134 lines
3.6 KiB
Dart
134 lines
3.6 KiB
Dart
/// Client library for the Angel framework.
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library angel_client;
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import 'dart:async';
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import 'dart:convert';
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import 'package:http/src/response.dart' as http;
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export 'package:angel_http_exception/angel_http_exception.dart';
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/// A function that configures an [Angel] client in some way.
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typedef Future AngelConfigurer(Angel app);
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/// A function that deserializes data received from the server.
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///
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/// This is only really necessary in the browser, where `json_god`
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/// doesn't work.
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typedef AngelDeserializer(x);
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/// Represents an Angel server that we are querying.
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abstract class Angel {
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String authToken;
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String basePath;
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Angel(String this.basePath);
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/// Fired whenever a WebSocket is successfully authenticated.
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Stream<AngelAuthResult> get onAuthenticated;
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Future<AngelAuthResult> authenticate(
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{String type,
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credentials,
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String authEndpoint: '/auth',
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String reviveEndpoint: '/auth/token'});
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/// Opens the [url] in a new window, and returns a [Stream] that will fire a JWT on successful authentication.
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Stream<String> authenticateViaPopup(String url, {String eventName: 'token'});
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Future close();
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/// Applies an [AngelConfigurer] to this instance.
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Future configure(AngelConfigurer configurer) async {
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await configurer(this);
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}
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/// Logs the current user out of the application.
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Future logout();
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Service<T> service<T>(String path, {Type type, AngelDeserializer deserializer});
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Future<http.Response> delete(String url, {Map<String, String> headers});
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Future<http.Response> get(String url, {Map<String, String> headers});
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Future<http.Response> head(String url, {Map<String, String> headers});
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Future<http.Response> patch(String url, {body, Map<String, String> headers});
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Future<http.Response> post(String url, {body, Map<String, String> headers});
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Future<http.Response> put(String url, {body, Map<String, String> headers});
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}
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/// Represents the result of authentication with an Angel server.
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class AngelAuthResult {
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String _token;
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final Map<String, dynamic> data = {};
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String get token => _token;
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AngelAuthResult({String token, Map<String, dynamic> data: const {}}) {
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_token = token;
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this.data.addAll(data ?? {});
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}
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factory AngelAuthResult.fromMap(Map data) {
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final result = new AngelAuthResult();
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if (data is Map && data.containsKey('token') && data['token'] is String)
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result._token = data['token'];
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if (data is Map) result.data.addAll(data['data'] ?? {});
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return result;
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}
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factory AngelAuthResult.fromJson(String json) =>
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new AngelAuthResult.fromMap(JSON.decode(json));
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Map<String, dynamic> toJson() {
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return {'token': token, 'data': data};
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}
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}
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/// Queries a service on an Angel server, with the same API.
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abstract class Service<T> {
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/// Fired on `indexed` events.
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Stream<T> get onIndexed;
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/// Fired on `read` events.
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Stream<T> get onRead;
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/// Fired on `created` events.
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Stream<T> get onCreated;
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/// Fired on `modified` events.
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Stream<T> get onModified;
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/// Fired on `updated` events.
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Stream<T> get onUpdated;
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/// Fired on `removed` events.
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Stream<T> get onRemoved;
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/// The Angel instance powering this service.
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Angel get app;
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Future close();
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/// Retrieves all resources.
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Future index([Map params]);
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/// Retrieves the desired resource.
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Future read(id, [Map params]);
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/// Creates a resource.
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Future create(data, [Map params]);
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/// Modifies a resource.
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Future modify(id, data, [Map params]);
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/// Overwrites a resource.
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Future update(id, data, [Map params]);
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/// Removes the given resource.
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Future remove(id, [Map params]);
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}
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