Japan zipcode

This is a Rails engine for Japanese cities by zipcode.

You can add it to your Gemfile with:

gem 'japan_zipcode'

Then run bundle install

Next, you need to run the generator:

$ rails g japan_zipcode:install

Then run rails db:migrate

Last, fill in cities to the database:

$ rake japan_zipcode_data

JapanCity.get('1510053')
=> #<JapanCity id: 39560, zipcode: "1510053", town: "東京都", city: "渋谷区", prefecture: "代々木", created_at: "2017-02-17 08:46:21", updated_at: "2017-02-17 08:46:21">

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