Support empty all

src-ui/src/app/components/admin/trash/trash.component.ts

@@ -66,7 +66,7 @@ export class TrashComponent implements OnDestroy {
       })
   }
 
-  emptyTrash(documents: Set<number> = null) {
+  emptyTrash(documents?: Set<number>) {
     let modal = this.modalService.open(ConfirmDialogComponent, {
       backdrop: 'static',
     })

src-ui/src/app/services/trash.service.spec.ts

@@ -7,7 +7,7 @@ import {
 } from '@angular/common/http/testing'
 import { environment } from 'src/environments/environment'
 
-describe('TrashServiceService', () => {
+describe('TrashService', () => {
   let service: TrashService
   let httpTestingController: HttpTestingController
 
@@ -33,7 +33,16 @@ describe('TrashServiceService', () => {
       `${environment.apiBaseUrl}trash/`
     )
     expect(req.request.method).toEqual('POST')
-    expect(req.request.body).toEqual({ action: 'empty', documents: [] })
+    expect(req.request.body).toEqual({ action: 'empty' })
+
+    service.emptyTrash([1, 2, 3]).subscribe()
+    const req2 = httpTestingController.expectOne(
+      `${environment.apiBaseUrl}trash/`
+    )
+    expect(req2.request.body).toEqual({
+      action: 'empty',
+      documents: [1, 2, 3],
+    })
   })
 
   it('should call correct endpoint for restoreDocuments', () => {

src-ui/src/app/services/trash.service.ts

@@ -18,11 +18,14 @@ export class TrashService {
     })
   }
 
-  public emptyTrash(documents: number[] = []): Observable<any> {
-    return this.http.post(`${environment.apiBaseUrl}trash/`, {
+  public emptyTrash(documents?: number[]): Observable<any> {
+    const data = {
       action: 'empty',
-      documents,
-    })
+    }
+    if (documents?.length) {
+      data['documents'] = documents
+    }
+    return this.http.post(`${environment.apiBaseUrl}trash/`, data)
   }
 
   public restoreDocuments(documents: number[]): Observable<any> {