From 9bca4848f30f956bccf322e2585e1cda691296e2 Mon Sep 17 00:00:00 2001
From: Saud Fatayerji <saudfatayerji@gmail.com>
Date: Sat, 18 Nov 2023 19:56:45 +0300
Subject: [PATCH] Added remove pages
---
.../src/routes/api/operations-controller.ts | 5 +++++
.../src/functions/removePages.ts | 21 +++++++++++++++++++
shared-operations/src/index.ts | 3 +++
3 files changed, 29 insertions(+)
create mode 100644 shared-operations/src/functions/removePages.ts
diff --git a/server-node/src/routes/api/operations-controller.ts b/server-node/src/routes/api/operations-controller.ts
index 3d57e4052..5e7484a0e 100644
--- a/server-node/src/routes/api/operations-controller.ts
+++ b/server-node/src/routes/api/operations-controller.ts
@@ -73,6 +73,11 @@ registerEndpoint("/rotate-pdf", "", upload.single("file"), Operations.rotatePage
rotation: Joi.alternatives().try(Joi.number(), Joi.array().items(Joi.number())).required(),
}).required());
+registerEndpoint("/remove-pages", "", upload.single("file"), Operations.removePages, Joi.object({
+ file: PdfFileSchema.required(),
+ pageSelector: Joi.string().required(),
+}).required());
+
//Remove Pages
//impose
//Adjust page size/scale
diff --git a/shared-operations/src/functions/removePages.ts b/shared-operations/src/functions/removePages.ts
new file mode 100644
index 000000000..6174e12c0
--- /dev/null
+++ b/shared-operations/src/functions/removePages.ts
@@ -0,0 +1,21 @@
+
+import { PdfFile } from '../wrappers/PdfFile.js';
+import { getPages } from './common/getPagesByIndex.js';
+import { invertSelection, parsePageIndexSpecification } from './common/pageIndexesUtils.js';
+
+export type RemovePagesParamsType = {
+ file: PdfFile;
+ pageSelector: string;
+}
+export async function removePages(params: RemovePagesParamsType) {
+ const { file, pageSelector } = params;
+ const pdfDoc = await file.pdfLibDocument;
+ const pageCount = pdfDoc.getPageCount();
+
+ const pageSelection = parsePageIndexSpecification(pageSelector, pageCount);
+ const pagesToKeep = invertSelection(pageSelection, pageCount);
+
+ const newFile = await getPages(file, pagesToKeep);
+ newFile.filename += "_removedPages"
+ return newFile;
+}
\ No newline at end of file
diff --git a/shared-operations/src/index.ts b/shared-operations/src/index.ts
index 13fe808c7..100e590b6 100644
--- a/shared-operations/src/index.ts
+++ b/shared-operations/src/index.ts
@@ -4,6 +4,7 @@ import { extractPages, ExtractPagesParamsType } from "./functions/extractPages";
import { impose, ImposeParamsType } from "./functions/impose";
import { mergePDFs, MergeParamsType } from './functions/mergePDFs';
import { removeBlankPages, RemoveBlankPagesParamsType } from "./functions/removeBlankPages";
+import { removePages, RemovePagesParamsType } from "./functions/removePages";
import { rotatePages, RotateParamsType } from './functions/rotatePages';
import { scaleContent, ScaleContentParamsType} from './functions/scaleContent';
import { scalePage, ScalePageParamsType } from './functions/scalePage';
@@ -22,6 +23,7 @@ const toExport = {
impose,
mergePDFs,
removeBlankPages,
+ removePages,
rotatePages,
scaleContent,
scalePage,
@@ -37,6 +39,7 @@ export type OperationsParametersBaseType = {
impose: ImposeParamsType;
mergePDFs: MergeParamsType;
removeBlankPages: RemoveBlankPagesParamsType;
+ removePages: RemovePagesParamsType;
rotatePages: RotateParamsType;
scaleContent: ScaleContentParamsType;
scalePage: ScalePageParamsType;