How to convert CSV to PDF from uploaded file (node for CSV to PDF API in JavaScript using PDF.co Web API

How to convert CSV to PDF from uploaded file (node in JavaScript with easy ByteScout code samples to make CSV to PDF API. Step-by-step tutorial

Sample source codes below will show you how to cope with a difficult task, for example, CSV to PDF API in JavaScript. PDF.co Web API was made to help with CSV to PDF API in JavaScript. PDF.co Web API is the Rest API that provides set of data extraction functions, tools for documents manipulation, splitting and merging of pdf files. Includes built-in OCR, images recognition, can generate and read barcodes from images, scans and pdf.

JavaScript code samples for JavaScript developers help to speed up the application’s code writing when using PDF.co Web API. For implimentation of this functionality, please copy and paste code below into your app using code editor. Then compile and run your app. Enjoy writing a code with ready-to-use sample JavaScript codes to implement CSV to PDF API using PDF.co Web API.

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ConvertCsvToPdfFromUploadedFile.js
      
/*jshint esversion: 6 */ 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"); // The authentication key (API Key). // Get your own by registering at https://app.pdf.co/documentation/api const API_KEY = "***********************************"; // Source CSV file const SourceFile = "./sample.csv"; // Destination PDF file name const DestinationFile = "./result.pdf"; // 1. RETRIEVE PRESIGNED URL TO UPLOAD FILE. getPresignedUrl(API_KEY, SourceFile) .then(([uploadUrl, uploadedFileUrl]) => { // 2. UPLOAD THE FILE TO CLOUD. uploadFile(API_KEY, SourceFile, uploadUrl) .then(() => { // 3. CONVERT UPLOADED CSV FILE TO PDF convertCsvToPdf(API_KEY, uploadedFileUrl, DestinationFile); }) .catch(e => { console.log(e); }); }) .catch(e => { console.log(e); }); function getPresignedUrl(apiKey, localFile) { return new Promise(resolve => { // Prepare request to `Get Presigned URL` API endpoint let queryPath = `/v1/file/upload/get-presigned-url?contenttype=application/octet-stream&name=${path.basename(SourceFile)}`; let reqOptions = { host: "api.pdf.co", path: encodeURI(queryPath), headers: { "x-api-key": API_KEY } }; // Send request https.get(reqOptions, (response) => { response.on("data", (d) => { let data = JSON.parse(d); if (data.error == false) { // Return presigned url we received resolve([data.presignedUrl, data.url]); } else { // Service reported error console.log("getPresignedUrl(): " + data.message); } }); }) .on("error", (e) => { // Request error console.log("getPresignedUrl(): " + e); }); }); } function uploadFile(apiKey, localFile, uploadUrl) { return new Promise(resolve => { fs.readFile(SourceFile, (err, data) => { request({ method: "PUT", url: uploadUrl, body: data, headers: { "Content-Type": "application/octet-stream" } }, (err, res, body) => { if (!err) { resolve(); } else { console.log("uploadFile() request error: " + e); } }); }); }); } function convertCsvToPdf(apiKey, uploadedFileUrl, destinationFile) { // Prepare URL for `CSV To PDF` API call let queryPath = `/v1/pdf/convert/from/csv?name=${path.basename(destinationFile)}&url=${uploadedFileUrl}&async=True`; let reqOptions = { host: "api.pdf.co", path: encodeURI(queryPath), method: "GET", headers: { "x-api-key": API_KEY } }; // Send request https.get(reqOptions, (response) => { response.on("data", (d) => { response.setEncoding("utf8"); // Parse JSON response let data = JSON.parse(d); if (data.error == false) { console.log(`Job #${data.jobId} has been created!`); checkIfJobIsCompleted(data.jobId, data.url, destinationFile); } else { // Service reported error console.log("readBarcodes(): " + data.message); } }); }) .on("error", (e) => { // Request error console.log("readBarcodes(): " + e); }); } function checkIfJobIsCompleted(jobId, resultFileUrl, destinationFile) { let queryPath = `/v1/job/check?jobid=${jobId}`; let reqOptions = { host: "api.pdf.co", path: encodeURI(queryPath), method: "GET", headers: { "x-api-key": API_KEY } }; https.get(reqOptions, (response) => { response.on("data", (d) => { response.setEncoding("utf8"); // Parse JSON response let data = JSON.parse(d); console.log(`Checking Job #${jobId}, Status: ${data.status}, Time: ${new Date().toLocaleString()}`); if (data.status == "working") { // Check again after 3 seconds setTimeout(function () { checkIfJobIsCompleted(jobId, resultFileUrl, destinationFile); }, 3000); } else if (data.status == "success") { // Download PDF file var file = fs.createWriteStream(destinationFile); https.get(resultFileUrl, (response2) => { response2.pipe(file) .on("close", () => { console.log(`Generated PDF file saved as "${destinationFile}" file.`); }); }); } else { console.log(`Operation ended with status: "${data.status}".`); } }) }); }

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