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worker/lib/features/account/data/datasources/location_local_datasource.dart
Phuoc Nguyen 0dda402246 update address
2025-11-18 17:04:00 +07:00

138 lines
3.5 KiB
Dart

/// Location Local Data Source
///
/// Handles Hive caching for cities and wards.
library;
import 'package:hive_ce/hive.dart';
import 'package:worker/core/constants/storage_constants.dart';
import 'package:worker/core/database/hive_service.dart';
import 'package:worker/features/account/data/models/city_model.dart';
import 'package:worker/features/account/data/models/ward_model.dart';
/// Location Local Data Source
///
/// Provides offline-first caching for cities and wards using Hive.
class LocationLocalDataSource {
final HiveService _hiveService;
LocationLocalDataSource(this._hiveService);
// ============================================================================
// CITIES
// ============================================================================
/// Get city box
Box<dynamic> get _cityBox => _hiveService.getBox(HiveBoxNames.cityBox);
/// Get all cached cities
List<CityModel> getCities() {
try {
final cities = _cityBox.values.whereType<CityModel>().toList();
return cities;
} catch (e) {
return [];
}
}
/// Save cities to cache
Future<void> saveCities(List<CityModel> cities) async {
try {
// Only clear if there are existing cities
if (_cityBox.isNotEmpty) {
await _cityBox.clear();
}
for (final city in cities) {
await _cityBox.put(city.code, city);
}
} catch (e) {
rethrow;
}
}
/// Get city by code
CityModel? getCityByCode(String code) {
try {
return _cityBox.get(code) as CityModel?;
} catch (e) {
return null;
}
}
/// Check if cities are cached
bool hasCities() {
return _cityBox.isNotEmpty;
}
// ============================================================================
// WARDS
// ============================================================================
/// Get ward box
Box<dynamic> get _wardBox => _hiveService.getBox(HiveBoxNames.wardBox);
/// Get cached wards for a city
///
/// Wards are stored with key: "cityCode_wardCode"
List<WardModel> getWards(String cityCode) {
try {
final wards = _wardBox.values
.whereType<WardModel>()
.where((ward) {
// Check if this ward belongs to the city
final key = '${cityCode}_${ward.code}';
return _wardBox.containsKey(key);
})
.toList();
return wards;
} catch (e) {
return [];
}
}
/// Save wards for a specific city to cache
Future<void> saveWards(String cityCode, List<WardModel> wards) async {
try {
// Remove old wards for this city (only if they exist)
final keysToDelete = _wardBox.keys
.where((key) => key.toString().startsWith('${cityCode}_'))
.toList();
if (keysToDelete.isNotEmpty) {
for (final key in keysToDelete) {
await _wardBox.delete(key);
}
}
// Save new wards
for (final ward in wards) {
final key = '${cityCode}_${ward.code}';
await _wardBox.put(key, ward);
}
} catch (e) {
rethrow;
}
}
/// Check if wards are cached for a city
bool hasWards(String cityCode) {
return _wardBox.keys.any((key) => key.toString().startsWith('${cityCode}_'));
}
/// Clear all cached data
Future<void> clearAll() async {
try {
// Only clear if boxes are not empty
if (_cityBox.isNotEmpty) {
await _cityBox.clear();
}
if (_wardBox.isNotEmpty) {
await _wardBox.clear();
}
} catch (e) {
rethrow;
}
}
}