module Effective::Providers::Paypal

def paypal_postback
  raise('paypal provider is not available') unless EffectiveOrders.paypal?
  @order ||= Effective::Order.where(id: (params[:invoice].to_i rescue 0)).first
  # We do this even if we're not authorized
  EffectiveResources.authorized?(self, :update, @order)
  if @order.present?
    if @order.purchased?
      order_purchased(payment: params, provider: 'paypal', card: params[:payment_type])
    elsif (params[:payment_status] == 'Completed' && params[:custom] == EffectiveOrders.paypal[:secret])
      order_purchased(payment: params, provider: 'paypal', card: params[:payment_type], current_user: current_user)
    else
      order_declined(payment: params, provider: 'paypal', card: params[:payment_type])
    end
  end
  head(:ok)
end