Initial commit

lib/data/database/daos/exercise_dao.dart

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+import 'package:drift/drift.dart';
+import 'package:trainhub_flutter/data/database/app_database.dart';
+
+part 'exercise_dao.g.dart';
+
+@DriftAccessor(tables: [Exercises])
+class ExerciseDao extends DatabaseAccessor<AppDatabase>
+    with _$ExerciseDaoMixin {
+  ExerciseDao(super.db);
+
+  Future<List<Exercise>> getAllExercises() => select(exercises).get();
+
+  Future<Exercise> getExerciseById(String id) =>
+      (select(exercises)..where((t) => t.id.equals(id))).getSingle();
+
+  Future<void> insertExercise(ExercisesCompanion entry) =>
+      into(exercises).insert(entry);
+
+  Future<void> updateExercise(String id, ExercisesCompanion entry) =>
+      (update(exercises)..where((t) => t.id.equals(id))).write(entry);
+
+  Future<void> deleteExercise(String id) =>
+      (delete(exercises)..where((t) => t.id.equals(id))).go();
+}