Open-ILS/src/eg2/src/app/share/catalog/bib-record.service.ts

   1 import {Injectable} from '@angular/core';
   2 import {Observable, from} from 'rxjs';
   3 import {mergeMap, map, tap} from 'rxjs/operators';
   4 import {OrgService} from '@eg/core/org.service';
   5 import {UnapiService} from '@eg/share/catalog/unapi.service';
   6 import {IdlService, IdlObject} from '@eg/core/idl.service';
   7 import {NetService} from '@eg/core/net.service';
   8 import {PcrudService} from '@eg/core/pcrud.service';
   9
  10 export const NAMESPACE_MAPS = {
  11     'mods':     'http://www.loc.gov/mods/v3',
  12     'biblio':   'http://open-ils.org/spec/biblio/v1',
  13     'holdings': 'http://open-ils.org/spec/holdings/v1',
  14     'indexing': 'http://open-ils.org/spec/indexing/v1'
  15 };
  16
  17 export const HOLDINGS_XPATH =
  18     '/holdings:holdings/holdings:counts/holdings:count';
  19
  20 interface EResourceUrl {
  21     href: string;
  22     note: string;
  23     label: string;
  24 }
  25
  26 export class BibRecordSummary {
  27     id: number; // == record.id() for convenience
  28     metabibId: number; // If present, this is a metabib summary
  29     metabibRecords: number[]; // all constituent bib records
  30     orgId: number;
  31     orgDepth: number;
  32     record: IdlObject;
  33     display: any;
  34     attributes: any;
  35     holdingsSummary: any;
  36     holdCount: number;
  37     bibCallNumber: string;
  38     firstCallNumber: string;
  39     net: NetService;
  40     displayHighlights: {[name: string]: string | string[]} = {};
  41     eResourceUrls: EResourceUrl[] = [];
  42     copies: any[];
  43
  44     constructor(record: IdlObject, orgId: number, orgDepth?: number) {
  45         this.id = Number(record.id());
  46         this.record = record;
  47         this.orgId = orgId;
  48         this.orgDepth = orgDepth;
  49         this.display = {};
  50         this.attributes = {};
  51         this.bibCallNumber = null;
  52         this.metabibRecords = [];
  53     }
  54
  55     // Get -> Set -> Return bib-level call number
  56     getBibCallNumber(): Promise<string> {
  57
  58         if (this.bibCallNumber !== null) {
  59             return Promise.resolve(this.bibCallNumber);
  60         }
  61
  62         return this.net.request(
  63             'open-ils.cat',
  64             'open-ils.cat.biblio.record.marc_cn.retrieve',
  65             this.id, null, this.orgId
  66         ).toPromise().then(cnArray => {
  67             if (cnArray && cnArray.length > 0) {
  68                 const key1 = Object.keys(cnArray[0])[0];
  69                 this.bibCallNumber = cnArray[0][key1];
  70             } else {
  71                 this.bibCallNumber = '';
  72             }
  73             return this.bibCallNumber;
  74         });
  75     }
  76 }
  77
  78 @Injectable()
  79 export class BibRecordService {
  80
  81     // Cache of bib editor / creator objects
  82     // Assumption is this list will be limited in size.
  83     userCache: {[id: number]: IdlObject};
  84
  85     constructor(
  86         private idl: IdlService,
  87         private net: NetService,
  88         private org: OrgService,
  89         private unapi: UnapiService,
  90         private pcrud: PcrudService
  91     ) {
  92         this.userCache = {};
  93     }
  94
  95     getBibSummary(id: number,
  96         orgId?: number, isStaff?: boolean): Observable<BibRecordSummary> {
  97         return this.getBibSummaries([id], orgId, isStaff);
  98     }
  99
 100     getBibSummaries(bibIds: number[], orgId?: number,
 101         isStaff?: boolean, options?: any): Observable<BibRecordSummary> {
 102
 103         if (bibIds.length === 0) { return from([]); }
 104         if (!orgId) { orgId = this.org.root().id(); }
 105
 106         let method = 'open-ils.search.biblio.record.catalog_summary';
 107         if (isStaff) { method += '.staff'; }
 108
 109         return this.net.request('open-ils.search', method, orgId, bibIds, options)
 110         .pipe(map(bibSummary => {
 111             const summary = new BibRecordSummary(bibSummary.record, orgId);
 112             summary.net = this.net; // inject
 113             summary.display = bibSummary.display;
 114             summary.attributes = bibSummary.attributes;
 115             summary.holdCount = bibSummary.hold_count;
 116             summary.holdingsSummary = bibSummary.copy_counts;
 117             summary.eResourceUrls = bibSummary.urls;
 118             summary.copies = bibSummary.copies;
 119             summary.firstCallNumber = bibSummary.first_call_number;
 120
 121             return summary;
 122         }));
 123     }
 124
 125     getMetabibSummaries(metabibIds: number[],
 126         orgId?: number, isStaff?: boolean, options?: any): Observable<BibRecordSummary> {
 127
 128         if (metabibIds.length === 0) { return from([]); }
 129         if (!orgId) { orgId = this.org.root().id(); }
 130
 131         let method = 'open-ils.search.biblio.metabib.catalog_summary';
 132         if (isStaff) { method += '.staff'; }
 133
 134         return this.net.request('open-ils.search', method, orgId, metabibIds, options)
 135         .pipe(map(metabibSummary => {
 136             const summary = new BibRecordSummary(metabibSummary.record, orgId);
 137             summary.net = this.net; // inject
 138             summary.metabibId = Number(metabibSummary.metabib_id);
 139             summary.metabibRecords = metabibSummary.metabib_records;
 140             summary.display = metabibSummary.display;
 141             summary.attributes = metabibSummary.attributes;
 142             summary.holdCount = metabibSummary.hold_count;
 143             summary.holdingsSummary = metabibSummary.copy_counts;
 144             summary.copies = metabibSummary.copies;
 145             summary.firstCallNumber = metabibSummary.first_call_number;
 146
 147             return summary;
 148         }));
 149     }
 150 }
 151
 152