Search by company and first/last name. But: be able to choose if its first/last AND company vs first/last OR company

contact_search.rb

class ContactSearch

  attr_reader :params
  
  def initialize(params)
    @params = params
    @all_filters = params[:all_filters].to_s == "true"
  end
  
  def search
    t = Contact.arel_table
    queries = []
    if params[:company].present?
      queries << t[:company].matches("%#{params[:company]}%").to_sql
    end
    if params[:name].present?
      queries << t[:first_name].matches("%#{params[:name]}%").or(t[:last_name].matches("%#{params[:name]}%")).to_sql
    end
    
    if @all_filters
      sql = queries.join(" AND ")
    else
      sql = queries.join(" OR ")
    end
    @contacts = Contact.where(sql)
  end
end

places.js

App.PlacesController = Ember.Controller.extend({
  allFilters: false,
  nameFilter: "",
  companyFilter: "",

  filteredPlaces: function() {
    var allFilters = this.get('allFilters');
    var nameFilter = this.get('nameFilter');
    var companyFilter = this.get('companyFilter');

    return this.store.find('contact', {"all_filters":allFilters,
                                       "company_name": companyFilter,
                                       "name": nameFilter
                                       });

  }.property('allFilters', 'nameFilter', 'companyFilter'),

});