Open-ILS/src/eg2/src/app/staff/acq/lineitem/brief-record.component.ts

   1 import {Component, OnInit, Input, Output} from '@angular/core';
   2 import {ActivatedRoute, Router, ParamMap} from '@angular/router';
   3 import {IdlService, IdlObject} from '@eg/core/idl.service';
   4 import {NetService} from '@eg/core/net.service';
   5 import {PcrudService} from '@eg/core/pcrud.service';
   6 import {AuthService} from '@eg/core/auth.service';
   7
   8 const MARC_NS = 'http://www.loc.gov/MARC21/slim';
   9
  10 const MARC_XML_BASE = `
  11 <record xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  12     xmlns="http://www.loc.gov/MARC21/slim"
  13     xmlns:marc="http://www.loc.gov/MARC21/slim"
  14     xsi:schemaLocation="http://www.loc.gov/MARC21/slim http://www.loc.gov/ standards/marcxml/schema/MARC21slim.xsd">
  15     <leader>00000nam a22000007a 4500</leader>
  16 </record>
  17 `;
  18
  19 @Component({
  20   templateUrl: 'brief-record.component.html',
  21   selector: 'eg-lineitem-brief-record'
  22 })
  23 export class BriefRecordComponent implements OnInit {
  24
  25     targetPicklist: number;
  26     targetPo: number;
  27
  28     attrs: IdlObject[] = [];
  29     values: {[attr: string]: string} = {};
  30
  31     constructor(
  32         private router: Router,
  33         private route: ActivatedRoute,
  34         private idl: IdlService,
  35         private auth: AuthService,
  36         private net: NetService,
  37         private pcrud: PcrudService
  38     ) { }
  39
  40     ngOnInit() {
  41
  42         this.route.parent.paramMap.subscribe((params: ParamMap) => {
  43             this.targetPicklist = +params.get('picklistId');
  44             this.targetPo = +params.get('poId');
  45         });
  46
  47         this.pcrud.retrieveAll('acqlimad')
  48         .subscribe(attr => this.attrs.push(attr));
  49     }
  50
  51     compile(): string {
  52
  53         const doc = new DOMParser().parseFromString(MARC_XML_BASE, 'text/xml');
  54
  55         this.attrs.forEach(attr => {
  56             const value = this.values[attr.id()];
  57             if (value === undefined) { return; }
  58
  59             const expr = attr.xpath();
  60
  61             // Logic copied from openils/MarcXPathParser.js
  62             // Any 3 numbers are a 'tag'.
  63             // Any letters are a subfield.
  64             // Always use the first.
  65             const tags = expr.match(/\d{3}/g);
  66             let subfields = expr.match(/['"]([a-z]+)['"]/);
  67             if (subfields) { subfields = subfields[1].split(''); }
  68
  69             const dfNode = doc.createElementNS(MARC_NS, 'marc:datafield');
  70             const sfNode = doc.createElementNS(MARC_NS, 'marc:subfield');
  71
  72             // Append fields to the document
  73             dfNode.setAttribute('tag', '' + tags[0]);
  74             dfNode.setAttribute('ind1', ' ');
  75             dfNode.setAttribute('ind2', ' ');
  76             sfNode.setAttribute('code', '' + subfields[0]);
  77             const tNode = doc.createTextNode(value);
  78
  79             sfNode.appendChild(tNode);
  80             dfNode.appendChild(sfNode);
  81             doc.documentElement.appendChild(dfNode);
  82         });
  83
  84         return new XMLSerializer().serializeToString(doc);
  85     }
  86
  87     save() {
  88         const xml = this.compile();
  89
  90         const li = this.idl.create('jub');
  91         li.marc(xml);
  92
  93         if (this.targetPicklist) {
  94             li.picklist(this.targetPicklist);
  95         } else if (this.targetPo) {
  96             li.purchase_order(this.targetPo);
  97         }
  98
  99         li.selector(this.auth.user().id());
 100         li.creator(this.auth.user().id());
 101         li.editor(this.auth.user().id());
 102
 103         this.net.request('open-ils.acq',
 104             'open-ils.acq.lineitem.create', this.auth.token(), li
 105         ).toPromise().then(_ => {
 106             this.router.navigate(['../'], {
 107                 relativeTo: this.route,
 108                 queryParamsHandling: 'merge'
 109             });
 110         });
 111     }
 112 }
 113