Open-ILS/src/eg2/src/app/staff/catalog/record/copies.component.ts

   1 import {Component, OnInit, Input, ViewChild} from '@angular/core';
   2 import {Observable, of} from 'rxjs';
   3 import {map} from 'rxjs/operators';
   4 import {NetService} from '@eg/core/net.service';
   5 import {StaffCatalogService} from '../catalog.service';
   6 import {Pager} from '@eg/share/util/pager';
   7 import {OrgService} from '@eg/core/org.service';
   8 import {GridDataSource, GridColumn, GridCellTextGenerator} from '@eg/share/grid/grid';
   9 import {GridComponent} from '@eg/share/grid/grid.component';
  10 import {BroadcastService} from '@eg/share/util/broadcast.service';
  11
  12 @Component({
  13   selector: 'eg-catalog-copies',
  14   templateUrl: 'copies.component.html'
  15 })
  16 export class CopiesComponent implements OnInit {
  17
  18     recId: number;
  19     initDone = false;
  20     gridDataSource: GridDataSource;
  21     copyContext: any; // grid context
  22     @ViewChild('copyGrid', { static: true }) copyGrid: GridComponent;
  23
  24     @Input() set recordId(id: number) {
  25         this.recId = id;
  26         // Only force new data collection when recordId()
  27         // is invoked after ngInit() has already run.
  28         if (this.initDone) {
  29             this.copyGrid.reload();
  30         }
  31     }
  32
  33     cellTextGenerator: GridCellTextGenerator;
  34
  35     constructor(
  36         private net: NetService,
  37         private org: OrgService,
  38         private staffCat: StaffCatalogService,
  39         private broadcaster: BroadcastService
  40     ) {
  41         this.gridDataSource = new GridDataSource();
  42     }
  43
  44     ngOnInit() {
  45         this.initDone = true;
  46
  47         this.gridDataSource.getRows = (pager: Pager, sort: any[]) => {
  48             // sorting not currently supported
  49             return this.fetchCopies(pager);
  50         };
  51
  52         this.copyContext = {
  53             holdable: (copy: any) => {
  54                 return copy.holdable === 't'
  55                     && copy.location_holdable === 't'
  56                     && copy.status_holdable === 't';
  57             }
  58         };
  59
  60         this.cellTextGenerator = {
  61             callnumber: row => (`${row.call_number_prefix_label} ` +
  62                 `${row.call_number_label} ${row.call_number_suffix_label}`).trim(),
  63             holdable: row => this.copyContext.holdable(row),
  64             barcode: row => row.barcode
  65         };
  66
  67         this.broadcaster.listen('eg.holdings.update').subscribe(data => {
  68             if (data && data.records && data.records.includes(this.recId)) {
  69                 this.copyGrid.reload();
  70             }
  71         });
  72     }
  73
  74     orgName(orgId: number): string {
  75         return this.org.get(orgId).shortname();
  76     }
  77
  78     fetchCopies(pager: Pager): Observable<any> {
  79         if (!this.recId) { return of([]); }
  80
  81         // "Show Result from All Libraries" i.e. global search displays
  82         // copies from all branches, sorted by search/pref libs.
  83         const copy_depth = this.staffCat.searchContext.global ?
  84             this.org.root().ou_type().depth() :
  85             this.staffCat.searchContext.searchOrg.ou_type().depth();
  86
  87         return this.net.request(
  88             'open-ils.search',
  89             'open-ils.search.bib.copies.staff',
  90             this.recId,
  91             this.staffCat.searchContext.searchOrg.id(),
  92             copy_depth,
  93             pager.limit,
  94             pager.offset,
  95             this.staffCat.prefOrg ? this.staffCat.prefOrg.id() : null
  96         ).pipe(map(copy => {
  97             copy.active_date = copy.active_date || copy.create_date;
  98             return copy;
  99         }));
 100     }
 101 }
 102
 103