Open-ILS/src/eg2/src/app/staff/share/patron/patron.service.ts

   1 import {Injectable} from '@angular/core';
   2 import {IdlObject} from '@eg/core/idl.service';
   3 import {NetService} from '@eg/core/net.service';
   4 import {EventService} from '@eg/core/event.service';
   5 import {PcrudService} from '@eg/core/pcrud.service';
   6 import {AuthService} from '@eg/core/auth.service';
   7 import {Observable} from 'rxjs';
   8
   9
  10 @Injectable()
  11 export class PatronService {
  12     constructor(
  13         private net: NetService,
  14         private evt: EventService,
  15         private pcrud: PcrudService,
  16         private auth: AuthService
  17     ) {}
  18
  19     bcSearch(barcode: string): Observable<any> {
  20         return this.net.request(
  21             'open-ils.actor',
  22             'open-ils.actor.get_barcodes',
  23             this.auth.token(), this.auth.user().ws_ou(),
  24            'actor', barcode.trim());
  25     }
  26
  27     getByBarcode(barcode: string, pcrudOps?: any): Promise<IdlObject> {
  28         return this.bcSearch(barcode).toPromise()
  29         .then(barcodes => {
  30
  31             // Use the first successful barcode response.
  32             // TODO: What happens when there are multiple responses?
  33             // Use for-loop for early exit since we have async
  34             // action within the loop.
  35             for (let i = 0; i < barcodes.length; i++) {
  36                 const bc = barcodes[i];
  37                 if (!this.evt.parse(bc)) {
  38                     return this.getById(bc.id);
  39                 }
  40             }
  41
  42             return null;
  43         });
  44     }
  45
  46     getById(id: number, pcrudOps?: any): Promise<IdlObject> {
  47         return this.pcrud.retrieve('au', id, pcrudOps).toPromise();
  48     }
  49
  50 }
  51