Files
plezy/lib/connection/plex_account_setup.dart
T

125 lines
5.0 KiB
Dart

import '../profiles/plex_home_service.dart';
import '../profiles/profile_connection_registry.dart';
import '../services/plex_auth_service.dart';
import '../services/storage_service.dart';
import '../utils/app_logger.dart';
import 'connection.dart';
import 'connection_registry.dart';
/// Outcome of [registerPlexAccountFromToken]. [homeUsersFetched] is false
/// when the `/home/users` fetch failed — first-sign-in flows can't build
/// any profile without it and must not conflate that with "no users".
/// [existedBefore] tells add-flows whether a cancelled attach should
/// remove the account again (it was created solely for the attach).
typedef PlexAccountRegistration = ({
PlexAccountConnection connection,
bool homeUsersFetched,
bool existedBefore,
String username,
String email,
});
/// Shared post-auth pipeline for a fresh plex.tv [token]: resolve the
/// account identity, persist the [PlexAccountConnection] (folding in a
/// legacy client-id-keyed row from an earlier failed identity lookup), and
/// refresh its Plex Home users. Used by the first-sign-in AuthScreen and
/// the add-account settings flow so identity/dedup policy can't drift.
Future<PlexAccountRegistration> registerPlexAccountFromToken({
required String token,
required ConnectionRegistry connections,
required ProfileConnectionRegistry profileConnections,
required StorageService storage,
required PlexHomeService plexHome,
}) async {
final auth = await PlexAuthService.create();
try {
// Account identity from plex.tv — the uuid is what makes multi-account
// work (the clientIdentifier is per-device and identical for every Plex
// account on this install). Falls back to the client identifier only
// when the user-info call fails outright; a later successful sign-in
// migrates that legacy row below.
String username = '';
String email = '';
String accountUuid = '';
try {
final info = await auth.getUserInfo(token);
username = (info['username'] as String?) ?? '';
email = (info['email'] as String?) ?? '';
accountUuid = (info['uuid'] as String?)?.trim() ?? '';
} catch (e) {
appLogger.d('getUserInfo after Plex sign-in failed (using fallback identity): $e');
}
final servers = await auth.fetchServers(token);
final connection = PlexAccountConnection(
id: 'plex.${accountUuid.isNotEmpty ? accountUuid : auth.clientIdentifier}',
accountToken: token,
clientIdentifier: auth.clientIdentifier,
accountLabel: username.isNotEmpty ? username : (email.isNotEmpty ? email : 'Plex'),
servers: servers,
createdAt: DateTime.now(),
lastAuthenticatedAt: DateTime.now(),
);
final legacyId = 'plex.${auth.clientIdentifier}';
final existedBefore =
await connections.get(connection.id) != null ||
(accountUuid.isNotEmpty &&
legacyId != connection.id &&
await connections.get(legacyId) is PlexAccountConnection);
await connections.upsert(connection);
if (accountUuid.isNotEmpty) {
await _migrateLegacyClientIdRow(
replacement: connection,
clientIdentifier: auth.clientIdentifier,
connections: connections,
profileConnections: profileConnections,
storage: storage,
);
}
// Fetch home users now so pickers surface the account's virtual
// profiles immediately.
final homeUsersFetched = await plexHome.refresh(connection);
return (
connection: connection,
homeUsersFetched: homeUsersFetched,
existedBefore: existedBefore,
username: username,
email: email,
);
} finally {
auth.dispose();
}
}
/// A row keyed by the per-device client identifier (created when an earlier
/// sign-in couldn't resolve the account uuid) would duplicate the account —
/// and collides with every other account on this device. Fold it into the
/// uuid-keyed [replacement]: re-point its join rows, then remove it.
///
/// Virtual profile ids that embedded the legacy account id are not
/// rewritten; their (rare) borrowed rows become orphans that the startup
/// prune and post-removal settle already clean up.
Future<void> _migrateLegacyClientIdRow({
required PlexAccountConnection replacement,
required String clientIdentifier,
required ConnectionRegistry connections,
required ProfileConnectionRegistry profileConnections,
required StorageService storage,
}) async {
final legacyId = 'plex.$clientIdentifier';
if (legacyId == replacement.id) return;
final legacy = await connections.get(legacyId);
if (legacy is! PlexAccountConnection) return;
final rows = await profileConnections.listForConnection(legacyId);
for (final row in rows) {
await profileConnections.upsert(row.copyWith(connectionId: replacement.id));
}
await storage.clearPlexHomeUsersCache(legacyId);
// The FK cascade drops the legacy rows we just re-pointed copies of.
await connections.remove(legacyId);
appLogger.i('Migrated legacy Plex account row $legacyId${replacement.id}');
}