Mongoid::Filterable

Let you add scopes to mongoid document for filters.

Installation

Add this line to your application's Gemfile:

gem 'mongoid-filterable'

And then execute:

$ bundle

Or install it yourself as:

$ gem install mongoid-filterable

Compatibility

Mongoid Filterable supports Mongoid versions 3, 4, 5, 6 and now 7.

Usage

Model

class City
  include Mongoid::Document
  include Mongoid::Filterable

  field :name
  field :people

  filter_by(:name)
  filter_by(:people, ->(value) { where(:people.gt => value) })
  filter_by(:people_range, (lambda do |range_start, range_end|
    where(:people.lte => range_end,
          :people.gte => range_start)
  end))
end

City.create(name: 'city1', people: 100)
City.create(name: 'city2', people: 1000)
City.filtrate({name: 'city'}).count # => 2
City.filtrate({name: 'city1'}).count # => 1
City.filtrate({name: ''}).count # => 0
City.filtrate({people: 500}) # => 1

Operator

You can specify selector operator:

$and (default operator)
$or

City.filtrate({name: 'city1', people: 1000}, '$and').count # => 0
City.filtrate({name: 'city1', people: 1000}, '$or').count # => 1

Range

Searches with more than one param is also available:

City.filtrate(people_range: [500, 1000]).count # => 1

Rails controller

class CitiesController
  def index
    respond_with City.filtrate(filter_params)
  end

  private

  def filter_params
    params.slice(:name, :people)
  end
end

With mongoid-normalize-string gem

class City
  include Mongoid::Document
  include Mongoid::Filterable
  include Mongoid::NormalizeStrings

  field :name
  normalize :name

  filter_by_normalized(:name)
end

City.create(name: 'Cíty1')
City.create(name: 'Cíty2')
City.filtrate({name: 'city1'}).count # => 1

Contributing

Fork it ( http://github.com//mongoid-filterable/fork )
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

mongoid-filterable

Development

Runtime