Ok, frontend reprocess remote option

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

@@ -0,0 +1,28 @@
+<div class="modal-header">
+  <h4 class="modal-title" id="modal-basic-title">{{title}}</h4>
+  <button type="button" class="btn-close" aria-label="Close" (click)="cancel()">
+  </button>
+</div>
+<div class="modal-body">
+  @if (messageBold) {
+    <p class="text-break"><b>{{messageBold}}</b></p>
+  }
+  @if (message) {
+    <p class="mb-0 text-break" [innerHTML]="message"></p>
+  }
+  @if (showRemoteOcr) {
+    <div class="form-check mt-3">
+      <input class="form-check-input" type="checkbox" id="reprocessRemoteOcr" [(ngModel)]="remoteOcr" />
+      <label class="form-check-label" for="reprocessRemoteOcr" i18n>Use remote OCR</label>
+      <div class="form-text" i18n>Sends the document to the configured remote OCR service, which may incur costs.</div>
+    </div>
+  }
+</div>
+<div class="modal-footer">
+  <button type="button" class="btn" [class]="cancelBtnClass" (click)="cancel()" [disabled]="!buttonsEnabled">
+    <span class="d-inline-block" style="padding-bottom: 1px;">{{cancelBtnCaption}}</span>
+  </button>
+  <button type="button" class="btn" [class]="btnClass" (click)="confirm()" [disabled]="!confirmButtonEnabled || !buttonsEnabled">
+    {{btnCaption}}
+  </button>
+</div>

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

@@ -0,0 +1,72 @@
+import { provideHttpClient, withInterceptorsFromDi } from '@angular/common/http'
+import { provideHttpClientTesting } from '@angular/common/http/testing'
+import { ComponentFixture, TestBed } from '@angular/core/testing'
+import { NgbActiveModal } from '@ng-bootstrap/ng-bootstrap'
+import { RemoteOCRModeConfig } from 'src/app/data/paperless-config'
+import { SETTINGS_KEYS } from 'src/app/data/ui-settings'
+import { SettingsService } from 'src/app/services/settings.service'
+import { ReprocessConfirmDialogComponent } from './reprocess-confirm-dialog.component'
+
+describe('ReprocessConfirmDialogComponent', () => {
+  let component: ReprocessConfirmDialogComponent
+  let fixture: ComponentFixture<ReprocessConfirmDialogComponent>
+  let settingsService: SettingsService
+
+  const createComponent = (configured: boolean, mode: string) => {
+    settingsService.set(SETTINGS_KEYS.REMOTE_OCR_CONFIGURED, configured)
+    settingsService.set(SETTINGS_KEYS.REMOTE_OCR_MODE, mode)
+
+    fixture = TestBed.createComponent(ReprocessConfirmDialogComponent)
+    component = fixture.componentInstance
+    fixture.detectChanges()
+  }
+
+  beforeEach(async () => {
+    TestBed.configureTestingModule({
+      providers: [
+        NgbActiveModal,
+        provideHttpClient(withInterceptorsFromDi()),
+        provideHttpClientTesting(),
+      ],
+      imports: [ReprocessConfirmDialogComponent],
+    }).compileComponents()
+
+    settingsService = TestBed.inject(SettingsService)
+  })
+
+  it('should not request remote OCR by default', () => {
+    createComponent(true, RemoteOCRModeConfig.WORKFLOW_ONLY)
+
+    expect(component.remoteOcr).toBeFalsy()
+  })
+
+  it('should not offer remote OCR when no engine is configured', () => {
+    createComponent(false, RemoteOCRModeConfig.WORKFLOW_ONLY)
+
+    expect(component.showRemoteOcr).toBeFalsy()
+    expect(
+      fixture.nativeElement.querySelector('#reprocessRemoteOcr')
+    ).toBeNull()
+  })
+
+  it('should not offer remote OCR when it already handles every document', () => {
+    createComponent(true, RemoteOCRModeConfig.ALWAYS)
+
+    expect(component.showRemoteOcr).toBeFalsy()
+    expect(
+      fixture.nativeElement.querySelector('#reprocessRemoteOcr')
+    ).toBeNull()
+  })
+
+  it('should offer remote OCR when configured and selective', () => {
+    createComponent(true, RemoteOCRModeConfig.WORKFLOW_ONLY)
+
+    expect(component.showRemoteOcr).toBeTruthy()
+    const checkbox = fixture.nativeElement.querySelector('#reprocessRemoteOcr')
+    expect(checkbox).not.toBeNull()
+
+    checkbox.click()
+    fixture.detectChanges()
+    expect(component.remoteOcr).toBeTruthy()
+  })
+})

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

@@ -0,0 +1,20 @@
+import { Component, inject } from '@angular/core'
+import { FormsModule } from '@angular/forms'
+import { SettingsService } from 'src/app/services/settings.service'
+import { ConfirmDialogComponent } from '../confirm-dialog.component'
+
+@Component({
+  selector: 'pngx-reprocess-confirm-dialog',
+  templateUrl: './reprocess-confirm-dialog.component.html',
+  imports: [FormsModule],
+})
+export class ReprocessConfirmDialogComponent extends ConfirmDialogComponent {
+  private settings = inject(SettingsService)
+
+  remoteOcr: boolean = false
+
+  public get showRemoteOcr(): boolean {
+    // Hidden when it is not configured, or when it already handles every document anyway.
+    return this.settings.remoteOCRIsSelectable
+  }
+}

src-ui/src/app/components/document-detail/document-detail.component.spec.ts

@@ -963,12 +963,24 @@ describe('DocumentDetailComponent', () => {
     component.reprocess()
     const modalCloseSpy = jest.spyOn(openModal, 'close')
     openModal.componentInstance.confirmClicked.next()
-    expect(reprocessSpy).toHaveBeenCalledWith({ documents: [doc.id] })
+    expect(reprocessSpy).toHaveBeenCalledWith({ documents: [doc.id] }, false)
     expect(modalSpy).toHaveBeenCalled()
     expect(toastSpy).toHaveBeenCalled()
     expect(modalCloseSpy).toHaveBeenCalled()
   })
 
+  it('should pass remote OCR choice when reprocessing', () => {
+    initNormally()
+    const reprocessSpy = jest.spyOn(documentService, 'reprocessDocuments')
+    reprocessSpy.mockReturnValue(of(true))
+    let openModal: NgbModalRef
+    modalService.activeInstances.subscribe((modal) => (openModal = modal[0]))
+    component.reprocess()
+    openModal.componentInstance.remoteOcr = true
+    openModal.componentInstance.confirmClicked.next()
+    expect(reprocessSpy).toHaveBeenCalledWith({ documents: [doc.id] }, true)
+  })
+
   it('should show error if redo ocr call fails', () => {
     initNormally()
     const reprocessSpy = jest.spyOn(documentService, 'reprocessDocuments')

src-ui/src/app/components/document-detail/document-detail.component.ts

@@ -97,6 +97,7 @@ import { ISODateAdapter } from 'src/app/utils/ngb-iso-date-adapter'
 import * as UTIF from 'utif'
 import { DocumentDetailFieldID } from '../admin/settings/settings.component'
 import { ConfirmDialogComponent } from '../common/confirm-dialog/confirm-dialog.component'
+import { ReprocessConfirmDialogComponent } from '../common/confirm-dialog/reprocess-confirm-dialog/reprocess-confirm-dialog.component'
 import { PasswordRemovalConfirmDialogComponent } from '../common/confirm-dialog/password-removal-confirm-dialog/password-removal-confirm-dialog.component'
 import { CustomFieldsDropdownComponent } from '../common/custom-fields-dropdown/custom-fields-dropdown.component'
 import { CorrespondentEditDialogComponent } from '../common/edit-dialog/correspondent-edit-dialog/correspondent-edit-dialog.component'
@@ -1402,7 +1403,7 @@ export class DocumentDetailComponent
   }
 
   reprocess() {
-    let modal = this.modalService.open(ConfirmDialogComponent, {
+    let modal = this.modalService.open(ReprocessConfirmDialogComponent, {
       backdrop: 'static',
     })
     modal.componentInstance.title = $localize`Reprocess confirm`
@@ -1413,7 +1414,10 @@ export class DocumentDetailComponent
     modal.componentInstance.confirmClicked.subscribe(() => {
       modal.componentInstance.buttonsEnabled = false
       this.documentsService
-        .reprocessDocuments({ documents: [this.document().id] })
+        .reprocessDocuments(
+          { documents: [this.document().id] },
+          modal.componentInstance.remoteOcr
+        )
         .subscribe({
           next: () => {
             this.toastService.showInfo(

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

@@ -1122,6 +1122,7 @@ describe('BulkEditorComponent', () => {
     req.flush(true)
     expect(req.request.body).toEqual({
       documents: [3, 4],
+      remote_ocr: false,
     })
     httpTestingController.match(
       `${environment.apiBaseUrl}documents/?page=1&page_size=50&ordering=-created&truncate_content=true&include_selection_data=true`

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

@@ -51,6 +51,7 @@ import { ToastService } from 'src/app/services/toast.service'
 import { flattenTags } from 'src/app/utils/flatten-tags'
 import { queryParamsFromFilterRules } from 'src/app/utils/query-params'
 import { MergeConfirmDialogComponent } from '../../common/confirm-dialog/merge-confirm-dialog/merge-confirm-dialog.component'
+import { ReprocessConfirmDialogComponent } from '../../common/confirm-dialog/reprocess-confirm-dialog/reprocess-confirm-dialog.component'
 import { RotateConfirmDialogComponent } from '../../common/confirm-dialog/rotate-confirm-dialog/rotate-confirm-dialog.component'
 import { CorrespondentEditDialogComponent } from '../../common/edit-dialog/correspondent-edit-dialog/correspondent-edit-dialog.component'
 import { CustomFieldEditDialogComponent } from '../../common/edit-dialog/custom-field-edit-dialog/custom-field-edit-dialog.component'
@@ -909,7 +910,7 @@ export class BulkEditorComponent
   }
 
   reprocessSelected() {
-    let modal = this.modalService.open(ConfirmDialogComponent, {
+    let modal = this.modalService.open(ReprocessConfirmDialogComponent, {
       backdrop: 'static',
     })
     modal.componentInstance.title = $localize`Reprocess confirm`
@@ -923,7 +924,10 @@ export class BulkEditorComponent
         modal.componentInstance.buttonsEnabled = false
         this.executeDocumentAction(
           modal,
-          this.documentService.reprocessDocuments(this.getSelectionQuery())
+          this.documentService.reprocessDocuments(
+            this.getSelectionQuery(),
+            modal.componentInstance.remoteOcr
+          )
         )
       })
   }

src-ui/src/app/data/ui-settings.ts

@@ -1,5 +1,6 @@
 import { PdfEditorEditMode } from '../components/common/pdf-editor/pdf-editor-edit-mode'
 import { PdfZoomScale } from '../components/common/pdf-viewer/pdf-viewer.types'
+import { RemoteOCRModeConfig } from './paperless-config'
 import { User } from './user'
 
 export interface UiSettings {
@@ -94,6 +95,8 @@ export const SETTINGS_KEYS = {
   OUTLOOK_OAUTH_URL: 'outlook_oauth_url',
   EMAIL_ENABLED: 'email_enabled',
   AI_ENABLED: 'ai_enabled',
+  REMOTE_OCR_CONFIGURED: 'remote_ocr:configured',
+  REMOTE_OCR_MODE: 'remote_ocr:mode',
 }
 
 export const SETTINGS: UiSetting[] = [
@@ -347,4 +350,14 @@ export const SETTINGS: UiSetting[] = [
     type: 'string',
     default: PdfEditorEditMode.Create,
   },
+  {
+    key: SETTINGS_KEYS.REMOTE_OCR_CONFIGURED,
+    type: 'boolean',
+    default: false,
+  },
+  {
+    key: SETTINGS_KEYS.REMOTE_OCR_MODE,
+    type: 'string',
+    default: RemoteOCRModeConfig.ALWAYS,
+  },
 ]

src-ui/src/app/services/rest/document.service.spec.ts

@@ -284,6 +284,21 @@ describe(`DocumentService`, () => {
     expect(req.request.method).toEqual('POST')
     expect(req.request.body).toEqual({
       documents: ids,
+      remote_ocr: false,
+    })
+  })
+
+  it('should request remote OCR when reprocessing with it enabled', () => {
+    const ids = [1, 2, 3]
+    subscription = service
+      .reprocessDocuments({ documents: ids }, true)
+      .subscribe()
+    const req = httpTestingController.expectOne(
+      `${environment.apiBaseUrl}${endpoint}/reprocess/`
+    )
+    expect(req.request.body).toEqual({
+      documents: ids,
+      remote_ocr: true,
     })
   })
 

src-ui/src/app/services/rest/document.service.ts

@@ -349,9 +349,13 @@ export class DocumentService extends AbstractPaperlessService<Document> {
     })
   }
 
-  reprocessDocuments(selection: DocumentSelectionQuery) {
+  reprocessDocuments(
+    selection: DocumentSelectionQuery,
+    remoteOcr: boolean = false
+  ) {
     return this.http.post(this.getResourceUrl(null, 'reprocess'), {
       ...selection,
+      remote_ocr: remoteOcr,
     })
   }
 

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

@@ -13,6 +13,7 @@ import { environment } from 'src/environments/environment'
 import { CustomFieldDataType } from '../data/custom-field'
 import { DEFAULT_DISPLAY_FIELDS, DisplayField } from '../data/document'
 import { SavedView } from '../data/saved-view'
+import { RemoteOCRModeConfig } from '../data/paperless-config'
 import { SETTINGS_KEYS, UiSettings } from '../data/ui-settings'
 import { PermissionsService } from './permissions.service'
 import { CustomFieldsService } from './rest/custom-fields.service'
@@ -434,4 +435,26 @@ describe('SettingsService', () => {
         ).name
     ).toEqual(customFields[0].name)
   })
+  it('should offer remote OCR only when configured and selective', () => {
+    settingsService.set(SETTINGS_KEYS.REMOTE_OCR_CONFIGURED, false)
+    settingsService.set(
+      SETTINGS_KEYS.REMOTE_OCR_MODE,
+      RemoteOCRModeConfig.WORKFLOW_ONLY
+    )
+    expect(settingsService.remoteOCRIsSelectable).toBeFalsy()
+
+    // configured, but already handling every document
+    settingsService.set(SETTINGS_KEYS.REMOTE_OCR_CONFIGURED, true)
+    settingsService.set(
+      SETTINGS_KEYS.REMOTE_OCR_MODE,
+      RemoteOCRModeConfig.ALWAYS
+    )
+    expect(settingsService.remoteOCRIsSelectable).toBeFalsy()
+
+    settingsService.set(
+      SETTINGS_KEYS.REMOTE_OCR_MODE,
+      RemoteOCRModeConfig.WORKFLOW_ONLY
+    )
+    expect(settingsService.remoteOCRIsSelectable).toBeTruthy()
+  })
 })

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

@@ -19,6 +19,7 @@ import {
 } from 'src/app/utils/color'
 import { DEFAULT_APP_TITLE, environment } from 'src/environments/environment'
 import { DEFAULT_DISPLAY_FIELDS, DisplayField } from '../data/document'
+import { RemoteOCRModeConfig } from '../data/paperless-config'
 import { SavedView } from '../data/saved-view'
 import {
   PAPERLESS_GREEN_HEX,
@@ -687,6 +688,17 @@ export class SettingsService {
     return this.settingIsSet(SETTINGS_KEYS.UPDATE_CHECKING_ENABLED)
   }
 
+  /**
+   * Offering remote OCR as a  choice only makes sense when an engine
+   * is configured but is not already handling every document.
+   */
+  get remoteOCRIsSelectable(): boolean {
+    return (
+      this.get(SETTINGS_KEYS.REMOTE_OCR_CONFIGURED) &&
+      this.get(SETTINGS_KEYS.REMOTE_OCR_MODE) !== RemoteOCRModeConfig.ALWAYS
+    )
+  }
+
   offerTour(): boolean {
     return this.dashboardIsEmpty() && !this.get(SETTINGS_KEYS.TOUR_COMPLETE)
   }