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Merge pull request #111 from aspose-pdf-cloud/pdfapps-6680-added-use-cases-for-pages
PDFAPPS-6680: added use cases for Pages
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‎UsesCases/Pages/add/addPage.js

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// 1. Load your Application Secret and Key from the JSON file or set credentials in another way
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// 2. Create an object to connect to the Pdf.Cloud API
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// 3. Upload your document file
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// 4. Create a new Link Annotation with the required properties
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// 5. Append new Link Annotation to the document using postPageLinkAnnotations() function
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// 6. Perform some action after successful addition
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// All values of variables starting with "YOUR_****" should be replaced by real user values
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import credentials from "./credentials.json" with { type: "json" };
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import fs from 'node:fs/promises';
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import path from 'node:path';
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import { PdfApi } from "asposepdfcloud";
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const configParams = {
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LOCAL_FOLDER: "C:\\Samples\\",
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PDF_DOCUMENT_NAME: "sample.pdf",
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LOCAL_RESULT_DOCUMENT_NAME: "output_sample.pdf"
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};
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const pdfApi = new PdfApi(credentials.id, credentials.key);
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const pdfPages = {
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async uploadDocument () {
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const fileNamePath = path.join(configParams.LOCAL_FOLDER, configParams.PDF_DOCUMENT_NAME);
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const pdfFileData = await fs.readFile(fileNamePath);
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await pdfApi.uploadFile(configParams.PDF_DOCUMENT_NAME, pdfFileData);
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},
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async downloadResult () {
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const changedPdfData = await pdfApi.downloadFile(configParams.PDF_DOCUMENT_NAME);
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const filePath = path.join(configParams.LOCAL_FOLDER, configParams.LOCAL_RESULT_DOCUMENT_NAME);
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await fs.writeFile(filePath, changedPdfData.body);
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console.log("Downloaded: " + filePath);
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},
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async addPage () {
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const resultPages = await pdfApi.putAddNewPage(configParams.PDF_DOCUMENT_NAME);
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if (resultPages.body.code == 200 && resultPages.body.pages) {
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this.showPages( [ resultPages.body.pages.list[resultPages.body.pages.list.length - 1] ], "new page");
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return resultPages.body.pages.list[resultPages.body.pages.list.length - 1];
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}
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else
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console.error("Unexpected error : can't get pages!!!");
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},
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showPages (pages, prefix) {
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if (Array.isArray(pages) && pages.length > 0)
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{
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pages.forEach(function(page) {
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console.log(prefix +" => id: '" + page.id + "', lLx: '" + page.rectangle.lLX + "', lLY: '" + page.rectangle.lLY + "', uRX: '" + page.rectangle.uRX + "', uRY: '" + page.rectangle.uRY + "'");
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});
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}
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else
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console.error("showPages() error: array of pages is empty!")
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},
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}
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async function main() {
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try {
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await pdfPages.uploadDocument();
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await pdfPages.addPage();
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await pdfPages.downloadResult();
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} catch (error) {
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console.error("Error:", error.message);
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}
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}
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main();

‎UsesCases/Pages/get/getPagesAndShow.js

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// 1. Load your Application Secret and Key from the JSON file or set credentials in another way
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// 2. Create an object to connect to the Pdf.Cloud API
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// 3. Upload your document file
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// 4. Retrieve required Link Annotation from the document using getPageLinkAnnotation() function
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// 6. Perform some action after successful retrieving the Link Annotation from document
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// All values of variables starting with "YOUR_****" should be replaced by real user values
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import credentials from "./credentials.json" with { type: "json" };
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import fs from 'node:fs/promises';
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import path from 'node:path';
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import { PdfApi } from "asposepdfcloud";
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const configParams = {
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LOCAL_FOLDER: "C:\\Samples\\",
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PDF_DOCUMENT_NAME: "sample.pdf",
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LOCAL_RESULT_DOCUMENT_NAME: "output_sample.pdf",
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PAGE_NUMBER: 2, // Your document page number...
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};
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const pdfApi = new PdfApi(credentials.id, credentials.key);
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const pdfPages = {
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async uploadDocument () {
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const fileNamePath = path.join(configParams.LOCAL_FOLDER, configParams.PDF_DOCUMENT_NAME);
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const pdfFileData = await fs.readFile(fileNamePath);
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await pdfApi.uploadFile(configParams.PDF_DOCUMENT_NAME, pdfFileData);
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},
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async downloadResult () {
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const changedPdfData = await pdfApi.downloadFile(configParams.PDF_DOCUMENT_NAME);
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const filePath = path.join(configParams.LOCAL_FOLDER, configParams.LOCAL_RESULT_DOCUMENT_NAME);
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await fs.writeFile(filePath, changedPdfData.body);
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console.log("Downloaded: " + filePath);
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},
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async getPagesInfo () {
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const resultPages = await pdfApi.getPages(configParams.PDF_DOCUMENT_NAME);
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if (resultPages.body.code == 200 && resultPages.body.pages.list) {
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this.showPages(resultPages.body.pages.list, "pages");
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return resultPages.body.pages.list;
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}
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else
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console.error("Unexpected error : can't get pages!!!");
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},
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async getPageInfo (pageNumber) {
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const resultPages = await pdfApi.getPage(configParams.PDF_DOCUMENT_NAME, pageNumber);
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if (resultPages.body.code == 200 && resultPages.body.page) {
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this.showPages( [ resultPages.body.page ], "page");
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return resultPages.body.page;
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}
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else
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console.error("Unexpected error : can't get pages!!!");
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},
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showPages (pages, prefix) {
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if (Array.isArray(pages) && pages.length > 0)
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{
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pages.forEach(function(page) {
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console.log(prefix +" => id: '" + page.id + "', lLx: '" + page.rectangle.lLX + "', lLY: '" + page.rectangle.lLY + "', uRX: '" + page.rectangle.uRX + "', uRY: '" + page.rectangle.uRY + "'");
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});
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}
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else
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console.error("showPages() error: array of pages is empty!")
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},
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}
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async function main() {
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try {
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await pdfPages.uploadDocument();
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await pdfPages.getPagesInfo();
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await pdfPages.getPageInfo(configParams.PAGE_NUMBER);
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} catch (error) {
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console.error("Error:", error.message);
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}
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}
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main();

‎UsesCases/Pages/move/movePage.js

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// 1. Load your Application Secret and Key from the JSON file or set credentials in another way
2+
// 2. Create an object to connect to the Pdf.Cloud API
3+
// 3. Upload your document file
4+
// 4. Create a new Link Annotation with the required properties
5+
// 5. Append new Link Annotation to the document using postPageLinkAnnotations() function
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// 6. Perform some action after successful addition
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// All values of variables starting with "YOUR_****" should be replaced by real user values
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import credentials from "./credentials.json" with { type: "json" };
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import fs from 'node:fs/promises';
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import path from 'node:path';
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import { PdfApi } from "asposepdfcloud";
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const configParams = {
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LOCAL_FOLDER: "C:\\Samples\\",
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PDF_DOCUMENT_NAME: "sample.pdf",
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LOCAL_RESULT_DOCUMENT_NAME: "output_sample.pdf",
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PAGE_NUMBER: 2, // Your document page number...
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};
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const pdfApi = new PdfApi(credentials.id, credentials.key);
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const pdfPages = {
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async uploadDocument () {
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const fileNamePath = path.join(configParams.LOCAL_FOLDER, configParams.PDF_DOCUMENT_NAME);
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const pdfFileData = await fs.readFile(fileNamePath);
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await pdfApi.uploadFile(configParams.PDF_DOCUMENT_NAME, pdfFileData);
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},
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async downloadResult () {
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const changedPdfData = await pdfApi.downloadFile(configParams.PDF_DOCUMENT_NAME);
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const filePath = path.join(configParams.LOCAL_FOLDER, configParams.LOCAL_RESULT_DOCUMENT_NAME);
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await fs.writeFile(filePath, changedPdfData.body);
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console.log("Downloaded: " + filePath);
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},
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async movePage (pageNumber, newPageNumber) {
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const resultPages = await pdfApi.postMovePage(configParams.PDF_DOCUMENT_NAME, pageNumber, newPageNumber);
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if (resultPages.body.code == 200) {
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console.log("Page #" + pageNumber + " moved to #" + newPageNumber + " !");
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return true;
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}
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else
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console.error("Unexpected error : can't move page!!!");
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},
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}
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async function main() {
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try {
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await pdfPages.uploadDocument();
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await pdfPages.movePage(configParams.PAGE_NUMBER, configParams.PAGE_NUMBER + 1);
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await pdfPages.downloadResult();
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} catch (error) {
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console.error("Error:", error.message);
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}
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}
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main();

‎UsesCases/Pages/remove/removePage.js

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// 1. Load your Application Secret and Key from the JSON file or set credentials in another way
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// 2. Create an object to connect to the Pdf.Cloud API
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// 3. Upload your document file
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// 4. Delete required Link Annotation from the document using deleteLinkAnnotation() function
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// 6. Perform some action after successful removing the Link Annotation from document
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// All values of variables starting with "YOUR_****" should be replaced by real user values
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import credentials from "./credentials.json" with { type: "json" };
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import fs from 'node:fs/promises';
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import path from 'node:path';
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import { PdfApi } from "asposepdfcloud";
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const configParams = {
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LOCAL_FOLDER: "C:\\Samples\\",
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PDF_DOCUMENT_NAME: "sample.pdf",
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LOCAL_RESULT_DOCUMENT_NAME: "output_sample.pdf",
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PAGE_NUMBER: 2, // Your document page number...
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};
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const pdfApi = new PdfApi(credentials.id, credentials.key);
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const pdfPages = {
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async uploadDocument () {
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const fileNamePath = path.join(configParams.LOCAL_FOLDER, configParams.PDF_DOCUMENT_NAME);
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const pdfFileData = await fs.readFile(fileNamePath);
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await pdfApi.uploadFile(configParams.PDF_DOCUMENT_NAME, pdfFileData);
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},
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async downloadResult () {
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const changedPdfData = await pdfApi.downloadFile(configParams.PDF_DOCUMENT_NAME);
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const filePath = path.join(configParams.LOCAL_FOLDER, configParams.LOCAL_RESULT_DOCUMENT_NAME);
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await fs.writeFile(filePath, changedPdfData.body);
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console.log("Downloaded: " + filePath);
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},
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async deletePage () {
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const resultPages = await pdfApi.deletePage(configParams.PDF_DOCUMENT_NAME, configParams.PAGE_NUMBER);
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if (resultPages.body.code == 200) {
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console.log("Page #" + configParams.PAGE_NUMBER + " - deleted!");
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return true;
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}
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else
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console.error("Unexpected error : can't get pages!!!");
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},
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}
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async function main() {
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try {
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await pdfPages.uploadDocument();
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await pdfPages.deletePage();
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await pdfPages.downloadResult();
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} catch (error) {
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console.error("Error:", error.message);
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}
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}
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main();

‎UsesCases/Pages/stamp/pageAaddTextStamp.js

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// 1. Load your Application Secret and Key from the JSON file or set credentials in another way
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// 2. Create an object to connect to the Pdf.Cloud API
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// 3. Upload your document file
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// 4. Create a new Text stamp for page with the required properties
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// 5. Append new Text stamp to the document page using putPageAddStamp() function
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// 6. Perform some action after successful addition
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// All values of variables starting with "YOUR_****" should be replaced by real user values
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import credentials from "./credentials.json" with { type: "json" };
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import fs from 'node:fs/promises';
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import path from 'node:path';
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import { PdfApi } from "asposepdfcloud";
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import { Stamp } from "asposepdfcloud/src/models/stamp.js";
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const configParams = {
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LOCAL_FOLDER: "C:\\Samples\\",
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PDF_DOCUMENT_NAME: "sample.pdf",
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LOCAL_RESULT_DOCUMENT_NAME: "output_sample.pdf",
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PAGE_NUMBER: 2, // Your document page number...
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};
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const pdfApi = new PdfApi(credentials.id, credentials.key);
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const pdfPages = {
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async uploadDocument () {
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const fileNamePath = path.join(configParams.LOCAL_FOLDER, configParams.PDF_DOCUMENT_NAME);
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const pdfFileData = await fs.readFile(fileNamePath);
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await pdfApi.uploadFile(configParams.PDF_DOCUMENT_NAME, pdfFileData);
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},
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async downloadResult () {
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const changedPdfData = await pdfApi.downloadFile(configParams.PDF_DOCUMENT_NAME);
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const filePath = path.join(configParams.LOCAL_FOLDER, configParams.LOCAL_RESULT_DOCUMENT_NAME);
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await fs.writeFile(filePath, changedPdfData.body);
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console.log("Downloaded: " + filePath);
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},
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async addPageTextStamp () {
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const pageStamp = new Stamp();
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pageStamp.type = "Text";
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pageStamp.background = true;
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pageStamp.horizontalAlignment = "Center";
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pageStamp.textAlignment = "Center";
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pageStamp.value = "NEW TEXT STAMP";
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pageStamp.pageIndex = configParams.PAGE_NUMBER;
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const resultPages = await pdfApi.putPageAddStamp(configParams.PDF_DOCUMENT_NAME, configParams.PAGE_NUMBER, pageStamp);
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if (resultPages.body.code == 200) {
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console.log("Text Stamp added!");
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return true;
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}
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else
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console.error("Unexpected error : can't get pages!!!");
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},
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}
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async function main() {
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try {
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await pdfPages.uploadDocument();
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await pdfPages.addPageTextStamp();
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await pdfPages.downloadResult();
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} catch (error) {
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console.error("Error:", error.message);
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}
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}
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main();

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