В принципе нормально

ElectronicsShop/ElectronicsShopBusinessLogic/BusinessLogic/OrderLogic.cs

@@ -1,9 +1,11 @@
-using ElectronicsShopContracts.BindingModels;
+using DocumentFormat.OpenXml.Drawing.Charts;
+using ElectronicsShopContracts.BindingModels;
 using ElectronicsShopContracts.BusinessLogicContracts;
 using ElectronicsShopContracts.SearchModels;
 using ElectronicsShopContracts.StorageContracts;
 using ElectronicsShopContracts.ViewModels;
 using ElectronicsShopDataModels.Enums;
+using ElectronicsShopDataModels.Models;
 using Microsoft.Extensions.Logging;
 
 
@@ -27,6 +29,7 @@ namespace ElectronicsShopBusinessLogic.BusinessLogic
             }
             return true;
         }
+
 		public List<OrderViewModel>? ReadList(OrderSearchModel? model)
         {
             _logger.LogInformation($"ReadList:ID:{model?.ID}");
@@ -46,10 +49,7 @@ namespace ElectronicsShopBusinessLogic.BusinessLogic
             if (string.IsNullOrEmpty((model.ID).ToString())) { 
                 throw new ArgumentNullException("Нет ID заказа", nameof(model.ID));
             }
-            if (model.Sum <= 0) {////byda
+			if (string.IsNullOrEmpty(model.ClientID.ToString())) {
-                throw new ArgumentNullException("Цена зака должна быть больше 0", nameof(model.Sum));
-            }
-			if (model.ClientID < 0) {
 				throw new ArgumentNullException("Некорректный идентификатор у клиента", nameof(model.ClientID));
 			}
 			_logger.LogInformation($"Order. ID:{model.ID}.Sum:{model.Sum}.DateCreate:{model.DateCreate}.ClientID:{model.ClientID}");
@@ -69,5 +69,28 @@ namespace ElectronicsShopBusinessLogic.BusinessLogic
             return element;
         }
 
+		public bool AddProduct(IProductModel product, int count, int orderID) {
+            var _order = ReadElement(new OrderSearchModel { ID = orderID });
+            try {
+				if (_order.ProductList.ContainsKey(product.ID)) {
+					_order.ProductList[product.ID] = (product, count);
+				}
+				else {
+					_order.ProductList.Add(product.ID, (product, count));
+                    _storage.Update(new OrderBindingModel {
+                        ClientID = _order.ClientID,
+                        ProductList = _order.ProductList,
+                        Sum = 5000,
+                        DateCreate = DateTime.Now,
+                        ID = _order.ID,
+                    });
+				}
+			}
+            catch  {
+                _logger.LogWarning("AddProduct. operation is failed");
+                return false;
+            }
+            return true;
+		}
 	}
 }

ElectronicsShop/ElectronicsShopContracts/BusinessLogicContracts/IOrderLogic.cs

@@ -1,9 +1,11 @@
 using ElectronicsShopContracts.BindingModels;
 using ElectronicsShopContracts.SearchModels;
 using ElectronicsShopContracts.ViewModels;
+using ElectronicsShopDataModels.Models;
 using System;
 using System.Collections.Generic;
 using System.Linq;
+using System.Numerics;
 using System.Text;
 using System.Threading.Tasks;
 
@@ -15,5 +17,6 @@ namespace ElectronicsShopContracts.BusinessLogicContracts
         OrderViewModel? ReadElement(OrderSearchModel model);
 
         bool CreateOrder(OrderBindingModel model);
+        bool AddProduct(IProductModel product, int count, int orderID);
     }
 }

ElectronicsShop/ElectronicsShopDataBaseImplement/Implements/OrderStorage.cs

@@ -55,17 +55,24 @@ namespace ElectronicsShopDataBaseImplement.Implements
         }
         public OrderViewModel? GetElement(OrderSearchModel model)
         {
-            if (!model.ID.HasValue)
-            {
-                return null;
-            }
 			using var context = new Database();
+            if (model.ClientID.HasValue) {
+                return context.Orders
+                    .Include(x => x.Payments)
+                    .Include(x => x.Products)
+					.ThenInclude(x => x._product)
+				    .FirstOrDefault(x => (model.ClientID.HasValue && x.ClientID == model.ClientID))?.GetViewModel;
+			}
+			if (model.ID.HasValue)
+            {
 				return context.Orders
 			      .Include(x => x.Payments)
 			      .Include(x => x.Products)
 			      .ThenInclude(x => x._product)
 			      .FirstOrDefault(x => (model.ID.HasValue && x.ID == model.ID))?.GetViewModel;
 			}
+            return null; 
+        }
 
         public List<OrderViewModel> GetFilteredList(OrderSearchModel model)
         {

ElectronicsShop/ElectronicsShopRestAPI/Controllers/EmployeeController.cs

@@ -66,7 +66,7 @@ namespace ElectronicsShopRestAPI.Controllers {
 				_costItem.Create(model);
 			}
 			catch (Exception ex) {
-				_logger.LogError(ex, "Ошибка создания заказа");
+				_logger.LogError(ex, "Ошибка создания статьи");
 				throw;
 			}
 		}

ElectronicsShop/ElectronicsShopRestAPI/Controllers/MainController.cs

@@ -5,6 +5,7 @@ using ElectronicsShopContracts.ViewModels;
 using ElectronicsShopDataBaseImplement.Models;
 using ElectronicsShopDataModels.Models;
 using Microsoft.AspNetCore.Mvc;
+using Newtonsoft.Json;
 
 namespace ElectronicsShopRestAPI.Controllers {
 
@@ -17,13 +18,11 @@ namespace ElectronicsShopRestAPI.Controllers {
         private readonly IOrderLogic _order;
         private readonly IMessageInfoLogic _message;
 
-
         public MainController(ILogger<MainController> logger, IProductLogic product, 
                             IOrderLogic orderLogic) {
              _logger = logger;
             _product = product;
             _order = orderLogic;
-            _ProductList = new Dictionary<int, (IProductModel, int)>();
         }
 
 		[HttpGet]
@@ -79,22 +78,29 @@ namespace ElectronicsShopRestAPI.Controllers {
             }
         }
 
+        [HttpPost]
+        public void CreateOrder(OrderBindingModel model) {
+            try {
+                _order.CreateOrder(model);
+            }
+            catch (Exception ex) {
+                _logger.LogError(ex, "Ошибка создания заказа");
+                throw;
+            }
+        }
 
 		[HttpPost]
-		public void AddProduct(OrderBindingModel model)
+		public void AddProduct(List<string> jslist)
 		{
-			try
+            var product = JsonConvert.DeserializeObject<ProductViewModel>(jslist[0]);
-			{
+            int count = JsonConvert.DeserializeObject<int>(jslist[1]);
-                var order=_order.ReadElement(new OrderSearchModel { ID = model.ID });//возвращает null
+            int orderid = JsonConvert.DeserializeObject<int>(jslist[2]);
-                if (model != null&& order!=null)
+
-                {
+            try {
-					order.ProductList = model.ProductList;
+                _order.AddProduct(product, count, orderid);
-                    order.Sum += model.Sum;
             }
-			}
+            catch (Exception ex) {
-			catch (Exception ex)
+                _logger.LogError(ex, "Ошибка добавления заказа");
-			{
-				_logger.LogError(ex, "Ошибка создания заказа");
                 throw;
             }
 		}

ElectronicsShop/ElectronicsShopRestAPI/ElectronicsShopRestAPI.csproj

@@ -8,6 +8,7 @@
   </PropertyGroup>
 
   <ItemGroup>
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
     <PackageReference Include="Swashbuckle.AspNetCore" Version="6.4.0" />
   </ItemGroup>
 

ElectronicsShop/ElectronicsShopShopClientApp/APIClient.cs

@@ -40,20 +40,18 @@ namespace ElectronicsShopUserApp {
             }
         }
 
-        public static void PostDictRequest<T>(string requstUrl, OrderBindingModel model) {
+        public static void ListPostRequest<T>(string requstUrl, T model, int count, int orderID) {
-            var dict = new Dictionary<string, (string, string)>();
+            var list = new List<string>() {
+                JsonConvert.SerializeObject(model),
+                JsonConvert.SerializeObject(count),
+				JsonConvert.SerializeObject(orderID),
+			};
 
-            foreach (var item in model.ProductList) {
+            var json = JsonConvert.SerializeObject(list);
-                var key = item.Key.ToString();
-                var item1 = JsonConvert.SerializeObject(item.Value.Item1);
-                var item2 = item.Value.Item2.ToString();
-                dict.Add(key, (item1, item2));
-            }
-            var dictjs = JsonConvert.SerializeObject(dict);
 
-            var data = new StringContent(dictjs, Encoding.UTF8, "application/json");
+            var data = new StringContent(json, Encoding.UTF8, "application/json");
 
-            var response = _client.PostAsync(requstUrl, data,);
+			var response = _client.PostAsync(requstUrl, data);
 
 			var result = response.Result.Content.ReadAsStringAsync().Result;
 			if (!response.Result.IsSuccessStatusCode) {

ElectronicsShop/ElectronicsShopShopClientApp/Controllers/HomeController.cs

@@ -100,14 +100,30 @@ namespace ElectronicsShopUserApp.Controllers {
             if (APIClient.Client == null) {
                 return Redirect("~/Home/Enter");
             }
+
+
             return View(APIClient.GetRequset<List<OrderViewModel>>($"api/main/getorders?_clientid={APIClient.Client.ID}"));
         }
 
         [HttpGet]
         public IActionResult CreateOrder() {
-            var view = APIClient.GetRequset<OrderViewModel>($"api/main/getorder?_clientid={APIClient.Client?.ID}") ?? new OrderViewModel {
+            if (APIClient.Client == null) {
-                ProductList = _productList
+                return Redirect("~/Home/Enter");
-			};
+            }
+            APIClient.PostRequest("api/main/createorder", new OrderBindingModel {
+                ClientID = APIClient.Client.ID,
+                DateCreate = DateTime.Now,
+            });
+            return RedirectToAction("OrderView");
+		}
+
+        [HttpGet]
+        public IActionResult OrderView() {
+            if (APIClient.Client == null) {
+                return Redirect("~/Home/Enter");
+            }
+            var view = APIClient.GetRequset<OrderViewModel>($"api/main/getorder?_clientid={APIClient.Client?.ID}");
+
             return View(view);
         }
 
@@ -118,30 +134,12 @@ namespace ElectronicsShopUserApp.Controllers {
         }
 
         [HttpPost] 
-        public void AddProduct(double sum, int product, int count) {
+        public void AddProduct(int product, int count) {
-			if (APIClient.Client == null) {
-				throw new Exception("Òîëüêî äëÿ àâòîðèçîâàíûõ");
-			}
-            if (sum <= 0) {
-				throw new Exception("Ñóììà çàòðàò äîëæíà áûòü áîëüøå 0");
-			}
             var _product = APIClient.GetRequset<ProductViewModel>($"api/main/getproduct?_productid={product}");
-            _product.Price = sum;
+            var _order = APIClient.GetRequset<OrderViewModel>($"api/main/getorder?_clientid={APIClient.Client?.ID}");
 
-            if (_productList.ContainsKey(product)) {
+			APIClient.ListPostRequest($"api/main/addproduct", _product, count, _order.ID);
-                _productList[product] = (_product, count);
+			Response.Redirect("OrderView");
-            }
-            else {
-                _productList.Add(product, (_product, count));
-            }
-
-            APIClient.PostDictRequest<OrderBindingModel>($"api/main/saveorder", new OrderBindingModel {
-                ProductList = _productList,
-                Sum = CalcAll(_productList),
-                ClientID = APIClient.Client.ID,
-            });
-
-			Response.Redirect("CreateOrder");
 		}
 
         [HttpPost]
@@ -157,28 +155,8 @@ namespace ElectronicsShopUserApp.Controllers {
 		[HttpPost]
 		public double Calc(int count, int product)
 		{
-			var prod = APIClient.GetRequset<ProductViewModel>($"api/main/getproduct?_productid={product}");
+			var _product = APIClient.GetRequset<ProductViewModel>($"api/main/getproduct?_productid={product}");
-			return count * (prod?.Price ?? 1);
+			return count * (_product?.Price ?? 1);
-		}
-		[HttpGet]
-		public IActionResult AddProduct()
-		{
-			ViewBag.Products = APIClient.GetRequset<List<ProductViewModel>>("api/main/getproducts");
-			return View();
-		}
-        [HttpPost]
-        public void AddProduct(int count/*, int product*/)
-        {
-            if (APIClient.Client == null)
-            {
-                throw new Exception("Âû êàê ñóäà ïîïàëè? Ñóäà âõîä òîëüêî àâòîðèçîâàííûì");
-            }
-            if (count <= 0)
-            {
-                throw new Exception("Êîëè÷åñòâî è ñóììà äîëæíû áûòü áîëüøå 0");
-            }
-            
-			Response.Redirect("CreateOrder");
 		}
 	}
 }

ElectronicsShop/ElectronicsShopShopClientApp/Views/Home/OrderView.cshtml

@@ -3,7 +3,7 @@
 @model OrderViewModel
 
 @{
-    ViewData["Title"] = "CreateOrder";
+	ViewData["Title"] = "OrderView";
 }
 
 <div class="text-center">
@@ -11,6 +11,12 @@
 </div>
 
 <div class=" text-center">
+		<div class="row">
+			<label class="col-4">Номер корзины:</label>
+			<div class="col-8">
+				<input id="OrderID" class="form-control" type="text" name="OrderID" value="@Model.ID" readonly />
+			</div>
+		</div>
 		<p>
 			<a asp-action="AddProduct">Добавить товар</a>
 		</p>