https://github.com/eansearch/go-ean-search

A Go module for EAN, GTIN and ISBN name lookup and validation using the API on https://www.ean-search.org
https://github.com/eansearch/go-ean-search

barcode ean ean13 gtin gtin-codes isbn isbn-13 upc

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A Go module for EAN, GTIN and ISBN name lookup and validation using the API on https://www.ean-search.org

• Host: GitHub
• URL: https://github.com/eansearch/go-ean-search
• Owner: eansearch
• License: mit
• Created: 2021-03-01T15:15:38.000Z (over 3 years ago)
• Default Branch: main
• Last Pushed: 2024-04-18T20:00:37.000Z (7 months ago)
• Last Synced: 2024-08-16T09:44:05.708Z (3 months ago)
• Topics: barcode, ean, ean13, gtin, gtin-codes, isbn, isbn-13, upc
• Language: Go
• Homepage: https://www.ean-search.org/ean-database-api.html
• Size: 26.4 KB
• Stars: 3
• Watchers: 2
• Forks: 2
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

        
# go-ean-search

A Go module for EAN, GTIN and ISBN name lookup and validation using the API on https://www.ean-search.org

```go

package main

import (

	eansearch "github.com/eansearch/go-ean-search"

	"fmt"

)

func printProduct(p eansearch.Product) {

	fmt.Println("EAN:\t", p.Ean)

	fmt.Println("\t Name:", p.Name)

	fmt.Println("\t CategoryID:", p.CategoryID)

	fmt.Println("\t CategoryName:", p.CategoryName)

	fmt.Println("\t IssuingCountry:", p.IssuingCountry)

}

func main() {

	var products []eansearch.Product

	var more bool

	var err error

	var country string

	// get an API token at https://www.ean-search.org/ean-database-api.html

	token := "abcdefg"

	eansearch.SetToken(token)

	products, err = eansearch.BarcodeLookup("5099750442227", eansearch.English)

	if err != nil {

		fmt.Println(err)

	} else if len(products) == 0 {

		fmt.Println("No results found")

	} else {

		printProduct(products[0])

	}

	products, err = eansearch.ISBNLookup("1119578884")

	if err != nil {

		fmt.Println(err)

	} else if len(products) == 0 {

		fmt.Println("No results found")

	} else {

		printProduct(products[0])

	}

	products, more, err = eansearch.ProductSearch("esprit pullover", 0, eansearch.English)

	if err != nil {

		fmt.Println(err)

	} else if len(products) == 0 {

		fmt.Println("No results found")

	} else {

		for _, p := range products {

			printProduct(p)

		}

		if more {

			fmt.Println("More results available")

		}

	}

	products, more, err = eansearch.BarcodePrefixSearch("40620999", 0, eansearch.AnyLanguage)

	if err != nil {

		fmt.Println(err)

	} else if len(products) == 0 {

		fmt.Println("No results found")

	} else {

		for _, p := range products {

			printProduct(p)

		}

		if more {

			fmt.Println("More results available")

		}

	}

	ean := "5099750442227"

	country, err = eansearch.IssuingCountryLookup(ean)

	if err != nil {

		fmt.Println(err)

	} else {

		fmt.Printf("EAN %s was issued in %s\n", ean, country)

	}

        ean = "5099750442228"

        valid, err = eansearch.VerifyChecksum(ean)

        if err != nil {

                fmt.Println(err)

        } else {

                if (valid) {

                        fmt.Printf("EAN %s is VALID\n", ean)

                } else {

                        fmt.Printf("EAN %s is INVALID\n", ean)

                }

        }

        ean = "5099750442227"

        image, err = eansearch.BarcodeImage(ean)

        if err != nil {

                fmt.Println(err)

        } else {

                //fmt.Print("Content-Type: image/png\n\n")

                //fmt.Printf("%s", image)

                _ = image

                fmt.Println("Barcode image received")

        }

}