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Add local data store adapter layer and Hive scaffold

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This commit is contained in:
Rijad Zuzo
2026-02-15 19:05:20 +01:00
parent 2a7d039475
commit 21c911ad4c
13 changed files with 328 additions and 19 deletions
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lib/features/local/local_repository.dart
+30 -19
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@@ -2,15 +2,14 @@ import 'dart:convert';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:relationship_saver/features/local/local_models.dart';
import 'package:relationship_saver/features/local/storage/local_data_store.dart';
import 'package:relationship_saver/features/local/storage/local_data_store_provider.dart';
import 'package:relationship_saver/features/sync/sync_queue_repository.dart';
import 'package:relationship_saver/integrations/backend/models/backend_models.dart';
import 'package:shared_preferences/shared_preferences.dart';
import 'package:uuid/uuid.dart';
/// Persisted local data source for offline-first product state.
class LocalRepository extends AsyncNotifier<LocalDataState> {
static const String _storageKey = 'local_data_state_v1';
static const String _schemaVersionKey = 'local_data_schema_version';
static const int _schemaVersion = 2;
static const int _syncSchemaVersion = 1;
@@ -18,18 +17,18 @@ class LocalRepository extends AsyncNotifier<LocalDataState> {
@override
Future<LocalDataState> build() async {
final SharedPreferences prefs = await SharedPreferences.getInstance();
await _migrateIfNeeded(prefs);
final String? raw = prefs.getString(_storageKey);
if (raw == null || raw.isEmpty) {
final LocalDataStore store = ref.read(localDataStoreProvider);
final LocalDataRecord? record = await store.read();
if (record == null || record.rawState.isEmpty) {
final LocalDataState seeded = LocalDataState.seed();
await _persist(seeded);
return seeded;
}
final LocalDataRecord migrated = await _migrateIfNeeded(record);
try {
final Map<String, dynamic> json = jsonDecode(raw) as Map<String, dynamic>;
final Map<String, dynamic> json =
jsonDecode(migrated.rawState) as Map<String, dynamic>;
return LocalDataState.fromJson(json);
} on FormatException {
final LocalDataState fallback = LocalDataState.seed();
@@ -882,25 +881,37 @@ class LocalRepository extends AsyncNotifier<LocalDataState> {
}
Future<void> _persist(LocalDataState state) async {
final SharedPreferences prefs = await SharedPreferences.getInstance();
await prefs.setString(_storageKey, jsonEncode(state.toJson()));
await prefs.setInt(_schemaVersionKey, _schemaVersion);
await ref
.read(localDataStoreProvider)
.write(
rawState: jsonEncode(state.toJson()),
schemaVersion: _schemaVersion,
);
}
Future<void> _migrateIfNeeded(SharedPreferences prefs) async {
final int currentVersion = prefs.getInt(_schemaVersionKey) ?? 0;
Future<LocalDataRecord> _migrateIfNeeded(LocalDataRecord record) async {
final int currentVersion = record.schemaVersion;
if (currentVersion == _schemaVersion) {
return;
return record;
}
final LocalDataStore store = ref.read(localDataStoreProvider);
if (currentVersion <= 0) {
await prefs.remove(_storageKey);
await prefs.setInt(_schemaVersionKey, _schemaVersion);
return;
final LocalDataState seeded = LocalDataState.seed();
await store.clear();
await _persist(seeded);
return LocalDataRecord(
rawState: jsonEncode(seeded.toJson()),
schemaVersion: _schemaVersion,
);
}
// Migration placeholder for future schema versions.
await prefs.setInt(_schemaVersionKey, _schemaVersion);
await store.write(rawState: record.rawState, schemaVersion: _schemaVersion);
return LocalDataRecord(
rawState: record.rawState,
schemaVersion: _schemaVersion,
);
}
String _titleFromSummary(String summary) {