Frontend

src-ui/src/app/components/common/confirm-dialog/merge-confirm-dialog/merge-confirm-dialog.component.html

@@ -28,10 +28,16 @@
         </select>
     </div>
     <div class="form-check form-switch mt-4">
+      <input class="form-check-input" type="checkbox" role="switch" id="archiveFallbackSwitch" [(ngModel)]="archiveFallback">
+      <label class="form-check-label" for="archiveFallbackSwitch" i18n>Try to include archive version in merge for non-PDF files</label>
+    </div>
+    <div class="form-check form-switch mt-2">
       <input class="form-check-input" type="checkbox" role="switch" id="deleteOriginalsSwitch" [(ngModel)]="deleteOriginals" [disabled]="!userOwnsAllDocuments">
       <label class="form-check-label" for="deleteOriginalsSwitch" i18n>Delete original documents after successful merge</label>
     </div>
-    <p class="small text-muted fst-italic mt-4" i18n>Note that only PDFs will be included.</p>
+    @if (!archiveFallback) {
+      <p class="small text-muted fst-italic mt-4" i18n>Note that only PDFs will be included.</p>
+    }
 </div>
 <div class="modal-footer">
     <button type="button" class="btn" [class]="cancelBtnClass" (click)="cancel()" [disabled]="!buttonsEnabled">

src-ui/src/app/components/common/confirm-dialog/merge-confirm-dialog/merge-confirm-dialog.component.ts

@@ -29,6 +29,7 @@ export class MergeConfirmDialogComponent
   implements OnInit
 {
   public documentIDs: number[] = []
+  public archiveFallback: boolean = false
   public deleteOriginals: boolean = false
   private _documents: Document[] = []
   get documents(): Document[] {

src-ui/src/app/components/document-list/bulk-editor/bulk-editor.component.spec.ts

@@ -1040,6 +1040,27 @@ describe('BulkEditorComponent', () => {
       `${environment.apiBaseUrl}documents/?page=1&page_size=100000&fields=id`
     ) // listAllFilteredIds
     expect(documentListViewService.selected.size).toEqual(0)
+
+    // Test with archiveFallback enabled
+    modal.componentInstance.deleteOriginals = false
+    modal.componentInstance.archiveFallback = true
+    modal.componentInstance.confirm()
+    req = httpTestingController.expectOne(
+      `${environment.apiBaseUrl}documents/bulk_edit/`
+    )
+    req.flush(true)
+    expect(req.request.body).toEqual({
+      documents: [3, 4],
+      method: 'merge',
+      parameters: { metadata_document_id: 3, archive_fallback: true },
+    })
+    httpTestingController.match(
+      `${environment.apiBaseUrl}documents/?page=1&page_size=50&ordering=-created&truncate_content=true`
+    ) // list reload
+    httpTestingController.match(
+      `${environment.apiBaseUrl}documents/?page=1&page_size=100000&fields=id`
+    ) // listAllFilteredIds
+    expect(documentListViewService.selected.size).toEqual(0)
   })
 
   it('should support bulk download with archive, originals or both and file formatting', () => {

src-ui/src/app/components/document-list/bulk-editor/bulk-editor.component.ts

@@ -857,6 +857,9 @@ export class BulkEditorComponent
         if (mergeDialog.deleteOriginals) {
           args['delete_originals'] = true
         }
+        if (mergeDialog.archiveFallback) {
+          args['archive_fallback'] = true
+        }
         mergeDialog.buttonsEnabled = false
         this.executeBulkOperation(modal, 'merge', args, mergeDialog.documentIDs)
         this.toastService.showInfo(