9b08b2896c
- Implement EmergencyService for handling emergency contacts per trip. - Create GuestFlagService to manage guest mode flags for trips. - Introduce NotificationService with local notification capabilities. - Add OfflineFlagService for managing offline caching flags. - Develop PackingService for shared packing lists per trip. - Implement ReminderService for managing reminders/to-dos per trip. - Create SosService for dispatching SOS events to a backend. - Add StorageService with album image upload functionality. - Implement TransportService for managing transport segments per trip. - Create TripChecklistService for storing and retrieving trip checklists. - Add TripDocumentService for persisting trip documents metadata. test: Add unit tests for new services - Implement tests for AlbumService, BudgetService, EmergencyService, GuestFlagService, PackingService, ReminderService, SosService, TransportService, TripChecklistService, and TripDocumentService. - Ensure tests cover adding, loading, deleting, and handling corrupted payloads for each service.
73 lines
2.1 KiB
Dart
73 lines
2.1 KiB
Dart
import 'package:shared_preferences/shared_preferences.dart';
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import 'package:travel_mate/models/budget_category.dart';
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/// Service to manage per-trip budget envelopes (multi-devise) locally.
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///
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/// Stores envelopes in `SharedPreferences` under `budget_<tripId>` so they
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/// remain available offline. Integration with expense data can later update
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/// the [spent] field.
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class BudgetService {
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/// Loads budget categories for the trip.
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Future<List<BudgetCategory>> loadBudgets(String tripId) async {
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final prefs = await SharedPreferences.getInstance();
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final raw = prefs.getString(_key(tripId));
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if (raw == null) return const [];
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try {
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return BudgetCategory.decodeList(raw);
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} catch (_) {
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await prefs.remove(_key(tripId));
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return const [];
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}
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}
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/// Persists full list.
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Future<void> saveBudgets(
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String tripId,
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List<BudgetCategory> categories,
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) async {
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final prefs = await SharedPreferences.getInstance();
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await prefs.setString(_key(tripId), BudgetCategory.encodeList(categories));
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}
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/// Adds an envelope.
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Future<List<BudgetCategory>> addBudget(
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String tripId,
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BudgetCategory category,
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) async {
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final current = await loadBudgets(tripId);
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final updated = [...current, category];
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await saveBudgets(tripId, updated);
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return updated;
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}
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/// Deletes an envelope.
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Future<List<BudgetCategory>> deleteBudget(
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String tripId,
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String categoryId,
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) async {
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final current = await loadBudgets(tripId);
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final updated = current.where((c) => c.id != categoryId).toList();
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await saveBudgets(tripId, updated);
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return updated;
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}
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/// Updates spent amount for a category (used later by expense sync).
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Future<List<BudgetCategory>> updateSpent(
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String tripId,
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String categoryId,
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double spent,
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) async {
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final current = await loadBudgets(tripId);
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final updated = current
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.map((c) {
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if (c.id != categoryId) return c;
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return c.copyWith(spent: spent);
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})
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.toList(growable: false);
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await saveBudgets(tripId, updated);
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return updated;
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}
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String _key(String tripId) => 'budget_$tripId';
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}
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