Arel::Haversine
Provides haversine formula, implemented with Arel.
Installation
Add this line to your application's Gemfile:
gem 'arel-haversine'
And then execute:
$ bundle
Or install it yourself as:
$ gem install arel-haversine
Usage
require 'arel/haversine'
class Location < ActiveRecord::Base
def self.in_order_of_proximity_to(latitude, longitude)
order(
Arel::Haversine.new(
arel_table[:latitude],
arel_table[:longitude],
latitude,
longitude
)
)
end
end
Contributing
- Fork it
- Create your feature branch (
git checkout -b my-new-feature
) - Commit your changes (
git commit -am 'Add some feature'
) - Push to the branch (
git push origin my-new-feature
) - Create new Pull Request