Cloud API - Barcode Generator API - JavaScript - Generate Barcode (Node.js) - Async API - ByteScout

Cloud API – Barcode Generator API – JavaScript – Generate Barcode (Node.js) – Async API

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Cloud API – Barcode Generator API – JavaScript – Generate Barcode (Node.js) – Async API

GenerateBarcode.js

[javascript]
var https = require(“https”);
var path = require(“path”);
var fs = require(“fs”);

// The authentication key (API Key).
// Get your own by registering at https://app.pdf.co/documentation/api
const API_KEY = “***********************************”;

// Result image file name
const DestinationFile = “./barcode.png”;
// Barcode type. See valid barcode types in the documentation https://app.pdf.co/documentation/api/1.0/barcode/generate.html
const BarcodeType = “Code128”;
// Barcode value
const BarcodeValue = “qweasd123456”;

// Prepare request to `Barcode Generator` API endpoint
var queryPath = `/v1/barcode/generate?name=${path.basename(DestinationFile)}&type=${BarcodeType}&value=${BarcodeValue}&async=True`;
var reqOptions = {
host: “api.pdf.co”,
path: encodeURI(queryPath),
headers: {
“x-api-key”: API_KEY
}
};
// Send request
https.get(reqOptions, (response) => {
response.on(“data”, (d) => {
// Parse JSON response
var data = JSON.parse(d);

if (data.error == false) {
checkIfJobIsCompleted(data.jobId, data.url);
}
else {
// Service reported error
console.log(data.message);
}
});
}).on(“error”, (e) => {
// Request error
console.error(e);
});

function checkIfJobIsCompleted(jobId, resultFileUrl) {
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);
if (data.Status == “InProgress”) {
// Check again after 2 seconds
setTimeout(function(){ checkIfJobIsCompleted(jobId, resultFileUrl);}, 2000);
}
else if (data.Status == “Finished”) {
// Download image file
var file = fs.createWriteStream(DestinationFile);
https.get(resultFileUrl, (response2) => {
response2.pipe(file)
.on(“close”, () => {
console.log(`Generated image file saved as “${DestinationFile}” file.`);
});
});
}
else {
console.log(`Operation ended with status: “${data.Status}”.`);
}
})
});
}

[/javascript]


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