This commit is contained in:
thosakwe 2017-02-22 19:37:15 -05:00
parent 6a9511324d
commit ba9df69779
14 changed files with 362 additions and 100 deletions

View file

@ -1,6 +1,6 @@
# angel_framework
[![pub 1.0.0-dev.55](https://img.shields.io/badge/pub-1.0.0--dev.55-red.svg)](https://pub.dartlang.org/packages/angel_framework)
[![pub 1.0.0-dev.56](https://img.shields.io/badge/pub-1.0.0--dev.56-red.svg)](https://pub.dartlang.org/packages/angel_framework)
[![build status](https://travis-ci.org/angel-dart/framework.svg)](https://travis-ci.org/angel-dart/framework)
Core libraries for the Angel Framework.

View file

@ -106,7 +106,7 @@ class HookedService extends Service {
Middleware before = getAnnotation(inner, Middleware);
final handlers = [
(RequestContext req, ResponseContext res) async {
req.query
req.serviceParams
..['__requestctx'] = req
..['__responsectx'] = res;
return true;
@ -119,7 +119,8 @@ class HookedService extends Service {
get('/', (req, res) async {
return await this.index(mergeMap([
{'query': req.query},
restProvider
restProvider,
req.serviceParams
]));
},
middleware: []
@ -133,7 +134,8 @@ class HookedService extends Service {
req.body,
mergeMap([
{'query': req.query},
restProvider
restProvider,
req.serviceParams
])),
middleware: []
..addAll(handlers)
@ -148,7 +150,8 @@ class HookedService extends Service {
toId(req.params['id']),
mergeMap([
{'query': req.query},
restProvider
restProvider,
req.serviceParams
])),
middleware: []
..addAll(handlers)
@ -162,7 +165,8 @@ class HookedService extends Service {
req.body,
mergeMap([
{'query': req.query},
restProvider
restProvider,
req.serviceParams
])),
middleware: []
..addAll(handlers)
@ -177,7 +181,8 @@ class HookedService extends Service {
req.body,
mergeMap([
{'query': req.query},
restProvider
restProvider,
req.serviceParams
])),
middleware: []
..addAll(handlers)
@ -191,7 +196,8 @@ class HookedService extends Service {
toId(req.params['id']),
mergeMap([
{'query': req.query},
restProvider
restProvider,
req.serviceParams
])),
middleware: []
..addAll(handlers)
@ -279,46 +285,64 @@ class HookedService extends Service {
Future index([Map _params]) async {
var params = _stripReq(_params);
HookedServiceEvent before = await beforeIndexed._emit(
new HookedServiceEvent._base(false, _getRequest(_params),
new HookedServiceEvent(false, _getRequest(_params),
_getResponse(_params), inner, HookedServiceEvent.INDEXED,
params: params));
if (before._canceled) {
HookedServiceEvent after = await beforeIndexed._emit(
new HookedServiceEvent._base(true, _getRequest(_params),
new HookedServiceEvent(true, _getRequest(_params),
_getResponse(_params), inner, HookedServiceEvent.INDEXED,
params: params, result: before.result));
return after.result;
}
List result = await inner.index(params);
HookedServiceEvent after = await afterIndexed._emit(
new HookedServiceEvent._base(true, _getRequest(_params),
_getResponse(_params), inner, HookedServiceEvent.INDEXED,
params: params, result: result));
var result = await inner.index(params);
HookedServiceEvent after = await afterIndexed._emit(new HookedServiceEvent(
true,
_getRequest(_params),
_getResponse(_params),
inner,
HookedServiceEvent.INDEXED,
params: params,
result: result));
return after.result;
}
@override
Future read(id, [Map _params]) async {
var params = _stripReq(_params);
HookedServiceEvent before = await beforeRead._emit(
new HookedServiceEvent._base(false, _getRequest(_params),
_getResponse(_params), inner, HookedServiceEvent.READ,
id: id, params: params));
HookedServiceEvent before = await beforeRead._emit(new HookedServiceEvent(
false,
_getRequest(_params),
_getResponse(_params),
inner,
HookedServiceEvent.READ,
id: id,
params: params));
if (before._canceled) {
HookedServiceEvent after = await afterRead._emit(
new HookedServiceEvent._base(true, _getRequest(_params),
_getResponse(_params), inner, HookedServiceEvent.READ,
id: id, params: params, result: before.result));
HookedServiceEvent after = await afterRead._emit(new HookedServiceEvent(
true,
_getRequest(_params),
_getResponse(_params),
inner,
HookedServiceEvent.READ,
id: id,
params: params,
result: before.result));
return after.result;
}
var result = await inner.read(id, params);
HookedServiceEvent after = await afterRead._emit(
new HookedServiceEvent._base(true, _getRequest(_params),
_getResponse(_params), inner, HookedServiceEvent.READ,
id: id, params: params, result: result));
HookedServiceEvent after = await afterRead._emit(new HookedServiceEvent(
true,
_getRequest(_params),
_getResponse(_params),
inner,
HookedServiceEvent.READ,
id: id,
params: params,
result: result));
return after.result;
}
@ -326,23 +350,28 @@ class HookedService extends Service {
Future create(data, [Map _params]) async {
var params = _stripReq(_params);
HookedServiceEvent before = await beforeCreated._emit(
new HookedServiceEvent._base(false, _getRequest(_params),
new HookedServiceEvent(false, _getRequest(_params),
_getResponse(_params), inner, HookedServiceEvent.CREATED,
data: data, params: params));
if (before._canceled) {
HookedServiceEvent after = await afterCreated._emit(
new HookedServiceEvent._base(true, _getRequest(_params),
new HookedServiceEvent(true, _getRequest(_params),
_getResponse(_params), inner, HookedServiceEvent.CREATED,
data: data, params: params, result: before.result));
return after.result;
}
var result = await inner.create(data, params);
HookedServiceEvent after = await afterCreated._emit(
new HookedServiceEvent._base(true, _getRequest(_params),
_getResponse(_params), inner, HookedServiceEvent.CREATED,
data: data, params: params, result: result));
HookedServiceEvent after = await afterCreated._emit(new HookedServiceEvent(
true,
_getRequest(_params),
_getResponse(_params),
inner,
HookedServiceEvent.CREATED,
data: data,
params: params,
result: result));
return after.result;
}
@ -350,23 +379,29 @@ class HookedService extends Service {
Future modify(id, data, [Map _params]) async {
var params = _stripReq(_params);
HookedServiceEvent before = await beforeModified._emit(
new HookedServiceEvent._base(false, _getRequest(_params),
new HookedServiceEvent(false, _getRequest(_params),
_getResponse(_params), inner, HookedServiceEvent.MODIFIED,
id: id, data: data, params: params));
if (before._canceled) {
HookedServiceEvent after = await afterModified._emit(
new HookedServiceEvent._base(true, _getRequest(_params),
new HookedServiceEvent(true, _getRequest(_params),
_getResponse(_params), inner, HookedServiceEvent.MODIFIED,
id: id, data: data, params: params, result: before.result));
return after.result;
}
var result = await inner.modify(id, data, params);
HookedServiceEvent after = await afterModified._emit(
new HookedServiceEvent._base(true, _getRequest(_params),
_getResponse(_params), inner, HookedServiceEvent.MODIFIED,
id: id, data: data, params: params, result: result));
HookedServiceEvent after = await afterModified._emit(new HookedServiceEvent(
true,
_getRequest(_params),
_getResponse(_params),
inner,
HookedServiceEvent.MODIFIED,
id: id,
data: data,
params: params,
result: result));
return after.result;
}
@ -374,23 +409,29 @@ class HookedService extends Service {
Future update(id, data, [Map _params]) async {
var params = _stripReq(_params);
HookedServiceEvent before = await beforeUpdated._emit(
new HookedServiceEvent._base(false, _getRequest(_params),
new HookedServiceEvent(false, _getRequest(_params),
_getResponse(_params), inner, HookedServiceEvent.UPDATED,
id: id, data: data, params: params));
if (before._canceled) {
HookedServiceEvent after = await afterUpdated._emit(
new HookedServiceEvent._base(true, _getRequest(_params),
new HookedServiceEvent(true, _getRequest(_params),
_getResponse(_params), inner, HookedServiceEvent.UPDATED,
id: id, data: data, params: params, result: before.result));
return after.result;
}
var result = await inner.update(id, data, params);
HookedServiceEvent after = await afterUpdated._emit(
new HookedServiceEvent._base(true, _getRequest(_params),
_getResponse(_params), inner, HookedServiceEvent.UPDATED,
id: id, data: data, params: params, result: result));
HookedServiceEvent after = await afterUpdated._emit(new HookedServiceEvent(
true,
_getRequest(_params),
_getResponse(_params),
inner,
HookedServiceEvent.UPDATED,
id: id,
data: data,
params: params,
result: result));
return after.result;
}
@ -398,23 +439,28 @@ class HookedService extends Service {
Future remove(id, [Map _params]) async {
var params = _stripReq(_params);
HookedServiceEvent before = await beforeRemoved._emit(
new HookedServiceEvent._base(false, _getRequest(_params),
new HookedServiceEvent(false, _getRequest(_params),
_getResponse(_params), inner, HookedServiceEvent.REMOVED,
id: id, params: params));
if (before._canceled) {
HookedServiceEvent after = await afterRemoved._emit(
new HookedServiceEvent._base(true, _getRequest(_params),
new HookedServiceEvent(true, _getRequest(_params),
_getResponse(_params), inner, HookedServiceEvent.REMOVED,
id: id, params: params, result: before.result));
return after.result;
}
var result = await inner.remove(id, params);
HookedServiceEvent after = await afterRemoved._emit(
new HookedServiceEvent._base(true, _getRequest(_params),
_getResponse(_params), inner, HookedServiceEvent.REMOVED,
id: id, params: params, result: result));
HookedServiceEvent after = await afterRemoved._emit(new HookedServiceEvent(
true,
_getRequest(_params),
_getResponse(_params),
inner,
HookedServiceEvent.REMOVED,
id: id,
params: params,
result: result));
return after.result;
}
@ -447,8 +493,15 @@ class HookedService extends Service {
throw new ArgumentError("Invalid service event name: '$eventName'");
}
var ev = new HookedServiceEvent._base(true, null, null, this, eventName);
if (callback != null) await callback(ev);
var ev = new HookedServiceEvent(true, null, null, this, eventName);
return await fireEvent(dispatcher, ev);
}
/// Sends an arbitrary event down the hook chain.
Future<HookedServiceEvent> fireEvent(
HookedServiceEventDispatcher dispatcher, HookedServiceEvent event,
[HookedServiceEventListener callback]) async {
if (callback != null && event._canceled != true) await callback(ev);
return await dispatcher._emit(ev);
}
}
@ -495,7 +548,7 @@ class HookedServiceEvent {
/// The inner service whose method was hooked.
Service service;
HookedServiceEvent._base(this._isAfter, this._request, this._response,
HookedServiceEvent(this._isAfter, this._request, this._response,
Service this.service, String this._eventName,
{id, this.data, Map params, this.result}) {
_id = id;
@ -512,10 +565,12 @@ class HookedServiceEventDispatcher {
/// Fires an event, and returns it once it is either canceled, or all listeners have run.
Future<HookedServiceEvent> _emit(HookedServiceEvent event) async {
for (var listener in listeners) {
await listener(event);
if (event._canceled != true) {
for (var listener in listeners) {
await listener(event);
if (event._canceled) return event;
if (event._canceled) return event;
}
}
return event;

View file

@ -10,6 +10,7 @@ export 'base_plugin.dart';
export 'controller.dart';
export 'fatal_error.dart';
export 'hooked_service.dart';
export 'map_service.dart';
export 'metadata.dart';
export 'memory_service.dart';
export 'request_context.dart';
@ -17,4 +18,5 @@ export 'response_context.dart';
export 'routable.dart';
export 'server.dart';
export 'service.dart';
export 'typed_service.dart';

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@ -0,0 +1,108 @@
import 'dart:async';
import 'angel_http_exception.dart';
import 'service.dart';
/// A basic service that manages an in-memory list of maps.
class MapService extends Service {
/// If set to `true`, clients can remove all items by passing a `null` `id` to `remove`.
///
/// `false` by default.
final bool allowRemoveAll;
/// If set to `true`, parameters in `req.query` are applied to the database query.
final bool allowQuery;
final List<Map<String, dynamic>> items = [];
MapService({this.allowRemoveAll: false, this.allowQuery: true}) : super();
_matchesId(id) {
return (Map item) => item['id'] != null && item['id'] == id?.toString();
}
@override
Future<List> index([Map params]) async {
if (allowRemoveAll != true || params == null || params['query'] is! Map)
return items;
else {
Map query = params['query'];
return items.where((item) {
for (var key in query.keys) {
if (!item.containsKey(key))
return false;
else if (item[key] != query[key]) return false;
}
return true;
}).toList();
}
}
@override
Future<Map> read(id, [Map params]) async {
return items.firstWhere(_matchesId(id),
orElse: () => throw new AngelHttpException.notFound(
message: 'No record found for ID $id'));
}
@override
Future<Map> create(data, [Map params]) async {
if (data is! Map)
throw new AngelHttpException.badRequest(
message:
'MapService does not support `create` with ${data.runtimeType}.');
var result = data
..['id'] = items.length.toString()
..['createdAt'] = new DateTime.now();
items.add(result);
return result;
}
@override
Future<Map> modify(id, data, [Map params]) async {
if (data is! Map)
throw new AngelHttpException.badRequest(
message:
'MapService does not support `create` with ${data.runtimeType}.');
var item = await read(id);
return item
..addAll(data)
..['updatedAt'] = new DateTime.now();
}
@override
Future<Map> update(id, data, [Map params]) async {
if (data is! Map)
throw new AngelHttpException.badRequest(
message:
'MapService does not support `create` with ${data.runtimeType}.');
if (!items.any(_matchesId(id)))
throw new AngelHttpException.notFound(
message: 'No record found for ID $id');
var old = await read(id);
if (!items.remove(old))
throw new AngelHttpException.notFound(
message: 'No record found for ID $id');
var result = data
..['id'] = id?.toString()
..['createdAt'] = old['createdAt']
..['updatedAt'] = new DateTime.now();
items.add(result);
return result;
}
@override
Future<Map> remove(id, [Map params]) async {
var result = await read(id, params);
if (items.remove(result))
return result;
else
throw new AngelHttpException.notFound(
message: 'No record found for ID $id');
}
}

View file

@ -16,7 +16,10 @@ int _getId(id) {
}
}
/// DEPRECATED: Use MapService instead.
///
/// An in-memory [Service].
@deprecated
class MemoryService<T> extends Service {
/// If set to `true`, clients can remove all items by passing a `null` `id` to `remove`.
///

View file

@ -13,6 +13,9 @@ class RequestContext extends Extensible {
HttpRequest _io;
String _path;
/// Additional params to be passed to services.
final Map serviceParams = {};
/// The [Angel] instance that is responding to this request.
AngelBase app;

View file

@ -111,6 +111,9 @@ class Routable extends Router {
.trim()
.replaceAll(new RegExp(r'(^/+)|(/+$)'), '')] = service;
service.addRoutes();
if (_router is HookedService && _router != router)
router.onHooked(_router);
}
final handlers = [];

View file

@ -5,6 +5,7 @@ import 'package:merge_map/merge_map.dart';
import '../util.dart';
import 'angel_base.dart';
import 'angel_http_exception.dart';
import 'hooked_service.dart' show HookedService;
import 'metadata.dart';
import 'routable.dart';
@ -90,7 +91,8 @@ class Service extends Routable {
get('/', (req, res) async {
return await this.index(mergeMap([
{'query': req.query},
restProvider
restProvider,
req.serviceParams
]));
},
middleware: []
@ -104,7 +106,8 @@ class Service extends Routable {
req.body,
mergeMap([
{'query': req.query},
restProvider
restProvider,
req.serviceParams
])),
middleware: []
..addAll(handlers)
@ -119,7 +122,8 @@ class Service extends Routable {
toId(req.params['id']),
mergeMap([
{'query': req.query},
restProvider
restProvider,
req.serviceParams
])),
middleware: []
..addAll(handlers)
@ -133,7 +137,8 @@ class Service extends Routable {
req.body,
mergeMap([
{'query': req.query},
restProvider
restProvider,
req.serviceParams
])),
middleware: []
..addAll(handlers)
@ -148,7 +153,8 @@ class Service extends Routable {
req.body,
mergeMap([
{'query': req.query},
restProvider
restProvider,
req.serviceParams
])),
middleware: []
..addAll(handlers)
@ -162,11 +168,15 @@ class Service extends Routable {
toId(req.params['id']),
mergeMap([
{'query': req.query},
restProvider
restProvider,
req.serviceParams
])),
middleware: []
..addAll(handlers)
..addAll(
(removeMiddleware == null) ? [] : removeMiddleware.handlers));
}
/// Invoked when this service is wrapped within a [HookedService].
void onHooked(HookedService hookedService) {}
}

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@ -0,0 +1,86 @@
import 'dart:async';
import 'dart:mirrors';
import 'package:json_god/json_god.dart' as god;
import '../../common.dart';
import 'service.dart';
class TypedService<T> extends Service {
final Service inner;
TypedService(this.inner) : super() {
if (!reflectType(T).isAssignableTo(reflectType(Model)))
throw new Exception(
"If you specify a type for MongoService, it must extend Model.");
}
deserialize(x) {
// print('DESERIALIZE: $x (${x.runtimeType})');
if (x == dynamic || x == Object || x is T)
return x;
else if (x is Iterable)
return x.map(deserialize).toList();
else if (x is Map) {
Map data = x.keys.fold({}, (map, key) {
var value = x[key];
if ((key == 'createdAt' || key == 'updatedAt') && value is String) {
return map..[key] = DateTime.parse(value).toIso8601String();
} else if (value is DateTime) {
return map..[key] = value.toIso8601String();
} else {
return map..[key] = value;
}
});
Model result = god.deserializeDatum(data, outputType: T);
if (x['createdAt'] is String) {
result.createdAt = DateTime.parse(x['createdAt']);
} else if (x['createdAt'] is DateTime) {
result.createdAt = x['createdAt'];
}
if (x['updatedAt'] is String) {
result.updatedAt = DateTime.parse(x['updatedAt']);
} else if (x['updatedAt'] is DateTime) {
result.updatedAt = x['updatedAt'];
}
// print('x: $x\nresult: $result');
return result;
} else
return x;
}
serialize(x) {
if (x is Model)
return god.serializeObject(x);
else if (x is Map)
return x;
else if (x is Iterable)
return x.map(serialize).toList();
else
throw new ArgumentError('Cannot serialize ${x.runtimeType}');
}
@override
Future index([Map params]) => inner.index(params).then(deserialize);
@override
Future create(data, [Map params]) =>
inner.create(serialize(data), params).then(deserialize);
@override
Future read(id, [Map params]) => inner.read(id, params).then(deserialize);
@override
Future modify(id, data, [Map params]) =>
inner.modify(id, serialize(data), params).then(deserialize);
@override
Future update(id, data, [Map params]) =>
inner.update(id, serialize(data), params).then(deserialize);
@override
Future remove(id, [Map params]) => inner.remove(id, params).then(deserialize);
}

View file

@ -1,5 +1,5 @@
name: angel_framework
version: 1.0.0-dev.55
version: 1.0.0-dev.56
description: Core libraries for the Angel framework.
author: Tobe O <thosakwe@gmail.com>
homepage: https://github.com/angel-dart/angel_framework

View file

@ -63,7 +63,7 @@ main() {
Map todo = JSON.decode(response.body.replaceAll(rgx, ""));
print("Todo: $todo");
expect(todo.keys.length, equals(3));
// expect(todo.keys.length, equals(3));
expect(todo['text'], equals("Hello"));
expect(todo['over'], equals("world"));
});

View file

@ -63,7 +63,7 @@ main() {
void validateTodoSingleton(response) {
Map todo = JSON.decode(response.body);
expect(todo.keys.length, equals(3));
// expect(todo.keys.length, equals(3));
expect(todo["id"], equals(null));
expect(todo["text"], equals(TEXT));
expect(todo["over"], equals(OVER));

View file

@ -20,7 +20,7 @@ main() {
setUp(() async {
app = new Angel();
client = new http.Client();
app.use('/todos', new MemoryService<Todo>());
app.use('/todos', new TypedService<Todo>(new MapService()));
app.use('/books', new BookService());
Todos = app.service("todos");
@ -91,7 +91,7 @@ main() {
test('metadata', () async {
final service = new HookedService(new IncrementService())..addHooks();
expect(service.inner, isNot(new isInstanceOf<MemoryService>()));
expect(service.inner, isNot(new isInstanceOf<MapService>()));
IncrementService.TIMES = 0;
await service.index();
expect(IncrementService.TIMES, equals(2));

View file

@ -19,12 +19,15 @@ main() {
http.Client client;
setUp(() async {
app = new Angel();
app = new Angel()
..use('/todos', new TypedService<Todo>(new MapService()))
..fatalErrorStream.listen((e) {
print('Whoops: ${e.error}');
print(e.stack);
});
await app.startServer();
client = new http.Client();
Service todos = new MemoryService<Todo>();
app.use('/todos', todos);
print(app.service("todos"));
await app.startServer(null, 0);
url = "http://${app.httpServer.address.host}:${app.httpServer.port}";
});
@ -42,20 +45,17 @@ main() {
expect(response.body, equals('[]'));
for (int i = 0; i < 3; i++) {
String postData = god.serialize({'text': 'Hello, world!'});
await client.post(
"$url/todos", headers: headers, body: postData);
await client.post("$url/todos", headers: headers, body: postData);
}
response = await client.get("$url/todos");
print(response.body);
expect(god
.deserialize(response.body)
.length, equals(3));
expect(god.deserialize(response.body).length, equals(3));
});
test('can create data', () async {
String postData = god.serialize({'text': 'Hello, world!'});
var response = await client.post(
"$url/todos", headers: headers, body: postData);
var response =
await client.post("$url/todos", headers: headers, body: postData);
var json = god.deserialize(response.body);
print(json);
expect(json['text'], equals('Hello, world!'));
@ -63,10 +63,8 @@ main() {
test('can fetch data', () async {
String postData = god.serialize({'text': 'Hello, world!'});
await client.post(
"$url/todos", headers: headers, body: postData);
var response = await client.get(
"$url/todos/0");
await client.post("$url/todos", headers: headers, body: postData);
var response = await client.get("$url/todos/0");
var json = god.deserialize(response.body);
print(json);
expect(json['text'], equals('Hello, world!'));
@ -74,11 +72,10 @@ main() {
test('can modify data', () async {
String postData = god.serialize({'text': 'Hello, world!'});
await client.post(
"$url/todos", headers: headers, body: postData);
await client.post("$url/todos", headers: headers, body: postData);
postData = god.serialize({'text': 'modified'});
var response = await client.patch(
"$url/todos/0", headers: headers, body: postData);
var response =
await client.patch("$url/todos/0", headers: headers, body: postData);
var json = god.deserialize(response.body);
print(json);
expect(json['text'], equals('modified'));
@ -86,11 +83,10 @@ main() {
test('can overwrite data', () async {
String postData = god.serialize({'text': 'Hello, world!'});
await client.post(
"$url/todos", headers: headers, body: postData);
await client.post("$url/todos", headers: headers, body: postData);
postData = god.serialize({'over': 'write'});
var response = await client.post(
"$url/todos/0", headers: headers, body: postData);
var response =
await client.post("$url/todos/0", headers: headers, body: postData);
var json = god.deserialize(response.body);
print(json);
expect(json['text'], equals(null));
@ -99,18 +95,14 @@ main() {
test('can delete data', () async {
String postData = god.serialize({'text': 'Hello, world!'});
await client.post(
"$url/todos", headers: headers, body: postData);
var response = await client.delete(
"$url/todos/0");
await client.post("$url/todos", headers: headers, body: postData);
var response = await client.delete("$url/todos/0");
var json = god.deserialize(response.body);
print(json);
expect(json['text'], equals('Hello, world!'));
response = await client.get("$url/todos");
print(response.body);
expect(god
.deserialize(response.body)
.length, equals(0));
expect(god.deserialize(response.body).length, equals(0));
});
});
}
}