Initial commit

lib/data/database/daos/analysis_dao.dart

@@ -0,0 +1,32 @@
+import 'package:drift/drift.dart';
+import 'package:trainhub_flutter/data/database/app_database.dart';
+
+part 'analysis_dao.g.dart';
+
+@DriftAccessor(tables: [AnalysisSessions, Annotations])
+class AnalysisDao extends DatabaseAccessor<AppDatabase>
+    with _$AnalysisDaoMixin {
+  AnalysisDao(super.db);
+
+  Future<List<AnalysisSession>> getAllSessions() =>
+      select(analysisSessions).get();
+
+  Future<AnalysisSession?> getSession(String id) =>
+      (select(analysisSessions)..where((t) => t.id.equals(id)))
+          .getSingleOrNull();
+
+  Future<void> insertSession(AnalysisSessionsCompanion entry) =>
+      into(analysisSessions).insert(entry);
+
+  Future<void> deleteSession(String id) =>
+      (delete(analysisSessions)..where((t) => t.id.equals(id))).go();
+
+  Future<List<Annotation>> getAnnotations(String sessionId) =>
+      (select(annotations)..where((t) => t.sessionId.equals(sessionId))).get();
+
+  Future<void> insertAnnotation(AnnotationsCompanion entry) =>
+      into(annotations).insert(entry);
+
+  Future<void> deleteAnnotation(String id) =>
+      (delete(annotations)..where((t) => t.id.equals(id))).go();
+}