+          imagesNextBatch = result.nextBatch;
+          imagesEndReached = result.nextBatch == null;
+          searchedUntil = result.searchedUntil;
+        });
+        return;
+      case 2:
+        setState(() {
+          isLoading = true;
+        });
+        final result = await room!.searchEvents(
+          searchFunc: (event) =>
+              event.messageType == MessageTypes.File ||
+              (event.messageType == MessageTypes.Audio &&
+                  !event.content.containsKey('org.matrix.msc3245.voice')),
+          nextBatch: filesNextBatch,
+        );
+        setState(() {
+          isLoading = false;
+          files.addAll(result.events);
+          filesNextBatch = result.nextBatch;
+          filesEndReached = result.nextBatch == null;
+          searchedUntil = result.searchedUntil;
+        });
+        return;
+      default:
+        return;
+    }
+  }
+
+  void _onTabChanged() {
+    switch (tabController.index) {
+      case 1:
+      case 2:
+        startSearch();
+        break;
+      case 0:
+      default:
+        restartSearch();
+        break;
+    }
+  }
+
+  @override
+  void initState() {
+    super.initState();
+    tabController = TabController(initialIndex: 0, length: 3, vsync: this);
+    tabController.addListener(_onTabChanged);
+  }
+
+  @override
+  void dispose() {
+    tabController.removeListener(_onTabChanged);
+    searchController.dispose();
+    tabController.dispose();
+    super.dispose();
+  }
+
+  @override
+  Widget build(BuildContext context) => ChatSearchView(this);
+}