Complete todo api

lib/src/models/todo.dart

@@ -0,0 +1,11 @@
+import 'package:angel_serialize/angel_serialize.dart';
+import 'package:graphql_schema/graphql_schema.dart';
+part 'todo.g.dart';
+
+@graphQLClass
+@serializable
+abstract class _Todo extends Model {
+  String get text;
+
+  bool get isComplete;
+}

lib/src/models/todo.g.dart

@@ -0,0 +1,157 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'todo.dart';
+
+// **************************************************************************
+// JsonModelGenerator
+// **************************************************************************
+
+@generatedSerializable
+class Todo extends _Todo {
+  Todo({this.id, this.text, this.isComplete, this.createdAt, this.updatedAt});
+
+  @override
+  final String id;
+
+  @override
+  final String text;
+
+  @override
+  final bool isComplete;
+
+  @override
+  final DateTime createdAt;
+
+  @override
+  final DateTime updatedAt;
+
+  Todo copyWith(
+      {String id,
+      String text,
+      bool isComplete,
+      DateTime createdAt,
+      DateTime updatedAt}) {
+    return new Todo(
+        id: id ?? this.id,
+        text: text ?? this.text,
+        isComplete: isComplete ?? this.isComplete,
+        createdAt: createdAt ?? this.createdAt,
+        updatedAt: updatedAt ?? this.updatedAt);
+  }
+
+  bool operator ==(other) {
+    return other is _Todo &&
+        other.id == id &&
+        other.text == text &&
+        other.isComplete == isComplete &&
+        other.createdAt == createdAt &&
+        other.updatedAt == updatedAt;
+  }
+
+  @override
+  int get hashCode {
+    return hashObjects([id, text, isComplete, createdAt, updatedAt]);
+  }
+
+  @override
+  String toString() {
+    return "Todo(id=$id, text=$text, isComplete=$isComplete, createdAt=$createdAt, updatedAt=$updatedAt)";
+  }
+
+  Map<String, dynamic> toJson() {
+    return TodoSerializer.toMap(this);
+  }
+}
+
+// **************************************************************************
+// SerializerGenerator
+// **************************************************************************
+
+const TodoSerializer todoSerializer = const TodoSerializer();
+
+class TodoEncoder extends Converter<Todo, Map> {
+  const TodoEncoder();
+
+  @override
+  Map convert(Todo model) => TodoSerializer.toMap(model);
+}
+
+class TodoDecoder extends Converter<Map, Todo> {
+  const TodoDecoder();
+
+  @override
+  Todo convert(Map map) => TodoSerializer.fromMap(map);
+}
+
+class TodoSerializer extends Codec<Todo, Map> {
+  const TodoSerializer();
+
+  @override
+  get encoder => const TodoEncoder();
+  @override
+  get decoder => const TodoDecoder();
+  static Todo fromMap(Map map) {
+    return new Todo(
+        id: map['id'] as String,
+        text: map['text'] as String,
+        isComplete: map['is_complete'] as bool,
+        createdAt: map['created_at'] != null
+            ? (map['created_at'] is DateTime
+                ? (map['created_at'] as DateTime)
+                : DateTime.parse(map['created_at'].toString()))
+            : null,
+        updatedAt: map['updated_at'] != null
+            ? (map['updated_at'] is DateTime
+                ? (map['updated_at'] as DateTime)
+                : DateTime.parse(map['updated_at'].toString()))
+            : null);
+  }
+
+  static Map<String, dynamic> toMap(_Todo model) {
+    if (model == null) {
+      return null;
+    }
+    return {
+      'id': model.id,
+      'text': model.text,
+      'is_complete': model.isComplete,
+      'created_at': model.createdAt?.toIso8601String(),
+      'updated_at': model.updatedAt?.toIso8601String()
+    };
+  }
+}
+
+abstract class TodoFields {
+  static const List<String> allFields = <String>[
+    id,
+    text,
+    isComplete,
+    createdAt,
+    updatedAt
+  ];
+
+  static const String id = 'id';
+
+  static const String text = 'text';
+
+  static const String isComplete = 'is_complete';
+
+  static const String createdAt = 'created_at';
+
+  static const String updatedAt = 'updated_at';
+}
+
+// **************************************************************************
+// _GraphQLGenerator
+// **************************************************************************
+
+/// Auto-generated from [Todo].
+final GraphQLObjectType todoGraphQLType =
+    objectType('Todo', isInterface: false, interfaces: [], fields: [
+  field('id', graphQLString),
+  field('text', graphQLString),
+  field('is_complete', graphQLBoolean),
+  field('created_at', graphQLDate),
+  field('updated_at', graphQLDate),
+  field('idAsInt', graphQLInt)
+]);

lib/src/routes/graphql/graphql.dart

@@ -0,0 +1,20 @@
+import 'package:angel_framework/angel_framework.dart';
+import 'package:angel_graphql/angel_graphql.dart';
+import 'package:graphql_server/graphql_server.dart';
+import 'schema.dart';
+
+/// Configures the [app] to server GraphQL.
+void configureServer(Angel app) {
+  // Create a [GraphQL] service instance, using our schema.
+  var schema = createSchema(app);
+  var graphQL = GraphQL(schema);
+
+  // Mount a handler that responds to GraphQL queries.
+  app.all('/graphql', graphQLHttp(graphQL));
+
+  // In development, serve the GraphiQL IDE/editor.
+  // More info: https://github.com/graphql/graphiql
+  if (!app.environment.isProduction) {
+    app.get('/graphiql', graphiQL());
+  }
+}

lib/src/routes/graphql/schema.dart

@@ -0,0 +1,22 @@
+import 'package:angel_framework/angel_framework.dart';
+import 'package:graphql_schema/graphql_schema.dart';
+import 'todo.dart';
+
+/// Creates a GraphQL schema that manages an in-memory store of
+/// Todo items.
+GraphQLSchema createSchema(Angel app) {
+  var queryType = objectType(
+    'TodoQuery',
+    fields: todoQueryFields(app),
+  );
+
+  var mutationType = objectType(
+    'TodoMutation',
+    fields: todoQueryFields(app),
+  );
+
+  return graphQLSchema(
+    queryType: queryType,
+    mutationType: mutationType,
+  );
+}

lib/src/routes/graphql/todo.dart

@@ -0,0 +1,73 @@
+import 'package:angel/src/models/todo.dart';
+import 'package:angel_framework/angel_framework.dart';
+import 'package:angel_graphql/angel_graphql.dart';
+import 'package:graphql_schema/graphql_schema.dart';
+
+/// Find or create an in-memory Todo store.
+MapService _getTodoService(Angel app) {
+  const key = 'todoService';
+
+  // If there is already an existing singleton, return it.
+  if (app.container.hasNamed(key)) {
+    return app.container.findByName<MapService>(key);
+  }
+
+  // Create an in-memory service. We will use this
+  // as the backend to store Todo objects, serialized to Maps.
+  var mapService = MapService();
+
+  // Register this service as a named singleton in the app container,
+  // so that we do not inadvertently create another instance.
+  app.container.registerNamedSingleton(key, mapService);
+
+  return mapService;
+}
+
+/// Returns fields to be inserted into the query type.
+Iterable<GraphQLObjectField> todoQueryFields(Angel app) {
+  var todoService = _getTodoService(app);
+
+  // Here, we use special resolvers to read data from our store.
+  return [
+    field(
+      'todos',
+      listOf(todoGraphQLType),
+      resolve: resolveViaServiceIndex(todoService),
+    ),
+    field(
+      'todo',
+      todoGraphQLType,
+      resolve: resolveViaServiceRead(todoService),
+      inputs: [
+        GraphQLFieldInput('id', graphQLString.nonNullable()),
+      ],
+    ),
+  ];
+}
+
+/// Returns fields to be inserted into the query type.
+Iterable<GraphQLObjectField> todoMutationFields(Angel app) {
+  var todoService = _getTodoService(app);
+  var todoInputType = todoGraphQLType.toInputObject('TodoInput');
+
+  // This time, we use resolvers to modify the data in the store.
+  return [
+    field(
+      'createTodo',
+      todoGraphQLType,
+      resolve: resolveViaServiceCreate(todoService),
+      inputs: [
+        GraphQLFieldInput('data', todoInputType.nonNullable()),
+      ],
+    ),
+    field(
+      'modifyTodo',
+      todoGraphQLType,
+      resolve: resolveViaServiceModify(todoService),
+      inputs: [
+        GraphQLFieldInput('id', graphQLString.nonNullable()),
+        GraphQLFieldInput('data', todoInputType.nonNullable()),
+      ],
+    ),
+  ];
+}

lib/src/routes/routes.dart

@@ -5,6 +5,7 @@ import 'package:angel_framework/angel_framework.dart';
 import 'package:angel_static/angel_static.dart';
 import 'package:file/file.dart';
 import 'controllers/controllers.dart' as controllers;
+import 'graphql/graphql.dart' as graphql;
 
 /// Put your app routes here!
 ///
@@ -16,6 +17,9 @@ AngelConfigurer configureServer(FileSystem fileSystem) {
     // Typically, you want to mount controllers first, after any global middleware.
     await app.configure(controllers.configureServer);
 
+    // Mount our GraphQL routes as well.
+    await app.configure(graphql.configureServer);
+
     // Render `views/hello.jl` when a user visits the application root.
     app.get('/', (req, res) => res.render('hello'));
 

pubspec.yaml

@@ -8,13 +8,17 @@ dependencies:
   angel_auth: ^2.0.0 # Supports stateless authentication via JWT
   angel_configuration: ^2.0.0 # Loads application configuration, along with support for .env files.
   angel_framework: ^2.0.0 # The core server library.
+  angel_graphql: ^1.0.0 # Infrastructure for serving GraphQL.
   angel_jael: ^2.0.0 # Server-side templating engine
   angel_production: ^1.0.0 # Production application runner.
   angel_static: ^2.0.0 # Static file server
   angel_validate: ^2.0.0 # Allows for validation of input data
 dev_dependencies:
   angel_hot: ^2.0.0 # Hot-reloading support. :)
+  angel_serialize_generator: # Generates serialization code, and more.
   angel_test: ^2.0.0 # Utilities for testing Angel servers.
+  build_runner: ^1.0.0 # Runs code builders.
+  graphql_generator: ^1.0.0 # Generates GraphQL schemas statically.
   io: ^0.3.2 # For pretty printing.
   pedantic: ^1.0.0 # Enforces Dart style conventions.
   test: ^1.0.0 # For unit testing.