Fix: better handle saved view errors in dashboard widgets (#13164)

src-ui/src/app/components/dashboard/widgets/saved-view-widget/saved-view-widget.component.html

@@ -14,7 +14,9 @@
   }
 
   <div content class="wrapper fade" [class.show]="show()">
-  @if (displayMode() === DisplayMode.TABLE) {
+  @if (error()) {
+    <div class="alert alert-danger mb-0" role="alert"><ng-container i18n>Error while loading documents</ng-container>: {{error()}}</div>
+  } @else if (displayMode() === DisplayMode.TABLE) {
     <table class="table table-hover mb-0 mt-n2 align-middle">
       <thead>
         <tr>

src-ui/src/app/components/dashboard/widgets/saved-view-widget/saved-view-widget.component.spec.ts

@@ -1,6 +1,10 @@
 import { DragDropModule } from '@angular/cdk/drag-drop'
 import { DatePipe } from '@angular/common'
-import { provideHttpClient, withInterceptorsFromDi } from '@angular/common/http'
+import {
+  HttpErrorResponse,
+  provideHttpClient,
+  withInterceptorsFromDi,
+} from '@angular/common/http'
 import { provideHttpClientTesting } from '@angular/common/http/testing'
 import { ComponentFixture, TestBed } from '@angular/core/testing'
 import { By } from '@angular/platform-browser'
@@ -8,7 +12,7 @@ import { Router } from '@angular/router'
 import { RouterTestingModule } from '@angular/router/testing'
 import { NgbModule } from '@ng-bootstrap/ng-bootstrap'
 import { NgxBootstrapIconsModule, allIcons } from 'ngx-bootstrap-icons'
-import { Subject, of } from 'rxjs'
+import { Subject, of, throwError } from 'rxjs'
 import { routes } from 'src/app/app-routing.module'
 import { CustomFieldDisplayComponent } from 'src/app/components/common/custom-field-display/custom-field-display.component'
 import { PreviewPopupComponent } from 'src/app/components/common/preview-popup/preview-popup.component'
@@ -230,6 +234,27 @@ describe('SavedViewWidgetComponent', () => {
     expect(component.documents()).toEqual(documentResults)
   })
 
+  it('should show an error if documents fail to load', () => {
+    jest.spyOn(documentService, 'listFiltered').mockReturnValue(
+      throwError(
+        () =>
+          new HttpErrorResponse({
+            error: { added__date__lte: ['Enter a valid date.'] },
+            status: 400,
+          })
+      )
+    )
+
+    component.reload()
+    fixture.detectChanges()
+
+    expect(component.loading()).toBe(false)
+    expect(component.error()).toEqual('Added: Enter a valid date.')
+    expect(fixture.debugElement.nativeElement.textContent).toContain(
+      'Error while loading documents: Added: Enter a valid date.'
+    )
+  })
+
   it('should reload on document consumption finished', () => {
     const fileStatusSubject = new Subject<FileStatus>()
     jest

src-ui/src/app/components/dashboard/widgets/saved-view-widget/saved-view-widget.component.ts

@@ -125,6 +125,8 @@ export class SavedViewWidgetComponent
 
   readonly count = signal<number>(null)
 
+  readonly error = signal<string | null>(null)
+
   placeholderRows: number[] = []
 
   ngOnInit(): void {
@@ -180,6 +182,7 @@ export class SavedViewWidgetComponent
 
   reload() {
     this.loading.set(this.documents().length == 0)
+    this.error.set(null)
     this.show.set(true)
     this.documentService
       .listFiltered(
@@ -191,12 +194,40 @@ export class SavedViewWidgetComponent
         { truncate_content: true }
       )
       .pipe(takeUntil(this.unsubscribeNotifier))
-      .subscribe((result) => {
-        this.documents.set(result.results)
-        this.count.set(result.count)
-        this.savedViewService.setDocumentCount(this.savedView, result.count)
-        this.loading.set(false)
-        this.show.set(true)
+      .subscribe({
+        next: (result) => {
+          this.documents.set(result.results)
+          this.count.set(result.count)
+          this.savedViewService.setDocumentCount(this.savedView, result.count)
+          this.loading.set(false)
+          this.show.set(true)
+        },
+        error: (error) => {
+          this.documents.set([])
+          this.count.set(null)
+          let errorMessage
+          if (
+            typeof error.error === 'object' &&
+            Object.keys(error.error).length > 0
+          ) {
+            errorMessage = Object.keys(error.error)
+              .map((fieldName) => {
+                const fieldNameBase = fieldName.split('__')[0]
+                const fieldError: Array<string> = error.error[fieldName]
+                return `${
+                  this.documentService.sortFields.find(
+                    (f) => f.field?.split('__')[0] == fieldNameBase
+                  )?.name ?? fieldNameBase
+                }: ${fieldError[0]}`
+              })
+              .join(', ')
+          } else {
+            errorMessage = error.error
+          }
+          this.error.set(errorMessage)
+          this.loading.set(false)
+          this.show.set(true)
+        },
       })
   }