otf-frontend/client/src/app/shared/services/feathers.service.ts

   1 /*  Copyright (c) 2019 AT&T Intellectual Property.                             #\r
   2 #                                                                              #\r
   3 #   Licensed under the Apache License, Version 2.0 (the "License");            #\r
   4 #   you may not use this file except in compliance with the License.           #\r
   5 #   You may obtain a copy of the License at                                    #\r
   6 #                                                                              #\r
   7 #       http://www.apache.org/licenses/LICENSE-2.0                             #\r
   8 #                                                                              #\r
   9 #   Unless required by applicable law or agreed to in writing, software        #\r
  10 #   distributed under the License is distributed on an "AS IS" BASIS,          #\r
  11 #   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.   #\r
  12 #   See the License for the specific language governing permissions and        #\r
  13 #   limitations under the License.                                             #\r
  14 ##############################################################################*/\r
  15 \r
  16 \r
  17     \r
  18 import { Injectable, OnInit } from '@angular/core';\r
  19 \r
  20 import * as feathers from '@feathersjs/client';\r
  21 import * as io from 'socket.io-client';\r
  22 import * as socketio from '@feathersjs/socketio-client';\r
  23 import * as authentication from '@feathersjs/authentication-client';\r
  24 import { Observable, from, interval } from 'rxjs';\r
  25 import { now } from 'moment';\r
  26 import { AppGlobals } from 'app/app.global';\r
  27 import { CookieService } from 'ngx-cookie-service';\r
  28 import { Router } from '@angular/router';\r
  29 \r
  30 \r
  31 @Injectable({\r
  32   providedIn: 'root'\r
  33 })\r
  34 export class FeathersService {\r
  35   // There are no proper typings available for feathers, due to its plugin-heavy nature\r
  36   private _feathers: any;\r
  37   public _socket: any;\r
  38   public auth: Observable<Object>;\r
  39   \r
  40   constructor(private route: Router) {\r
  41     this._socket = io('/',{\r
  42       transports: ['websocket']\r
  43     });       // init socket.io\r
  44     this._socket.on('connect_error', function(data){\r
  45       route.navigateByUrl('/login');\r
  46     });\r
  47     this._feathers = feathers();                      // init Feathers             // add hooks plugin\r
  48     this._feathers.configure(socketio(this._socket, {\r
  49         timeout: 100000000\r
  50     })); // add socket.io plugin\r
  51     this._feathers.configure(authentication({\r
  52         storage: window.localStorage,\r
  53         storageKey: 'access_token'\r
  54     }));\r
  55 \r
  56     //set observiable for services to check before calling the service\r
  57     this.auth = from(this._feathers.authenticate());\r
  58     \r
  59   }\r
  60 \r
  61   // expose services\r
  62   public service(name: string) {\r
  63     return this._feathers.service(name);\r
  64   }\r
  65 \r
  66   public socket(){\r
  67     return this._socket;\r
  68   }\r
  69 \r
  70   // expose authentication\r
  71   public authenticate(credentials?): Observable<Object> { \r
  72     return new Observable(observer => {\r
  73       this.auth = from(this._feathers.authenticate(credentials).then(res => {\r
  74         observer.next(res);\r
  75       }, err => {\r
  76         observer.error(err);\r
  77         this.route.navigate(['/login'])\r
  78       }));\r
  79     });\r
  80 \r
  81   }\r
  82 \r
  83   // expose logout\r
  84   public logout() {\r
  85     return this._feathers.logout();\r
  86   }\r
  87 }\r
  88 \r