Gen hashCode

angel_serialize_generator/CHANGELOG.md

@@ -1,3 +1,6 @@
+# 2.1.1
+* Generate `hashCode`.
+
 # 2.1.0
 * Removed dependency on `package:id`.
 * Update dependencies for Dart2Stable.

angel_serialize_generator/lib/model.dart

@@ -52,6 +52,7 @@ class JsonModelGenerator extends GeneratorForAnnotation<Serializable> {
       generateConstructor(ctx, clazz, file);
       generateCopyWithMethod(ctx, clazz, file);
       generateEqualsOperator(ctx, clazz, file);
+      generateHashCode(ctx, clazz);
 
       // Generate toJson() method if necessary
       var serializers = annotation.peek('serializers')?.listValue ?? [];
@@ -204,6 +205,21 @@ class JsonModelGenerator extends GeneratorForAnnotation<Serializable> {
     return (a, b) => '$eq.equals($a, $b)';
   }
 
+  void generateHashCode(BuildContext ctx, ClassBuilder clazz) {
+    clazz
+      ..methods.add(new Method((method) {
+        method
+          ..name = 'hashCode'
+          ..type = MethodType.getter
+          ..returns = refer('int')
+          ..annotations.add(refer('override'))
+          ..body = refer('hashObjects')
+              .call([literalList(ctx.fields.map((f) => refer(f.name)))])
+              .returned
+              .statement;
+      }));
+  }
+
   void generateEqualsOperator(
       BuildContext ctx, ClassBuilder clazz, LibraryBuilder file) {
     clazz.methods.add(new Method((method) {

angel_serialize_generator/pubspec.yaml

@@ -1,5 +1,5 @@
 name: angel_serialize_generator
-version: 2.1.0
+version: 2.1.1
 description: Model serialization generators, designed for use with Angel. Combine with angel_serialize for flexible modeling.
 author: Tobe O <thosakwe@gmail.com>
 homepage: https://github.com/angel-dart/serialize

angel_serialize_generator/test/models/author.g.dart

@@ -83,6 +83,21 @@ class Author extends _Author {
         other.updatedAt == updatedAt;
   }
 
+  @override
+  int get hashCode {
+    return hashObjects([
+      id,
+      name,
+      age,
+      books,
+      newestBook,
+      secret,
+      obscured,
+      createdAt,
+      updatedAt
+    ]);
+  }
+
   Map<String, dynamic> toJson() {
     return AuthorSerializer.toMap(this);
   }
@@ -129,6 +144,11 @@ class Library extends _Library {
         other.updatedAt == updatedAt;
   }
 
+  @override
+  int get hashCode {
+    return hashObjects([id, collection, createdAt, updatedAt]);
+  }
+
   Map<String, dynamic> toJson() {
     return LibrarySerializer.toMap(this);
   }
@@ -191,6 +211,11 @@ class Bookmark extends _Bookmark {
         other.updatedAt == updatedAt;
   }
 
+  @override
+  int get hashCode {
+    return hashObjects([id, history, page, comment, createdAt, updatedAt]);
+  }
+
   Map<String, dynamic> toJson() {
     return BookmarkSerializer.toMap(this);
   }

angel_serialize_generator/test/models/book.g.dart

@@ -83,6 +83,21 @@ class Book extends _Book {
         other.updatedAt == updatedAt;
   }
 
+  @override
+  int get hashCode {
+    return hashObjects([
+      id,
+      author,
+      title,
+      description,
+      pageCount,
+      notModels,
+      camelCaseString,
+      createdAt,
+      updatedAt
+    ]);
+  }
+
   Map<String, dynamic> toJson() {
     return BookSerializer.toMap(this);
   }

angel_serialize_generator/test/models/game_pad.g.dart

@@ -36,6 +36,11 @@ class Gamepad extends _Gamepad {
             .equals(other.dynamicMap, dynamicMap);
   }
 
+  @override
+  int get hashCode {
+    return hashObjects([buttons, dynamicMap]);
+  }
+
   Map<String, dynamic> toJson() {
     return GamepadSerializer.toMap(this);
   }

angel_serialize_generator/test/models/game_pad_button.g.dart

@@ -27,6 +27,11 @@ class GamepadButton implements _GamepadButton {
         other.radius == radius;
   }
 
+  @override
+  int get hashCode {
+    return hashObjects([name, radius]);
+  }
+
   Map<String, dynamic> toJson() {
     return GamepadButtonSerializer.toMap(this);
   }

angel_serialize_generator/test/models/with_enum.g.dart

@@ -28,6 +28,11 @@ class WithEnum implements _WithEnum {
             .equals(other.finalList, finalList);
   }
 
+  @override
+  int get hashCode {
+    return hashObjects([type, finalList]);
+  }
+
   Map<String, dynamic> toJson() {
     return WithEnumSerializer.toMap(this);
   }