public PacketDiscountController(IServicePackets servicePackets, IServiceExtraProductCategories serviceExtraProductCategories, IServicePacketsExtraProductCategories servicePacketsExtraProductCategories, IServiceDiscounts serviceDiscounts) { _servicePackets = servicePackets; _serviceExtraProductCategories = serviceExtraProductCategories; _servicePacketsExtraProductCategories = servicePacketsExtraProductCategories; _serviceDiscounts = serviceDiscounts; }