class Api::DiscountsController < ActionController::API
  def  create
    @invoice = Sale.find(params[:invoice_id])
  end

  #Update sale item - Price | Qty |
  def update
  end

  #destroy - Remove items form invoice
  def destroy
    @sale.remove_item(params[:sale_item_id])
  end

  private
  def set_invoice_params
    @sale = Sale.find(params[:invoice_id])
  end
end