Adapt frontend to when highlight is empty

src-ui/src/app/components/document-list/document-card-large/document-card-large.component.html

@@ -43,7 +43,7 @@
         </div>
         <p class="card-text">
           @if (document) {
-            @if (document.__search_hit__ && document.__search_hit__.highlights) {
+            @if (hasSearchHighlights) {
               <span [innerHtml]="document.__search_hit__.highlights"></span>
             }
             @for (highlight of searchNoteHighlights; track highlight) {
@@ -52,7 +52,7 @@
                 <span [innerHtml]="highlight"></span>
               </span>
             }
-            @if (!document.__search_hit__?.score) {
+            @if (shouldShowContentFallback) {
               <span class="result-content">{{contentTrimmed}}</span>
             }
           } @else {

src-ui/src/app/components/document-list/document-card-large/document-card-large.component.spec.ts

@@ -127,6 +127,19 @@ describe('DocumentCardLargeComponent', () => {
     expect(component.searchNoteHighlights).toContain('<span>bananas</span>')
   })
 
+  it('should fall back to document content when a search hit has no highlights', () => {
+    component.document.__search_hit__ = {
+      score: 0.9,
+      rank: 1,
+      highlights: '',
+      note_highlights: null,
+    }
+    fixture.detectChanges()
+
+    expect(fixture.nativeElement.textContent).toContain('Cupcake ipsum')
+    expect(component.shouldShowContentFallback).toBe(true)
+  })
+
   it('should try to close the preview on mouse leave', () => {
     component.popupPreview = {
       close: jest.fn(),

src-ui/src/app/components/document-list/document-card-large/document-card-large.component.ts

@@ -164,6 +164,17 @@ export class DocumentCardLargeComponent
     )
   }
 
+  get hasSearchHighlights() {
+    return Boolean(this.document?.__search_hit__?.highlights?.trim()?.length)
+  }
+
+  get shouldShowContentFallback() {
+    return (
+      this.document?.__search_hit__?.score == null ||
+      (!this.hasSearchHighlights && this.searchNoteHighlights.length === 0)
+    )
+  }
+
   get notesEnabled(): boolean {
     return this.settingsService.get(SETTINGS_KEYS.NOTES_ENABLED)
   }