gistfile1.txt

def index
    @stats = [
      {
        name:    "Roller Coasters ridden",
        value:   Coaster.all.count,
        active:  1
      },
      {
        name:    "Steel",
        value:   Coaster.steel.count,
        active:  1
      },
      {
        name:    "Wood",
        value:   Coaster.wood.count,
        active:  1
      },
      {
        name:    "Theme Parks visited",
        value:   Park.all.count,
        active:  1
      }
    ]

    @total_coasters = Coaster.all.count
    @steel_coasters = Coaster.where("material = ?", 'steel').count
    @wooden_coasters = Coaster.where("material = ?", 'wood').count

    @coasters = Coaster.joins(:park).order('parks.name ASC').by_name_asc.page(params[:page] || 1).per(25)

    if params[:type] == 'powered'
      @coasters = @coasters.where("powered = ?", TRUE).page(params[:page] || 1).per(25)
    else
      @coasters = @coasters.where("material LIKE ?", params[:type]).page(params[:page] || 1).per(25) if params[:type] == 'steel' || params[:type] == 'wood'
    end

    if params[:letters]
      letters = params[:letters]
      if letters == "#"
        conditions = (0..9).to_a.map{ |number| " coaster_sort = '#{number}' " }.join('OR')
      else
        letters = letters.split('-')
        letters = (letters[0]..letters[1]).to_a
        conditions = letters.map{ |letter| " coaster_sort = '#{letter}' " }.join('OR')
      end
      @coasters = Coaster.by_name_asc.where(conditions).page(params[:page] || 1).per(25)
    end

    respond_to do |format|
      format.html

      format.js

      format.csv do
        @coasters = Coaster.scoped(include: [:park, :manufacturer])
        render text: @coasters.to_csv
      end
    end

    Coaster.include_root_in_json = false
  end