Initial commit

lib/data/mappers/training_plan_mapper.dart

@@ -0,0 +1,87 @@
+import 'dart:convert';
+import 'package:drift/drift.dart';
+import 'package:trainhub_flutter/data/database/app_database.dart';
+import 'package:trainhub_flutter/domain/entities/training_plan.dart';
+import 'package:trainhub_flutter/domain/entities/training_section.dart';
+import 'package:trainhub_flutter/domain/entities/training_exercise.dart';
+
+class TrainingPlanMapper {
+  TrainingPlanMapper._();
+
+  static TrainingPlanEntity toEntity(TrainingPlan row) {
+    final List<dynamic> sectionsJson =
+        row.sections != null && row.sections!.isNotEmpty
+            ? jsonDecode(row.sections!) as List
+            : [];
+    return TrainingPlanEntity(
+      id: row.id,
+      name: row.name,
+      sections: sectionsJson
+          .map((s) => _mapSection(s as Map<String, dynamic>))
+          .toList(),
+    );
+  }
+
+  static TrainingSectionEntity _mapSection(Map<String, dynamic> json) {
+    final exercisesJson = json['exercises'] as List<dynamic>? ?? [];
+    return TrainingSectionEntity(
+      id: json['id'] as String? ?? '',
+      name: json['name'] as String? ?? '',
+      exercises: exercisesJson
+          .map((e) => _mapExercise(e as Map<String, dynamic>))
+          .toList(),
+    );
+  }
+
+  static TrainingExerciseEntity _mapExercise(Map<String, dynamic> json) {
+    return TrainingExerciseEntity(
+      instanceId: json['instanceId'] as String? ?? '',
+      exerciseId: json['exerciseId'] as String? ?? '',
+      name: json['name'] as String? ?? '',
+      sets: json['sets'] as int? ?? 3,
+      value: json['value'] as int? ?? 10,
+      isTime: json['isTime'] as bool? ?? false,
+      rest: json['rest'] as int? ?? 60,
+    );
+  }
+
+  static String sectionsToJson(List<TrainingSectionEntity> sections) {
+    return jsonEncode(sections.map((s) => _sectionToMap(s)).toList());
+  }
+
+  static Map<String, dynamic> _sectionToMap(TrainingSectionEntity section) {
+    return {
+      'id': section.id,
+      'name': section.name,
+      'exercises': section.exercises.map((e) => _exerciseToMap(e)).toList(),
+    };
+  }
+
+  static Map<String, dynamic> _exerciseToMap(TrainingExerciseEntity exercise) {
+    return {
+      'instanceId': exercise.instanceId,
+      'exerciseId': exercise.exerciseId,
+      'name': exercise.name,
+      'sets': exercise.sets,
+      'value': exercise.value,
+      'isTime': exercise.isTime,
+      'rest': exercise.rest,
+    };
+  }
+
+  static TrainingPlansCompanion toInsertCompanion(
+      String id, String name) {
+    return TrainingPlansCompanion.insert(
+      id: id,
+      name: name,
+      sections: const Value('[]'),
+    );
+  }
+
+  static TrainingPlansCompanion toUpdateCompanion(TrainingPlanEntity entity) {
+    return TrainingPlansCompanion(
+      name: Value(entity.name),
+      sections: Value(sectionsToJson(entity.sections)),
+    );
+  }
+}