SevenBankFxRate

Easier access to the foreign exchange rate data of Seven Bank international money transfer service in Japan, with JPY1.00 as the base currency and unit.

Installation

Add this line to your application's Gemfile:

gem 'seven_bank_fx_rate'

And then execute:

$ bundle install

Or install it yourself as:

$ gem install seven_bank_fx_rate

Usage

• Require the module

  require 'seven_bank_fx_rate'
  

• Get meta information:

  SevenBankFxRate.create_date
  SevenBankFxRate.apply_date
  SevenBankFxRate.apply_time
  SevenBankFxRate.data_count
  

• Get exchange rate with specific country code and currency code:

  # methods:
  SevenBankFxRate.for :xx, :yyy
  SevenBankFxRate.find 'xx', 'yyy'
  SevenBankFxRate.country_xx_currency_yyy
  

examples:

SevenBankFxRate.for :cn, :cny SevenBankFxRate.for 'cn', 'usd' SevenBankFxRate.for :cn, :CNY SevenBankFxRate.for :CN, :usd SevenBankFxRate.find :cn, :cny SevenBankFxRate.find 'cn', 'usd' SevenBankFxRate.country_cn_currency_cny SevenBankFxRate.country_CN_currency_USD

notes:

* xx standards for country code and yyy standards for currency code

* both symbol and string formats can be used for either code

* both country code and currency code are case insensitive

* country code reference: https://en.wikipedia.org/wiki/ISO_3166-1_alpha-2

* currency code reference: https://en.wikipedia.org/wiki/ISO_4217

- Get an array of exchange rate for all available countries and currencies:
```ruby
SevenBankFxRate.all

• Forcibly update latest data: ruby SevenBankFxRate.update!

Development

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.

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 rubygems.org.

Contributing

Bug reports and pull requests are welcome on GitHub at https://github.com/yuan-jiang/seven_bank_fx_rate. This project is intended to be a safe, welcoming space for collaboration, and contributors are expected to adhere to the code of conduct.

License

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

Code of Conduct

Everyone interacting in the SevenBankFxRate project's codebases, issue trackers, chat rooms and mailing lists is expected to follow the code of conduct.