using ComputerHardwareStoreContracts.BindingModels; using ComputerHardwareStoreContracts.SearchModels; using ComputerHardwareStoreContracts.ViewModels; namespace ComputerHardwareStoreContracts.BusinessLogicsContracts { public interface IPurchaseLogic { List? ReadList(PurchaseSearchModel? model); PurchaseViewModel? ReadElement(PurchaseSearchModel model); bool Create(PurchaseBindingModel model); bool Update(PurchaseBindingModel model); bool Delete(PurchaseBindingModel model); } }