nisevi/dollar_to_euro

Convert dollars to euros.

DollarToEuro

Command line tool to convert a dollar amount to euro.

It keeps a database updated with the latest values for exchange from 1999-01-04 till now.

Getting Started

• In your gemfile gem 'dollar_to_euro'

• Install it with gem install dollar_to_euro

Running the converter

• Options:

  • -h, --help to see the available options;
  • -a, --amount AMOUNT to specify the amount you want to convert;
  • -d, --date DATE to specify the date to pick the exchange rate from that day, default today;
  • --version it will give you the version of the gem you are using;

• Usage:

  • dollar_to_euro --version;
  • dollar_to_euro --help;
  • dollar_to_euro --amount 200;
  • dollar_to_euro --date 2018-02-25 --amount 200;

Dependencies

• MongoDB:
  • You will need to install MongoDB;
  • For starting MongoDB server you may need to run sudo mongod;
  • For starting MongoDB client run mongo;
  • If you face an issue saying /data/db is missing, just create the directory with sudo mkdir -p /data/db;

Tests

• Rspec:

  • bundle exec rspec

• Cucumber:

  • bundle exec cucumber

Updating the database

For updating the database you will find a rake task defined update_dollar_to_euro_database.

This rake task can be called from anywhere, within your rails app or just scheduled with a cron job.

For example if you are using Heroku you could use the Heroku Scheduler for scheduling how oftern you want the database to be updated.