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 import {OrgService} from '@eg/core/org.service';
   7
   8 @Component({
   9   templateUrl : './login.component.html'
  10 })
  11
  12 export class StaffLoginComponent implements OnInit {
  13
  14     workstations: any[];
  15     loginFailed: boolean;
  16
  17     args = {
  18       username : '',
  19       password : '',
  20       workstation : '',
  21       type : 'staff'
  22     };
  23
  24     constructor(
  25       private router: Router,
  26       private route: ActivatedRoute,
  27       private ngLocation: Location,
  28       private renderer: Renderer2,
  29       private auth: AuthService,
  30       private org: OrgService,
  31       private store: StoreService
  32     ) {}
  33
  34     ngOnInit() {
  35         // clear out any stale auth data
  36         this.auth.logout();
  37
  38         // Focus username
  39         this.renderer.selectRootElement('#username').focus();
  40
  41         this.store.getWorkstations()
  42         .then(wsList => {
  43             this.workstations = wsList;
  44             return this.store.getDefaultWorkstation();
  45         }).then(def => {
  46             this.args.workstation = def;
  47             this.applyWorkstation();
  48         });
  49     }
  50
  51     applyWorkstation() {
  52         const wanted = this.route.snapshot.queryParamMap.get('workstation');
  53         if (!wanted) { return; } // use the default
  54
  55         const exists = this.workstations.filter(w => w.name === wanted)[0];
  56         if (exists) {
  57             this.args.workstation = wanted;
  58         } else {
  59             console.error(`Unknown workstation requested: ${wanted}`);
  60         }
  61     }
  62
  63     handleSubmit() {
  64
  65         // post-login URL
  66         let url: string = this.auth.redirectUrl || '/staff/splash';
  67
  68         // prevent sending the user back to the login page
  69         if (url.startsWith('/staff/login')) {
  70             url = '/staff/splash';
  71         }
  72
  73         const workstation: string = this.args.workstation;
  74
  75         this.loginFailed = false;
  76         this.auth.login(this.args).then(
  77             ok => {
  78                 this.auth.redirectUrl = null;
  79
  80                 if (this.auth.workstationState === AuthWsState.NOT_FOUND_SERVER) {
  81                     // User attempted to login with a workstation that is
  82                     // unknown to the server. Redirect to the WS admin page.
  83                     // Reset the WS state to avoid looping back to WS removal
  84                     // page before the new workstation can be activated.
  85                     this.auth.workstationState = AuthWsState.PENDING;
  86                     this.router.navigate(
  87                         [`/staff/admin/workstation/workstations/remove/${workstation}`]);
  88
  89                 } else {
  90
  91                     // Initial login clears cached org unit settings.
  92                     this.org.clearCachedSettings().then(_ => {
  93
  94                         // Force reload of the app after a successful login.
  95                         // This allows the route resolver to re-run with a
  96                         // valid auth token and workstation.
  97
  98                         // Temporarily redirect to AngularJS splash page
  99                         // (LP#1848550/LP#1835128)
 100                         window.location.href = '/eg/staff/splash';
 101                             // this.ngLocation.prepareExternalUrl(url);
 102
 103                     });
 104                 }
 105             },
 106             notOk => {
 107                 this.loginFailed = true;
 108             }
 109         );
 110     }
 111 }
 112
 113
 114