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| 1 | +import 'dart:async'; |
| 2 | + |
| 3 | +import 'package:drift/backends.dart'; |
| 4 | +import 'package:meta/meta.dart'; |
| 5 | +import 'package:sentry/sentry.dart'; |
| 6 | +import 'sentry_span_helper.dart'; |
| 7 | + |
| 8 | +/// Signature of a function that opens a database connection when instructed to. |
| 9 | +typedef DatabaseOpener = FutureOr<QueryExecutor> Function(); |
| 10 | + |
| 11 | +/// Sentry Drift Database Executor based on [LazyDatabase]. |
| 12 | +/// |
| 13 | +/// A special database executor that delegates work to another [QueryExecutor]. |
| 14 | +/// The other executor is lazily opened by a [DatabaseOpener]. |
| 15 | +class SentryDriftDatabase extends QueryExecutor { |
| 16 | + final Hub _hub; |
| 17 | + final _spanHelper = SentrySpanHelper( |
| 18 | + // ignore: invalid_use_of_internal_member |
| 19 | + SentryTraceOrigins.autoDbDriftDatabaseExecutor, |
| 20 | + ); |
| 21 | + |
| 22 | + String? dbName = 'people-drift-impl'; |
| 23 | + |
| 24 | + @internal |
| 25 | + // ignore: public_member_api_docs |
| 26 | + static const dbNameKey = 'db.name'; |
| 27 | + |
| 28 | + @internal |
| 29 | + // ignore: public_member_api_docs |
| 30 | + static const dbOp = 'db'; |
| 31 | + |
| 32 | + @internal |
| 33 | + // ignore: public_member_api_docs |
| 34 | + static const dbSystemKey = 'db.system'; |
| 35 | + |
| 36 | + @internal |
| 37 | + // ignore: public_member_api_docs |
| 38 | + static const dbSystem = 'sqlite'; |
| 39 | + |
| 40 | + /// Underlying executor |
| 41 | + late final QueryExecutor _delegate; |
| 42 | + |
| 43 | + bool _delegateAvailable = false; |
| 44 | + final SqlDialect _dialect; |
| 45 | + |
| 46 | + Completer<void>? _openDelegate; |
| 47 | + |
| 48 | + @override |
| 49 | + SqlDialect get dialect { |
| 50 | + // Drift reads dialect before database opened, so we must know in advance |
| 51 | + if (_delegateAvailable && _dialect != _delegate.dialect) { |
| 52 | + throw Exception('LazyDatabase created with $_dialect, but underlying ' |
| 53 | + 'database is ${_delegate.dialect}.'); |
| 54 | + } |
| 55 | + return _dialect; |
| 56 | + } |
| 57 | + |
| 58 | + /// The function that will open the database when this [SentryDriftDatabase] gets |
| 59 | + /// opened for the first time. |
| 60 | + final DatabaseOpener opener; |
| 61 | + |
| 62 | + /// Declares a [SentryDriftDatabase] that will run [opener] when the database is |
| 63 | + /// first requested to be opened. You must specify the same [dialect] as the |
| 64 | + /// underlying database has |
| 65 | + SentryDriftDatabase( |
| 66 | + this.opener, { |
| 67 | + SqlDialect dialect = SqlDialect.sqlite, |
| 68 | + @internal Hub? hub, |
| 69 | + }) : _dialect = dialect, |
| 70 | + _hub = hub ?? HubAdapter() { |
| 71 | + _spanHelper.setHub(_hub); |
| 72 | + } |
| 73 | + |
| 74 | + Future<void> _awaitOpened() { |
| 75 | + if (_delegateAvailable) { |
| 76 | + return Future.value(); |
| 77 | + } else if (_openDelegate != null) { |
| 78 | + return _openDelegate!.future; |
| 79 | + } else { |
| 80 | + final delegate = _openDelegate = Completer(); |
| 81 | + Future.sync(opener).then((database) { |
| 82 | + _delegate = database; |
| 83 | + _delegateAvailable = true; |
| 84 | + delegate.complete(); |
| 85 | + }, onError: delegate.completeError); |
| 86 | + return delegate.future; |
| 87 | + } |
| 88 | + } |
| 89 | + |
| 90 | + @override |
| 91 | + |
| 92 | + @override |
| 93 | + TransactionExecutor beginTransaction() { |
| 94 | + final a = _delegate.beginTransaction(); |
| 95 | + print(a.toString()); |
| 96 | + return _delegate.beginTransaction(); |
| 97 | + } |
| 98 | + |
| 99 | + @override |
| 100 | + Future<bool> ensureOpen(QueryExecutorUser user) { |
| 101 | + return _awaitOpened().then((_) => _delegate.ensureOpen(user)); |
| 102 | + } |
| 103 | + |
| 104 | + @override |
| 105 | + Future<void> runBatched(BatchedStatements statements) { |
| 106 | + return _delegate.runBatched(statements); |
| 107 | + } |
| 108 | + |
| 109 | + @override |
| 110 | + Future<void> runCustom(String statement, [List<Object?>? args]) { |
| 111 | + return _spanHelper.asyncWrapInSpan('custom', () async { |
| 112 | + return await _delegate.runCustom(statement, args); |
| 113 | + }, dbName: dbName); |
| 114 | + } |
| 115 | + |
| 116 | + @override |
| 117 | + Future<int> runDelete(String statement, List<Object?> args) { |
| 118 | + return _spanHelper.asyncWrapInSpan('delete', () async { |
| 119 | + return await _delegate.runDelete(statement, args); |
| 120 | + }, dbName: dbName); |
| 121 | + } |
| 122 | + |
| 123 | + @override |
| 124 | + Future<int> runInsert(String statement, List<Object?> args) { |
| 125 | + return _spanHelper.asyncWrapInSpan('insert', () async { |
| 126 | + return await _delegate.runInsert(statement, args); |
| 127 | + }, dbName: dbName); |
| 128 | + } |
| 129 | + |
| 130 | + @override |
| 131 | + Future<List<Map<String, Object?>>> runSelect( |
| 132 | + String statement, List<Object?> args) { |
| 133 | + return _spanHelper.asyncWrapInSpan('select', () async { |
| 134 | + return await _delegate.runSelect(statement, args); |
| 135 | + }, dbName: dbName); |
| 136 | + } |
| 137 | + |
| 138 | + @override |
| 139 | + Future<int> runUpdate(String statement, List<Object?> args) { |
| 140 | + return _spanHelper.asyncWrapInSpan('update', () async { |
| 141 | + return await _delegate.runUpdate(statement, args); |
| 142 | + }, dbName: dbName); |
| 143 | + } |
| 144 | + |
| 145 | + @override |
| 146 | + Future<void> close() { |
| 147 | + return _spanHelper.asyncWrapInSpan('close', () async { |
| 148 | + if (_delegateAvailable) { |
| 149 | + return _delegate.close(); |
| 150 | + } else { |
| 151 | + return Future.value(); |
| 152 | + } |
| 153 | + }, dbName: dbName); |
| 154 | + } |
| 155 | +} |
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