gtin-lookup

var GTINLookup = require("gtin-lookup");

const apiToken = "abcdef";
var gtinLookup = new GTINLookup(apiToken);

// lookup GTIN, prefer English (1) name
const gtin = "5099750442227";
gtinLookup.gtinLookup(gtin, 1, function(response){
  if (!response.serverError) {
    console.log("gtinLookup()");
    if (response.product != undefined) {
        console.log("GTIN "   gtin   " is "   response.product[0].name   " category: "   response.product[0].categoryName);
    } else {
        console.log("GTIN "   gtin   " not found in database");
    }
  } else {
      console.log('Server error: '   resp.statusCode); 
  }
});

// lookup book data using ISBN-10 or ISBN-13
const isbn = "1119578884";
gtinLookup.isbnLookup(isbn, function(response){
  if (!response.serverError) {
    console.log("isbnLookup()");
    if (response.product != undefined) {
        console.log("ISBN "   isbn   " is "   response.product[0].name);
    } else {
        console.log("ISBN "   isbn   " not found in database");
    }
    } else {
      console.log('Server error: '   resp.statusCode); 
    }
});

// search for product name, prefer English (1)
let name = "Bananaboat";
gtinLookup.gtinSearch(name, 1, function(response){
  if (!response.serverError) {
    console.log("gtinSearch()");
    if (response.product.productlist != undefined) {
      for (let i = 0; i < response.product.productlist.length; i  ) {
        console.log(response.product.productlist[i].ean   " is "   response.product.productlist[i].name);
      }
    } else {
        console.log("Name "   name   " not found in database");
    }
    } else {
      console.log('Server error: '   resp.statusCode); 
    }
});

// search for name, but restrict to Fashion category (20), prefer English (1)
gtinLookup.gtinCategorySearch(name, 20, 1, function(response){
  if (!response.serverError) {
    console.log("gtinCategorySearch()");
    if (response.product.productlist != undefined) {
      for (let i = 0; i < response.product.productlist.length; i  ) {
        console.log("Fashion: "   response.product.productlist[i].ean   " is "   response.product.productlist[i].name);
      }
    } else {
        console.log("Name "   name   " not found in database");
    }
    } else {
      console.log('Server error: '   resp.statusCode); 
    }
});

// find all GTINs starting with "5099750442", prefer English (1), just fetch page 0
gtinLookup.gtinPrefixSearch("5099750442", 1, 0, function(response){
  if (!response.serverError) {
    console.log("gtinPrefixSearch()");
    if (response.product.productlist != undefined) {
      for (let i = 0; i < response.product.productlist.length; i  ) {
        console.log(response.product.productlist[i].ean   " is "   response.product.productlist[i].name);
      }
    } else {
        console.log("Name "   name   " not found in database");
    }
    } else {
      console.log('Server error: '   resp.statusCode); 
    }
});

// lookup the country where a GTIN barcode was registered
gtinLookup.gtinIssuingCountryLookup(gtin, function(response){
  if (!response.serverError) {
    console.log("gtinIssuingCountryLookup()");
      console.log("GTIN "   gtin   " was issued in "   response.product[0].issuingCountry);
  } else {
      console.log('Server error: '   resp.statusCode); 
  }
});

// verify the checksum of a GTIN
gtinLookup.gtinVerifyChecksum(gtin, function(response){
  if (!response.serverError) {
    console.log("gtinVerifyChecksum()");
      console.log("Checksum of GTIN "   gtin   " is "   (response.product[0].valid ? "OK" : "Invalid"));
  } else {
      console.log('Server error: '   resp.statusCode); 
  }
});

// generate a PNG barcode image for a GTIN
gtinLookup.gtinBarcodeImage(gtin, width, height, function(response){
  if (!response.serverError) {
    console.log("gtinBarcode()");
      console.log("Base64 encoded PNG image of GTIN "   gtin   " barcode: "   response.product[0].barcode);
  } else {
      console.log('Server error: '   resp.statusCode); 
  }
});