Star rating for Mongoid 4 - MongoidRating

Currenty this gem supports only Mongoid 4

Features

• Multiple rating fields per model
• Float rating marks (users can give 4.5 stars)

Installation

Add this line to your application's Gemfile:

gem 'mongoid_rating'

And then execute:

$ bundle

Or install it yourself as:

$ gem install mongoid_rating

Usage

make model rateable:

class Post
  include Mongoid::Document
  rateable :rate
  # needed if you use rails_admin so it would not complain
  accepts_nested_attributes_for :rate_data
end
ps = Post.create()
user = User.create()

rate and unrate:

ps.rate 5, user
ps.unrate, user

Get current rating

ps.rate
=> 5.0 
ps.rate_by(user)
=> 5 

Check if user rated:

ps.rate_by?(user)
=> true 

Scopes:

Post.highest_rate
Post.rate_in(2..5)
Post.rate_in(2..5).first
=> #<Post rate_count: 1, rate_sum: 5.0, rate_average: 5.0> 
Post.rate_in(2..3).first
=> nil 

Posts rated by user:

Post.rate_by(user).first
=> #<Post rate_count: 1, rate_sum: 5.0, rate_average: 5.0> 

Credits

(c) 2013 glebtv, MIT license

Partially based on mongoid-rateable which is Copyright (c) 2011 Peter Savichev (proton), MIT license

Contributing

1. Fork it
2. Create your feature branch (git checkout -b my-new-feature)
3. Commit your changes (git commit -am 'Add some feature')
4. Push to the branch (git push origin my-new-feature)
5. Create new Pull Request