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

   1 import {Component, OnInit, ViewChild, HostListener} from '@angular/core';
   2 import {NgbNav, NgbNavChangeEvent} from '@ng-bootstrap/ng-bootstrap';
   3 import {Router, ActivatedRoute, ParamMap} from '@angular/router';
   4 import {IdlObject} from '@eg/core/idl.service';
   5 import {AuthService} from '@eg/core/auth.service';
   6 import {CatalogSearchContext} from '@eg/share/catalog/search-context';
   7 import {BibRecordService, BibRecordSummary} from '@eg/share/catalog/bib-record.service';
   8 import {StaffCatalogService} from '../catalog.service';
   9 import {AddedContentComponent} from '@eg/staff/catalog/content/added-content.component';
  10 import {StoreService} from '@eg/core/store.service';
  11 import {ConfirmDialogComponent} from '@eg/share/dialog/confirm.component';
  12 import {MarcEditorComponent} from '@eg/staff/share/marc-edit/editor.component';
  13 import {HoldingsMaintenanceComponent} from './holdings.component';
  14 import {HoldingsService} from '@eg/staff/share/holdings/holdings.service';
  15 import { ServerStoreService } from '@eg/core/server-store.service';
  16
  17 @Component({
  18     selector: 'eg-catalog-record',
  19     templateUrl: 'record.component.html',
  20     styleUrls: ['record.component.css']
  21 })
  22 export class RecordComponent implements OnInit {
  23
  24     recordId: number;
  25     recordTab: string;
  26     added_content_activated = false;
  27     added_content_sources: string[] = [];
  28     summary: BibRecordSummary;
  29     searchContext: CatalogSearchContext;
  30     @ViewChild('recordTabs', { static: true }) recordTabs: NgbNav;
  31     @ViewChild('marcEditor', {static: false}) marcEditor: MarcEditorComponent;
  32     @ViewChild('addedContent', { static: true }) addedContent: AddedContentComponent;
  33
  34     @ViewChild('holdingsMaint', {static: false})
  35         holdingsMaint: HoldingsMaintenanceComponent;
  36
  37     defaultTab: string; // eg.cat.default_record_tab
  38
  39     @ViewChild('pendingChangesDialog', {static: false})
  40         pendingChangesDialog: ConfirmDialogComponent;
  41
  42     constructor(
  43         private router: Router,
  44         private route: ActivatedRoute,
  45         private auth: AuthService,
  46         private bib: BibRecordService,
  47         private staffCat: StaffCatalogService,
  48         private holdings: HoldingsService,
  49         private store: StoreService,
  50         private serverStore: ServerStoreService,
  51     ) {}
  52
  53     ngOnInit() {
  54         this.searchContext = this.staffCat.searchContext;
  55
  56         this.defaultTab =
  57             this.store.getLocalItem('eg.cat.default_record_tab')
  58             || 'item_table';
  59
  60         // Watch for URL record ID changes
  61         // This includes the initial route.
  62         // When applying the default configured tab, no navigation occurs
  63         // to apply the tab name to the URL, it displays as the default.
  64         // This is done so no intermediate redirect is required, which
  65         // messes with browser back/forward navigation.
  66         this.route.paramMap.subscribe((params: ParamMap) => {
  67             this.recordTab = params.get('tab');
  68             this.recordId = +params.get('id');
  69             this.searchContext = this.staffCat.searchContext;
  70
  71             this.store.setLocalItem('eg.cat.last_record_retrieved', this.recordId);
  72
  73             if (!this.recordTab) {
  74                 this.recordTab = this.defaultTab || 'item_table';
  75             }
  76
  77             this.loadRecord();
  78         });
  79     }
  80
  81     setDefaultTab() {
  82         this.defaultTab = this.recordTab;
  83         this.store.setLocalItem('eg.cat.default_record_tab', this.recordTab);
  84     }
  85
  86     // Changing a tab in the UI means changing the route.
  87     // Changing the route ultimately results in changing the tab.
  88     beforeNavChange(evt: NgbNavChangeEvent) {
  89
  90         // prevent tab changing until after route navigation
  91         evt.preventDefault();
  92
  93         // Protect against tab changes with dirty data.
  94         this.canDeactivate().then(ok => {
  95             if (ok) {
  96                 this.recordTab = evt.nextId;
  97                 this.routeToTab();
  98             }
  99         });
 100     }
 101
 102     /*
 103      * Handle 3 types of navigation which can cause loss of data.
 104      * 1. Record detail tab navigation (see also beforeTabChange())
 105      * 2. Intra-Angular route navigation away from the record detail page
 106      * 3. Browser page unload/reload
 107      *
 108      * For the #1, and #2, display a eg confirmation dialog.
 109      * For #3 use the stock browser onbeforeunload dialog.
 110      *
 111      * Note in this case a tab change is a route change, but it's one
 112      * which does not cause RecordComponent to unload, so it has to be
 113      * manually tracked in beforeTabChange().
 114      */
 115     @HostListener('window:beforeunload', ['$event'])
 116     canDeactivate($event?: Event): Promise<boolean> {
 117
 118         if (this.marcEditor && this.marcEditor.changesPending()) {
 119
 120             // Each warning dialog clears the current "changes are pending"
 121             // flag so the user is not presented with the dialog again
 122             // unless new changes are made.
 123             this.marcEditor.clearPendingChanges();
 124
 125             if ($event) { // window.onbeforeunload
 126                 $event.preventDefault();
 127                 $event.returnValue = true;
 128
 129             } else { // tab OR route change.
 130                 return this.pendingChangesDialog.open().toPromise();
 131             }
 132
 133         } else {
 134             return Promise.resolve(true);
 135         }
 136     }
 137
 138     routeToTab() {
 139         const url =
 140             `/staff/catalog/record/${this.recordId}/${this.recordTab}`;
 141
 142         // Retain search parameters
 143         this.router.navigate([url], {queryParamsHandling: 'merge'});
 144     }
 145
 146     loadRecord(): void {
 147
 148         // Avoid re-fetching the same record summary during tab navigation.
 149         if (this.staffCat.currentDetailRecordSummary &&
 150             this.recordId === this.staffCat.currentDetailRecordSummary.id) {
 151             this.summary = this.staffCat.currentDetailRecordSummary;
 152             this.activateAddedContent();
 153             return;
 154         }
 155
 156         this.summary = null;
 157         this.bib.getBibSummary(
 158             this.recordId,
 159             this.searchContext.searchOrg.id(),
 160             this.searchContext.isStaff).toPromise()
 161             .then(summary => {
 162                 this.summary =
 163                 this.staffCat.currentDetailRecordSummary = summary;
 164                 this.activateAddedContent();
 165             });
 166     }
 167
 168     // Lets us intercept the summary object and augment it with
 169     // search highlight data if/when it becomes available from
 170     // an externally executed search.
 171     summaryForDisplay(): BibRecordSummary {
 172         if (!this.summary) { return null; }
 173         const sum = this.summary;
 174         const ctx = this.searchContext;
 175
 176         if (Object.keys(sum.displayHighlights).length === 0) {
 177             if (ctx.highlightData[sum.id]) {
 178                 sum.displayHighlights = ctx.highlightData[sum.id];
 179             }
 180         }
 181
 182         return this.summary;
 183     }
 184
 185     currentSearchOrg(): IdlObject {
 186         if (this.staffCat && this.staffCat.searchContext) {
 187             return this.staffCat.searchContext.searchOrg;
 188         }
 189         return null;
 190     }
 191
 192     handleMarcRecordSaved() {
 193         this.staffCat.currentDetailRecordSummary = null;
 194         this.loadRecord();
 195     }
 196
 197     // Our actions component broadcast a request to add holdings.
 198     // If our Holdings Maintenance component is active/visible, ask
 199     // it to figure out what data to pass to the holdings editor.
 200     // Otherwise, just tell it to create a new call number and
 201     // copy at the current working location.
 202     addHoldingsRequested() {
 203         if (this.holdingsMaint && this.holdingsMaint.holdingsGrid) {
 204             this.holdingsMaint.openHoldingAdd(
 205                 this.holdingsMaint.holdingsGrid.context.getSelectedRows(),
 206                 true, true
 207             );
 208
 209         } else {
 210
 211             this.holdings.spawnAddHoldingsUi(
 212                 this.recordId, null, [{owner: this.auth.user().ws_ou()}]);
 213         }
 214     }
 215
 216     // This just sets the record component-level flag. choices about /if/ to
 217     // gather AC should go in here and set this.added_content_activated as needed.
 218     activateAddedContent(): void {
 219         // NovelistSelect settings
 220         this.serverStore.getItemBatch([
 221             'staff.added_content.novelistselect.profile',
 222             'staff.added_content.novelistselect.passwd'
 223         ]).then(settings => {
 224             // eslint-disable-next-line eqeqeq
 225             const activate = !!(Object.values(settings).filter(v => !!v).length == 2);
 226             this.added_content_activated ||= activate;
 227
 228             if (activate) {
 229                 if (!this.added_content_sources.includes('novelist')) {
 230                     this.added_content_sources.push('novelist');
 231                 }
 232             }
 233         });
 234     }
 235 }
 236
 237