logging framework

lib/database/database.dart

@@ -7,6 +7,7 @@ import '../sources/models.dart' as models;
 import 'converters.dart';
 import 'dao/library_dao.dart';
 import 'dao/sources_dao.dart';
+import 'log_interceptor.dart';
 
 part 'database.g.dart';
 
@@ -27,14 +28,14 @@ class SubtracksDatabase extends _$SubtracksDatabase {
 
   static QueryExecutor _openConnection() {
     return driftDatabase(
-      name: 'my_database',
+      name: 'subtracks_database',
       native: DriftNativeOptions(
         databasePath: () async {
           final directory = await getApplicationSupportDirectory();
           return path.join(directory.absolute.path, 'subtracks.sqlite');
         },
       ),
-    );
+    ).interceptWith(LogInterceptor());
   }
 
   @override

lib/database/log_interceptor.dart

@@ -0,0 +1,120 @@
+import 'dart:async';
+
+import 'package:drift/drift.dart';
+import 'package:logger/logger.dart';
+
+import '../util/logger.dart';
+
+/// https://drift.simonbinder.eu/examples/tracing/
+class LogInterceptor extends QueryInterceptor {
+  Future<T> _run<T>(
+    String description,
+    FutureOr<T> Function() operation,
+  ) async {
+    final trace = logger.level >= Level.trace;
+    final stopwatch = trace ? (Stopwatch()..start()) : null;
+
+    logger.t('Running $description');
+
+    try {
+      final result = await operation();
+      if (trace) {
+        logger.t(' => succeeded after ${stopwatch!.elapsedMilliseconds}ms');
+      }
+      return result;
+    } on Object catch (e, st) {
+      if (trace) {
+        logger.t(' => failed after ${stopwatch!.elapsedMilliseconds}ms');
+      }
+      logger.e('Query failed', error: e, stackTrace: st);
+      rethrow;
+    }
+  }
+
+  @override
+  TransactionExecutor beginTransaction(QueryExecutor parent) {
+    logger.t('begin');
+    return super.beginTransaction(parent);
+  }
+
+  @override
+  Future<void> commitTransaction(TransactionExecutor inner) {
+    return _run('commit', () => inner.send());
+  }
+
+  @override
+  Future<void> rollbackTransaction(TransactionExecutor inner) {
+    return _run('rollback', () => inner.rollback());
+  }
+
+  @override
+  Future<void> runBatched(
+    QueryExecutor executor,
+    BatchedStatements statements,
+  ) {
+    return _run(
+      'batch with $statements',
+      () => executor.runBatched(statements),
+    );
+  }
+
+  @override
+  Future<int> runInsert(
+    QueryExecutor executor,
+    String statement,
+    List<Object?> args,
+  ) {
+    return _run(
+      '$statement with $args',
+      () => executor.runInsert(statement, args),
+    );
+  }
+
+  @override
+  Future<int> runUpdate(
+    QueryExecutor executor,
+    String statement,
+    List<Object?> args,
+  ) {
+    return _run(
+      '$statement with $args',
+      () => executor.runUpdate(statement, args),
+    );
+  }
+
+  @override
+  Future<int> runDelete(
+    QueryExecutor executor,
+    String statement,
+    List<Object?> args,
+  ) {
+    return _run(
+      '$statement with $args',
+      () => executor.runDelete(statement, args),
+    );
+  }
+
+  @override
+  Future<void> runCustom(
+    QueryExecutor executor,
+    String statement,
+    List<Object?> args,
+  ) {
+    return _run(
+      '$statement with $args',
+      () => executor.runCustom(statement, args),
+    );
+  }
+
+  @override
+  Future<List<Map<String, Object?>>> runSelect(
+    QueryExecutor executor,
+    String statement,
+    List<Object?> args,
+  ) {
+    return _run(
+      '$statement with $args',
+      () => executor.runSelect(statement, args),
+    );
+  }
+}