fix(list-view): refresh list view after a resource is deleted or erased (DEV-1353)

src/app/main/services/component-communication-event.service.ts

@@ -38,5 +38,6 @@ export class EmitEvent {
 export enum Events {
     loginSuccess,
     gravSearchExecuted,
-    projectCreated
+    projectCreated,
+    resourceDeleted
 }

src/app/project/beta/ontology-classes/ontology-class-item/ontology-class-item.component.ts

@@ -1,7 +1,9 @@
 import { Component, Inject, Input, OnInit } from '@angular/core';
 import { ActivatedRoute, Router } from '@angular/router';
 import { ClassDefinition, KnoraApiConnection, CountQueryResponse, ApiResponseError, Constants } from '@dasch-swiss/dsp-js';
+import { Subscription } from 'rxjs';
 import { DspApiConnectionToken } from 'src/app/main/declarations/dsp-api-tokens';
+import { ComponentCommunicationEventService, Events } from 'src/app/main/services/component-communication-event.service';
 import { ErrorHandlerService } from 'src/app/main/services/error-handler.service';
 import { OntologyService } from 'src/app/project/ontology/ontology.service';
 
@@ -24,6 +26,8 @@ export class OntologyClassItemComponent implements OnInit {
 
     icon: string;
 
+    componentCommsSubscriptions: Subscription[]= [];
+
     // i18n setup
     itemPluralMapping = {
         entry: {
@@ -37,13 +41,13 @@ export class OntologyClassItemComponent implements OnInit {
         private _errorHandler: ErrorHandlerService,
         private _ontologyService: OntologyService,
         private _route: ActivatedRoute,
-        private _router: Router
+        private _router: Router,
+        private _componentCommsService: ComponentCommunicationEventService,
     ) {
 
     }
 
     ngOnInit(): void {
-
         const projectCode = this._route.snapshot.params.shortcode;
         const splitIri = this.resClass.id.split('#');
         const ontologyName = this._ontologyService.getOntologyName(splitIri[0]);
@@ -52,16 +56,15 @@ export class OntologyClassItemComponent implements OnInit {
         this.gravsearch = this._setGravsearch(this.resClass.id);
 
         // get number of resource instances
-        this._dspApiConnection.v2.search.doExtendedSearchCountQuery(this.gravsearch).subscribe(
-            (res: CountQueryResponse) => {
-                this.results = res.numberOfResults;
-            },
-            (error: ApiResponseError) => {
-                this._errorHandler.showMessage(error);
-            }
-        );
+        this._getSearchCount();
 
         this.icon = this._getIcon();
+
+        this.componentCommsSubscriptions.push(this._componentCommsService.on(
+            Events.resourceDeleted, () => {
+                this._getSearchCount();
+            }
+        ));
     }
 
     open(route: string) {
@@ -121,4 +124,15 @@ export class OntologyClassItemComponent implements OnInit {
         }
     }
 
+    private _getSearchCount() {
+        this._dspApiConnection.v2.search.doExtendedSearchCountQuery(this.gravsearch).subscribe(
+            (res: CountQueryResponse) => {
+                this.results = res.numberOfResults;
+            },
+            (error: ApiResponseError) => {
+                this._errorHandler.showMessage(error);
+            }
+        );
+    }
+
 }

src/app/workspace/resource/properties/properties.component.ts

@@ -30,6 +30,7 @@ import {
 import { Subscription } from 'rxjs';
 import { DspApiConnectionToken } from 'src/app/main/declarations/dsp-api-tokens';
 import { ConfirmationWithComment, DialogComponent } from 'src/app/main/dialog/dialog.component';
+import { ComponentCommunicationEventService, EmitEvent, Events as CommsEvents } from 'src/app/main/services/component-communication-event.service';
 import { ErrorHandlerService } from 'src/app/main/services/error-handler.service';
 import { NotificationService } from 'src/app/main/services/notification.service';
 import { DspResource } from '../dsp-resource';
@@ -155,6 +156,7 @@ export class PropertiesComponent implements OnInit, OnChanges, OnDestroy {
         private _userService: UserService,
         private _valueOperationEventService: ValueOperationEventService,
         private _valueService: ValueService,
+        private _componentCommsService: ComponentCommunicationEventService
     ) { }
 
     ngOnInit(): void {
@@ -318,6 +320,7 @@ export class PropertiesComponent implements OnInit, OnChanges, OnDestroy {
                                     // display notification and mark resource as 'deleted'
                                     this._notification.openSnackBar(`${response.result}: ${this.resource.res.label}`);
                                     this.deletedResource = true;
+                                    this._componentCommsService.emit(new EmitEvent(CommsEvents.resourceDeleted));
                                 },
                                 (error: ApiResponseError) => {
                                     this._errorHandler.showMessage(error);
@@ -332,6 +335,7 @@ export class PropertiesComponent implements OnInit, OnChanges, OnDestroy {
                                     // display notification and mark resource as 'erased'
                                     this._notification.openSnackBar(`${response.result}: ${this.resource.res.label}`);
                                     this.deletedResource = true;
+                                    this._componentCommsService.emit(new EmitEvent(CommsEvents.resourceDeleted));
                                 },
                                 (error: ApiResponseError) => {
                                     this._errorHandler.showMessage(error);

src/app/workspace/results/list-view/list-view.component.ts

@@ -1,11 +1,12 @@
-import { Component, EventEmitter, Inject, Input, OnChanges, Output } from '@angular/core';
+import { Component, EventEmitter, Inject, Input, OnChanges, OnInit, Output } from '@angular/core';
 import { PageEvent } from '@angular/material/paginator';
 import { ApiResponseError, CountQueryResponse, IFulltextSearchParams, KnoraApiConnection, ReadResourceSequence } from '@dasch-swiss/dsp-js';
 import { DspApiConnectionToken } from 'src/app/main/declarations/dsp-api-tokens';
 import { ErrorHandlerService } from 'src/app/main/services/error-handler.service';
 import { ComponentCommunicationEventService, EmitEvent, Events } from 'src/app/main/services/component-communication-event.service';
 import { NotificationService } from 'src/app/main/services/notification.service';
 import { ActivatedRoute } from '@angular/router';
+import { Subscription } from 'rxjs';
 
 /**
  * query: search query. It can be gravserch query or fulltext string query.
@@ -59,7 +60,7 @@ export interface CheckboxUpdate {
     templateUrl: './list-view.component.html',
     styleUrls: ['./list-view.component.scss']
 })
-export class ListViewComponent implements OnChanges {
+export class ListViewComponent implements OnChanges, OnInit {
 
     @Input() search: SearchParams;
 
@@ -81,6 +82,8 @@ export class ListViewComponent implements OnChanges {
 
     selectedResourceIdx: number[] = [];
 
+    componentCommsSubscriptions: Subscription[]= [];
+
     resetCheckBoxes = false;
 
     // matPaginator Output
@@ -110,6 +113,14 @@ export class ListViewComponent implements OnChanges {
         }
     }
 
+    ngOnInit(): void {
+        this.componentCommsSubscriptions.push(this._componentCommsService.on(
+            Events.resourceDeleted, () => {
+                this._doSearch();
+            }
+        ));
+    }
+
     ngOnChanges(): void {
         // reset
         this.pageEvent = new PageEvent();