Open-ILS/src/eg2/src/app/staff/share/op-change/op-change.component.ts

   1 import {Component, OnInit, Input, Renderer2} from '@angular/core';
   2 import {ToastService} from '@eg/share/toast/toast.service';
   3 import {AuthService} from '@eg/core/auth.service';
   4 import {DialogComponent} from '@eg/share/dialog/dialog.component';
   5 import {NgbModal} from '@ng-bootstrap/ng-bootstrap';
   6 import {NetRequest, NetService} from '@eg/core/net.service';
   7
   8 @Component({
   9   selector: 'eg-op-change',
  10   templateUrl: 'op-change.component.html'
  11 })
  12
  13 export class OpChangeComponent
  14     extends DialogComponent implements OnInit {
  15
  16     @Input() username: string;
  17     @Input() password: string;
  18     @Input() loginType = 'temp';
  19
  20     @Input() successMessage: string;
  21     @Input() failMessage: string;
  22
  23     requestToEscalate: NetRequest;
  24
  25     constructor(
  26         private modal: NgbModal, // required for passing to parent
  27         private renderer: Renderer2,
  28         private toast: ToastService,
  29         private net: NetService,
  30         private auth: AuthService) {
  31         super(modal);
  32     }
  33
  34     ngOnInit() {
  35         // Focus the username any time the dialog is opened.
  36         this.onOpen$.subscribe(
  37             val => this.renderer.selectRootElement('#username').focus()
  38         );
  39     }
  40
  41     login(): Promise<any> {
  42         if (!(this.username && this.password)) {
  43             return Promise.reject('Missing Params');
  44         }
  45
  46         return this.auth.login(
  47             {   username    : this.username,
  48                 password    : this.password,
  49                 workstation : this.auth.workstation(),
  50                 type        : this.loginType
  51             },  true        // isOpChange
  52         ).then(
  53             ok => {
  54                 this.password = '';
  55                 this.username = '';
  56
  57                 // Fetch the user object
  58                 this.auth.testAuthToken().then(
  59                     ok2 => {
  60                         this.close();
  61                         this.toast.success(this.successMessage);
  62                         if (this.requestToEscalate) {
  63                             // Allow a breath for the dialog to clean up.
  64                             setTimeout(() => this.sendEscalatedRequest());
  65                         }
  66                     }
  67                 );
  68             },
  69             notOk => {
  70                 this.password = '';
  71                 this.toast.danger(this.failMessage);
  72             }
  73         );
  74     }
  75
  76     restore(): Promise<any> {
  77         return this.auth.undoOpChange().then(
  78             ok => this.toast.success(this.successMessage),
  79             err => this.toast.danger(this.failMessage)
  80         );
  81     }
  82
  83     escalateRequest(req: NetRequest) {
  84         this.requestToEscalate = req;
  85         this.open({});
  86     }
  87
  88     // Resend a net request using the credentials just created
  89     // via operator change.
  90     sendEscalatedRequest() {
  91         const sourceReq = this.requestToEscalate;
  92         delete this.requestToEscalate;
  93
  94         console.debug('Op-Change escalating request', sourceReq);
  95
  96         // Clone the source request, modifying the params to
  97         // use the op-change'd authtoken
  98         const req = new NetRequest(
  99             sourceReq.service,
 100             sourceReq.method,
 101             [this.auth.token()].concat(sourceReq.params.splice(1))
 102         );
 103
 104         // Relay responses received for our escalated request to
 105         // the caller via the original request observer.
 106         this.net.requestCompiled(req)
 107         .subscribe(
 108             res => sourceReq.observer.next(res),
 109             err => sourceReq.observer.error(err),
 110             ()  => sourceReq.observer.complete()
 111         ).add(_ => this.auth.undoOpChange());
 112     }
 113 }
 114
 115