ByteScout Cloud API Server - PDF To CSV API - JavaScript - Convert PDF To CSV From Uploaded File (Node.js) - Async API - ByteScout

ByteScout Cloud API Server – PDF To CSV API – JavaScript – Convert PDF To CSV From Uploaded File (Node.js) – Async API

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How to convert PDF to CSV from uploaded file (node for PDF to CSV API in JavaScript with ByteScout Cloud API Server

Step By Step Instructions on how to convert PDF to CSV from uploaded file (node for PDF to CSV API in JavaScript

The documentation is written to assist you to apply all the necessary features on your side. PDF to CSV API in JavaScript can be applied with ByteScout Cloud API Server. ByteScout Cloud API Server is the ready to deploy Web API Server that can be deployed in less than thirty minutes into your own in-house Windows server (no Internet connnection is required to process data!) or into private cloud server. Can store data on in-house local server based storage or in Amazon AWS S3 bucket. Processing data solely on the server using built-in ByteScout powered engine, no cloud services are used to process your data!.

Use the code displayed below in your application to save a lot of time on writing and testing code. This sample code in JavaScript is all you need. Just copy-paste it to the code editor, then add a reference to ByteScout Cloud API Server and you are ready to try it! You can use these JavaScript sample examples in one or many applications.

Our website provides free trial version of ByteScout Cloud API Server that gives source code samples to assist with your JavaScript project.

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ConvertPdfToCsvFromUploadedFile.js
      
/*jshint esversion: 6 */ // Please NOTE: In this sample we're assuming Cloud Api Server is hosted at "https://localhost". // If it's not then please replace this with with your hosting url. var https = require("https"); var path = require("path"); var fs = require("fs"); // `request` module is required for file upload. // Use "npm install request" command to install. var request = require("request"); // Source PDF file const SourceFile = "./sample.pdf"; // Comma-separated list of page indices (or ranges) to process. Leave empty for all pages. Example: '0,2-5,7-'. const Pages = ""; // PDF document password. Leave empty for unprotected documents. const Password = ""; // Destination CSV file name const DestinationFile = "./result.csv"; // 1. RETRIEVE PRESIGNED URL TO UPLOAD FILE. getPresignedUrl(SourceFile) .then(([uploadUrl, uploadedFileUrl]) => { // 2. UPLOAD THE FILE TO CLOUD. uploadFile(SourceFile, uploadUrl) .then(() => { // 3. CONVERT UPLOADED PDF FILE TO CSV convertPdfToCsv(uploadedFileUrl, Password, Pages, DestinationFile); }) .catch(e => { console.log(e); }); }) .catch(e => { console.log(e); }); function getPresignedUrl(localFile) { return new Promise(resolve => { // Prepare request to `Get Presigned URL` API endpoint let queryPath = `/file/upload/get-presigned-url?name=${path.basename(SourceFile)}`; let reqOptions = { host: "localhost", path: encodeURI(queryPath) }; // Send request https.get(reqOptions, (response) => { response.on("data", (d) => { let data = JSON.parse(d); if (data.error == false) { // Return presigned url we received resolve([data.presignedUrl, data.url]); } else { // Service reported error console.log("getPresignedUrl(): " + data.message); } }); }) .on("error", (e) => { // Request error console.log("getPresignedUrl(): " + e); }); }); } function uploadFile(localFile, uploadUrl) { return new Promise(resolve => { fs.readFile(SourceFile, (err, data) => { request({ method: "PUT", url: uploadUrl, body: data, }, (err, res, body) => { if (!err) { resolve(); } else { console.log("uploadFile() request error: " + e); } }); }); }); } function convertPdfToCsv(uploadedFileUrl, password, pages, destinationFile) { // Prepare request to `PDF To CSV` API endpoint var queryPath = `/pdf/convert/to/csv?name=${path.basename(destinationFile)}&password=${password}&pages=${pages}&url=${uploadedFileUrl}&async=True`; let reqOptions = { host: "localhost", path: encodeURI(queryPath), method: "GET" }; // Send request https.get(reqOptions, (response) => { response.on("data", (d) => { response.setEncoding("utf8"); // Parse JSON response let data = JSON.parse(d); console.log(`Job #${data.jobId} has been created!`); if (data.error == false) { checkIfJobIsCompleted(data.jobId, data.url, destinationFile); } else { // Service reported error console.log("convertPdfToCsv(): " + data.message); } }); }) .on("error", (e) => { // Request error console.log("convertPdfToCsv(): " + e); }); } function checkIfJobIsCompleted(jobId, resultFileUrl, destinationFile) { let queryPath = `/job/check?jobid=${jobId}`; let reqOptions = { host: "localhost", path: encodeURI(queryPath), method: "GET" }; https.get(reqOptions, (response) => { response.on("data", (d) => { response.setEncoding("utf8"); // Parse JSON response let data = JSON.parse(d); console.log(`Checking Job #${jobId}, Status: ${data.status}, Time: ${new Date().toLocaleString()}`); if (data.status == "working") { // Check again after 3 seconds setTimeout(function(){ checkIfJobIsCompleted(jobId, resultFileUrl, destinationFile); }, 3000); } else if (data.status == "success") { // Download CSV file var file = fs.createWriteStream(destinationFile); https.get(resultFileUrl, (response2) => { response2.pipe(file) .on("close", () => { console.log(`Generated CSV file saved as "${destinationFile}" file.`); }); }); } else { console.log(`Operation ended with status: "${data.status}".`); } }) }); }

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60 Day Free Trial or Visit ByteScout Cloud API Server Home Page

Explore ByteScout Cloud API Server Documentation

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