From a7545b017f959e3422a6d6a684b052aafe6fc1a3 Mon Sep 17 00:00:00 2001
From: Saud Fatayerji <saudfatayerji@gmail.com>
Date: Sun, 19 Nov 2023 11:38:55 +0300
Subject: [PATCH] added endpoint: extract-pages. changed indecies to indexes

---
 server-node/src/routes/api/operations-controller.ts  |  7 ++++++-
 shared-operations/declarations/Action.d.ts           |  2 +-
 shared-operations/src/functions/extractPages.ts      | 12 ++++++------
 shared-operations/src/workflow/traverseOperations.ts |  2 +-
 4 files changed, 14 insertions(+), 9 deletions(-)

diff --git a/server-node/src/routes/api/operations-controller.ts b/server-node/src/routes/api/operations-controller.ts
index 02c885b5..1538babd 100644
--- a/server-node/src/routes/api/operations-controller.ts
+++ b/server-node/src/routes/api/operations-controller.ts
@@ -90,7 +90,12 @@ registerEndpoint("/scale-pages", "", upload.single("file"), Operations.scalePage
 //Auto Split Pages
 //Adjust Colours/Contrast
 //Crop
-//Extract Pages
+
+registerEndpoint("/extract-pages", "", upload.single("file"), Operations.extractPages, Joi.object({
+    file: PdfFileSchema.required(),
+    pageIndexes: Joi.alternatives().try(Joi.string(), Joi.array().items(Joi.number())).required(),
+}).required());
+
 //PDF to Single large Page
 
 
diff --git a/shared-operations/declarations/Action.d.ts b/shared-operations/declarations/Action.d.ts
index 2019e33d..d2d4ec1b 100644
--- a/shared-operations/declarations/Action.d.ts
+++ b/shared-operations/declarations/Action.d.ts
@@ -9,7 +9,7 @@ export interface WaitAction extends Action {
 }
 
 export interface ExtractAction extends Action {
-    values: { indecies: string | number[] }
+    values: { indexes: string | number[] }
 }
 
 export interface ImposeAction extends Action {
diff --git a/shared-operations/src/functions/extractPages.ts b/shared-operations/src/functions/extractPages.ts
index 46b69843..c1206f96 100644
--- a/shared-operations/src/functions/extractPages.ts
+++ b/shared-operations/src/functions/extractPages.ts
@@ -5,19 +5,19 @@ import { parsePageIndexSpecification } from './common/pageIndexesUtils'
 
 export type ExtractPagesParamsType = {
     file: PdfFile;
-    pageIndecies: string | number[];
+    pageIndexes: string | number[];
 }
 export async function extractPages(params: ExtractPagesParamsType): Promise<PdfFile> {
-    const { file, pageIndecies: pageIndecies } = params;
+    const { file, pageIndexes } = params;
     const pdfLibDocument = await file.pdfLibDocument;
 
-    var indecies = pageIndecies;
+    var indexes = pageIndexes;
 
-    if (!Array.isArray(indecies)) {
-        indecies = parsePageIndexSpecification(indecies, pdfLibDocument.getPageCount());
+    if (!Array.isArray(indexes)) {
+        indexes = parsePageIndexSpecification(indexes, pdfLibDocument.getPageCount());
     }
 
-    const newFile = await getPages(file, indecies);
+    const newFile = await getPages(file, indexes);
     newFile.filename += "_extractedPages"
     return newFile;
 }
diff --git a/shared-operations/src/workflow/traverseOperations.ts b/shared-operations/src/workflow/traverseOperations.ts
index 7f3e18d3..5e7f579a 100644
--- a/shared-operations/src/workflow/traverseOperations.ts
+++ b/shared-operations/src/workflow/traverseOperations.ts
@@ -54,7 +54,7 @@ export async function * traverseOperations(operations: Action[], input: PdfFile[
                 break;
             case "extract":
                 yield* nToN(input, action, async (input) => {
-                    const newPdf = await Operations.extractPages({file: input, pageIndecies: action.values["pageIndecies"]});
+                    const newPdf = await Operations.extractPages({file: input, pageIndexes: action.values["pageIndexes"]});
                     return newPdf;
                 });
                 break;