bvandeusen
7df7b5ff85
Offline writes now queue + apply optimistically instead of throwing. On reconnect, the queue drains automatically; conflicts and rejections surface as one-time SnackBars so the user knows their edit didn't land. - Drift schema v3: `pending_writes` table (verb + payload + baseline + tries + last_error). Negative ids serve as cache placeholders for offline-created rows until replay assigns the server id. - Each write repository (notes, tasks, projects, milestones, events) now catches NetworkException, applies the change to cache (with a fresh `nextTempId()` for creates), and enqueues the API call. - Edits to a still-queued offline-created row coalesce into the original create payload — only one server call per row, in order. - Deletes of still-queued offline-created rows drop the queue entry and the cache row; no server call ever happens. - New WriteQueue service drains the queue oldest-first. Server-wins on `updated_at` baseline check (notes/tasks/projects); last-writer-wins for milestones/events (no getOne available). 4xx → drop + surface as `rejected`; conflict → drop + `overwritten`; 404 on update → drop + `missing`; 5xx/network → keep + retry next online cycle. - Replay fires on AuthStatus → authenticated transitions (cold-start, came-back-online, login). - OfflineBanner shows "Retry (N)" with the pending-writes count. - Distinct ServerException added so 4xx no longer masquerade as NetworkException — the queue can drop them instead of looping. flutter analyze clean; 21 tests pass (3 new for QueueFailure messaging). Phase 4 (read-only UI indicators on cached/temp rows) still ahead. Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
84 lines
2.6 KiB
Dart
84 lines
2.6 KiB
Dart
import 'package:cookie_jar/cookie_jar.dart';
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import 'package:dio/dio.dart';
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import 'package:dio_cookie_manager/dio_cookie_manager.dart';
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import '../../core/exceptions.dart';
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PersistCookieJar buildCookieJar(String cookiesPath) =>
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PersistCookieJar(storage: FileStorage('$cookiesPath/.cookies/'));
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Dio buildDio(String baseUrl, PersistCookieJar cookieJar) {
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final dio = Dio(BaseOptions(
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baseUrl: baseUrl,
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connectTimeout: const Duration(seconds: 10),
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receiveTimeout: const Duration(seconds: 30),
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headers: {'Content-Type': 'application/json'},
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));
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dio.interceptors.add(CookieManager(cookieJar));
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dio.interceptors.add(_ErrorInterceptor());
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return dio;
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}
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class _ErrorInterceptor extends Interceptor {
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@override
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void onError(DioException err, ErrorInterceptorHandler handler) {
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if (err.response?.statusCode == 401) {
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handler.reject(DioException(
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requestOptions: err.requestOptions,
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error: const AuthException('Session expired. Please log in again.'),
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type: err.type,
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response: err.response,
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));
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return;
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}
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if (err.type == DioExceptionType.connectionTimeout ||
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err.type == DioExceptionType.connectionError) {
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handler.reject(DioException(
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requestOptions: err.requestOptions,
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error: const NetworkException('Cannot reach server. Check your connection.'),
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type: err.type,
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response: err.response,
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));
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return;
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}
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if (err.type == DioExceptionType.receiveTimeout ||
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err.type == DioExceptionType.sendTimeout) {
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handler.reject(DioException(
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requestOptions: err.requestOptions,
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error: const AppException('Request timed out. The server is taking too long to respond.'),
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type: err.type,
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response: err.response,
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));
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return;
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}
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handler.next(err);
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}
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}
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AppException dioToApp(DioException e) {
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if (e.error is AppException) return e.error as AppException;
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final status = e.response?.statusCode;
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if (status == 401) return const AuthException('Not authenticated.');
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if (status == 404) return const NotFoundException('Resource not found.');
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if (status != null && status >= 400) {
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final msg = _extractServerErrorMessage(e.response) ??
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'Request failed (HTTP $status).';
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return ServerException(msg, status);
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}
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return NetworkException(e.message ?? 'Unknown network error.');
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}
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String? _extractServerErrorMessage(Response? resp) {
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final data = resp?.data;
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if (data is Map<String, dynamic>) {
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for (final key in const ['detail', 'error', 'message']) {
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final value = data[key];
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if (value is String && value.isNotEmpty) return value;
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}
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}
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return null;
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}
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