search_controller.rb

class SearchController < ApplicationController
  def index
    case params[:show]
    when 'people'
      search_scope = [User]
    when 'projects'
      search_scope = [Project]
    else
      search_scope = [User, Project]
    end

    query = params[:q]
    page = params[:page] || 1
    sort = params[:sort]

    search = Sunspot.search(*search_scope) do |s|
      s.keywords params[:q]
      s.paginate :page => params[:page]
      case params[:sort]
      when 'alpha'
        Rails.logger.info '~~ sort by name'
        s.order_by :name
      when 'joined'
        s.order_by :created_at, :desc if params[:show] == 'people'
      when 'industry'
        s.order_by :industry if params[:show] == 'projects'
      when 'commitments'
        s.order_by :commitments, :desc if params[:show] == 'projects'
      when 'followers'
        s.order_by :followers, :desc if params[:show] == 'people'
      when 'entrepreneur'
        if params[:show] == 'people'
          s.with :entrepreneur, true
          s.order_by :projects, :desc
        end
      end

      (params[:filter].is_a?(Hash) ? params[:filter] : {}).each_pair do |key, val|
        case key
        when 'industry'
          s.with :industries, val
        end
      end
    end
    @results = search.execute.results
  end
end