Login in Angular : first draft

client/angular/users/services/auth.service.ts

@@ -0,0 +1,54 @@
+import { Injectable } from 'angular2/core';
+import { Http, Response, Headers, URLSearchParams } from 'angular2/http';
+import { Observable, Subject } from 'rxjs/Rx';
+
+import { Token } from '../models/token';
+import { AuthStatus } from '../models/authStatus';
+
+@Injectable()
+export class AuthService {
+  private _loginChanged = new Subject<AuthStatus>();
+
+  private _baseLoginUrl = '/api/v1/users/token';
+  private _clientId = '56f055587305d40b21904240';
+  private _clientSecret = 'megustalabanana';
+
+  loginChanged$ = this._loginChanged.asObservable();
+
+  constructor (private http: Http) {}
+
+  login(username: string, password: string) {
+    let body = new URLSearchParams();
+    body.set('client_id', this._clientId);
+    body.set('client_secret', this._clientSecret);
+    body.set('response_type', 'code');
+    body.set('grant_type', 'password');
+    body.set('scope', 'upload');
+    body.set('username', username);
+    body.set('password', password);
+
+    let headers = new Headers();
+    headers.append('Content-Type', 'application/x-www-form-urlencoded');
+
+    let options = {
+      headers: headers
+    }
+
+    return this.http.post(this._baseLoginUrl, body.toString(), options)
+                    .map(res => res.json())
+                    .catch(this.handleError);
+  }
+
+  logout() {
+    // TODO make HTTP request
+  }
+
+  setStatus(status: AuthStatus) {
+    this._loginChanged.next(status);
+  }
+
+  private handleError (error: Response) {
+    console.error(error);
+    return Observable.throw(error.json().error || 'Server error');
+  }
+}