angel3_graphql 8.4.0

angel3_graphql: ^8.4.0 copied to clipboard

example/main.dart

// ignore_for_file: deprecated_member_use
import 'package:angel3_container/mirrors.dart';
import 'package:angel3_framework/angel3_framework.dart';
import 'package:angel3_framework/http.dart';
import 'package:angel3_graphql/angel3_graphql.dart';
import 'package:angel3_serialize/angel3_serialize.dart';
import 'package:graphql_schema2/graphql_schema2.dart';
import 'package:graphql_server2/graphql_server2.dart';
import 'package:graphql_server2/mirrors.dart';
import 'package:logging/logging.dart';

void main() async {
  var logger = Logger('angel3_graphql');
  var app = Angel(
    reflector: MirrorsReflector(),
    logger: logger
      ..onRecord.listen((rec) {
        print(rec);
        if (rec.error != null) print(rec.error);
        if (rec.stackTrace != null) print(rec.stackTrace);
      }),
  );
  var http = AngelHttp(app);

  var todoService = app.use('api/todos', MapService());

  var queryType = objectType(
    'Query',
    description: 'A simple API that manages your to-do list.',
    fields: [
      field(
        'todos',
        listOf(convertDartType(Todo)!.nonNullable()),
        resolve: resolveViaServiceIndex(todoService),
      ),
      field(
        'todo',
        convertDartType(Todo)!,
        resolve: resolveViaServiceRead(todoService),
        inputs: [GraphQLFieldInput('id', graphQLId.nonNullable())],
      ),
    ],
  );

  var mutationType = objectType(
    'Mutation',
    description: 'Modify the to-do list.',
    fields: [
      field(
        'createTodo',
        convertDartType(Todo)!,
        inputs: [
          GraphQLFieldInput(
            'data',
            convertDartType(Todo)!.coerceToInputObject(),
          ),
        ],
        resolve: resolveViaServiceCreate(todoService),
      ),
    ],
  );

  var schema = graphQLSchema(queryType: queryType, mutationType: mutationType);

  app.all('/graphql', graphQLHttp(GraphQL(schema)));
  app.get('/graphiql', graphiQL());

  await todoService.create({
    'text': 'Clean your room!',
    'completion_status': 'COMPLETE',
  });
  await todoService.create({
    'text': 'Take out the trash',
    'completion_status': 'INCOMPLETE',
  });
  await todoService.create({
    'text': 'Become a billionaire at the age of 5',
    'completion_status': 'INCOMPLETE',
  });

  var server = await http.startServer('127.0.0.1', 3000);
  var uri = Uri(
    scheme: 'http',
    host: server.address.address,
    port: server.port,
  );
  var graphiqlUri = uri.replace(path: 'graphiql');
  print('Listening at $uri');
  print('Access graphiql at $graphiqlUri');
}

@GraphQLDocumentation(description: 'Any object with a .text (String) property.')
abstract class HasText {
  String? get text;
}

@serializable
@GraphQLDocumentation(
  description: 'A task that might not be completed yet. **Yay! Markdown!**',
)
class Todo extends Model implements HasText {
  @override
  String? text;

  @GraphQLDocumentation(deprecationReason: 'Use `completion_status` instead.')
  bool? completed;

  CompletionStatus? completionStatus;

  Todo({this.text, this.completed, this.completionStatus});
}

@GraphQLDocumentation(description: 'The completion status of a to-do item.')
enum CompletionStatus { COMPLETE, INCOMPLETE }