Expenses contracts

ElectronicsShop/ElectronicsShopContracts/BindingModels/ExpensesBindingModel.cs

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+using ElectronicsShopDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ElectronicsShopContracts.BindingModels {
+	public class ExpensesBindingModel : IExpensesModel {
+		public int ClientID { get; set; }
+		public int Sum { get; set; } 
+		public int OrderCount {  get; set; }
+	}
+}

ElectronicsShop/ElectronicsShopContracts/BusinessLogicContracts/IExpensesLogic.cs

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+using ElectronicsShopContracts.BindingModels;
+using ElectronicsShopContracts.ViewModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ElectronicsShopContracts.BusinessLogicContracts {
+	public interface IExpensesLogic {
+		ExpensesViewModel? ReadElement(ExpensesBindingModel model);
+		ExpensesViewModel? Create(ExpensesBindingModel model);
+	}
+}

ElectronicsShop/ElectronicsShopContracts/SearchModels/ExpensesSearchModel.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ElectronicsShopContracts.SearchModels {
+	public class ExpensesSearchModel {
+		public int ClientID { get; set; }
+	}
+}

ElectronicsShop/ElectronicsShopContracts/StorageContracts/IExpensesStorage.cs

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+using ElectronicsShopContracts.BindingModels;
+using ElectronicsShopContracts.SearchModels;
+using ElectronicsShopContracts.ViewModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ElectronicsShopContracts.StorageContracts {
+	public interface IExpensesStorage {
+		ExpensesViewModel? GetElement(ExpensesSearchModel model);
+
+		ExpensesViewModel Create(ExpensesBindingModel model);
+	}
+}

ElectronicsShop/ElectronicsShopContracts/ViewModels/ExpensesViewModel.cs

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+using ElectronicsShopDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ElectronicsShopContracts.ViewModels {
+	public class ExpensesViewModel : IExpensesModel {
+
+		[DisplayName("Клиента ID")]
+		public int ClientID { get; set; }
+
+		[DisplayName("Сумма всех заказов")]
+		public int Sum { get; set; }
+
+		[DisplayName("Заказов всего")]
+		public int OrderCount { get; set; }
+	}
+}

ElectronicsShop/ElectronicsShopDataModels/Models/IExpensesModel.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ElectronicsShopDataModels.Models {
+	public interface IExpensesModel {
+		int ClientID { get; }
+		int Sum { get; }
+		int OrderCount { get; }
+	}
+}