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Monthly Downloads: 565
Programming language: Elixir
License: MIT License
Tags: Validations    
Latest version: v1.0.0

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README

ExGtin

Build Status contributions welcome Hex.pm [Packagist](LICENSE.md) Maintainability

A GTIN (Global Trade Item Number) & UPC (Universal Price Code) Generation and Validation Library in Elixir under the GS1 specification.

  • GTIN-12 (UPC-A): this is a 12-digit number used primarily in North America
  • GTIN-8 (EAN/UCC-8): this is an 8-digit number used predominately outside of North America
  • GTIN-13 (EAN/UCC-13): this is a 13-digit number used predominately outside of North America
  • GTIN-14 (EAN/UCC-14 or ITF-14): this is a 14-digit number used to identify trade items at various packaging levels

Features

  • Supports GTIN-8, GTIN-12 (UPC-12), GTIN-13 (GLN), GTIN-14, GSIN, SSCC codes
  • Generate GTIN
  • Check GTIN validity
  • Lookup GS1 country prefix

Installation

WARNING 1.0.0 contains breaking changes from 0.4.0

def deps do
  [{:ex_gtin, "~> 1.0.0"}]
end

Usage

  • Check GTIN codes
iex> ExGtin.validate("6291041500213")
{:ok, "GTIN-13"}

iex> ExGtin.validate("6291041500214")
{:error, "Invalid Code"}

ex> ExGtin.validate!("6291041500213")
"GTIN-13"

Pass GTIN numbers in as a String, Number or an Array

iex> number = [6, 2, 9, 1, 0, 4, 1, 5, 0, 0, 2, 1,3]
iex> ExGtin.validate(number)
{:ok, "GTIN-13"}

iex> number = 6_291_041_500_213
iex> ExGtin.validate(number)
{:ok, "GTIN-13"}
  • Generate GTIN codes
iex> ExGtin.generate("629104150021")
{:ok, "6291041500213"}

iex> ExGtin.generate!("629104150021")
"6291041500213"
  • Lookup GS1 Prefix
iex> ExGtin.Validation.find_gs1_prefix_country("53523235")
{:ok, "GS1 Malta"}

Using Strings, Arrays or Numbers

  • String
iex> ExGtin.validate("6291041500213")
{:ok, "GTIN-13"}
  • Array of Integers
iex> ExGtin.validate([6, 2, 9, 1, 0, 4, 1, 5, 0, 0, 2, 1, 3])
{:ok, "GTIN-13"}
  • Integer
iex> ExGtin.validate(6291041500213)
{:ok, "GTIN-13"}

Integers with leading zeros may not process properly

Reference

Documentation can be found at https://hexdocs.pm/ex_gtin on HexDocs.

Tests

Run tests with

mix test

Run test coverage

MIX_ENV=test mix coveralls

Contributing

Please read [CONTRIBUTING.md](CONTRIBUTING.md) for details on our code of conduct, and the process for submitting pull requests to us.

When making pull requests, please be sure to update the [CHANGELOG.md](CHANGELOG.md) with the corresponding changes. Please make sure that all tests pass and that the static analysis checker credo is run.

Run static code analysis

mix credo

Generate Docs

mix docs

Sponsors

This project is sponsored by KickinEspresso

Versioning

We use SemVer for versioning. For the versions available, see the tags on this repository.

Code of Conduct

Please refer to the [Code of Conduct](CODE_OF_CONDUCT.md) for details

Security

Please refer to the [Security](SECURITY.md) for details

License

This project is licensed under the MIT License - see the [LICENSE.md](LICENSE.md) file for details

Publish

mix hex.publish


*Note that all licence references and agreements mentioned in the ExGtin README section above are relevant to that project's source code only.