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Minimize transaction lifespan in FindFile

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Ming Ming 2022-01-02 16:00:49 +08:00
parent 363382271f
commit 9fe0ed3792
1 changed files with 7 additions and 7 deletions
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14
lib/use_case/find_file.dart
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@ -11,17 +11,17 @@ class FindFile {
/// Find the [File] in the DB by [fileId] /// Find the [File] in the DB by [fileId]
Future<File> call(Account account, int fileId) async { Future<File> call(Account account, int fileId) async {
return await _c.appDb.use((db) async { final dbItem = await _c.appDb.use((db) async {
final transaction = db.transaction(AppDb.file2StoreName, idbModeReadOnly); final transaction = db.transaction(AppDb.file2StoreName, idbModeReadOnly);
final store = transaction.objectStore(AppDb.file2StoreName); final store = transaction.objectStore(AppDb.file2StoreName);
final dbItem = await store return await store
.getObject(AppDbFile2Entry.toPrimaryKey(account, fileId)) as Map?; .getObject(AppDbFile2Entry.toPrimaryKey(account, fileId)) as Map?;
if (dbItem == null) {
throw StateError("File ID not found: $fileId");
}
final dbEntry = AppDbFile2Entry.fromJson(dbItem.cast<String, dynamic>());
return dbEntry.file;
}); });
if (dbItem == null) {
throw StateError("File ID not found: $fileId");
}
final dbEntry = AppDbFile2Entry.fromJson(dbItem.cast<String, dynamic>());
return dbEntry.file;
} }
final DiContainer _c; final DiContainer _c;