Save edited PDF to temp file before replacing original

[ci skip]

docs/api.md

@@ -282,6 +282,18 @@ The following methods are supported:
         -   `"merge": true or false` (defaults to false)
     -   The `merge` flag determines if the supplied permissions will overwrite all existing permissions (including
         removing them) or be merged with existing permissions.
+-   `edit_pdf`
+    -   Requires `parameters`:
+        -   `"doc_ids": [DOCUMENT_ID]` A list of a single document ID to edit.
+        -   `"operations": [OPERATION, ...]` A list of operations to perform on the documents. Each operation is a dictionary
+            with the following keys:
+            -   `"page": PAGE_NUMBER` The page number to edit (1-based).
+            -   `"rotate": DEGREES` Optional rotation in degrees (90, 180, 270).
+            -   `"doc": OUTPUT_DOCUMENT_INDEX` Optional index of the output document for split operations.
+    -   Optional `parameters`:
+        -   `"delete_original": true` to delete the original documents after editing.
+        -   `"update_document": true` to update the existing document with the edited PDF.
+        -   `"include_metadata": true` to copy metadata from the original document to the edited document.
 -   `merge`
     -   No additional `parameters` required.
     -   The ordering of the merged document is determined by the list of IDs.

docs/usage.md

@@ -576,12 +576,14 @@ The following custom field types are supported:
 
 ## PDF Actions
 
-Paperless-ngx supports four basic editing operations for PDFs (these operations currently cannot be performed on non-PDF files):
+Paperless-ngx supports basic editing operations for PDFs (these operations currently cannot be performed on non-PDF files). When viewing an individual document you can
+open the 'PDF Editor' to use a simple UI for re-arranging, rotating, deleting pages and splitting documents.
 
 -   Merging documents: available when selecting multiple documents for 'bulk editing'.
--   Rotating documents: available when selecting multiple documents for 'bulk editing' and from an individual document's details page.
--   Splitting documents: available from an individual document's details page.
--   Deleting pages: available from an individual document's details page.
+-   Rotating documents: available when selecting multiple documents for 'bulk editing' and via the pdf editor on an individual document's details page.
+-   Splitting documents: via the pdf editor on an individual document's details page.
+-   Deleting pages: via the pdf editor on an individual document's details page.
+-   Re-arranging pages: via the pdf editor on an individual document's details page.
 
 !!! important
 

src-ui/setup-jest.ts

@@ -121,6 +121,26 @@ if (!URL.revokeObjectURL) {
 }
 Object.defineProperty(window, 'ResizeObserver', { value: mock() })
 
+if (typeof IntersectionObserver === 'undefined') {
+  class MockIntersectionObserver {
+    constructor(
+      public callback: IntersectionObserverCallback,
+      public options?: IntersectionObserverInit
+    ) {}
+
+    observe = jest.fn()
+    unobserve = jest.fn()
+    disconnect = jest.fn()
+    takeRecords = jest.fn()
+  }
+
+  Object.defineProperty(window, 'IntersectionObserver', {
+    writable: true,
+    configurable: true,
+    value: MockIntersectionObserver,
+  })
+}
+
 HTMLCanvasElement.prototype.getContext = <
   typeof HTMLCanvasElement.prototype.getContext
 >jest.fn()

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

@@ -1,54 +0,0 @@
-<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">
-    <div class="row">
-        <div class="col">
-            <div class="btn-toolbar flex-nowrap">
-                <div class="input-group input-group-sm">
-                    <div class="input-group-text" i18n>Page</div>
-                    <input class="form-control mw-60" type="number" min="1" [(ngModel)]="currentPage" />
-                    <div class="input-group-text" i18n>of {{totalPages}}</div>
-                </div>
-                <div class="input-group input-group-sm ms-auto">
-                    <span class="input-group-text" i18n>Pages to remove</span>
-                    <input [ngModel]="pagesString" class="form-control" disabled />
-                </div>
-            </div>
-            <div class="pdf-viewer-container w-100 mt-3">
-                <pdf-viewer #pdfViewer [src]="pdfSrc" [(page)]="currentPage"
-                [original-size]="false"
-                [zoom]="1"
-                zoom-scale="page-fit"
-                [render-text]="false"
-                (pagerendered)="pageRendered($event)"
-                (after-load-complete)="pdfPreviewLoaded($event)">
-                </pdf-viewer>
-            </div>
-        </div>
-    </div>
-</div>
-<div class="modal-footer flex-nowrap">
-    <div>
-        @if (message) {
-            <p [innerHTML]="message | safeHtml"></p>
-        }
-        @if (messageBold) {
-            <p class="mb-0 small"><b [innerHTML]="messageBold | safeHtml"></b></p>
-        }
-    </div>
-    <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>
-
-<ng-template #pageCheckOverlay let-page="page" let-pages="pages">
-    <div class="position-absolute top-0 start-0 w-100 h-100 p-2" (click)="pageCheckChanged(page)">
-        <input type="checkbox" class="form-check-input" />
-    </div>
-</ng-template>

src-ui/src/app/components/common/confirm-dialog/delete-pages-confirm-dialog/delete-pages-confirm-dialog.component.scss

@@ -1,28 +0,0 @@
-.pdf-viewer-container {
-  background-color: gray;
-  height: 550px;
-
-  pdf-viewer {
-    width: 100%;
-    height: 100%;
-  }
-}
-
-.mw-60 {
-  max-width: 60px;
-}
-
-div.position-absolute:has(.form-check-input:checked) {
-  background-color: rgba(var(--bs-dark-rgb), 0.4);
-}
-
-.form-check-input {
-  &:checked {
-    background-color: var(--bs-danger);
-    border-color: var(--bs-danger);
-  }
-  &:focus {
-    box-shadow: 0 0 0 0.25rem rgba(var(--bs-danger-rgb), var(--pngx-focus-alpha));
-    border-color: var(--bs-danger);
-  }
-}

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

@@ -1,60 +0,0 @@
-import { provideHttpClient, withInterceptorsFromDi } from '@angular/common/http'
-import { provideHttpClientTesting } from '@angular/common/http/testing'
-import { ComponentFixture, TestBed } from '@angular/core/testing'
-import { FormsModule, ReactiveFormsModule } from '@angular/forms'
-import { NgbActiveModal } from '@ng-bootstrap/ng-bootstrap'
-import { NgxBootstrapIconsModule, allIcons } from 'ngx-bootstrap-icons'
-import { SafeHtmlPipe } from 'src/app/pipes/safehtml.pipe'
-import { DeletePagesConfirmDialogComponent } from './delete-pages-confirm-dialog.component'
-
-describe('DeletePagesConfirmDialogComponent', () => {
-  let component: DeletePagesConfirmDialogComponent
-  let fixture: ComponentFixture<DeletePagesConfirmDialogComponent>
-
-  beforeEach(async () => {
-    await TestBed.configureTestingModule({
-      declarations: [],
-      imports: [
-        NgxBootstrapIconsModule.pick(allIcons),
-        FormsModule,
-        ReactiveFormsModule,
-        DeletePagesConfirmDialogComponent,
-      ],
-      providers: [
-        NgbActiveModal,
-        SafeHtmlPipe,
-        provideHttpClient(withInterceptorsFromDi()),
-        provideHttpClientTesting(),
-      ],
-    }).compileComponents()
-    fixture = TestBed.createComponent(DeletePagesConfirmDialogComponent)
-    component = fixture.componentInstance
-    fixture.detectChanges()
-  })
-
-  it('should return a string with comma-separated pages', () => {
-    component.pages = [1, 2, 3, 4]
-    expect(component.pagesString).toEqual('1, 2, 3, 4')
-  })
-
-  it('should update totalPages when pdf is loaded', () => {
-    component.pdfPreviewLoaded({ numPages: 5 } as any)
-    expect(component.totalPages).toEqual(5)
-  })
-
-  it('should update checks when page is rendered', () => {
-    const event = {
-      target: document.createElement('div'),
-      detail: { pageNumber: 1 },
-    } as any
-    component.pageRendered(event)
-    expect(component['checks'].length).toEqual(1)
-  })
-
-  it('should update pages when page check is changed', () => {
-    component.pageCheckChanged(1)
-    expect(component.pages).toEqual([1])
-    component.pageCheckChanged(1)
-    expect(component.pages).toEqual([])
-  })
-})

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

@@ -1,69 +0,0 @@
-import { Component, TemplateRef, ViewChild, inject } from '@angular/core'
-import { FormsModule, ReactiveFormsModule } from '@angular/forms'
-import {
-  PDFDocumentProxy,
-  PdfViewerComponent,
-  PdfViewerModule,
-} from 'ng2-pdf-viewer'
-import { SafeHtmlPipe } from 'src/app/pipes/safehtml.pipe'
-import { DocumentService } from 'src/app/services/rest/document.service'
-import { ConfirmDialogComponent } from '../confirm-dialog.component'
-
-@Component({
-  selector: 'pngx-delete-pages-confirm-dialog',
-  templateUrl: './delete-pages-confirm-dialog.component.html',
-  styleUrl: './delete-pages-confirm-dialog.component.scss',
-  imports: [PdfViewerModule, FormsModule, ReactiveFormsModule, SafeHtmlPipe],
-})
-export class DeletePagesConfirmDialogComponent extends ConfirmDialogComponent {
-  private documentService = inject(DocumentService)
-
-  public documentID: number
-  public pages: number[] = []
-  public currentPage: number = 1
-  public totalPages: number
-
-  @ViewChild('pdfViewer') pdfViewer: PdfViewerComponent
-  @ViewChild('pageCheckOverlay') pageCheckOverlay!: TemplateRef<any>
-  private checks: HTMLElement[] = []
-
-  public get pagesString(): string {
-    return this.pages.join(', ')
-  }
-
-  public get pdfSrc(): string {
-    return this.documentService.getPreviewUrl(this.documentID)
-  }
-
-  constructor() {
-    super()
-  }
-
-  public pdfPreviewLoaded(pdf: PDFDocumentProxy) {
-    this.totalPages = pdf.numPages
-  }
-
-  pageRendered(event: CustomEvent) {
-    const pageDiv = event.target as HTMLDivElement
-    const check = this.pageCheckOverlay.createEmbeddedView({
-      page: event.detail.pageNumber,
-    })
-    this.checks[event.detail.pageNumber - 1] = check.rootNodes[0]
-    pageDiv?.insertBefore(check.rootNodes[0], pageDiv.firstChild)
-    this.updateChecks()
-  }
-
-  pageCheckChanged(pageNumber: number) {
-    if (!this.pages.includes(pageNumber)) this.pages.push(pageNumber)
-    else if (this.pages.includes(pageNumber))
-      this.pages.splice(this.pages.indexOf(pageNumber), 1)
-    this.updateChecks()
-  }
-
-  private updateChecks() {
-    this.checks.forEach((check, i) => {
-      const input = check.getElementsByTagName('input')[0]
-      input.checked = this.pages.includes(i + 1)
-    })
-  }
-}

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

@@ -1,59 +0,0 @@
-<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">
-    <p>{{message}}</p>
-    <div class="row mb-2">
-        <div class="col-7">
-            <div class="input-group input-group-sm">
-                <div class="input-group-text" i18n>Page</div>
-                <input class="form-control" type="number" min="1" [(ngModel)]="page" />
-                <div class="input-group-text" i18n>of {{totalPages}}</div>
-            </div>
-            <div class="pdf-viewer-container w-100 mt-3">
-                <pdf-viewer [src]="pdfSrc" [(page)]="page"
-                [original-size]="false"
-                [zoom]="1"
-                zoom-scale="page-fit"
-                (after-load-complete)="pdfPreviewLoaded($event)">
-                </pdf-viewer>
-            </div>
-        </div>
-        <div class="col-5">
-            <div class="d-grid">
-                <button class="btn btn-sm btn-primary" (click)="addSplit()" [disabled]="!canSplit">
-                    <i-bs name="plus-circle"></i-bs>&nbsp;
-                    <span i18n>Add Split</span>
-                </button>
-            </div>
-
-            <ul class="list-group mt-3">
-                @for (pageStr of pagesString.split(','); track pageStr; let i = $index) {
-                    <li class="list-group-item d-flex align-items-center">
-                        {{pageStr}}
-                        @if (pagesString.split(',').length > 1) {
-                            &nbsp;
-                            <button class="btn btn-sm btn-danger ms-auto" (click)="removeSplit(i)">
-                                <i-bs name="trash"></i-bs>
-                            </button>
-                        }
-                    </li>
-                }
-            </ul>
-        </div>
-    </div>
-</div>
-<div class="modal-footer">
-    <div class="form-check form-switch me-auto">
-       <input class="form-check-input" type="checkbox" role="switch" id="deleteOriginalSwitch" [(ngModel)]="deleteOriginal" [disabled]="!userOwnsDocument">
-       <label class="form-check-label" for="deleteOriginalSwitch" i18n>Delete original document after successful split</label>
-     </div>
-    <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/split-confirm-dialog/split-confirm-dialog.component.scss

@@ -1,9 +0,0 @@
-.pdf-viewer-container {
-    background-color: gray;
-    height: 500px;
-
-    pdf-viewer {
-      width: 100%;
-      height: 100%;
-    }
-  }

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

@@ -1,107 +0,0 @@
-import { ComponentFixture, TestBed } from '@angular/core/testing'
-
-import { provideHttpClient, withInterceptorsFromDi } from '@angular/common/http'
-import { provideHttpClientTesting } from '@angular/common/http/testing'
-import { FormsModule, ReactiveFormsModule } from '@angular/forms'
-import { NgbActiveModal } from '@ng-bootstrap/ng-bootstrap'
-import { PdfViewerModule } from 'ng2-pdf-viewer'
-import { NgxBootstrapIconsModule, allIcons } from 'ngx-bootstrap-icons'
-import { of } from 'rxjs'
-import { DocumentService } from 'src/app/services/rest/document.service'
-import { SplitConfirmDialogComponent } from './split-confirm-dialog.component'
-
-describe('SplitConfirmDialogComponent', () => {
-  let component: SplitConfirmDialogComponent
-  let fixture: ComponentFixture<SplitConfirmDialogComponent>
-  let documentService: DocumentService
-
-  beforeEach(async () => {
-    await TestBed.configureTestingModule({
-      imports: [
-        NgxBootstrapIconsModule.pick(allIcons),
-        ReactiveFormsModule,
-        FormsModule,
-        PdfViewerModule,
-        SplitConfirmDialogComponent,
-      ],
-      providers: [
-        NgbActiveModal,
-        provideHttpClient(withInterceptorsFromDi()),
-        provideHttpClientTesting(),
-      ],
-    }).compileComponents()
-
-    fixture = TestBed.createComponent(SplitConfirmDialogComponent)
-    documentService = TestBed.inject(DocumentService)
-    component = fixture.componentInstance
-    fixture.detectChanges()
-  })
-
-  it('should load document on init', () => {
-    const getSpy = jest.spyOn(documentService, 'get')
-    component.documentID = 1
-    getSpy.mockReturnValue(of({ id: 1 } as any))
-    component.ngOnInit()
-    expect(documentService.get).toHaveBeenCalledWith(1)
-  })
-
-  it('should update pagesString when pages are added', () => {
-    component.totalPages = 5
-    component.page = 2
-    component.addSplit()
-    expect(component.pagesString).toEqual('1-2,3-5')
-    component.page = 4
-    component.addSplit()
-    expect(component.pagesString).toEqual('1-2,3-4,5')
-  })
-
-  it('should update pagesString when pages are removed', () => {
-    component.totalPages = 5
-    component.page = 2
-    component.addSplit()
-    component.page = 4
-    component.addSplit()
-    expect(component.pagesString).toEqual('1-2,3-4,5')
-    component.removeSplit(0)
-    expect(component.pagesString).toEqual('1-4,5')
-  })
-
-  it('should enable confirm button when pages are added', () => {
-    component.totalPages = 5
-    component.page = 2
-    component.addSplit()
-    expect(component.confirmButtonEnabled).toBeTruthy()
-  })
-
-  it('should disable confirm button when all pages are removed', () => {
-    component.totalPages = 5
-    component.page = 2
-    component.addSplit()
-    component.removeSplit(0)
-    expect(component.confirmButtonEnabled).toBeFalsy()
-  })
-
-  it('should not add split if page is the last page', () => {
-    component.totalPages = 5
-    component.page = 5
-    component.addSplit()
-    expect(component.pagesString).toEqual('1-5')
-  })
-
-  it('should update totalPages when pdf is loaded', () => {
-    component.pdfPreviewLoaded({ numPages: 5 } as any)
-    expect(component.totalPages).toEqual(5)
-  })
-
-  it('should correctly disable split button', () => {
-    component.totalPages = 5
-    component.page = 1
-    expect(component.canSplit).toBeTruthy()
-    component.page = 5
-    expect(component.canSplit).toBeFalsy()
-    component.page = 4
-    expect(component.canSplit).toBeTruthy()
-    component['pages'] = new Set([1, 2, 3, 4])
-    expect(component.canSplit).toBeFalsy()
-  })
-})

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

@@ -1,98 +0,0 @@
-import { Component, OnInit, inject } from '@angular/core'
-import { FormsModule, ReactiveFormsModule } from '@angular/forms'
-import { PDFDocumentProxy, PdfViewerModule } from 'ng2-pdf-viewer'
-import { NgxBootstrapIconsModule } from 'ngx-bootstrap-icons'
-import { Document } from 'src/app/data/document'
-import { PermissionsService } from 'src/app/services/permissions.service'
-import { DocumentService } from 'src/app/services/rest/document.service'
-import { ConfirmDialogComponent } from '../confirm-dialog.component'
-
-@Component({
-  selector: 'pngx-split-confirm-dialog',
-  templateUrl: './split-confirm-dialog.component.html',
-  styleUrl: './split-confirm-dialog.component.scss',
-  imports: [
-    FormsModule,
-    ReactiveFormsModule,
-    NgxBootstrapIconsModule,
-    PdfViewerModule,
-  ],
-})
-export class SplitConfirmDialogComponent
-  extends ConfirmDialogComponent
-  implements OnInit
-{
-  private documentService = inject(DocumentService)
-  private permissionService = inject(PermissionsService)
-
-  public get pagesString(): string {
-    let pagesStr = ''
-
-    let lastPage = 1
-    for (let i = 1; i <= this.totalPages; i++) {
-      if (this.pages.has(i) || i === this.totalPages) {
-        if (lastPage === i) {
-          pagesStr += `${i},`
-          lastPage = Math.min(i + 1, this.totalPages)
-        } else {
-          pagesStr += `${lastPage}-${i},`
-          lastPage = Math.min(i + 1, this.totalPages)
-        }
-      }
-    }
-
-    return pagesStr.replace(/,$/, '')
-  }
-
-  private pages: Set<number> = new Set()
-
-  public documentID: number
-  private document: Document
-  public page: number = 1
-  public totalPages: number
-  public deleteOriginal: boolean = false
-
-  public get canSplit(): boolean {
-    return (
-      this.page < this.totalPages &&
-      this.pages.size < this.totalPages - 1 &&
-      !this.pages.has(this.page)
-    )
-  }
-
-  public get pdfSrc(): string {
-    return this.documentService.getPreviewUrl(this.documentID)
-  }
-
-  constructor() {
-    super()
-    this.confirmButtonEnabled = this.pages.size > 0
-  }
-
-  ngOnInit(): void {
-    this.documentService.get(this.documentID).subscribe((r) => {
-      this.document = r
-    })
-  }
-
-  pdfPreviewLoaded(pdf: PDFDocumentProxy) {
-    this.totalPages = pdf.numPages
-  }
-
-  addSplit() {
-    if (this.page === this.totalPages) return
-    this.pages.add(this.page)
-    this.pages = new Set(Array.from(this.pages).sort((a, b) => a - b))
-    this.confirmButtonEnabled = this.pages.size > 0
-  }
-
-  removeSplit(i: number) {
-    let page = Array.from(this.pages)[Math.min(i, this.pages.size - 1)]
-    this.pages.delete(page)
-    this.confirmButtonEnabled = this.pages.size > 0
-  }
-
-  get userOwnsDocument(): boolean {
-    return this.permissionService.currentUserOwnsObject(this.document)
-  }
-}

src-ui/src/app/components/common/pdf-editor/pdf-editor.component.html

@@ -0,0 +1,103 @@
+<pdf-viewer [src]="pdfSrc" [render-text]="false" zoom="0.4" (after-load-complete)="pdfLoaded($event)"></pdf-viewer>
+<div class="modal-header">
+  <h4 class="modal-title">{{ title }}</h4>
+  <button type="button" class="btn-close" aria-label="Close" (click)="cancel()"></button>
+</div>
+<div class="modal-body">
+  <div class="btn-toolbar mb-2">
+    <div class="btn-group me-3">
+      <button class="btn btn-sm btn-secondary" (click)="selectAll()" title="Select all pages" i18n-title>
+        <i-bs name="check-all"></i-bs>
+      </button>
+      <button class="btn btn-sm btn-secondary" (click)="deselectAll()" [disabled]="!hasSelection()" title="Deselect all pages" i18n-title>
+        <i-bs name="x"></i-bs>
+      </button>
+    </div>
+    <div class="btn-group">
+      <button class="btn btn-sm btn-secondary" (click)="rotateSelected(-90)" [disabled]="!hasSelection()" title="Rotate selected pages counter-clockwise" i18n-title>
+        <i-bs name="arrow-counterclockwise"></i-bs>
+      </button>
+      <button class="btn btn-sm btn-secondary" (click)="rotateSelected(90)" [disabled]="!hasSelection()" title="Rotate selected pages clockwise" i18n-title>
+        <i-bs name="arrow-clockwise"></i-bs>
+      </button>
+      <button class="btn btn-sm btn-danger" (click)="deleteSelected()" [disabled]="!hasSelection()" title="Delete selected pages" i18n-title>
+        <i-bs name="trash"></i-bs>
+      </button>
+    </div>
+  </div>
+  <div cdkDropList (cdkDropListDropped)="drop($event)" cdkDropListOrientation="mixed" class="d-flex flex-wrap row-cols-5">
+    @for (p of pages; track p.page; let i = $index) {
+      <div class="page-item rounded p-2" cdkDrag (click)="toggleSelection(i)" [class.selected]="p.selected">
+        <div class="btn-toolbar hover-actions z-10">
+          <div class="btn-group me-2">
+            <button class="btn btn-sm btn-dark" (click)="rotate(i); $event.stopPropagation()" title="Rotate page counter-clockwise" i18n-title>
+              <i-bs name="arrow-counterclockwise"></i-bs>
+            </button>
+            <button class="btn btn-sm btn-dark" (click)="rotate(i); $event.stopPropagation()" title="Rotate page clockwise" i18n-title>
+              <i-bs name="arrow-clockwise"></i-bs>
+            </button>
+          </div>
+          <div class="btn-group">
+            <button class="btn btn-sm btn-dark text-danger" (click)="remove(i); $event.stopPropagation()" title="Delete page" i18n-title>
+              <i-bs name="trash"></i-bs>
+            </button>
+            <button class="btn btn-sm btn-dark" (click)="toggleSplit(i); $event.stopPropagation()" title="Add / remove document split here" i18n-title>
+              <i-bs name="scissors"></i-bs>
+            </button>
+          </div>
+        </div>
+        <div class="border-end border-bottom bg-light py-1 px-2 document-check z-10">
+          <div class="form-check">
+            <input type="checkbox" class="form-check-input" id="page{{i}}" [checked]="p.selected" (click)="toggleSelection(i); $event.stopPropagation()">
+            <label class="form-check-label" for="page{{i}}"></label>
+          </div>
+        </div>
+        <div class="pdf-viewer-container w-100" [class.selected]="p.selected">
+          @defer (on viewport) {
+            @if (!p.loaded) {
+              <div class="placeholder-glow w-100 h-100 z-10">
+                <span class="placeholder w-100 h-100"></span>
+              </div>
+            }
+            <pdf-viewer class="fade" [class.show]="p.loaded" [src]="pdfSrc" [page]="p.page" [rotation]="p.rotate" [original-size]="false" [show-all]="false" [render-text]="false" (page-rendered)="p.loaded = true"></pdf-viewer>
+          } @placeholder {
+            <div class="placeholder-glow w-100 h-100 z-10">
+              <span class="placeholder w-100 h-100"></span>
+            </div>
+          }
+        </div>
+        @if (p.splitAfter) {
+          <div class="split-after rounded position-absolute top-0 end-0 bg-dark text-uppercase text-center h-100 px-1 small fw-bold">&mdash; <span i18n>Split here</span> &mdash;</div>
+        }
+      </div>
+    }
+  </div>
+</div>
+<div class="modal-footer flex-column">
+  <div class="d-flex w-100 justify-content-between align-items-center">
+    <div class="btn-group" role="group">
+      <input type="radio" class="btn-check" [(ngModel)]="editMode" [value]="PdfEditorEditMode.Create" id="editModeCreate" name="editmode">
+      <label for="editModeCreate" class="btn btn-outline-primary btn-sm">
+        <i-bs name="plus"></i-bs>
+        <span class="form-check-label ms-1" i18n>Create new document(s)</span>
+      </label>
+      <input type="radio" class="btn-check" [(ngModel)]="editMode" [value]="PdfEditorEditMode.Update" id="editModeUpdate" name="editmode" [disabled]="hasSplit()">
+      <label for="editModeUpdate" class="btn btn-outline-primary btn-sm">
+        <i-bs name="pencil"></i-bs>
+        <span class="form-check-label ms-2" i18n>Update existing document</span>
+      </label>
+    </div>
+    @if (editMode === PdfEditorEditMode.Create) {
+      <div class="form-check ms-3">
+        <input class="form-check-input" type="checkbox" id="copyMeta" [(ngModel)]="includeMetadata">
+        <label class="form-check-label" for="copyMeta" i18n>Copy metadata</label>
+      </div>
+      <div class="form-check ms-3">
+        <input class="form-check-input" type="checkbox" id="deleteOriginal" [(ngModel)]="deleteOriginal">
+        <label class="form-check-label" for="deleteOriginal" i18n>Delete original</label>
+      </div>
+    }
+    <button type="button" class="btn ms-auto me-2" [class]="cancelBtnClass" (click)="cancel()" [disabled]="!buttonsEnabled">{{ cancelBtnCaption }}</button>
+    <button type="button" class="btn" [class]="btnClass" (click)="confirm()" [disabled]="pages.length === 0">{{ btnCaption }}</button>
+  </div>
+</div>

src-ui/src/app/components/common/pdf-editor/pdf-editor.component.scss

@@ -0,0 +1,70 @@
+
+
+.page-item {
+  position: relative;
+  cursor: pointer;
+  border: 1px solid transparent;
+  background-origin: border-box;
+
+  &.selected {
+    background-color: var(--pngx-primary-darken-5);
+  }
+}
+
+.pdf-viewer-container {
+  background-color: gray;
+  height: 240px;
+
+  pdf-viewer {
+    width: 100%;
+    height: 100%;
+  }
+}
+
+::ng-deep .ng2-pdf-viewer-container {
+  overflow: hidden;
+}
+
+.hover-actions {
+  position: absolute;
+  top: 0;
+  right: 0;
+  display: none;
+}
+
+.page-item:hover .hover-actions {
+  display: block;
+}
+
+.document-check {
+  display: none;
+  position: absolute;
+  top: 0;
+  left: 0;
+  padding: 0.5rem;
+  border-top-left-radius: 0.25rem;
+  border-bottom-right-radius: 0.25rem;
+  pointer-events: none;
+
+  .form-check {
+    padding: 0;
+    min-height: 0;
+    margin-bottom: 0;
+
+    .form-check-input {
+      margin-left: 0;
+    }
+  }
+}
+
+.page-item:hover .document-check, .selected .document-check {
+  display: block;
+}
+
+.z-10 {
+    z-index: 10;
+}
+
+.split-after {
+  writing-mode: vertical-rl;
+}

src-ui/src/app/components/common/pdf-editor/pdf-editor.component.spec.ts

@@ -0,0 +1,142 @@
+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 { NgxBootstrapIconsModule, allIcons } from 'ngx-bootstrap-icons'
+import { PDFEditorComponent } from './pdf-editor.component'
+
+describe('PDFEditorComponent', () => {
+  let component: PDFEditorComponent
+  let fixture: ComponentFixture<PDFEditorComponent>
+
+  beforeEach(async () => {
+    await TestBed.configureTestingModule({
+      imports: [PDFEditorComponent, NgxBootstrapIconsModule.pick(allIcons)],
+      providers: [
+        provideHttpClient(withInterceptorsFromDi()),
+        provideHttpClientTesting(),
+        { provide: NgbActiveModal, useValue: {} },
+      ],
+    }).compileComponents()
+    fixture = TestBed.createComponent(PDFEditorComponent)
+    component = fixture.componentInstance
+    fixture.detectChanges()
+  })
+
+  it('should return correct operations with no changes', () => {
+    component.pages = [
+      { page: 1, rotate: 0, splitAfter: false },
+      { page: 2, rotate: 0, splitAfter: false },
+      { page: 3, rotate: 0, splitAfter: false },
+    ]
+    const ops = component.getOperations()
+    expect(ops).toEqual([
+      { page: 1, rotate: 0, doc: 0 },
+      { page: 2, rotate: 0, doc: 0 },
+      { page: 3, rotate: 0, doc: 0 },
+    ])
+  })
+
+  it('should rotate, delete and reorder pages', () => {
+    component.pages = [
+      { page: 1, rotate: 0, splitAfter: false, selected: false },
+      { page: 2, rotate: 0, splitAfter: false, selected: false },
+    ]
+    component.toggleSelection(0)
+    component.rotateSelected(90)
+    expect(component.pages[0].rotate).toBe(90)
+    component.toggleSelection(0) // deselect
+    component.toggleSelection(1)
+    component.deleteSelected()
+    expect(component.pages.length).toBe(1)
+    component.pages.push({ page: 2, rotate: 0, splitAfter: false })
+    component.drop({ previousIndex: 0, currentIndex: 1 } as any)
+    expect(component.pages[0].page).toBe(2)
+    component.rotate(0)
+    expect(component.pages[0].rotate).toBe(90)
+  })
+
+  it('should handle empty pages array', () => {
+    component.pages = []
+    expect(component.getOperations()).toEqual([])
+  })
+
+  it('should increment doc index after splitAfter', () => {
+    component.pages = [
+      { page: 1, rotate: 0, splitAfter: true },
+      { page: 2, rotate: 0, splitAfter: false },
+      { page: 3, rotate: 0, splitAfter: true },
+      { page: 4, rotate: 0, splitAfter: false },
+    ]
+    const ops = component.getOperations()
+    expect(ops).toEqual([
+      { page: 1, rotate: 0, doc: 0 },
+      { page: 2, rotate: 0, doc: 1 },
+      { page: 3, rotate: 0, doc: 1 },
+      { page: 4, rotate: 0, doc: 2 },
+    ])
+  })
+
+  it('should include rotations in operations', () => {
+    component.pages = [
+      { page: 1, rotate: 90, splitAfter: false },
+      { page: 2, rotate: 180, splitAfter: true },
+      { page: 3, rotate: 270, splitAfter: false },
+    ]
+    const ops = component.getOperations()
+    expect(ops).toEqual([
+      { page: 1, rotate: 90, doc: 0 },
+      { page: 2, rotate: 180, doc: 0 },
+      { page: 3, rotate: 270, doc: 1 },
+    ])
+  })
+
+  it('should handle remove operation', () => {
+    component.pages = [
+      { page: 1, rotate: 0, splitAfter: false, selected: false },
+      { page: 2, rotate: 0, splitAfter: false, selected: true },
+      { page: 3, rotate: 0, splitAfter: false, selected: false },
+    ]
+    component.remove(1) // remove page 2
+    expect(component.pages.length).toBe(2)
+    expect(component.pages[0].page).toBe(1)
+    expect(component.pages[1].page).toBe(3)
+  })
+
+  it('should toggle splitAfter correctly', () => {
+    component.pages = [
+      { page: 1, rotate: 0, splitAfter: false },
+      { page: 2, rotate: 0, splitAfter: false },
+    ]
+    component.toggleSplit(0)
+    expect(component.pages[0].splitAfter).toBeTruthy()
+    component.toggleSplit(1)
+    expect(component.pages[1].splitAfter).toBeTruthy()
+  })
+
+  it('should select and deselect all pages', () => {
+    component.pages = [
+      { page: 1, rotate: 0, splitAfter: false, selected: false },
+      { page: 2, rotate: 0, splitAfter: false, selected: false },
+    ]
+    component.selectAll()
+    expect(component.pages.every((p) => p.selected)).toBeTruthy()
+    expect(component.hasSelection()).toBeTruthy()
+    component.deselectAll()
+    expect(component.pages.every((p) => !p.selected)).toBeTruthy()
+    expect(component.hasSelection()).toBeFalsy()
+  })
+
+  it('should handle pdf loading and page generation', () => {
+    const mockPdf = {
+      numPages: 3,
+      getPage: (pageNum: number) => Promise.resolve({ pageNumber: pageNum }),
+    }
+    component.pdfLoaded(mockPdf as any)
+    expect(component.totalPages).toBe(3)
+    expect(component.pages.length).toBe(3)
+    expect(component.pages[0].page).toBe(1)
+    expect(component.pages[1].page).toBe(2)
+    expect(component.pages[2].page).toBe(3)
+  })
+})

src-ui/src/app/components/common/pdf-editor/pdf-editor.component.ts

@@ -0,0 +1,133 @@
+import {
+  CdkDragDrop,
+  DragDropModule,
+  moveItemInArray,
+} from '@angular/cdk/drag-drop'
+import { Component, inject } from '@angular/core'
+import { FormsModule } from '@angular/forms'
+import { NgbActiveModal } from '@ng-bootstrap/ng-bootstrap'
+import { PDFDocumentProxy, PdfViewerModule } from 'ng2-pdf-viewer'
+import { NgxBootstrapIconsModule } from 'ngx-bootstrap-icons'
+import { DocumentService } from 'src/app/services/rest/document.service'
+import { ConfirmDialogComponent } from '../confirm-dialog/confirm-dialog.component'
+
+interface PageOperation {
+  page: number
+  rotate: number
+  splitAfter: boolean
+  selected?: boolean
+  loaded?: boolean
+}
+
+export enum PdfEditorEditMode {
+  Update = 'update',
+  Create = 'create',
+}
+
+@Component({
+  selector: 'pngx-pdf-editor',
+  templateUrl: './pdf-editor.component.html',
+  styleUrl: './pdf-editor.component.scss',
+  imports: [
+    DragDropModule,
+    FormsModule,
+    PdfViewerModule,
+    NgxBootstrapIconsModule,
+  ],
+})
+export class PDFEditorComponent extends ConfirmDialogComponent {
+  public PdfEditorEditMode = PdfEditorEditMode
+
+  private documentService = inject(DocumentService)
+  activeModal: NgbActiveModal = inject(NgbActiveModal)
+
+  documentID: number
+  pages: PageOperation[] = []
+  totalPages = 0
+  editMode: PdfEditorEditMode = PdfEditorEditMode.Create
+  deleteOriginal: boolean = false
+  includeMetadata: boolean = true
+
+  get pdfSrc(): string {
+    return this.documentService.getPreviewUrl(this.documentID)
+  }
+
+  pdfLoaded(pdf: PDFDocumentProxy) {
+    this.totalPages = pdf.numPages
+    this.pages = Array.from({ length: this.totalPages }, (_, i) => ({
+      page: i + 1,
+      rotate: 0,
+      splitAfter: false,
+      selected: false,
+      loaded: false,
+    }))
+  }
+
+  toggleSelection(i: number) {
+    this.pages[i].selected = !this.pages[i].selected
+  }
+
+  rotate(i: number) {
+    this.pages[i].rotate = (this.pages[i].rotate + 90) % 360
+  }
+
+  rotateSelected(dir: number) {
+    for (let p of this.pages) {
+      if (p.selected) {
+        p.rotate = (p.rotate + dir + 360) % 360
+      }
+    }
+  }
+
+  remove(i: number) {
+    this.pages.splice(i, 1)
+  }
+
+  toggleSplit(i: number) {
+    this.pages[i].splitAfter = !this.pages[i].splitAfter
+    if (this.pages[i].splitAfter) {
+      // force create mode
+      this.editMode = PdfEditorEditMode.Create
+    }
+  }
+
+  selectAll() {
+    this.pages.forEach((p) => (p.selected = true))
+  }
+
+  deselectAll() {
+    this.pages.forEach((p) => (p.selected = false))
+  }
+
+  deleteSelected() {
+    this.pages = this.pages.filter((p) => !p.selected)
+  }
+
+  hasSelection(): boolean {
+    return this.pages.some((p) => p.selected)
+  }
+
+  hasSplit(): boolean {
+    return this.pages.some((p) => p.splitAfter)
+  }
+
+  drop(event: CdkDragDrop<PageOperation[]>) {
+    moveItemInArray(this.pages, event.previousIndex, event.currentIndex)
+  }
+
+  getOperations() {
+    return this.pages.map((p, idx) => ({
+      page: p.page,
+      rotate: p.rotate,
+      doc: this.computeDocIndex(idx),
+    }))
+  }
+
+  private computeDocIndex(index: number): number {
+    let docIndex = 0
+    for (let i = 0; i <= index; i++) {
+      if (this.pages[i].splitAfter && i < index) docIndex++
+    }
+    return docIndex
+  }
+}

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

@@ -58,16 +58,8 @@
         <i-bs width="1em" height="1em" name="diagram-3"></i-bs>&nbsp;<span i18n>More like this</span>
       </button>
 
-      <button ngbDropdownItem (click)="splitDocument()" [disabled]="!userCanAdd || originalContentRenderType !== ContentRenderType.PDF || previewNumPages === 1">
-        <i-bs width="1em" height="1em" name="scissors"></i-bs>&nbsp;<span i18n>Split</span>
-      </button>
-
-      <button ngbDropdownItem (click)="rotateDocument()" [disabled]="!userIsOwner || !userCanEdit || originalContentRenderType !== ContentRenderType.PDF">
-        <i-bs name="arrow-clockwise"></i-bs>&nbsp;<ng-container i18n>Rotate</ng-container>
-      </button>
-
-      <button ngbDropdownItem (click)="deletePages()" [disabled]="!userIsOwner || !userCanEdit || originalContentRenderType !== ContentRenderType.PDF || previewNumPages === 1">
-        <i-bs name="file-earmark-minus"></i-bs>&nbsp;<ng-container i18n>Delete page(s)</ng-container>
+      <button ngbDropdownItem (click)="editPdf()" [disabled]="!userIsOwner || !userCanEdit || originalContentRenderType !== ContentRenderType.PDF">
+        <i-bs name="pencil"></i-bs>&nbsp;<ng-container i18n>PDF Editor</ng-container>
       </button>
     </div>
   </div>

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

@@ -1158,81 +1158,40 @@ describe('DocumentDetailComponent', () => {
     ).not.toBeUndefined()
   })
 
-  it('should support split', () => {
+  it('should support pdf editor, handle error', () => {
     let modal: NgbModalRef
     modalService.activeInstances.subscribe((m) => (modal = m[0]))
     initNormally()
-    component.splitDocument()
+    component.editPdf()
     expect(modal).not.toBeUndefined()
     modal.componentInstance.documentID = doc.id
-    modal.componentInstance.totalPages = 5
-    modal.componentInstance.page = 2
-    modal.componentInstance.addSplit()
+    modal.componentInstance.pages = [{ page: 1, rotate: 0, splitAfter: false }]
     modal.componentInstance.confirm()
     let req = httpTestingController.expectOne(
       `${environment.apiBaseUrl}documents/bulk_edit/`
     )
     expect(req.request.body).toEqual({
       documents: [doc.id],
-      method: 'split',
-      parameters: { pages: '1-2,3-5', delete_originals: false },
+      method: 'edit_pdf',
+      parameters: {
+        operations: [{ page: 1, rotate: 0, doc: 0 }],
+        delete_original: false,
+        update_document: false,
+        include_metadata: true,
+      },
     })
-    req.error(new ProgressEvent('failed'))
-    modal.componentInstance.confirm()
-    req = httpTestingController.expectOne(
-      `${environment.apiBaseUrl}documents/bulk_edit/`
-    )
     req.flush(true)
-  })
 
-  it('should support rotate', () => {
-    let modal: NgbModalRef
-    modalService.activeInstances.subscribe((m) => (modal = m[0]))
-    initNormally()
-    component.rotateDocument()
-    expect(modal).not.toBeUndefined()
+    component.editPdf()
     modal.componentInstance.documentID = doc.id
-    modal.componentInstance.rotate()
-    modal.componentInstance.confirm()
-    let req = httpTestingController.expectOne(
-      `${environment.apiBaseUrl}documents/bulk_edit/`
-    )
-    expect(req.request.body).toEqual({
-      documents: [doc.id],
-      method: 'rotate',
-      parameters: { degrees: 90 },
-    })
-    req.error(new ProgressEvent('failed'))
+    modal.componentInstance.pages = [{ page: 1, rotate: 0, splitAfter: true }]
     modal.componentInstance.confirm()
+    const errorSpy = jest.spyOn(toastService, 'showError')
     req = httpTestingController.expectOne(
       `${environment.apiBaseUrl}documents/bulk_edit/`
     )
-    req.flush(true)
-  })
-
-  it('should support delete pages', () => {
-    let modal: NgbModalRef
-    modalService.activeInstances.subscribe((m) => (modal = m[0]))
-    initNormally()
-    component.deletePages()
-    expect(modal).not.toBeUndefined()
-    modal.componentInstance.documentID = doc.id
-    modal.componentInstance.pages = [1, 2]
-    modal.componentInstance.confirm()
-    let req = httpTestingController.expectOne(
-      `${environment.apiBaseUrl}documents/bulk_edit/`
-    )
-    expect(req.request.body).toEqual({
-      documents: [doc.id],
-      method: 'delete_pages',
-      parameters: { pages: [1, 2] },
-    })
-    req.error(new ProgressEvent('failed'))
-    modal.componentInstance.confirm()
-    req = httpTestingController.expectOne(
-      `${environment.apiBaseUrl}documents/bulk_edit/`
-    )
-    req.flush(true)
+    req.error(new ErrorEvent('failed'))
+    expect(errorSpy).toHaveBeenCalled()
   })
 
   it('should support keyboard shortcuts', () => {

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

@@ -82,9 +82,6 @@ import { getFilenameFromContentDisposition } from 'src/app/utils/http'
 import { ISODateAdapter } from 'src/app/utils/ngb-iso-date-adapter'
 import * as UTIF from 'utif'
 import { ConfirmDialogComponent } from '../common/confirm-dialog/confirm-dialog.component'
-import { DeletePagesConfirmDialogComponent } from '../common/confirm-dialog/delete-pages-confirm-dialog/delete-pages-confirm-dialog.component'
-import { RotateConfirmDialogComponent } from '../common/confirm-dialog/rotate-confirm-dialog/rotate-confirm-dialog.component'
-import { SplitConfirmDialogComponent } from '../common/confirm-dialog/split-confirm-dialog/split-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'
 import { DocumentTypeEditDialogComponent } from '../common/edit-dialog/document-type-edit-dialog/document-type-edit-dialog.component'
@@ -102,6 +99,10 @@ import { TagsComponent } from '../common/input/tags/tags.component'
 import { TextComponent } from '../common/input/text/text.component'
 import { UrlComponent } from '../common/input/url/url.component'
 import { PageHeaderComponent } from '../common/page-header/page-header.component'
+import {
+  PDFEditorComponent,
+  PdfEditorEditMode,
+} from '../common/pdf-editor/pdf-editor.component'
 import { ShareLinksDialogComponent } from '../common/share-links-dialog/share-links-dialog.component'
 import { DocumentHistoryComponent } from '../document-history/document-history.component'
 import { DocumentNotesComponent } from '../document-notes/document-notes.component'
@@ -1349,13 +1350,13 @@ export class DocumentDetailComponent
     this.documentForm.updateValueAndValidity()
   }
 
-  splitDocument() {
-    let modal = this.modalService.open(SplitConfirmDialogComponent, {
+  editPdf() {
+    let modal = this.modalService.open(PDFEditorComponent, {
       backdrop: 'static',
-      size: 'lg',
+      size: 'xl',
+      scrollable: true,
     })
-    modal.componentInstance.title = $localize`Split confirm`
-    modal.componentInstance.messageBold = $localize`This operation will split the selected document(s) into new documents.`
+    modal.componentInstance.title = $localize`PDF Editor`
     modal.componentInstance.btnCaption = $localize`Proceed`
     modal.componentInstance.documentID = this.document.id
     modal.componentInstance.confirmClicked
@@ -1363,15 +1364,18 @@ export class DocumentDetailComponent
       .subscribe(() => {
         modal.componentInstance.buttonsEnabled = false
         this.documentsService
-          .bulkEdit([this.document.id], 'split', {
-            pages: modal.componentInstance.pagesString,
-            delete_originals: modal.componentInstance.deleteOriginal,
+          .bulkEdit([this.document.id], 'edit_pdf', {
+            operations: modal.componentInstance.getOperations(),
+            delete_original: modal.componentInstance.deleteOriginal,
+            update_document:
+              modal.componentInstance.editMode == PdfEditorEditMode.Update,
+            include_metadata: modal.componentInstance.includeMetadata,
           })
           .pipe(first(), takeUntil(this.unsubscribeNotifier))
           .subscribe({
             next: () => {
               this.toastService.showInfo(
-                $localize`Split operation for "${this.document.title}" will begin in the background.`
+                $localize`PDF edit operation for "${this.document.title}" will begin in the background.`
               )
               modal.close()
             },
@@ -1380,86 +1384,7 @@ export class DocumentDetailComponent
                 modal.componentInstance.buttonsEnabled = true
               }
               this.toastService.showError(
-                $localize`Error executing split operation`,
-                error
-              )
-            },
-          })
-      })
-  }
-
-  rotateDocument() {
-    let modal = this.modalService.open(RotateConfirmDialogComponent, {
-      backdrop: 'static',
-      size: 'lg',
-    })
-    modal.componentInstance.title = $localize`Rotate confirm`
-    modal.componentInstance.messageBold = $localize`This operation will permanently rotate the original version of the current document.`
-    modal.componentInstance.btnCaption = $localize`Proceed`
-    modal.componentInstance.documentID = this.document.id
-    modal.componentInstance.showPDFNote = false
-    modal.componentInstance.confirmClicked
-      .pipe(takeUntil(this.unsubscribeNotifier))
-      .subscribe(() => {
-        modal.componentInstance.buttonsEnabled = false
-        this.documentsService
-          .bulkEdit([this.document.id], 'rotate', {
-            degrees: modal.componentInstance.degrees,
-          })
-          .pipe(first(), takeUntil(this.unsubscribeNotifier))
-          .subscribe({
-            next: () => {
-              this.toastService.show({
-                content: $localize`Rotation of "${this.document.title}" will begin in the background. Close and re-open the document after the operation has completed to see the changes.`,
-                delay: 8000,
-                action: this.close.bind(this),
-                actionName: $localize`Close`,
-              })
-              modal.close()
-            },
-            error: (error) => {
-              if (modal) {
-                modal.componentInstance.buttonsEnabled = true
-              }
-              this.toastService.showError(
-                $localize`Error executing rotate operation`,
-                error
-              )
-            },
-          })
-      })
-  }
-
-  deletePages() {
-    let modal = this.modalService.open(DeletePagesConfirmDialogComponent, {
-      backdrop: 'static',
-    })
-    modal.componentInstance.title = $localize`Delete pages confirm`
-    modal.componentInstance.messageBold = $localize`This operation will permanently delete the selected pages from the original document.`
-    modal.componentInstance.btnCaption = $localize`Proceed`
-    modal.componentInstance.documentID = this.document.id
-    modal.componentInstance.confirmClicked
-      .pipe(takeUntil(this.unsubscribeNotifier))
-      .subscribe(() => {
-        modal.componentInstance.buttonsEnabled = false
-        this.documentsService
-          .bulkEdit([this.document.id], 'delete_pages', {
-            pages: modal.componentInstance.pages,
-          })
-          .pipe(first(), takeUntil(this.unsubscribeNotifier))
-          .subscribe({
-            next: () => {
-              this.toastService.showInfo(
-                $localize`Delete pages operation for "${this.document.title}" will begin in the background. Close and re-open or reload this document after the operation has completed to see the changes.`
-              )
-              modal.close()
-            },
-            error: (error) => {
-              if (modal) {
-                modal.componentInstance.buttonsEnabled = true
-              }
-              this.toastService.showError(
-                $localize`Error executing delete pages operation`,
+                $localize`Error executing PDF edit operation`,
                 error
               )
             },

src/documents/bulk_edit.py

@@ -497,6 +497,103 @@ def delete_pages(doc_ids: list[int], pages: list[int]) -> Literal["OK"]:
     return "OK"
 
 
+def edit_pdf(
+    doc_ids: list[int],
+    operations: list[dict],
+    *,
+    delete_original: bool = False,
+    update_document: bool = False,
+    include_metadata: bool = True,
+    user: User | None = None,
+) -> Literal["OK"]:
+    """
+    Operations is a list of dictionaries describing the final PDF pages.
+    Each entry must contain the original page number in `page` and may
+    specify `rotate` in degrees and `doc` indicating the output
+    document index (for splitting). Pages omitted from the list are
+    discarded.
+    """
+
+    logger.info(
+        f"Editing PDF of document {doc_ids[0]} with {len(operations)} operations",
+    )
+    doc = Document.objects.get(id=doc_ids[0])
+    import pikepdf
+
+    pdf_docs: list[pikepdf.Pdf] = []
+
+    try:
+        with pikepdf.open(doc.source_path) as src:
+            # prepare output documents
+            max_idx = max(op.get("doc", 0) for op in operations)
+            pdf_docs = [pikepdf.new() for _ in range(max_idx + 1)]
+
+            if update_document and len(pdf_docs) > 1:
+                logger.error(
+                    "Update requested but multiple output documents specified",
+                )
+                raise ValueError("Multiple output documents specified")
+
+            for op in operations:
+                dst = pdf_docs[op.get("doc", 0)]
+                page = src.pages[op["page"] - 1]
+                dst.pages.append(page)
+                if op.get("rotate"):
+                    dst.pages[-1].rotate(op["rotate"], relative=True)
+
+        if update_document:
+            temp_path = doc.source_path.with_suffix(".tmp.pdf")
+            pdf = pdf_docs[0]
+            pdf.remove_unreferenced_resources()
+            # save the edited PDF to a temporary file in case of errors
+            pdf.save(temp_path)
+            # replace the original document with the edited one
+            temp_path.replace(doc.source_path)
+            doc.checksum = hashlib.md5(doc.source_path.read_bytes()).hexdigest()
+            doc.page_count = len(pdf.pages)
+            doc.save()
+            update_document_content_maybe_archive_file.delay(document_id=doc.id)
+        else:
+            consume_tasks = []
+            overrides = (
+                DocumentMetadataOverrides().from_document(doc)
+                if include_metadata
+                else DocumentMetadataOverrides()
+            )
+            if user is not None:
+                overrides.owner_id = user.id
+
+            for idx, pdf in enumerate(pdf_docs, start=1):
+                filepath: Path = (
+                    Path(tempfile.mkdtemp(dir=settings.SCRATCH_DIR))
+                    / f"{doc.id}_edit_{idx}.pdf"
+                )
+                pdf.remove_unreferenced_resources()
+                pdf.save(filepath)
+                consume_tasks.append(
+                    consume_file.s(
+                        ConsumableDocument(
+                            source=DocumentSource.ConsumeFolder,
+                            original_file=filepath,
+                        ),
+                        overrides,
+                    ),
+                )
+
+            if delete_original:
+                chord(header=consume_tasks, body=delete.si([doc.id])).delay()
+            else:
+                group(consume_tasks).delay()
+
+    except Exception as e:
+        logger.exception(f"Error editing document {doc.id}: {e}")
+        raise ValueError(
+            f"An error occurred while editing the document: {e}",
+        ) from e
+
+    return "OK"
+
+
 def reflect_doclinks(
     document: Document,
     field: CustomField,

src/documents/serialisers.py

@@ -1293,6 +1293,7 @@ class BulkEditSerializer(
             "merge",
             "split",
             "delete_pages",
+            "edit_pdf",
         ],
         label="Method",
         write_only=True,
@@ -1366,7 +1367,10 @@ class BulkEditSerializer(
             return bulk_edit.split
         elif method == "delete_pages":
             return bulk_edit.delete_pages
-        else:
+        elif method == "edit_pdf":
+            return bulk_edit.edit_pdf
+        else:  # pragma: no cover
+            # This will never happen as it is handled by the ChoiceField
             raise serializers.ValidationError("Unsupported method.")
 
     def _validate_parameters_tags(self, parameters):
@@ -1520,6 +1524,47 @@ class BulkEditSerializer(
         else:
             parameters["archive_fallback"] = False
 
+    def _validate_parameters_edit_pdf(self, parameters, document_id):
+        if "operations" not in parameters:
+            raise serializers.ValidationError("operations not specified")
+        if not isinstance(parameters["operations"], list):
+            raise serializers.ValidationError("operations must be a list")
+        for op in parameters["operations"]:
+            if not isinstance(op, dict):
+                raise serializers.ValidationError("invalid operation entry")
+            if "page" not in op or not isinstance(op["page"], int):
+                raise serializers.ValidationError("page must be an integer")
+            if "rotate" in op and not isinstance(op["rotate"], int):
+                raise serializers.ValidationError("rotate must be an integer")
+            if "doc" in op and not isinstance(op["doc"], int):
+                raise serializers.ValidationError("doc must be an integer")
+        if "update_document" in parameters:
+            if not isinstance(parameters["update_document"], bool):
+                raise serializers.ValidationError("update_document must be a boolean")
+        else:
+            parameters["update_document"] = False
+        if "include_metadata" in parameters:
+            if not isinstance(parameters["include_metadata"], bool):
+                raise serializers.ValidationError("include_metadata must be a boolean")
+        else:
+            parameters["include_metadata"] = True
+
+        if parameters["update_document"]:
+            max_idx = max(op.get("doc", 0) for op in parameters["operations"])
+            if max_idx > 0:
+                raise serializers.ValidationError(
+                    "update_document only allowed with a single output document",
+                )
+
+        doc = Document.objects.get(id=document_id)
+        # doc existence is already validated
+        if doc.page_count:
+            for op in parameters["operations"]:
+                if op["page"] < 1 or op["page"] > doc.page_count:
+                    raise serializers.ValidationError(
+                        f"Page {op['page']} is out of bounds for document with {doc.page_count} pages.",
+                    )
+
     def validate(self, attrs):
         method = attrs["method"]
         parameters = attrs["parameters"]
@@ -1554,6 +1599,12 @@ class BulkEditSerializer(
             self._validate_parameters_delete_pages(parameters)
         elif method == bulk_edit.merge:
             self._validate_parameters_merge(parameters)
+        elif method == bulk_edit.edit_pdf:
+            if len(attrs["documents"]) > 1:
+                raise serializers.ValidationError(
+                    "Edit PDF method only supports one document",
+                )
+            self._validate_parameters_edit_pdf(parameters, attrs["documents"][0])
 
         return attrs
 

src/documents/tests/test_api_bulk_edit.py

@@ -41,6 +41,7 @@ class TestBulkEditAPI(DirectoriesMixin, APITestCase):
             title="B",
             correspondent=self.c1,
             document_type=self.dt1,
+            page_count=5,
         )
         self.doc3 = Document.objects.create(
             checksum="C",
@@ -1369,6 +1370,218 @@ class TestBulkEditAPI(DirectoriesMixin, APITestCase):
         self.assertEqual(response.status_code, status.HTTP_400_BAD_REQUEST)
         self.assertIn(b"pages must be a list of integers", response.content)
 
+    @mock.patch("documents.serialisers.bulk_edit.edit_pdf")
+    def test_edit_pdf(self, m):
+        self.setup_mock(m, "edit_pdf")
+        response = self.client.post(
+            "/api/documents/bulk_edit/",
+            json.dumps(
+                {
+                    "documents": [self.doc2.id],
+                    "method": "edit_pdf",
+                    "parameters": {"operations": [{"page": 1}]},
+                },
+            ),
+            content_type="application/json",
+        )
+
+        self.assertEqual(response.status_code, status.HTTP_200_OK)
+
+        m.assert_called_once()
+        args, kwargs = m.call_args
+        self.assertCountEqual(args[0], [self.doc2.id])
+        self.assertEqual(kwargs["operations"], [{"page": 1}])
+        self.assertEqual(kwargs["user"], self.user)
+
+    def test_edit_pdf_invalid_params(self):
+        # multiple documents
+        response = self.client.post(
+            "/api/documents/bulk_edit/",
+            json.dumps(
+                {
+                    "documents": [self.doc2.id, self.doc3.id],
+                    "method": "edit_pdf",
+                    "parameters": {"operations": [{"page": 1}]},
+                },
+            ),
+            content_type="application/json",
+        )
+        self.assertEqual(response.status_code, status.HTTP_400_BAD_REQUEST)
+        self.assertIn(b"Edit PDF method only supports one document", response.content)
+
+        # no operations specified
+        response = self.client.post(
+            "/api/documents/bulk_edit/",
+            json.dumps(
+                {
+                    "documents": [self.doc2.id],
+                    "method": "edit_pdf",
+                    "parameters": {},
+                },
+            ),
+            content_type="application/json",
+        )
+        self.assertEqual(response.status_code, status.HTTP_400_BAD_REQUEST)
+        self.assertIn(b"operations not specified", response.content)
+
+        # operations not a list
+        response = self.client.post(
+            "/api/documents/bulk_edit/",
+            json.dumps(
+                {
+                    "documents": [self.doc2.id],
+                    "method": "edit_pdf",
+                    "parameters": {"operations": "not_a_list"},
+                },
+            ),
+            content_type="application/json",
+        )
+        self.assertEqual(response.status_code, status.HTTP_400_BAD_REQUEST)
+        self.assertIn(b"operations must be a list", response.content)
+
+        # invalid operation
+        response = self.client.post(
+            "/api/documents/bulk_edit/",
+            json.dumps(
+                {
+                    "documents": [self.doc2.id],
+                    "method": "edit_pdf",
+                    "parameters": {"operations": ["invalid_operation"]},
+                },
+            ),
+            content_type="application/json",
+        )
+        self.assertEqual(response.status_code, status.HTTP_400_BAD_REQUEST)
+        self.assertIn(b"invalid operation entry", response.content)
+
+        # page not an int
+        response = self.client.post(
+            "/api/documents/bulk_edit/",
+            json.dumps(
+                {
+                    "documents": [self.doc2.id],
+                    "method": "edit_pdf",
+                    "parameters": {"operations": [{"page": "not_an_int"}]},
+                },
+            ),
+            content_type="application/json",
+        )
+        self.assertEqual(response.status_code, status.HTTP_400_BAD_REQUEST)
+        self.assertIn(b"page must be an integer", response.content)
+
+        # rotate not an int
+        response = self.client.post(
+            "/api/documents/bulk_edit/",
+            json.dumps(
+                {
+                    "documents": [self.doc2.id],
+                    "method": "edit_pdf",
+                    "parameters": {"operations": [{"page": 1, "rotate": "not_an_int"}]},
+                },
+            ),
+            content_type="application/json",
+        )
+        self.assertEqual(response.status_code, status.HTTP_400_BAD_REQUEST)
+        self.assertIn(b"rotate must be an integer", response.content)
+
+        # doc not an int
+        response = self.client.post(
+            "/api/documents/bulk_edit/",
+            json.dumps(
+                {
+                    "documents": [self.doc2.id],
+                    "method": "edit_pdf",
+                    "parameters": {"operations": [{"page": 1, "doc": "not_an_int"}]},
+                },
+            ),
+            content_type="application/json",
+        )
+        self.assertEqual(response.status_code, status.HTTP_400_BAD_REQUEST)
+        self.assertIn(b"doc must be an integer", response.content)
+
+        # update_document not a boolean
+        response = self.client.post(
+            "/api/documents/bulk_edit/",
+            json.dumps(
+                {
+                    "documents": [self.doc2.id],
+                    "method": "edit_pdf",
+                    "parameters": {
+                        "update_document": "not_a_bool",
+                        "operations": [{"page": 1}],
+                    },
+                },
+            ),
+            content_type="application/json",
+        )
+        self.assertEqual(response.status_code, status.HTTP_400_BAD_REQUEST)
+        self.assertIn(b"update_document must be a boolean", response.content)
+
+        # include_metadata not a boolean
+        response = self.client.post(
+            "/api/documents/bulk_edit/",
+            json.dumps(
+                {
+                    "documents": [self.doc2.id],
+                    "method": "edit_pdf",
+                    "parameters": {
+                        "include_metadata": "not_a_bool",
+                        "operations": [{"page": 1}],
+                    },
+                },
+            ),
+            content_type="application/json",
+        )
+        self.assertEqual(response.status_code, status.HTTP_400_BAD_REQUEST)
+        self.assertIn(b"include_metadata must be a boolean", response.content)
+
+        # update_document True but output would be multiple documents
+        response = self.client.post(
+            "/api/documents/bulk_edit/",
+            json.dumps(
+                {
+                    "documents": [self.doc2.id],
+                    "method": "edit_pdf",
+                    "parameters": {
+                        "update_document": True,
+                        "operations": [{"page": 1, "doc": 1}, {"page": 2, "doc": 2}],
+                    },
+                },
+            ),
+            content_type="application/json",
+        )
+        self.assertEqual(response.status_code, status.HTTP_400_BAD_REQUEST)
+        self.assertIn(
+            b"update_document only allowed with a single output document",
+            response.content,
+        )
+
+    @mock.patch("documents.serialisers.bulk_edit.edit_pdf")
+    def test_edit_pdf_page_out_of_bounds(self, m):
+        """
+        GIVEN:
+            - API data for editing PDF is called
+            - The page number is out of bounds
+        WHEN:
+            - API is called
+        THEN:
+            - The API fails with a correct error code
+        """
+        self.setup_mock(m, "edit_pdf")
+        response = self.client.post(
+            "/api/documents/bulk_edit/",
+            json.dumps(
+                {
+                    "documents": [self.doc2.id],
+                    "method": "edit_pdf",
+                    "parameters": {"operations": [{"page": 99}]},
+                },
+            ),
+            content_type="application/json",
+        )
+        self.assertEqual(response.status_code, status.HTTP_400_BAD_REQUEST)
+        self.assertIn(b"out of bounds", response.content)
+
     @override_settings(AUDIT_LOG_ENABLED=True)
     def test_bulk_edit_audit_log_enabled_simple_field(self):
         """

src/documents/tests/test_bulk_edit.py

@@ -909,3 +909,156 @@ class TestPDFActions(DirectoriesMixin, TestCase):
             expected_str = "Error deleting pages from document"
             self.assertIn(expected_str, error_str)
             mock_update_archive_file.assert_not_called()
+
+    @mock.patch("documents.bulk_edit.group")
+    @mock.patch("documents.tasks.consume_file.s")
+    def test_edit_pdf_basic_operations(self, mock_consume_file, mock_group):
+        """
+        GIVEN:
+            - Existing document
+        WHEN:
+            - edit_pdf is called with two operations to split the doc and rotate pages
+        THEN:
+            - A grouped task is generated and delay() is called
+        """
+        mock_group.return_value.delay.return_value = None
+        doc_ids = [self.doc2.id]
+        operations = [{"page": 1, "doc": 0}, {"page": 2, "doc": 1, "rotate": 90}]
+
+        result = bulk_edit.edit_pdf(doc_ids, operations)
+        self.assertEqual(result, "OK")
+        mock_group.return_value.delay.assert_called_once()
+
+    @mock.patch("documents.bulk_edit.group")
+    @mock.patch("documents.tasks.consume_file.s")
+    def test_edit_pdf_with_user_override(self, mock_consume_file, mock_group):
+        """
+        GIVEN:
+            - Existing document
+        WHEN:
+            - edit_pdf is called with user override
+        THEN:
+            - Task is created with user context
+        """
+        mock_group.return_value.delay.return_value = None
+        doc_ids = [self.doc2.id]
+        operations = [{"page": 1, "doc": 0}, {"page": 2, "doc": 1}]
+        user = User.objects.create(username="editor")
+
+        result = bulk_edit.edit_pdf(doc_ids, operations, user=user)
+        self.assertEqual(result, "OK")
+        mock_group.return_value.delay.assert_called_once()
+
+    @mock.patch("documents.bulk_edit.chord")
+    @mock.patch("documents.tasks.consume_file.s")
+    def test_edit_pdf_with_delete_original(self, mock_consume_file, mock_chord):
+        """
+        GIVEN:
+            - Existing document
+        WHEN:
+            - edit_pdf is called with delete_original=True
+        THEN:
+            - Task group is triggered
+        """
+        mock_chord.return_value.delay.return_value = None
+        doc_ids = [self.doc2.id]
+        operations = [{"page": 1}, {"page": 2}]
+
+        result = bulk_edit.edit_pdf(doc_ids, operations, delete_original=True)
+        self.assertEqual(result, "OK")
+        mock_chord.assert_called_once()
+
+    @mock.patch("documents.tasks.update_document_content_maybe_archive_file.delay")
+    def test_edit_pdf_with_update_document(self, mock_update_document):
+        """
+        GIVEN:
+            - A single existing PDF document
+        WHEN:
+            - edit_pdf is called with update_document=True and a single output
+        THEN:
+            - The original document is updated in-place
+            - The update_document_content_maybe_archive_file task is triggered
+        """
+        doc_ids = [self.doc2.id]
+        operations = [{"page": 1}, {"page": 2}]
+        original_checksum = self.doc2.checksum
+        original_page_count = self.doc2.page_count
+
+        result = bulk_edit.edit_pdf(
+            doc_ids,
+            operations=operations,
+            update_document=True,
+            delete_original=False,
+        )
+
+        self.assertEqual(result, "OK")
+        self.doc2.refresh_from_db()
+        self.assertNotEqual(self.doc2.checksum, original_checksum)
+        self.assertNotEqual(self.doc2.page_count, original_page_count)
+        mock_update_document.assert_called_once_with(document_id=self.doc2.id)
+
+    @mock.patch("documents.bulk_edit.group")
+    @mock.patch("documents.tasks.consume_file.s")
+    def test_edit_pdf_without_metadata(self, mock_consume_file, mock_group):
+        """
+        GIVEN:
+            - Existing document
+        WHEN:
+            - edit_pdf is called with include_metadata=False
+        THEN:
+            - Tasks are created with empty metadata
+        """
+        mock_group.return_value.delay.return_value = None
+        doc_ids = [self.doc2.id]
+        operations = [{"page": 1}]
+
+        result = bulk_edit.edit_pdf(doc_ids, operations, include_metadata=False)
+        self.assertEqual(result, "OK")
+        mock_group.return_value.delay.assert_called_once()
+
+    @mock.patch("documents.bulk_edit.group")
+    @mock.patch("documents.tasks.consume_file.s")
+    def test_edit_pdf_open_failure(self, mock_consume_file, mock_group):
+        """
+        GIVEN:
+            - Existing document
+        WHEN:
+            - edit_pdf fails to open PDF
+        THEN:
+            - Task group is not called
+        """
+        doc_ids = [self.doc2.id]
+        operations = [
+            {"page": 9999},  # invalid page, forces error during PDF load
+        ]
+        with self.assertLogs("paperless.bulk_edit", level="ERROR"):
+            with self.assertRaises(Exception):
+                bulk_edit.edit_pdf(doc_ids, operations)
+        mock_group.assert_not_called()
+        mock_consume_file.assert_not_called()
+
+    @mock.patch("documents.bulk_edit.group")
+    @mock.patch("documents.tasks.consume_file.s")
+    def test_edit_pdf_multiple_outputs_with_update_flag_errors(
+        self,
+        mock_consume_file,
+        mock_group,
+    ):
+        """
+        GIVEN:
+            - Existing document
+        WHEN:
+            - edit_pdf is called with multiple outputs and update_document=True
+        THEN:
+            - An error is logged and task group is not called
+        """
+        doc_ids = [self.doc2.id]
+        operations = [
+            {"page": 1, "doc": 0},
+            {"page": 2, "doc": 1},
+        ]
+        with self.assertLogs("paperless.bulk_edit", level="ERROR"):
+            with self.assertRaises(ValueError):
+                bulk_edit.edit_pdf(doc_ids, operations, update_document=True)
+        mock_group.assert_not_called()
+        mock_consume_file.assert_not_called()

src/documents/views.py

@@ -1321,6 +1321,7 @@ class BulkEditView(PassUserMixin):
         "delete_pages": "checksum",
         "split": None,
         "merge": None,
+        "edit_pdf": "checksum",
         "reprocess": "checksum",
     }
 
@@ -1339,6 +1340,7 @@ class BulkEditView(PassUserMixin):
         if method in [
             bulk_edit.split,
             bulk_edit.merge,
+            bulk_edit.edit_pdf,
         ]:
             parameters["user"] = user
 
@@ -1358,27 +1360,36 @@ class BulkEditView(PassUserMixin):
 
             # check ownership for methods that change original document
             if (
-                has_perms
-                and method
-                in [
-                    bulk_edit.set_permissions,
-                    bulk_edit.delete,
-                    bulk_edit.rotate,
-                    bulk_edit.delete_pages,
-                ]
-            ) or (
-                method in [bulk_edit.merge, bulk_edit.split]
-                and parameters["delete_originals"]
+                (
+                    has_perms
+                    and method
+                    in [
+                        bulk_edit.set_permissions,
+                        bulk_edit.delete,
+                        bulk_edit.rotate,
+                        bulk_edit.delete_pages,
+                        bulk_edit.edit_pdf,
+                    ]
+                )
+                or (
+                    method in [bulk_edit.merge, bulk_edit.split]
+                    and parameters["delete_originals"]
+                )
+                or (method == bulk_edit.edit_pdf and parameters["update_document"])
             ):
                 has_perms = user_is_owner_of_all_documents
 
             # check global add permissions for methods that create documents
             if (
                 has_perms
-                and method in [bulk_edit.split, bulk_edit.merge]
-                and not user.has_perm(
-                    "documents.add_document",
+                and (
+                    method in [bulk_edit.split, bulk_edit.merge]
+                    or (
+                        method == bulk_edit.edit_pdf
+                        and not parameters["update_document"]
+                    )
                 )
+                and not user.has_perm("documents.add_document")
             ):
                 has_perms = False
 
@@ -1416,7 +1427,6 @@ class BulkEditView(PassUserMixin):
                     )
                 }
 
-            # TODO: parameter validation
             result = method(documents, **parameters)
 
             if settings.AUDIT_LOG_ENABLED and modified_field: