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fix: migrate offline sync outbox into authenticated account

This commit is contained in:
bponders12-cell 2026-09-01 23:12:44 -04:00
parent 2fd5e888f7
commit 58659e8f7f
1 changed files with 42 additions and 6 deletions
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48
lib/services/sync/sync_outbox.dart
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@ -12,12 +12,13 @@ class SyncOutbox {
Future<void> _saveChain = Future<void>.value();
bool _isLoaded = false;
/// The namespace must be tied to the current Firebase UID (or a local
/// signed-out namespace). This prevents one account's sync state from being
/// mistaken for another account's state on the same device.
/// The namespace is account-scoped. Pending work recorded before login is
/// migrated from the local namespace into the newly authenticated account
/// so offline rides do not become stranded when the user signs in later.
SyncOutbox(this._prefs, {String? storageNamespace})
: _storageNamespace = _normalizeNamespace(storageNamespace) {
load();
if (_storageNamespace != 'local') _migrateLocalPendingItems();
}
static String _normalizeNamespace(String? value) {
@ -57,6 +58,43 @@ class SyncOutbox {
_isLoaded = true;
}
void _migrateLocalPendingItems() {
final localKey = '${_outboxStorageKeyPrefix}_local';
final rawJson = _prefs.getString(localKey);
if (rawJson == null || rawJson.trim().isEmpty) return;
var migrated = 0;
try {
final decoded = jsonDecode(rawJson);
if (decoded is List) {
for (final entry in decoded) {
try {
final map = entry is Map<String, dynamic> ? entry : Map<String, dynamic>.from(entry as Map);
final item = SyncItem.fromJson(map);
// Local namespace work cannot legitimately be cloud-synced yet;
// keep only pending work and rebind it to the current provider.
if (item.status.isPending) {
_items[item.key] = item.status == SyncStatus.uploading
? item.copyWith(status: SyncStatus.queued, clearNextRetry: true)
: item;
migrated++;
}
} catch (itemError) {
debugPrint('[SyncOutbox] Skipped local migration item: $itemError');
}
}
}
} catch (e) {
debugPrint('[SyncOutbox] Local outbox migration skipped: $e');
return;
}
if (migrated > 0) {
_prefs.setString(storageKey, jsonEncode(_items.values.map((e) => e.toJson()).toList()));
_prefs.remove(localKey);
}
}
Future<bool> _save() {
final operation = _saveChain.then((_) async {
if (_items.length > maxOutboxCapacity) {
@ -88,9 +126,7 @@ class SyncOutbox {
final key = '$normalizedProvider:$localRideId';
final existing = _items[key];
if (existing != null) {
if (existing.status == SyncStatus.synced || existing.status == SyncStatus.queued || existing.status == SyncStatus.uploading) {
return existing;
}
if (existing.status == SyncStatus.synced || existing.status == SyncStatus.queued || existing.status == SyncStatus.uploading) return existing;
final rearmed = existing.copyWith(status: SyncStatus.queued, clearLastError: true, clearNextRetry: true);
_items[key] = rearmed;
await _save();