EET wrapper for Ruby
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EET_CZ Build Status

EET wrapper for Ruby..


Add this line to your application's Gemfile:

gem 'ruby-eet-cz'

And then execute:

$ bundle

Or install it yourself as:

$ gem install ruby-eet-cz


require 'eet_cz'

client = do |c|
  c.endpoint              = EET_CZ::PG_EET_URL # or EET_CZ::PROD_EET_URL
  c.ssl_cert_file         = path_to('EET_CA1_Playground-CZ00000019.p12') # or 'pem' supported
  c.ssl_cert_key_file     = path_to('EET_CA1_Playground-CZ00000019.p12') # or 'pem'
  c.ssl_cert_key_password = 'eet'
  # OR specify:
  #  c.ssl_cert_type         = 'pem' # Defaults to extname from file or 'p12'
  #  c.ssl_cert_string       = 'certificate as String'
  #  c.ssl_cert_key_type     = 'pem' # Defaults to extname from file or 'p12'
  #  c.ssl_cert_key_string   = 'certificate as String'
  c.overovaci_mod         = true # It sends attribute: overeni='true' Or explicitly specify 'false'. `default: true`
  c.debug_logger          ='log/eet.log') # or$stdout) in tests?
  c.dic_popl              = 'CZ00000019' # dic_popl
  c.id_provoz             = '555' # id_provoz
  c.zjednoduseny_rezim    = false # `default: false`

receipt = client.build_receipt(dat_trzby:  Time.current,
                              id_pokl:    '/4432/D12',
                              porad_cis:  '4/541/FR34',
                              celk_trzba: 25.5,
                              zakl_nepodl_dph: '', # Optional
                              zakl_dan1: '', # Optional
                              dan1: '' # Optional
                              #... etc all possible Data attributes. See `EET_CZ::Receipt`

request = client.build_request(receipt, prvni_zaslani: false) # default true

#response = EET_CZ::Request.fake! do # to disable EET call
response = EET_CZ::Request.real! do # request will be sent!

puts JSON.pretty_generate(response.as_json)

Running the script above should print something like:

  "doc": [

  "warnings": [

  "uuid_zpravy": "96041020-2996-406d-a90b-f967336ee738",
  "bkp": "A3DED039-31F4AB57-DDC741E5-8CA28070-624E149C",
  "inner_doc": [
  "fik": "382fbe6d-fa67-413a-88d9-6048dc1bd4c0-ff",
  "test": "true",
  "dat_prij": "2017-03-04T19:01:26+01:00"


After checking out the repo, run bin/setup to install dependencies. Then, run rake spec to run the tests. You can also run bin/console for an interactive prompt that will allow you to experiment.

Use rubocop -a to keep the code as clean as possible.

To install this gem onto your local machine, run bundle exec rake install. To release a new version, update the version number in version.rb, and then run bundle exec rake release, which will create a git tag for the version, push git commits and tags, and push the .gem file to


Sponsored and proudly used by Queens - Czech Republic´s most tasteful sneakers and clothing store.


Bug reports and pull requests are welcome on GitHub at This project is intended to be a safe, welcoming space for collaboration, and contributors are expected to adhere to the Contributor Covenant code of conduct.


The gem is available as open source under the terms of the MIT License.