Open-ILS/src/eg2/src/app/staff/login.component.ts

   1 import {Component, OnInit, Renderer2} from '@angular/core';
   2 import {Location} from '@angular/common';
   3 import {Router, ActivatedRoute} from '@angular/router';
   4 import {AuthService, AuthWsState} from '@eg/core/auth.service';
   5 import {StoreService} from '@eg/core/store.service';
   6
   7 @Component({
   8   templateUrl : './login.component.html'
   9 })
  10
  11 export class StaffLoginComponent implements OnInit {
  12
  13     workstations: any[];
  14     loginFailed: boolean;
  15
  16     args = {
  17       username : '',
  18       password : '',
  19       workstation : '',
  20       type : 'staff'
  21     };
  22
  23     constructor(
  24       private router: Router,
  25       private route: ActivatedRoute,
  26       private ngLocation: Location,
  27       private renderer: Renderer2,
  28       private auth: AuthService,
  29       private store: StoreService
  30     ) {}
  31
  32     ngOnInit() {
  33         // clear out any stale auth data
  34         this.auth.logout();
  35
  36         // Focus username
  37         this.renderer.selectRootElement('#username').focus();
  38
  39         this.workstations = this.store.getLocalItem('eg.workstation.all');
  40         this.args.workstation =
  41             this.store.getLocalItem('eg.workstation.default');
  42         this.applyWorkstation();
  43     }
  44
  45     applyWorkstation() {
  46         const wanted = this.route.snapshot.queryParamMap.get('workstation');
  47         if (!wanted) { return; } // use the default
  48
  49         const exists = this.workstations.filter(w => w.name === wanted)[0];
  50         if (exists) {
  51             this.args.workstation = wanted;
  52         } else {
  53             console.error(`Unknown workstation requested: ${wanted}`);
  54         }
  55     }
  56
  57     handleSubmit() {
  58
  59         // post-login URL
  60         let url: string = this.auth.redirectUrl || '/staff/splash';
  61
  62         // prevent sending the user back to the login page
  63         if (url.startsWith('/staff/login')) {
  64             url = '/staff/splash';
  65         }
  66
  67         const workstation: string = this.args.workstation;
  68
  69         this.loginFailed = false;
  70         this.auth.login(this.args).then(
  71             ok => {
  72                 this.auth.redirectUrl = null;
  73
  74                 if (this.auth.workstationState === AuthWsState.NOT_FOUND_SERVER) {
  75                     // User attempted to login with a workstation that is
  76                     // unknown to the server. Redirect to the WS admin page.
  77                     // Reset the WS state to avoid looping back to WS removal
  78                     // page before the new workstation can be activated.
  79                     this.auth.workstationState = AuthWsState.PENDING;
  80                     this.router.navigate(
  81                         [`/staff/admin/workstation/workstations/remove/${workstation}`]);
  82                 } else {
  83                     // Force reload of the app after a successful login.
  84                     // This allows the route resolver to re-run with a
  85                     // valid auth token and workstation.
  86                     window.location.href =
  87                         this.ngLocation.prepareExternalUrl(url);
  88                 }
  89             },
  90             notOk => {
  91                 this.loginFailed = true;
  92             }
  93         );
  94     }
  95 }
  96
  97
  98