Bolter

This gem allow you create search form and sorting in you views

Add this line to your application's Gemfile:

gem 'bolter'

And then execute:

$ bundle

Or install it yourself as:

$ gem install bolter

Model:

class Book < ActiveRecord::Base 
  include Bolter::Searchable
  include Bolter::Sortable
  scope :with_author, -> (author) {
    self.where("UPPER(author) like ?",('%'+author+'%').mb_chars.upcase)
  }
end

View:

.search
    = search_form books_path, id: :search do |f|
      = f.label :with_name, Book.human_attribute_name(:name)
      = f.text_field :with_name
      = f.submit 'Search'
.index
    %table
        %tr
            %th= sort_link :author, Book.human_attribute_name(:author)
        - @books.each do |book|
            %tr
                %td= book.author

Controller:

class BooksController < ApplicationController
    def index
        @books = Book.search(params[:search]).sorting(params[:sorting])
    end
end

Using strong_parameters:

class BooksController < ApplicationController
    def index
        @books = Book.search(search_params).sorting(params[:sorting])
    end
private
    def search_params
        params.fetch(:search, {}).permit(:with_user)
    end
end

After checking out the repo, run bin/setup to install dependencies. Then, run bin/console for an interactive prompt that will allow you to experiment.

To install this gem onto your local machine, run bundle exec rake install. To release a new version, update the version number in version.rb, and then run bundle exec rake release to create a git tag for the version, push git commits and tags, and push the .gem file to rubygems.org.

1. Fork it ( https://github.com/jpascal/bolter/fork )
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 a new Pull Request