Лаб2 сделана

ProjectConfectioneryFactory/ProjectConfectioneryFactory/Entities/Component.cs

@@ -6,7 +6,7 @@ public class Component
     public string Name { get; private set; } = string.Empty;
     public double Price { get; private set; }
     public double Weight { get; private set; }
-     
+
     public static Component CreateEntity(int id, string name, double price, double weight)
     {
         return new Component

ProjectConfectioneryFactory/ProjectConfectioneryFactory/Entities/Order.cs

@@ -1,4 +1,6 @@
-namespace ProjectConfectioneryFactory.Entities;
+using System.ComponentModel;
+
+namespace ProjectConfectioneryFactory.Entities;
 
 public class Order
 {
@@ -6,17 +8,30 @@ public class Order
     public int ClientId { get; private set; }
     public bool Completed { get; private set; }
     public DateTime Date { get; private set; }
+    public string Products => OrderProducts != null ?
+        string.Join(", ", OrderProducts.Select(x => $"{x.ProductName} {x.Count}")) :
+        string.Empty;
+
+    [Browsable(false)]
     public IEnumerable<OrderProduct> OrderProducts { get; private set; } = [];
 
-    public static Order CreateOperation(int id, int clientid, bool completed, IEnumerable<OrderProduct> orderProducts)
+    public static Order CreateOperation(int id, int clientid, bool completed, DateTime date, IEnumerable<OrderProduct> orderProducts)
     {
         return new Order
         {
             Id = id,
             ClientId = clientid,
             Completed = completed,
-            Date = DateTime.Now,
+            Date = date,
             OrderProducts = orderProducts
         };
     }
+
+    public void SetOrderProducts(IEnumerable<OrderProduct> orderProducts)
+    {
+        if (orderProducts != null && orderProducts.Any())
+        {
+            OrderProducts = orderProducts;
+        }
+    }
 }

ProjectConfectioneryFactory/ProjectConfectioneryFactory/Entities/OrderProduct.cs

@@ -4,6 +4,7 @@ public class OrderProduct
 {
     public int OrderId { get; private set; }
     public int ProductId { get; private set; }
+    public string ProductName { get; private set; } = string.Empty;
     public int Count { get; private set; }
 
     public static OrderProduct CreateEntity(int orderid, int productid, int count)

ProjectConfectioneryFactory/ProjectConfectioneryFactory/Entities/Product.cs

@@ -1,4 +1,5 @@
 using ProjectConfectioneryFactory.Entities.Enums;
+using System.ComponentModel;
 
 namespace ProjectConfectioneryFactory.Entities;
 
@@ -8,6 +9,11 @@ public class Product
     public ConfectioneryType ConfectioneryType { get; private set; }
     public string Name { get; private set; } = string.Empty;
     public double Price { get; private set; }
+    public string Components => ProductComponents != null ?
+        string.Join(", ", ProductComponents.Select(x => $"{x.ComponentName} {x.Weight}")) :
+        string.Empty;
+
+    [Browsable(false)]
     public IEnumerable<ProductComponent> ProductComponents { get; private set; } = [];
 
     public static Product CreateEntity(int id, ConfectioneryType сonfectioneryType, string name, double price, IEnumerable<ProductComponent> productComponents)
@@ -21,4 +27,12 @@ public class Product
             ProductComponents = productComponents
         };
     }
+
+    public void SetProductComponents(IEnumerable<ProductComponent> productComponents)
+    {
+        if (productComponents != null && productComponents.Any())
+        {
+            ProductComponents = productComponents;
+        }
+    }
 }

ProjectConfectioneryFactory/ProjectConfectioneryFactory/Entities/ProductComponent.cs

@@ -4,6 +4,7 @@ public class ProductComponent
 {
     public int ProductId { get; private set; }
     public int ComponentId { get; private set; }
+    public string ComponentName { get; private set; } = string.Empty;
     public double Weight { get; private set; }
 
     public static ProductComponent CreateEntity(int productid, int componentid, double weight)

ProjectConfectioneryFactory/ProjectConfectioneryFactory/Entities/Supply.cs

@@ -9,7 +9,7 @@ public class Supply
     public bool Completed { get; private set; }
     public DateTime Date { get; private set; }
 
-    public static Supply CreateOperation(int id, int supplierid, int componentid, double weight, bool completed)
+    public static Supply CreateOperation(int id, int supplierid, int componentid, double weight, bool completed, DateTime date)
     {
         return new Supply
         {
@@ -18,7 +18,7 @@ public class Supply
             ComponentId = componentid,
             Weight = weight,
             Completed = completed,
-            Date = DateTime.Now
+            Date = date
         };
     }
 }

ProjectConfectioneryFactory/ProjectConfectioneryFactory/FormConfectioneryFactory.Designer.cs

@@ -52,7 +52,7 @@
             // 
             // справочникиToolStripMenuItem
             // 
-            справочникиToolStripMenuItem.DropDownItems.AddRange(new ToolStripItem[] { ClientsToolStripMenuItem, ProductsToolStripMenuItem, ComponentsToolStripMenuItem, SuppliersToolStripMenuItem });
+            справочникиToolStripMenuItem.DropDownItems.AddRange(new ToolStripItem[] { ClientsToolStripMenuItem, ComponentsToolStripMenuItem, ProductsToolStripMenuItem, SuppliersToolStripMenuItem });
             справочникиToolStripMenuItem.Name = "справочникиToolStripMenuItem";
             справочникиToolStripMenuItem.Size = new Size(94, 20);
             справочникиToolStripMenuItem.Text = "Справочники";
@@ -95,14 +95,14 @@
             // OrdersToolStripMenuItem
             // 
             OrdersToolStripMenuItem.Name = "OrdersToolStripMenuItem";
-            OrdersToolStripMenuItem.Size = new Size(180, 22);
+            OrdersToolStripMenuItem.Size = new Size(126, 22);
             OrdersToolStripMenuItem.Text = "Заказы";
             OrdersToolStripMenuItem.Click += OrdersToolStripMenuItem_Click;
             // 
             // SupplysToolStripMenuItem
             // 
             SupplysToolStripMenuItem.Name = "SupplysToolStripMenuItem";
-            SupplysToolStripMenuItem.Size = new Size(180, 22);
+            SupplysToolStripMenuItem.Size = new Size(126, 22);
             SupplysToolStripMenuItem.Text = "Поставки";
             SupplysToolStripMenuItem.Click += SupplysToolStripMenuItem_Click;
             // 

ProjectConfectioneryFactory/ProjectConfectioneryFactory/Forms/FormClient.cs

@@ -1,6 +1,5 @@
 using ProjectConfectioneryFactory.Entities;
 using ProjectConfectioneryFactory.Repositories;
-using System.Text.RegularExpressions;
 
 namespace ProjectConfectioneryFactory.Forms
 {

ProjectConfectioneryFactory/ProjectConfectioneryFactory/Forms/FormComponent.cs

@@ -6,9 +6,9 @@ namespace ProjectConfectioneryFactory.Forms
     public partial class FormComponent : Form
     {
         private readonly IComponentRepository _componentRepository;
-        
+
         private int? _componentId;
-        
+
         public int Id
         {
             set
@@ -34,7 +34,7 @@ namespace ProjectConfectioneryFactory.Forms
             InitializeComponent();
             _componentRepository = componentRepository ?? throw new ArgumentNullException(nameof(componentRepository));
         }
-        
+
         private void ButtonSave_Click(object sender, EventArgs e)
         {
             try
@@ -58,9 +58,9 @@ namespace ProjectConfectioneryFactory.Forms
                 MessageBox.Show(ex.Message, "Ошибка при сохранении", MessageBoxButtons.OK, MessageBoxIcon.Error);
             }
         }
-        
+
         private void ButtonCancel_Click(object sender, EventArgs e) => Close();
-        
+
         private Component CreateComponent(int id) => Component.CreateEntity(
                             id,
                             textBoxComponentName.Text,

ProjectConfectioneryFactory/ProjectConfectioneryFactory/Forms/FormOrder.cs

@@ -1,6 +1,5 @@
 using ProjectConfectioneryFactory.Entities;
 using ProjectConfectioneryFactory.Repositories;
-using ProjectConfectioneryFactory.Repositories.Implementations;
 
 namespace ProjectConfectioneryFactory.Forms
 {
@@ -17,14 +16,26 @@ namespace ProjectConfectioneryFactory.Forms
                 try
                 {
                     var order = _orderRepository.ReadOrderById(value);
+
                     if (order == null)
                     {
                         throw new InvalidDataException(nameof(order));
                     }
+
                     checkBoxCompleted.Checked = order.Completed;
+                    dateTimePickerOrderDate.Value = order.Date;
                     _orderId = value;
+
+                    foreach (OrderProduct elem in order.OrderProducts)
+                    {
+                        dataGridViewProducts.Rows.Add(elem.ProductId, elem.Count.ToString());
+                    }
+                }
+                catch (Exception ex)
+                {
+                    MessageBox.Show(ex.Message, "Ошибка при получении данных", MessageBoxButtons.OK, MessageBoxIcon.Error);
+                    return;
                 }
-                catch (Exception ex) { MessageBox.Show(ex.Message, "Ошибка при получении данных", MessageBoxButtons.OK, MessageBoxIcon.Error); return; }
             }
         }
 
@@ -61,15 +72,14 @@ namespace ProjectConfectioneryFactory.Forms
             }
             catch (Exception ex)
             {
-                MessageBox.Show(ex.Message, "Ошибка при сохранении",
+                MessageBox.Show(ex.Message, "Ошибка при сохранении", MessageBoxButtons.OK, MessageBoxIcon.Error);
-                MessageBoxButtons.OK, MessageBoxIcon.Error);
             }
 
         }
 
         private void ButtonCancel_Click(object sender, EventArgs e) => Close();
 
-        private List<OrderProduct>CreateListOrderProductFromDataGrid()
+        private List<OrderProduct> CreateListOrderProductFromDataGrid(int id)
         {
             var list = new List<OrderProduct>();
             foreach (DataGridViewRow row in dataGridViewProducts.Rows)
@@ -79,16 +89,19 @@ namespace ProjectConfectioneryFactory.Forms
                 {
                     continue;
                 }
-                list.Add(OrderProduct.CreateEntity(0,
+                list.Add(OrderProduct.CreateEntity(
+                    id,
                     Convert.ToInt32(row.Cells["ColumnProductName"].Value),
                     Convert.ToInt32(row.Cells["ColumnProductCount"].Value)));
             }
             return list;
         }
 
-        private Order CreateOrder(int id) => Order.CreateOperation(0,
+        private Order CreateOrder(int id) => Order.CreateOperation(
+                        id,
                         (int)comboBoxClient.SelectedValue!,
                         checkBoxCompleted.Checked,
-                        CreateListOrderProductFromDataGrid());
+                        dateTimePickerOrderDate.Value,
+                        CreateListOrderProductFromDataGrid(id));
     }
 }

ProjectConfectioneryFactory/ProjectConfectioneryFactory/Forms/FormProduct.cs

@@ -17,10 +17,12 @@ namespace ProjectConfectioneryFactory.Forms
                 try
                 {
                     var product = _productRepository.ReadProductById(value);
+
                     if (product == null)
                     {
                         throw new InvalidDataException(nameof(product));
                     }
+
                     foreach (ConfectioneryType elem in Enum.GetValues(typeof(ConfectioneryType)))
                     {
                         if ((elem & product.ConfectioneryType) != 0)
@@ -31,6 +33,11 @@ namespace ProjectConfectioneryFactory.Forms
                     textBoxProductName.Text = product.Name;
                     numericUpDownPrice.Value = (decimal)product.Price;
                     _productId = value;
+
+                    foreach (ProductComponent elem in product.ProductComponents)
+                    {
+                        dataGridViewComponents.Rows.Add(elem.ComponentId, elem.Weight.ToString());
+                    }
                 }
                 catch (Exception ex)
                 {
@@ -81,7 +88,7 @@ namespace ProjectConfectioneryFactory.Forms
 
         private void ButtonCancel_Click(object sender, EventArgs e) => Close();
 
-        private List<ProductComponent> CreateListProductComponentFromDataGrid()
+        private List<ProductComponent> CreateListProductComponentFromDataGrid(int id)
         {
             var list = new List<ProductComponent>();
             foreach (DataGridViewRow row in dataGridViewComponents.Rows)
@@ -91,7 +98,8 @@ namespace ProjectConfectioneryFactory.Forms
                 {
                     continue;
                 }
-                list.Add(ProductComponent.CreateEntity(0,
+                list.Add(ProductComponent.CreateEntity(
+                    id,
                     Convert.ToInt32(row.Cells["ColumnComponent"].Value),
                     Convert.ToDouble(row.Cells["ColumnWeight"].Value)));
             }
@@ -110,7 +118,7 @@ namespace ProjectConfectioneryFactory.Forms
                         confectioneryType,
                         textBoxProductName.Text,
                         (double)numericUpDownPrice.Value,
-                        CreateListProductComponentFromDataGrid());
+                        CreateListProductComponentFromDataGrid(id));
         }
     }
 }

ProjectConfectioneryFactory/ProjectConfectioneryFactory/Forms/FormSupply.Designer.cs

@@ -28,7 +28,7 @@
         /// </summary>
         private void InitializeComponent()
         {
-            dateTimePicker1 = new DateTimePicker();
+            dateTimePickerSupplyDate = new DateTimePicker();
             label2 = new Label();
             buttonCancel = new Button();
             buttonSave = new Button();
@@ -43,13 +43,13 @@
             ((System.ComponentModel.ISupportInitialize)numericUpDownWeight).BeginInit();
             SuspendLayout();
             // 
-            // dateTimePicker1
+            // dateTimePickerSupplyDate
             // 
-            dateTimePicker1.Enabled = false;
+            dateTimePickerSupplyDate.Enabled = false;
-            dateTimePicker1.Location = new Point(108, 183);
+            dateTimePickerSupplyDate.Location = new Point(108, 183);
-            dateTimePicker1.Name = "dateTimePicker1";
+            dateTimePickerSupplyDate.Name = "dateTimePickerSupplyDate";
-            dateTimePicker1.Size = new Size(200, 23);
+            dateTimePickerSupplyDate.Size = new Size(200, 23);
-            dateTimePicker1.TabIndex = 32;
+            dateTimePickerSupplyDate.TabIndex = 32;
             // 
             // label2
             // 
@@ -164,7 +164,7 @@
             Controls.Add(label5);
             Controls.Add(comboBoxComponent);
             Controls.Add(label3);
-            Controls.Add(dateTimePicker1);
+            Controls.Add(dateTimePickerSupplyDate);
             Controls.Add(label2);
             Controls.Add(buttonCancel);
             Controls.Add(buttonSave);
@@ -182,7 +182,7 @@
 
         #endregion
 
-        private DateTimePicker dateTimePicker1;
+        private DateTimePicker dateTimePickerSupplyDate;
         private Label label2;
         private Button buttonCancel;
         private Button buttonSave;

ProjectConfectioneryFactory/ProjectConfectioneryFactory/Forms/FormSupply.cs

@@ -22,6 +22,7 @@ namespace ProjectConfectioneryFactory.Forms
                     }
                     numericUpDownWeight.Value = (decimal)supply.Weight;
                     checkBoxCompleted.Checked = supply.Completed;
+                    dateTimePickerSupplyDate.Value = supply.Date;
                     _supplyId = value;
                 }
                 catch (Exception ex) { MessageBox.Show(ex.Message, "Ошибка при получении данных", MessageBoxButtons.OK, MessageBoxIcon.Error); return; }
@@ -73,6 +74,7 @@ namespace ProjectConfectioneryFactory.Forms
                             (int)comboBoxSupplier.SelectedValue!,
                             (int)comboBoxComponent.SelectedValue!,
                             Convert.ToDouble(numericUpDownWeight.Value),
-                            checkBoxCompleted.Checked);
+                            checkBoxCompleted.Checked,
+                            dateTimePickerSupplyDate.Value);
     }
 }

ProjectConfectioneryFactory/ProjectConfectioneryFactory/Program.cs

@@ -1,10 +1,10 @@
-using Unity.Lifetime;
-using Unity;
-using ProjectConfectioneryFactory.Repositories;
-using ProjectConfectioneryFactory.Repositories.Implementations;
 using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.Logging;
+using ProjectConfectioneryFactory.Repositories;
+using ProjectConfectioneryFactory.Repositories.Implementations;
 using Serilog;
+using Unity;
+using Unity.Lifetime;
 using Unity.Microsoft.Logging;
 
 namespace ProjectConfectioneryFactory

ProjectConfectioneryFactory/ProjectConfectioneryFactory/Repositories/Implementations/ClientRepository.cs

@@ -1,8 +1,8 @@
 using Dapper;
 using Microsoft.Extensions.Logging;
 using Newtonsoft.Json;
-using ProjectConfectioneryFactory.Entities;
 using Npgsql;
+using ProjectConfectioneryFactory.Entities;
 
 namespace ProjectConfectioneryFactory.Repositories.Implementations;
 

ProjectConfectioneryFactory/ProjectConfectioneryFactory/Repositories/Implementations/OrderRepository.cs

@@ -66,18 +66,19 @@ public class OrderRepository : IOrderRepository
                     Completed=@Completed,
                     Date=@Date
                 WHERE Id=@Id";
-            var orderId = connection.QueryFirst<int>(queryUpdate, order, transaction);
+            connection.Execute(queryUpdate, order, transaction);
 
-            var querySubUpdate = @"
+            var querySubDelete = @"
-                UPDATE OrderProducts
+                DELETE FROM OrderProducts
-                SET
+                WHERE OrderId=@Id";
-                    OrderId=@OrderId,
+            connection.Execute(querySubDelete, order, transaction);
-                    ProductId=@ProductId,
+
-                    Count=@Count
+            var querySubInsert = @"
-                WHERE Id=@Id";
+                INSERT INTO OrderProducts (OrderId, ProductId, Count)
+                VALUES (@OrderId, @ProductId, @Count)";
             foreach (var elem in order.OrderProducts)
             {
-                connection.Execute(querySubUpdate, new { orderId, elem.ProductId, elem.Count }, transaction);
+                connection.Execute(querySubInsert, elem, transaction);
             }
             transaction.Commit();
 
@@ -115,12 +116,43 @@ public class OrderRepository : IOrderRepository
         {
             using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
             var querySelect = @"
-                SELECT *
+                SELECT
-                FROM Orders
+                    o.*,
-                WHERE Id=@id";
+                    op.OrderId,
-            var order = connection.QueryFirst<Order>(querySelect, new { id });
+                    op.ProductId,
-            _logger.LogDebug("Найденный объект: {json}", JsonConvert.SerializeObject(order));
+                    p.Name AS ProductName,
-            return order;
+                    op.Count
+                FROM Orders o
+                LEFT JOIN OrderProducts op ON op.OrderId = o.id 
+                LEFT JOIN Products p ON p.id = op.productid
+                WHERE o.Id = @Id";
+            
+            var productsDict = new Dictionary<int, List<OrderProduct>>();
+
+            var orders = connection.Query<Order, OrderProduct, Order>(querySelect,
+                (order, orderProduct) =>
+                {
+                    if (!productsDict.TryGetValue(order.Id, out var pc))
+                    {
+                        pc = [];
+                        productsDict.Add(order.Id, pc);
+                    }
+                    pc.Add(orderProduct);
+                    return order;
+                },
+                new { id },
+                splitOn: "ProductId");
+
+            orders = productsDict.Select(x =>
+            {
+                var pc = orders.First(y => y.Id == x.Key);
+                pc.SetOrderProducts(x.Value);
+                return pc;
+            }).ToArray();
+
+            _logger.LogDebug("Найденный объект: {json}", JsonConvert.SerializeObject(orders));
+
+            return orders.First();
         }
         catch (Exception ex)
         {
@@ -135,9 +167,40 @@ public class OrderRepository : IOrderRepository
         try
         {
             using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
-            var querySelect = "SELECT * FROM Orders";
+            var querySelect = @"
-            var orders = connection.Query<Order>(querySelect);
+                SELECT
-            _logger.LogDebug("Полученные объекты: {json}", JsonConvert.SerializeObject(orders));
+                    o.*,
+                    op.OrderId,
+                    op.ProductId,
+                    p.Name AS ProductName,
+                    op.Count
+                FROM Orders o
+                LEFT JOIN OrderProducts op ON op.OrderId = o.id 
+                LEFT JOIN Products p ON p.id = op.productid";
+
+            var productsDict = new Dictionary<int, List<OrderProduct>>();
+
+            var orders = connection.Query<Order, OrderProduct, Order>(querySelect,
+                (order, orderProduct) =>
+                {
+                    if (!productsDict.TryGetValue(order.Id, out var pc))
+                    {
+                        pc = [];
+                        productsDict.Add(order.Id, pc);
+                    }
+                    pc.Add(orderProduct);
+                    return order;
+                }, splitOn: "ProductId");
+
+            orders = productsDict.Select(x =>
+            {
+                var pc = orders.First(y => y.Id == x.Key);
+                pc.SetOrderProducts(x.Value);
+                return pc;
+            }).ToArray();
+
+            _logger.LogDebug("Найденный объект: {json}", JsonConvert.SerializeObject(orders));
+
             return orders;
         }
         catch (Exception ex)

ProjectConfectioneryFactory/ProjectConfectioneryFactory/Repositories/Implementations/ProductRepository.cs

@@ -1,10 +1,8 @@
 using Dapper;
 using Microsoft.Extensions.Logging;
 using Newtonsoft.Json;
-using ProjectConfectioneryFactory.Entities;
-using ProjectConfectioneryFactory.Entities.Enums;
 using Npgsql;
-using System.Transactions;
+using ProjectConfectioneryFactory.Entities;
 
 namespace ProjectConfectioneryFactory.Repositories.Implementations;
 
@@ -68,18 +66,19 @@ public class ProductRepository : IProductRepository
                     Name=@Name,
                     Price=@Price
                 WHERE Id=@Id";
-            var productId = connection.QueryFirst<int>(queryUpdate, product, transaction);
+            connection.Execute(queryUpdate, product, transaction);
-            
+
-            var querySubUpdate = @"
+            var querySubDelete = @"
-                UPDATE ProductComponents
+                DELETE FROM ProductComponents
-                SET
+                WHERE ProductId=@Id";
-                    ProductId=@ProductId,
+            connection.Execute(querySubDelete, product, transaction);
-                    ComponentId=@ComponentId,
+
-                    Weight=@Weight
+            var querySubInsert = @"
-                WHERE Id=@Id";
+                INSERT INTO ProductComponents (ProductId, ComponentId, Weight)
+                VALUES (@ProductId, @ComponentId, @Weight)";
             foreach (var elem in product.ProductComponents)
             {
-                connection.Execute(querySubUpdate, new { productId, elem.ComponentId, elem.Weight }, transaction);
+                connection.Execute(querySubInsert, elem, transaction);
             }
             transaction.Commit();
         }
@@ -115,12 +114,43 @@ public class ProductRepository : IProductRepository
         {
             using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
             var querySelect = @"
-                SELECT *
+                SELECT
-                FROM Products
+                    p.*,
-                WHERE Id=@Id";
+                    pc.ProductId,
-            var product = connection.QueryFirst<Product>(querySelect, new { id });
+                    pc.ComponentId,
-            _logger.LogDebug("Найденный объект: {json}", JsonConvert.SerializeObject(product));
+                    c.Name AS ComponentName,
-            return product;
+                    pc.Weight
+                FROM Products p
+                LEFT JOIN ProductComponents pc ON pc.productid = p.id 
+                LEFT JOIN Components c ON c.id = pc.componentid
+                WHERE p.Id = @Id";
+
+            var componentsDict = new Dictionary<int, List<ProductComponent>>();
+
+            var products = connection.Query<Product, ProductComponent, Product>(querySelect,
+                (product, productComponent) =>
+                {
+                    if (!componentsDict.TryGetValue(product.Id, out var pc))
+                    {
+                        pc = [];
+                        componentsDict.Add(product.Id, pc);
+                    }
+                    pc.Add(productComponent);
+                    return product;
+                },
+                new { id },
+                splitOn: "ProductId");
+
+            products = componentsDict.Select(x =>
+            {
+                var pc = products.First(y => y.Id == x.Key);
+                pc.SetProductComponents(x.Value);
+                return pc;
+            }).ToArray();
+
+            _logger.LogDebug("Найденный объект: {json}", JsonConvert.SerializeObject(products));
+
+            return products.First();
         }
         catch (Exception ex)
         {
@@ -135,9 +165,40 @@ public class ProductRepository : IProductRepository
         try
         {
             using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
-            var querySelect = @"SELECT * FROM Products";
+            var querySelect = @"
-            var products = connection.Query<Product>(querySelect);
+                SELECT
+                    p.*,
+                    pc.ProductId,
+                    pc.ComponentId,
+                    c.Name AS ComponentName,
+                    pc.Weight
+                FROM Products p
+                LEFT JOIN ProductComponents pc ON pc.productid = p.id 
+                LEFT JOIN Components c ON c.id = pc.componentid";
+
+            var componentsDict = new Dictionary<int, List<ProductComponent>>();
+
+            var products = connection.Query<Product, ProductComponent, Product>(querySelect,
+                (product, productComponent) =>
+                {
+                    if (!componentsDict.TryGetValue(product.Id, out var pc))
+                    {
+                        pc = [];
+                        componentsDict.Add(product.Id, pc);
+                    }
+                    pc.Add(productComponent);
+                    return product;
+                }, splitOn: "ProductId");
+
+            products = componentsDict.Select(x =>
+            {
+                var pc = products.First(y => y.Id == x.Key);
+                pc.SetProductComponents(x.Value);
+                return pc;
+            }).ToArray();
+
             _logger.LogDebug("Полученные объекты: {json}", JsonConvert.SerializeObject(products));
+
             return products;
         }
         catch (Exception ex)

ProjectConfectioneryFactory/ProjectConfectioneryFactory/Repositories/Implementations/SupplierRepository.cs

@@ -1,8 +1,8 @@
 using Dapper;
 using Microsoft.Extensions.Logging;
 using Newtonsoft.Json;
-using ProjectConfectioneryFactory.Entities;
 using Npgsql;
+using ProjectConfectioneryFactory.Entities;
 
 namespace ProjectConfectioneryFactory.Repositories.Implementations;
 

ProjectConfectioneryFactory/ProjectConfectioneryFactory/Repositories/Implementations/SupplyRepository.cs

@@ -1,8 +1,8 @@
 using Dapper;
 using Microsoft.Extensions.Logging;
 using Newtonsoft.Json;
-using ProjectConfectioneryFactory.Entities;
 using Npgsql;
+using ProjectConfectioneryFactory.Entities;
 
 namespace ProjectConfectioneryFactory.Repositories.Implementations;