Merge branch 'braid/windows' into 'main'

chore: Windows support

See merge request famedly/fluffychat!949

lib/utils/update_checker_no_store.dart

@@ -0,0 +1,116 @@
+import 'dart:convert';
+import 'dart:io';
+
+import 'package:flutter/foundation.dart';
+import 'package:flutter/material.dart';
+
+import 'package:adaptive_dialog/adaptive_dialog.dart';
+import 'package:flutter_gen/gen_l10n/l10n.dart';
+import 'package:http/http.dart';
+import 'package:matrix/matrix.dart';
+import 'package:path_provider/path_provider.dart';
+
+import 'platform_infos.dart';
+
+/// helper class checking for updates on platforms without store release
+///
+/// Currently, this is only Windows
+class UpdateCheckerNoStore {
+  static const gitLabProjectId = '16112282';
+  static const gitLabHost = 'gitlab.com';
+
+  static Uri get tagsUri => Uri.parse(
+      'https://$gitLabHost/projects/$gitLabProjectId/repository/tags');
+
+  final BuildContext context;
+
+  const UpdateCheckerNoStore(this.context);
+
+  Future<void> checkUpdate() async {
+    // platform-specific implementations
+    try {
+      if (PlatformInfos.isWindows) {
+        final response = await get(tagsUri);
+        if (response.statusCode == 200) {
+          final json = jsonDecode(response.body);
+          var latestTag = json[0]['name'] as String;
+          var currentVersion = await PlatformInfos.getVersion();
+
+          if (latestTag.startsWith('v')) {
+            latestTag = latestTag.substring(1);
+          }
+          if (currentVersion.startsWith('v')) {
+            currentVersion = currentVersion.substring(1);
+          }
+          if (latestTag != currentVersion) {
+            final metadata = UpdateMetadata(latestTag);
+            await showUpdateDialog(metadata);
+          }
+          return;
+        } else {
+          throw response;
+        }
+      } else {
+        return;
+      }
+    } catch (e) {
+      Logs().i('Could not look for updates:', e);
+      return;
+    }
+  }
+
+  Uri downloadUri(UpdateMetadata metadata) {
+    // platform specific
+    if (PlatformInfos.isWindows) {
+      return Uri.parse('https://$gitLabHost/famedly/fluffychat/-'
+          '/jobs/artifacts/$metadata/raw/'
+          'build/windows/runner/Release/fluffychat.msix?job=build_windows');
+    } else {
+      throw UnimplementedError('No download URI available for this platform.');
+    }
+  }
+
+  /// launches an app update
+  ///
+  /// Either uses the operating systems package or app management to perform
+  /// an update or launches a custom installer
+  Future<void> launchUpdater(UpdateMetadata metadata) async {
+    // platform specific
+    try {
+      if (kIsWeb) return;
+      if (PlatformInfos.isWindows) {
+        final dir = await getTemporaryDirectory();
+        final response = await get(downloadUri(metadata));
+        if (response.statusCode == 200) {
+          final file = File(dir.path + '/fluffychat.msix');
+          await file.writeAsBytes(response.bodyBytes);
+          Process.start(file.path, [], runInShell: true);
+        } else {
+          throw response;
+        }
+      }
+    } catch (e) {
+      Logs().w('Error launching th update:', e);
+    }
+  }
+
+  Future<void> showUpdateDialog(UpdateMetadata metadata) async {
+    final result = await showOkCancelAlertDialog(
+      title: L10n.of(context)!.updateAvailable,
+      message: L10n.of(context)!.updateNow,
+      context: context,
+    );
+    if (result == OkCancelResult.ok) {
+      await launchUpdater(metadata);
+    }
+  }
+}
+
+class UpdateMetadata {
+  final String version;
+
+  const UpdateMetadata(this.version);
+
+  @override
+  String toString() => 'v$version';
+}