add: Entity, DatabaseTupleEntity

wip #377

lib/framework/repository/database_tuple_entity.dart

@@ -34,3 +34,27 @@ mixin SavedDatabaseTupleMixinV1<T> on EntityV1 {
   @override
   String toString() => "${super.toString()}${unpack()}";
 }
+
+mixin DatabaseTupleEntity<PrimaryKey> on Entity {
+  late PrimaryKey id;
+  late DateTime createdAt;
+  late DateTime? updatedAt;
+  late DateTime? archivedAt;
+
+  DatabaseTupleEntity<PrimaryKey> withMap(Map<String, dynamic> map) {
+    id = map[defPkId.name];
+    createdAt = map[defColCreatedAt.name];
+    updatedAt = map[defColUpdatedAt.name];
+    archivedAt = map[defColArchivedAt.name];
+    return this;
+  }
+
+  @override
+  Map<String, dynamic> get toMap => super.toMap
+    ..addAll({
+      defPkId.name: id,
+      defColCreatedAt.name: createdAt,
+      defColUpdatedAt.name: updatedAt,
+      defColArchivedAt.name: archivedAt,
+    });
+}

lib/framework/repository/entity.dart

@@ -7,6 +7,10 @@
 abstract class EntityV2 {}
 
 abstract class EntityV1 {}
+
+mixin Entity {
+  Map<String, dynamic> get toMap;
+}
 // memo
 // - view, domain, dataのそれぞれの領域で似た内容でも型が変わることになるはず
 // これをしっかりと定義したい

test/framework/repository/database_tuple_entity_test.dart

@@ -0,0 +1,67 @@
+import 'package:flutter_test/flutter_test.dart';
+import 'package:mem/databases/table_definitions/base.dart';
+import 'package:mem/framework/repository/database_tuple_entity.dart';
+
+import 'entity_test.dart';
+
+const _name = 'DatabaseTupleEntity test';
+
+class _TestObjectDatabaseTupleEntity extends TestObjectEntity
+    with DatabaseTupleEntity<int> {
+  _TestObjectDatabaseTupleEntity(super.a);
+
+  _TestObjectDatabaseTupleEntity.fromMap(Map<String, dynamic> map)
+      : super.fromMap(map) {
+    withMap(map);
+  }
+}
+
+void main() => group(
+      _name,
+      () {
+        test(
+          '#new',
+          () {
+            const a = false;
+
+            final testObject = _TestObjectDatabaseTupleEntity(a);
+
+            expect(testObject.a, equals(a));
+          },
+        );
+
+        test(
+          '#fromMap',
+          () {
+            final map = {
+              TestObjectEntity.fieldNames[0]: false,
+              defPkId.name: 1,
+              defColCreatedAt.name: DateTime.now(),
+              defColUpdatedAt.name: DateTime.now(),
+              defColArchivedAt.name: null
+            };
+
+            final testObject = _TestObjectDatabaseTupleEntity.fromMap(map);
+
+            expect(testObject.a, map[TestObjectEntity.fieldNames[0]]);
+          },
+        );
+
+        test(
+          '#toMap',
+          () {
+            final map = {
+              TestObjectEntity.fieldNames[0]: false,
+              defPkId.name: 1,
+              defColCreatedAt.name: DateTime.now(),
+              defColUpdatedAt.name: DateTime.now(),
+              defColArchivedAt.name: null
+            };
+
+            final testObject = _TestObjectDatabaseTupleEntity.fromMap(map);
+
+            expect(testObject.toMap, map);
+          },
+        );
+      },
+    );

test/framework/repository/entity_test.dart

@@ -0,0 +1,61 @@
+import 'package:flutter_test/flutter_test.dart';
+import 'package:mem/framework/repository/entity.dart';
+
+const _name = 'Entity test';
+
+class _TestObject {
+  final bool a;
+
+  _TestObject(this.a);
+}
+
+class TestObjectEntity extends _TestObject with Entity {
+  static List<String> fieldNames = ['a'];
+
+  TestObjectEntity(super.a);
+
+  TestObjectEntity.fromMap(Map<String, dynamic> map)
+      : super(map[TestObjectEntity.fieldNames[0]]);
+
+  @override
+  Map<String, dynamic> get toMap => {fieldNames[0]: a};
+}
+
+void main() => group(
+      _name,
+      () {
+        test(
+          '#new',
+          () {
+            const a = false;
+
+            final testObject = TestObjectEntity(a);
+
+            expect(testObject.a, equals(a));
+          },
+        );
+
+        test(
+          '#fromMap',
+          () {
+            final map = {TestObjectEntity.fieldNames[0]: false};
+
+            final testObject = TestObjectEntity.fromMap(map);
+
+            expect(testObject.a, equals(map[TestObjectEntity.fieldNames[0]]));
+          },
+        );
+
+        test(
+          '#toMap',
+          () {
+            const a = false;
+
+            final testObject = TestObjectEntity(a);
+
+            expect(
+                testObject.toMap, equals({TestObjectEntity.fieldNames[0]: a}));
+          },
+        );
+      },
+    );