последний (надеюсь) штрих

ComputerShopBusinessLogic/BusinessLogics/ReportImplementerLogic.cs

@@ -0,0 +1,52 @@
+using ComputerShopContracts.BindingModels;
+using ComputerShopContracts.BusinessLogicContracts;
+using ComputerShopContracts.SearchModels;
+using ComputerShopContracts.StorageContracts;
+using ComputerShopContracts.ViewModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ComputerShopBusinessLogic.BusinessLogics
+{
+	public class ReportImplementerLogic : IReportImplementerLogic
+	{
+		private readonly IAssemblyStorage _assemblyStorage;
+		private readonly IRequestStorage _requestStorage;
+		private readonly IOrderStorage _orderStorage;
+
+		public ReportImplementerLogic(IAssemblyStorage assemblyStorage, IRequestStorage requestStorage, IOrderStorage orderStorage)
+		{
+			_assemblyStorage = assemblyStorage;
+			_requestStorage = requestStorage;
+			_orderStorage = orderStorage;
+		}
+		/// <summary>
+		/// Отчёт для doc/xls
+		/// </summary>
+		/// <returns></returns>
+		public List<ReportOrderAssemblyViewModel> GetReportOrdersAssemblies(List<OrderSearchModel> selectedOrders)
+		{
+			return _orderStorage.GetOrdersAssemblies(selectedOrders);
+		}
+		/// <summary>
+		/// Отчёт для почты/страницы
+		/// </summary>
+		/// <returns></returns>
+		public List<ReportOrdersViewModel> GetReportOrdersByDates(UserSearchModel currentUser, ReportBindingModel report)
+		{
+			return _orderStorage.GetOrdersInfoByDates(currentUser, report);
+		}
+
+		public void SaveReportOrderAssembliesToWordFile(ReportBindingModel model)
+		{
+			throw new NotImplementedException();
+		}
+		public void SaveReportOrderAssembliesToExcelFile(ReportBindingModel model)
+		{
+			throw new NotImplementedException();
+		}
+	}
+}

ComputerShopContracts/BindingModels/ReportBindingModel.cs

@@ -0,0 +1,15 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ComputerShopContracts.BindingModels
+{
+	public class ReportBindingModel
+	{
+		public string FileName { get; set; } = string.Empty;
+		public DateTime? DateFrom { get; set; }
+		public DateTime? DateTo { get; set; }
+	}
+}

ComputerShopContracts/BusinessLogicContracts/IReportImplementerLogic.cs

@@ -0,0 +1,29 @@
+using ComputerShopContracts.BindingModels;
+using ComputerShopContracts.SearchModels;
+using ComputerShopContracts.ViewModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ComputerShopContracts.BusinessLogicContracts
+{
+	public interface IReportImplementerLogic
+	{
+		/// <summary>
+		/// Получение отчёта для word/excel
+		/// </summary>
+		/// <returns></returns>
+		List<ReportOrderAssemblyViewModel> GetReportOrdersAssemblies(List<OrderSearchModel> selectedOrders);
+
+		/// <summary>
+		/// Получение отчёта для почты
+		/// </summary>
+		/// <returns></returns>
+		List<ReportOrdersViewModel> GetReportOrdersByDates(UserSearchModel currentUser, ReportBindingModel report);
+		void SaveReportOrderAssembliesToWordFile(ReportBindingModel model);
+
+		void SaveReportOrderAssembliesToExcelFile(ReportBindingModel model);
+	}
+}

ComputerShopContracts/StorageContracts/IOrderStorage.cs

@@ -17,5 +17,8 @@ namespace ComputerShopContracts.StorageContracts
 		OrderViewModel? Insert(OrderBindingModel model);
 		OrderViewModel? Update(OrderBindingModel model);
 		OrderViewModel? Delete(OrderBindingModel model);
+		//получение данных о заказах для отчётов
+		List<ReportOrderAssemblyViewModel> GetOrdersAssemblies(List<OrderSearchModel> model);
+		List<ReportOrdersViewModel> GetOrdersInfoByDates(UserSearchModel currentUser, ReportBindingModel report);
 	}
 }

ComputerShopContracts/ViewModels/ReportOrderAssemblyViewModel.cs

@@ -0,0 +1,22 @@
+using ComputerShopDataModels.Enums;
+using ComputerShopDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ComputerShopContracts.ViewModels
+{
+	public class ReportOrderAssemblyViewModel
+	{
+		public int OrderId { get; set; }
+		public DateTime DateCreateOrder { get; set; }
+		public double OrderSum { get; set; }
+
+		public OrderStatus OrderStatus { get; set; }
+
+		//данные о сборках
+		public List<(string AssemblyName, string AssemblyCategory, double AssemblyPrice)> Assemblies { get; set; }
+	}
+}

ComputerShopContracts/ViewModels/ReportOrdersViewModel.cs

@@ -0,0 +1,23 @@
+using ComputerShopDataModels.Enums;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ComputerShopContracts.ViewModels
+{
+	public class ReportOrdersViewModel
+	{
+		public int OrderId { get; set; }
+		public DateTime DateCreateOrder { get; set; }
+		public double OrderSum { get; set; }
+		public OrderStatus OrderStatus { get; set; }
+
+		//данные заявок
+		public List<(int RequestId, string ClientFIO, DateTime DateRequest)> Requests { get; set; }
+
+		//данные сборок
+		public List<(string AssemblyName, string AssemblyCategory, double AssemblyPrice)> Assemblies { get; set; }
+	}
+}

ComputerShopDatabaseImplement/Implements/OrderStorage.cs

@@ -3,6 +3,7 @@ using ComputerShopContracts.SearchModels;
 using ComputerShopContracts.StorageContracts;
 using ComputerShopContracts.ViewModels;
 using ComputerShopDatabaseImplement.Models;
+using ComputerShopDataModels.Models;
 using Microsoft.EntityFrameworkCore;
 using Microsoft.EntityFrameworkCore.Metadata.Internal;
 using System;
@@ -10,22 +11,17 @@ using System.Collections.Generic;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
+using static Microsoft.EntityFrameworkCore.DbLoggerCategory;
 
 namespace ComputerShopDatabaseImplement.Implements
 {
 	public class OrderStorage : IOrderStorage
 	{
+		//id пользователя учитывается в GetFilteredList
 		public List<OrderViewModel> GetFullList()
 		{
 			using var context = new ComputerShopDatabase();
-			return context.Orders
-				.Include(x => x.Shipments)
-				.ThenInclude(x => x.Shipment)
-				.Include(x => x.Requests)
-				.ThenInclude(x => x.Request)
-				.ToList()
-				.Select(x => x.GetViewModel)
-				.ToList();
+			return context.Orders.Select(x => x.GetViewModel).ToList();
 		}
 
 		//Учитывается id пользователя (везде получение списка только тех записей, что создал сам пользователь)
@@ -37,11 +33,6 @@ namespace ComputerShopDatabaseImplement.Implements
 			{
 				return context.Orders
 					.Where(x => (x.UserId == model.UserId) && (x.DateCreate >= model.DateFrom && x.DateCreate <= model.DateTo))
-					.Include(x => x.Shipments)
-					.ThenInclude(x => x.Shipment)
-					.Include(x => x.Requests)
-					.ThenInclude(x => x.Request)
-					.ToList()
 					.Select(x => x.GetViewModel)
 					.ToList();
 			}
@@ -50,26 +41,61 @@ namespace ComputerShopDatabaseImplement.Implements
 			{
 				return context.Orders
 					.Where(x => (x.UserId == model.UserId) && (x.Status == model.Status))
-					.Include(x => x.Shipments)
-					.ThenInclude(x => x.Shipment)
-					.Include(x => x.Requests)
-					.ThenInclude(x => x.Request)
-					.ToList()
 					.Select(x => x.GetViewModel)
 					.ToList();
 			}
 			//возвращение просто всех заказов пользователя (замена GetFullList) 
 			return context.Orders
 					.Where(x => x.UserId == model.UserId)
-					.Include(x => x.Shipments)
-					.ThenInclude(x => x.Shipment)
-					.Include(x => x.Requests)
-					.ThenInclude(x => x.Request)
-					.ToList()
 					.Select(x => x.GetViewModel)
 					.ToList();
 		}
 
+		//получение данных сборок по выбранным заказам для отчёта (doc/xls)
+		public List<ReportOrderAssemblyViewModel> GetOrdersAssemblies(List<OrderSearchModel> selectedModels)
+		{
+			using var context = new ComputerShopDatabase();
+			//id заказов, которые выбрал пользователь
+			List<int?> id_of_selected_models = selectedModels.Select(x => x.Id).ToList();
+
+			//те заказы из бд, которые выбрал пользователь и имеют сборку
+			return context.Orders.Include(x => x.Requests)
+				.ThenInclude(x => x.Request)
+				.ThenInclude(x => x.Assembly)
+				.Where(x => id_of_selected_models.Contains(x.Id) && x.Requests.Any(r => r.Request.Assembly != null))
+				.ToList()
+				.Select(x => new ReportOrderAssemblyViewModel
+				{
+					OrderId = x.Id,
+					DateCreateOrder = x.DateCreate,
+					OrderSum = x.Sum,
+					OrderStatus = x.Status,
+					Assemblies = x.Requests.Select(r => (r.Request.Assembly.AssemblyName, r.Request.Assembly.Category, r.Request.Assembly.Price)).ToList(),
+				})
+				.ToList();
+		}
+
+		//получение заказов (все, что создал сам пользователь) за период с расшифровкой по заявкам и сборкам для отчёта (почта/страница)
+		public List<ReportOrdersViewModel> GetOrdersInfoByDates(UserSearchModel currentUser, ReportBindingModel report)
+		{
+			using var context = new ComputerShopDatabase();
+			return context.Orders.Include(x => x.Requests)
+				.ThenInclude(x => x.Request)
+				.ThenInclude(x => x.Assembly)
+				.Where(x => x.UserId == currentUser.Id && x.DateCreate >= report.DateFrom && x.DateCreate <= report.DateTo)
+				.ToList()
+				.Select(x => new ReportOrdersViewModel
+				{
+					OrderId = x.Id,
+					DateCreateOrder = x.DateCreate,
+					OrderSum = x.Sum,
+					OrderStatus = x.Status,
+					Requests = x.Requests.Select(r => (r.Request.Id, r.Request.ClientFIO, r.Request.DateRequest)).ToList(),
+					Assemblies = x.Requests.Select(r => (r.Request.Assembly.AssemblyName, r.Request.Assembly.Category, r.Request.Assembly.Price)).ToList(),
+				})
+				.ToList();
+		}
+
 		//Поиск только по id, потому что другие поля не уникальные - нет смысла искать 1 элемент
 		public OrderViewModel? GetElement(OrderSearchModel model)
 		{
@@ -78,12 +104,7 @@ namespace ComputerShopDatabaseImplement.Implements
 				return null;
 			}
 			using var context = new ComputerShopDatabase();
-			return context.Orders
-				.Include(x => x.Shipments)
-				.ThenInclude(x => x.Shipment)
-				.Include(x => x.Requests)
-				.ThenInclude(x => x.Request)
-				.FirstOrDefault(x => x.Id == model.Id)?.GetViewModel;
+			return context.Orders.FirstOrDefault(x => x.Id == model.Id)?.GetViewModel;
 		}
 
 		public OrderViewModel? Insert(OrderBindingModel model)

ComputerShopDatabaseImplement/Implements/RequestStorage.cs

@@ -14,6 +14,7 @@ namespace ComputerShopDatabaseImplement.Implements
 {
 	public class RequestStorage : IRequestStorage
 	{
+		//id пользователя учитывается в GetFilteredList
 		public List<RequestViewModel> GetFullList()
 		{
 			using var context = new ComputerShopDatabase();

ComputerShopDatabaseImplement/Implements/ShipmentStorage.cs

@@ -14,6 +14,7 @@ namespace ComputerShopDatabaseImplement.Implements
 {
 	public class ShipmentStorage : IShipmentStorage
 	{
+		//id пользователя учитывается в GetFilteredList
 		public List<ShipmentViewModel> GetFullList()
 		{
 			using var context = new ComputerShopDatabase();

ComputerShopDatabaseImplement/Models/Order.cs

@@ -64,9 +64,9 @@ namespace ComputerShopDatabaseImplement.Models
 		}
 
 		//отдельный метод изменения стоимости заказа (+ или -) на стоимость сборки внутри заявки (после действий с заявками, кот. привязаны к заказу)
-		public void ChangeSum(double cost_of_assembly, bool justUpdate = false)
+		public void ChangeSum(double price_of_assembly, bool justUpdate = false)
 		{
-			Sum += cost_of_assembly;
+			Sum += price_of_assembly;
 		}
 
 		public OrderViewModel GetViewModel => new()

ComputerShopDatabaseImplement/Models/Request.cs

@@ -95,7 +95,7 @@ namespace ComputerShopDatabaseImplement.Models
 		{
 			var currentRequest = context.Requests.First(x => x.Id == Id);
 			//стоимость сборки, связанной с заявкой (или 0, если заявка не связана со сборкой)
-			double cost_of_assembly = (currentRequest.Assembly.Price != null) ? currentRequest.Assembly.Price : 0;
+			double price_of_assembly = (currentRequest.Assembly.Price != null) ? currentRequest.Assembly.Price : 0;
 	
 			var requestOrders = context.RequestOrders.Where(x => x.RequestId == model.Id).ToList();
 
@@ -108,7 +108,7 @@ namespace ComputerShopDatabaseImplement.Models
 					context.RequestOrders.Remove(delOrder);
 					var order = context.Orders.First(x => x.Id == delOrder.OrderId);
 					//вычитание из стоимости соответствующего заказа стоимость соответствующей сборки 
-					order.ChangeSum(-cost_of_assembly);
+					order.ChangeSum(-price_of_assembly);
 					context.SaveChanges();
 				}
 			}
@@ -123,7 +123,7 @@ namespace ComputerShopDatabaseImplement.Models
 					Order = order
 				});
 				//увеличение стоимости заказа, с которым связываем заявку, на стоимость сборки
-				order.ChangeSum(cost_of_assembly);
+				order.ChangeSum(price_of_assembly);
 				context.SaveChanges();
 			}
 			_requestOrders = null;
@@ -134,7 +134,7 @@ namespace ComputerShopDatabaseImplement.Models
 		public void ConnectAssembly(ComputerShopDatabase context, RequestBindingModel model)
 		{
 			//стоимость старой сборки (или 0, если её не было)
-			double cost_of_old_assembly = (Assembly.Price != null) ? Assembly.Price : 0;
+			double price_of_old_assembly = (Assembly.Price != null) ? Assembly.Price : 0;
 
 			AssemblyId = model.AssemblyId;
 			Assembly = context.Assemblies.First(x => x.Id == model.AssemblyId);
@@ -143,7 +143,7 @@ namespace ComputerShopDatabaseImplement.Models
 			{
 				var connectedOrder = context.Orders.First(x => x.Id == request_order.Key);
 				//вычитание из стоимости заказа старой сборки
-				connectedOrder.ChangeSum(-cost_of_old_assembly);
+				connectedOrder.ChangeSum(-price_of_old_assembly);
 				//прибавление стоимости новой сборки
 				connectedOrder.ChangeSum(Assembly.Price);
 				context.SaveChanges();