30367266598

Committed 28 Jul 2026 02:12PM UTC coverage: 55.599%. Remained the same

Build # 30367266598

Build Type

Pull #1281

github

Committed by

rolandgeider

Commit Message

Merge remote-tracking branch 'origin/master' into dependabot/pub/powersync-2.3.2

Pull Request Pull Request #1281: Bump powersync from 2.3.1 to 2.3.2

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22.03

/lib/database/powersync/powersync.dart

/*
 * This file is part of wger Workout Manager <https://github.com/wger-project>.
 * Copyright (c)  2026 wger Team
 *
 * wger Workout Manager is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

import 'dart:io';

import 'package:flutter/foundation.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:http/http.dart' as http;
import 'package:logging/logging.dart';
import 'package:path/path.dart';
import 'package:path_provider/path_provider.dart';
import 'package:powersync/powersync.dart';
import 'package:riverpod_annotation/riverpod_annotation.dart';
import 'package:stream_transform/stream_transform.dart';
import 'package:wger/core/network/auth_http_client.dart';
import 'package:wger/core/network/network_provider.dart';
import 'package:wger/core/network/wger_base.dart';
import 'package:wger/powersync/api_client.dart';
import 'package:wger/powersync/connector.dart';
import 'package:wger/powersync/schema.dart';
import 'package:wger/powersync/sync_watchdog.dart';

part 'powersync.g.dart';

final _logger = Logger('powersync');

PowerSyncDatabase? _builtInstance;

/// The PowerSync database once [powerSyncInstanceProvider] has finished
/// building, otherwise null.
///
/// Synchronous, build-free accessor for callers that should act on the DB only
/// when it already exists (the auth notifier's session-reset paths). Awaiting
/// [powerSyncInstanceProvider] through `ref` would instead be async and would
/// build the DB on demand, the opposite of the no-op-when-absent behaviour
/// those paths need.
PowerSyncDatabase? get builtPowerSyncInstance => _builtInstance;

/// Watches the sync status for a stream that keeps reconnecting without ever
/// delivering data (e.g. blocked by a VPN or firewall) and flags it, see
/// [SyncStreamWatchdog]. Fed from the DB's status stream by
/// [powerSyncInstanceProvider].
final syncWatchdogProvider = Provider<SyncStreamWatchdog>((ref) {
  final watchdog = SyncStreamWatchdog();
  ref.onDispose(watchdog.dispose);
  return watchdog;
});

@Riverpod(keepAlive: true)
Future<PowerSyncDatabase> powerSyncInstance(Ref ref) async {
  final db = PowerSyncDatabase(
    schema: schema,
    path: await _getDatabasePath(),
    logger: attachedLogger,
  );
  await db.initialize();
  await _createRawTables(db);
  _builtInstance = db;

  final client = ref.read(authenticatedHttpClientProvider);
  final watchdog = ref.read(syncWatchdogProvider);
  final statusSubscription = db.statusStream.listen(watchdog.onStatus);

  // Connect to the sync service only while the device is online. PowerSync's
  // own retry loop would otherwise log a credential error on every iteration
  // against an unreachable backend
  void syncConnection(bool isOnline) {
    if (isOnline) {
      final serverUrl = ref.read(wgerBaseProvider).serverUrl;
      if (serverUrl != null) {
        connectPowerSync(db, serverUrl, client);
      }
    } else {
      db.disconnect();
      // Deliberate disconnect: an offline device is not a blocked stream.
      watchdog.reset();
    }
  }

  syncConnection(ref.read(networkStatusProvider));
  ref.listen(networkStatusProvider, (_, isOnline) => syncConnection(isOnline));

  ref.onDispose(() {
    _builtInstance = null;
    statusSubscription.cancel();
    watchdog.reset();
    db.close();
  });

  return db;
}

/// Materialise the native SQLite tables for the raw entries declared in
/// [schema]. PowerSync only manages the JSON view tables itself, so any
/// `RawTable` entry must have its `CREATE TABLE`/`CREATE INDEX` statements
/// applied by us.
///
/// Skips all work when the raw tables already exist, so warm restarts don't
/// take a write lock on the DB.
Future<void> _createRawTables(PowerSyncDatabase db) async {
  // Not STRICT: keep SQLite's type affinity behaviour so PowerSync's
  // inferred inserts can bind values as they arrive from the JSON wire
  // protocol without us having to coerce types up front.
  //
  // `id` is INTEGER, not the PowerSync-conventional TEXT, so it matches the
  // Drift `IntColumn id` and the integer `exercise_id` FK: the catalogue join
  // is then native INTEGER == INTEGER instead of relying on TEXT-vs-INTEGER
  // affinity coercion. PowerSync's string oplog id coerces to INTEGER on insert
  // (safe: Django exercise PKs are always numeric).
  const rawTables = ['exercises_exercise', 'exercises_translation'];
  final existing = await db.getAll(
    'SELECT name FROM sqlite_master '
    'WHERE type = ? AND name IN (${rawTables.map((_) => '?').join(', ')})',
    ['table', ...rawTables],
  );

  if (existing.length == rawTables.length) {
    return;
  }

  await db.writeTransaction((tx) async {
    await tx.execute('''
      CREATE TABLE IF NOT EXISTS exercises_exercise(
        id INTEGER NOT NULL PRIMARY KEY,
        uuid TEXT,
        category_id INTEGER,
        variation_group TEXT,
        created TEXT,
        last_update TEXT
      )
    ''');
    await tx.execute(
      'CREATE INDEX IF NOT EXISTS exercises_exercise__category '
      'ON exercises_exercise(category_id)',
    );
    await tx.execute(
      'CREATE INDEX IF NOT EXISTS exercises_exercise__variation '
      'ON exercises_exercise(variation_group)',
    );

    await tx.execute('''
      CREATE TABLE IF NOT EXISTS exercises_translation(
        id INTEGER NOT NULL PRIMARY KEY,
        uuid TEXT,
        language_id INTEGER,
        exercise_id INTEGER,
        description TEXT,
        name TEXT,
        created TEXT,
        last_update TEXT
      )
    ''');
    await tx.execute(
      'CREATE INDEX IF NOT EXISTS exercises_translation__language '
      'ON exercises_translation(language_id)',
    );
    await tx.execute(
      'CREATE INDEX IF NOT EXISTS exercises_translation__exercise '
      'ON exercises_translation(exercise_id)',
    );
  });
}

/// Creates a fresh [DjangoConnector] for [baseUrl] and connects [db] to it.
/// Used both at initial creation and after a logout/login cycle to pick up
/// the new user's server URL / credentials. [client] is the authenticated
/// HTTP client (see [authenticatedHttpClientProvider]); the connector reuses
/// it for its REST calls so the same `Authorization` injection and
/// pre-emptive refresh apply.
void connectPowerSync(PowerSyncDatabase db, String baseUrl, http.Client client) {
  db.connect(
    connector: DjangoConnector(
      baseUrl: baseUrl,
      apiClient: ApiClient(baseUrl, client: client),
      client: client,
    ),
  );
}

final _syncStatusInternal = StreamProvider<SyncStatus?>((ref) {
  return Stream.fromFuture(
    ref.watch(powerSyncInstanceProvider.future),
  ).asyncExpand<SyncStatus?>((db) => db.statusStream).startWith(null);
});

final syncStatus = Provider((ref) {
  // ignore: invalid_use_of_internal_member
  return ref.watch(_syncStatusInternal).value ?? const SyncStatus.uninitialized();
});

Future<String> _getDatabasePath() async {
  const dbFilename = 'powersync-wger.db';

  // getApplicationSupportDirectory is not supported on Web
  if (kIsWeb) {
    return dbFilename;
  }
  final dir = await getApplicationSupportDirectory();
  return join(dir.path, dbFilename);
}

/// Deletes the on-disk PowerSync SQLite files (main DB plus WAL/SHM/journal
/// sidecars). Used to purge a previous user's data on login as a different
/// user when [powerSyncInstanceProvider] has not been built yet, so the
/// usual `disconnectAndClear()` route is unavailable.
///
/// Best-effort: missing files are treated as success, individual delete
/// failures are logged and swallowed so a single locked sidecar doesn't
/// block the rest. On web the database is backed by IndexedDB rather than
/// a real file, so this is a no-op there.
Future<void> deletePowerSyncDatabaseFile() async {
  if (kIsWeb) {
    _logger.warning('deletePowerSyncDatabaseFile: not supported on web, skipping');
    return;
  }
  final path = await _getDatabasePath();
  for (final suffix in ['', '-wal', '-shm', '-journal']) {
    final file = File('$path$suffix');
    try {
      if (file.existsSync()) {
        await file.delete();
      }
    } catch (e, s) {
      _logger.warning('deletePowerSyncDatabaseFile: failed to delete ${file.path}', e, s);
    }
  }
}

1	/*
2	* This file is part of wger Workout Manager <https://github.com/wger-project>.
3	* Copyright (c) 2026 wger Team
4	*
5	* wger Workout Manager is free software: you can redistribute it and/or modify
6	* it under the terms of the GNU Affero General Public License as published by
7	* the Free Software Foundation, either version 3 of the License, or
8	* (at your option) any later version.
9	*
10	* This program is distributed in the hope that it will be useful,
11	* but WITHOUT ANY WARRANTY; without even the implied warranty of
12	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13	* GNU Affero General Public License for more details.
14	*
15	* You should have received a copy of the GNU Affero General Public License
16	* along with this program. If not, see <http://www.gnu.org/licenses/>.
17	*/
18
19	import 'dart:io';
20
21	import 'package:flutter/foundation.dart';
22	import 'package:flutter_riverpod/flutter_riverpod.dart';
23	import 'package:http/http.dart' as http;
24	import 'package:logging/logging.dart';
25	import 'package:path/path.dart';
26	import 'package:path_provider/path_provider.dart';
27	import 'package:powersync/powersync.dart';
28	import 'package:riverpod_annotation/riverpod_annotation.dart';
29	import 'package:stream_transform/stream_transform.dart';
30	import 'package:wger/core/network/auth_http_client.dart';
31	import 'package:wger/core/network/network_provider.dart';
32	import 'package:wger/core/network/wger_base.dart';
33	import 'package:wger/powersync/api_client.dart';
34	import 'package:wger/powersync/connector.dart';
35	import 'package:wger/powersync/schema.dart';
36	import 'package:wger/powersync/sync_watchdog.dart';
37
38	part 'powersync.g.dart';
39
40	final _logger = Logger('powersync');	×
41
42	PowerSyncDatabase? _builtInstance;
43
44	/// The PowerSync database once [powerSyncInstanceProvider] has finished
45	/// building, otherwise null.
46	///
47	/// Synchronous, build-free accessor for callers that should act on the DB only
48	/// when it already exists (the auth notifier's session-reset paths). Awaiting
49	/// [powerSyncInstanceProvider] through `ref` would instead be async and would
50	/// build the DB on demand, the opposite of the no-op-when-absent behaviour
51	/// those paths need.
52	PowerSyncDatabase? get builtPowerSyncInstance => _builtInstance;	11✔
53
54	/// Watches the sync status for a stream that keeps reconnecting without ever
55	/// delivering data (e.g. blocked by a VPN or firewall) and flags it, see
56	/// [SyncStreamWatchdog]. Fed from the DB's status stream by
57	/// [powerSyncInstanceProvider].
58	final syncWatchdogProvider = Provider<SyncStreamWatchdog>((ref) {	×
59	final watchdog = SyncStreamWatchdog();	×
60	ref.onDispose(watchdog.dispose);	×
61	return watchdog;
62	});
63
64	@Riverpod(keepAlive: true)	9✔
65	Future<PowerSyncDatabase> powerSyncInstance(Ref ref) async {
66	final db = PowerSyncDatabase(	×
67	schema: schema,	9✔
68	path: await _getDatabasePath(),	9✔
69	logger: attachedLogger,	×
70	);
71	await db.initialize();	×
72	await _createRawTables(db);	×
73	_builtInstance = db;
74
75	final client = ref.read(authenticatedHttpClientProvider);	×
76	final watchdog = ref.read(syncWatchdogProvider);	×
77	final statusSubscription = db.statusStream.listen(watchdog.onStatus);	×
78
79	// Connect to the sync service only while the device is online. PowerSync's
80	// own retry loop would otherwise log a credential error on every iteration
81	// against an unreachable backend
82	void syncConnection(bool isOnline) {	×
83	if (isOnline) {
84	final serverUrl = ref.read(wgerBaseProvider).serverUrl;	×
85	if (serverUrl != null) {
86	connectPowerSync(db, serverUrl, client);	×
87	}
88	} else {
89	db.disconnect();	×
90	// Deliberate disconnect: an offline device is not a blocked stream.
91	watchdog.reset();	×
92	}
93	}
94
95	syncConnection(ref.read(networkStatusProvider));	×
96	ref.listen(networkStatusProvider, (_, isOnline) => syncConnection(isOnline));	×
97
98	ref.onDispose(() {	×
99	_builtInstance = null;
100	statusSubscription.cancel();	×
101	watchdog.reset();	×
102	db.close();	×
103	});
104
105	return db;
106	}
107
108	/// Materialise the native SQLite tables for the raw entries declared in
109	/// [schema]. PowerSync only manages the JSON view tables itself, so any
110	/// `RawTable` entry must have its `CREATE TABLE`/`CREATE INDEX` statements
111	/// applied by us.
112	///
113	/// Skips all work when the raw tables already exist, so warm restarts don't
114	/// take a write lock on the DB.
115	Future<void> _createRawTables(PowerSyncDatabase db) async {	×
116	// Not STRICT: keep SQLite's type affinity behaviour so PowerSync's
117	// inferred inserts can bind values as they arrive from the JSON wire
118	// protocol without us having to coerce types up front.
119	//
120	// `id` is INTEGER, not the PowerSync-conventional TEXT, so it matches the
121	// Drift `IntColumn id` and the integer `exercise_id` FK: the catalogue join
122	// is then native INTEGER == INTEGER instead of relying on TEXT-vs-INTEGER
123	// affinity coercion. PowerSync's string oplog id coerces to INTEGER on insert
124	// (safe: Django exercise PKs are always numeric).
125	const rawTables = ['exercises_exercise', 'exercises_translation'];
126	final existing = await db.getAll(	×
127	'SELECT name FROM sqlite_master '
128	'WHERE type = ? AND name IN (${rawTables.map((_) => '?').join(', ')})',	×
129	['table', ...rawTables],	×
130	);
131
132	if (existing.length == rawTables.length) {	×
133	return;
134	}
135
136	await db.writeTransaction((tx) async {	×
137	await tx.execute('''	×
138	CREATE TABLE IF NOT EXISTS exercises_exercise(
139	id INTEGER NOT NULL PRIMARY KEY,
140	uuid TEXT,
141	category_id INTEGER,
142	variation_group TEXT,
143	created TEXT,
144	last_update TEXT
145	)
146	''');
147	await tx.execute(	×
148	'CREATE INDEX IF NOT EXISTS exercises_exercise__category '
149	'ON exercises_exercise(category_id)',
150	);
151	await tx.execute(	×
152	'CREATE INDEX IF NOT EXISTS exercises_exercise__variation '
153	'ON exercises_exercise(variation_group)',
154	);
155
156	await tx.execute('''	×
157	CREATE TABLE IF NOT EXISTS exercises_translation(
158	id INTEGER NOT NULL PRIMARY KEY,
159	uuid TEXT,
160	language_id INTEGER,
161	exercise_id INTEGER,
162	description TEXT,
163	name TEXT,
164	created TEXT,
165	last_update TEXT
166	)
167	''');
168	await tx.execute(	×
169	'CREATE INDEX IF NOT EXISTS exercises_translation__language '
170	'ON exercises_translation(language_id)',
171	);
172	await tx.execute(	×
173	'CREATE INDEX IF NOT EXISTS exercises_translation__exercise '
174	'ON exercises_translation(exercise_id)',
175	);
176	});
177	}
178
179	/// Creates a fresh [DjangoConnector] for [baseUrl] and connects [db] to it.
180	/// Used both at initial creation and after a logout/login cycle to pick up
181	/// the new user's server URL / credentials. [client] is the authenticated
182	/// HTTP client (see [authenticatedHttpClientProvider]); the connector reuses
183	/// it for its REST calls so the same `Authorization` injection and
184	/// pre-emptive refresh apply.
185	void connectPowerSync(PowerSyncDatabase db, String baseUrl, http.Client client) {	×
186	db.connect(	×
187	connector: DjangoConnector(	×
188	baseUrl: baseUrl,
189	apiClient: ApiClient(baseUrl, client: client),	×
190	client: client,
191	),
192	);
193	}
194
195	final _syncStatusInternal = StreamProvider<SyncStatus?>((ref) {	×
196	return Stream.fromFuture(	×
197	ref.watch(powerSyncInstanceProvider.future),	×
198	).asyncExpand<SyncStatus?>((db) => db.statusStream).startWith(null);	×
199	});
200
201	final syncStatus = Provider((ref) {	×
202	// ignore: invalid_use_of_internal_member
NEW 203	return ref.watch(_syncStatusInternal).value ?? const SyncStatus.uninitialized();	×
204	});
205
206	Future<String> _getDatabasePath() async {	13✔
207	const dbFilename = 'powersync-wger.db';
208
209	// getApplicationSupportDirectory is not supported on Web
210	if (kIsWeb) {
211	return dbFilename;
212	}
213	final dir = await getApplicationSupportDirectory();	13✔
214	return join(dir.path, dbFilename);	8✔
215	}
216
217	/// Deletes the on-disk PowerSync SQLite files (main DB plus WAL/SHM/journal
218	/// sidecars). Used to purge a previous user's data on login as a different
219	/// user when [powerSyncInstanceProvider] has not been built yet, so the
220	/// usual `disconnectAndClear()` route is unavailable.
221	///
222	/// Best-effort: missing files are treated as success, individual delete
223	/// failures are logged and swallowed so a single locked sidecar doesn't
224	/// block the rest. On web the database is backed by IndexedDB rather than
225	/// a real file, so this is a no-op there.
226	Future<void> deletePowerSyncDatabaseFile() async {	4✔
227	if (kIsWeb) {
228	_logger.warning('deletePowerSyncDatabaseFile: not supported on web, skipping');	×
229	return;
230	}
231	final path = await _getDatabasePath();	4✔
232	for (final suffix in ['', '-wal', '-shm', '-journal']) {	8✔
233	final file = File('$path$suffix');	8✔
234	try {
235	if (file.existsSync()) {	4✔
236	await file.delete();	1✔
237	}
238	} catch (e, s) {
239	_logger.warning('deletePowerSyncDatabaseFile: failed to delete ${file.path}', e, s);	×
240	}
241	}
242	}

wger-project / flutter / 30367266598

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