Simple API client to fetch exchange rate to PLN for selected currency and date from http://api.nbp.pl
Add this line to your application's Gemfile:
And then execute:
Or install it yourself as:
$ gem install nbppl
# fetch mid rate for specific currency and date Nbppl::Client.new.fetch_mid_rate("EUR", Date.parse("2021-06-01")) # fetch mid rate from closest date in the past Nbppl::Client.new.closest_mid_rate("USD", Date.parse("2021-06-06")) => [3.6931, #<Date: 2021-06-04 ((2459370j,0s,0n),+0s,2299161j)>] # use caching by making multiple calls with same class instance client = Nbppl::Client.new client.fetch_mid_rate(a) client.fetch_mid_rate(a) # no unnecessary api call # or by using Nbppl::Client.current Nbppl::Client.current.fetch_mid_rate(a) Nbppl::Client.current.fetch_mid_rate(a) # no unnecessary api call
After checking out the repo, run
bin/setup to install dependencies. Then, run
rake test 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.
Bug reports and pull requests are welcome on GitHub at https://github.com/meceo/nbppl.
The gem is available as open source under the terms of the MIT License.