platform/example_star_wars/lib/star_wars.dart
2018-08-03 23:13:33 -04:00

68 lines
2.4 KiB
Dart

import 'dart:async';
import 'package:angel_framework/angel_framework.dart';
import 'package:angel_graphql/angel_graphql.dart';
import 'package:graphql_schema/graphql_schema.dart';
import 'package:graphql_server/graphql_server.dart';
import 'package:graphql_server/mirrors.dart';
import 'src/models/models.dart';
Future configureServer(Angel app) async {
// Create standard Angel services. Note that these will also *automatically* be
// exposed via a REST API as well.
var droidService = mountService<Droid>(app, '/api/droids');
var humansService = mountService<Human>(app, '/api/humans');
var starshipService = mountService<Starship>(app, '/api/starships');
// Create the GraphQL schema.
// This code uses dart:mirrors to easily create GraphQL types from Dart PODO's.
var droidType = convertDartType(Droid);
var episodeType = convertDartType(Episode);
var humanType = convertDartType(Human);
var starshipType = convertDartType(Starship);
// Create the query type.
//
// Use the `resolveViaServiceIndex` helper to load data directly from an
// Angel service.
var queryType = objectType('StarWarsQuery',
description: 'A long time ago, in a galaxy far, far away...',
fields: [
field(
'droids',
type: listType(droidType.nonNullable()),
resolve: resolveViaServiceIndex(droidService),
),
field(
'humans',
type: listType(humanType.nonNullable()),
resolve: resolveViaServiceIndex(humansService),
),
field(
'starships',
type: listType(starshipType.nonNullable()),
resolve: resolveViaServiceIndex(starshipService),
),
]);
// Finally, create the schema.
var schema = graphQLSchema(query: queryType);
// Next, create a GraphQL object, which will be passed to `graphQLHttp`, and
// used to mount a spec-compliant GraphQL endpoint on the server.
var graphQL = new GraphQL(schema);
// Mount the GraphQL endpoint.
app.all('/graphql', graphQLHttp(graphQL));
// In development, we'll want to mount GraphiQL, for easy management of the database.
if (!app.isProduction) {
app.get('/graphiql', graphiQL());
}
}
Service mountService<T extends Model>(Angel app, String path) => app.use(
path,
new TypedService(new MapService(
autoIdAndDateFields: false, autoSnakeCaseNames: false))) as Service;