лаб 4

ProjectConfectFactory/ProjectConfectFactory/Entities/Component.cs

@@ -1,10 +1,19 @@
-namespace ProjectConfectFactory.Entities;
+using System.ComponentModel;
+
+namespace ProjectConfectFactory.Entities;
 
 public class Component
 {
     public int Id { get; private set; }
+
+    [DisplayName("Наименование")]
     public string Name { get; private set; } = string.Empty;
+
+    [DisplayName("Единица Измерения")]
     public string Unit { get; private set; } = string.Empty;
+    public string ComponentUnit => $"{Name} в {Unit}";
+
+    [DisplayName("Количество на складе")]
     public decimal Count { get; private set; }
 
     public static Component CreateEntity(int id, string name, string unit, decimal count)

ProjectConfectFactory/ProjectConfectFactory/Entities/Order.cs

@@ -1,14 +1,27 @@
-namespace ProjectConfectFactory.Entities;
+using System.ComponentModel;
+
+namespace ProjectConfectFactory.Entities;
 
 // заказ
 public class Order
 {
     public int Id { get; private set; }
-    public string Name { get; private set; } = string.Empty;
-    public string Phone { get; private set; } = string.Empty;
-    public IEnumerable<OrderProducts> OrderProducts { get; private set;} = [];
+
+    [DisplayName("Время заказа")]
     public DateTime DateTime { get; private set; }
 
+    [DisplayName("Имя заказчика")]
+    public string Name { get; private set; } = string.Empty;
+
+    [DisplayName("Номер телефона")]
+    public string Phone { get; private set; } = string.Empty;
+
+    [DisplayName("Список продуктов")]
+    public string Products => OrderProducts != null ?string.Join(", ", OrderProducts.Select(x => $"{x.ProductName} {x.Count}")) : string.Empty; 
+ 
+    [Browsable(false)]
+    public IEnumerable<OrderProducts> OrderProducts { get; private set;} = [];
+
     public static Order CreateOpeartion(int id, string name, string phone, IEnumerable<OrderProducts> orderProducts)
     {
         return new Order
@@ -33,4 +46,12 @@ public class Order
             DateTime = tempOrderPoducts.DateTime
         };
     }
+
+    public void SetOrderProducts(IEnumerable<OrderProducts> orderProducts)
+    {
+        if (orderProducts != null && orderProducts.Any())
+        {
+            OrderProducts = orderProducts;
+        }
+    }
 }

ProjectConfectFactory/ProjectConfectFactory/Entities/OrderProducts.cs

@@ -5,6 +5,7 @@ public class OrderProducts
 {
     public int Id { get; private set; }
     public int ProductId { get; private set; }
+    public string ProductName { get; private set; } = string.Empty;
     public int Count { get; private set; } 
     public decimal Price { get; private set; }
 

ProjectConfectFactory/ProjectConfectFactory/Entities/Product.cs

@@ -1,14 +1,26 @@
 using ConfectFactory.Entities;
 using ProjectConfectFactory.Entities.Enums;
+using System.ComponentModel;
 
 namespace ProjectConfectFactory.Entities;
 
 public class Product
 {
     public int Id { get; private set; }
+
+    [DisplayName("Наименование")]
     public string Name { get; private set; } = string.Empty;
+
+    [DisplayName("Тип продукта")]
     public ProductType ProductType { get; private set; }
+
+    [DisplayName("Рецепт")]
+    public string Products => Recipe != null ? string.Join(", ", Recipe.Select(x => $"{x.ComponentName} {x.CountComponent}")) : string.Empty;
+
+    [Browsable(false)]
     public IEnumerable<Recipe> Recipe { get; private set; } = [];
+
+    [DisplayName("Цена")]
     public decimal Price { get; private set; }
 
     public static Product CreateEntity(int id, string name, ProductType productType, IEnumerable<Recipe> recipe, decimal price)
@@ -35,4 +47,12 @@ public class Product
             Price = tempRecipe.Price
         };
     }
+
+    public void SetRecipe(IEnumerable<Recipe> recipe)
+    {
+        if (recipe != null && recipe.Any())
+        {
+            Recipe = recipe;
+        }
+    }
 }

ProjectConfectFactory/ProjectConfectFactory/Entities/Purchase.cs

@@ -1,12 +1,29 @@
-namespace ProjectConfectFactory.Entities;
+using System.ComponentModel;
+
+namespace ProjectConfectFactory.Entities;
 
 //Закупка
 public class Purchase
 {
+
     public int Id { get; private set; }
-    public DateTime DateTime { get; private set; }
+    [Browsable(false)]
     public int SellerId { get; private set; }
+
+    [Browsable(false)]
+
     public int ComponentId { get; private set; }
+
+    [DisplayName("Время поставки")]
+    public DateTime DateTime { get; private set; }
+
+    [DisplayName("Поставщик")]
+    public string SellerName { get; private set; } = string.Empty;
+    
+    [DisplayName("Компонент")]
+    public string ComponentName { get; private set; } = string.Empty;
+
+    [DisplayName("Количество")]
     public decimal Count { get; private set; }
     public static Purchase CreateOpeartion(int id, int sellerId, int componentId, decimal count)
     {

ProjectConfectFactory/ProjectConfectFactory/Entities/Recipe.cs

@@ -5,6 +5,7 @@ public class Recipe
 {
     public int Id { get; private set; }
     public int ComponentId { get; private set; }
+    public string ComponentName { get; private set; } = string.Empty;
     public decimal CountComponent { get; private set; }
 
     public static Recipe CreateElement(int id, int componentId, decimal countComponent)

ProjectConfectFactory/ProjectConfectFactory/Entities/Seller.cs

@@ -1,12 +1,20 @@
-using ProjectConfectFactory.Entities.Enums;
+using MigraDoc.DocumentObjectModel;
+using ProjectConfectFactory.Entities.Enums;
+using System.ComponentModel;
 
 namespace ProjectConfectFactory.Entities;
 
 public class Seller
 {
     public int Id { get; private set; }
+
+    [DisplayName("Наименование")]
     public string Name { get; private set; } = string.Empty;
+
+    [DisplayName("Телефонный номер")]
     public string Phone { get; private set; } = string.Empty;
+
+    [DisplayName("Тип доставки")]
     public DeliveryType DeliveryTime { get; private set; }
 
     public static Seller CreateEntity(int id, string name, string phone, DeliveryType deliveryTime)

ProjectConfectFactory/ProjectConfectFactory/Forms/FormComponentReport.cs

@@ -13,7 +13,7 @@ public partial class FormComponentReport : Form
         _container = container ?? throw new ArgumentNullException(nameof(container));
 
         comboBoxComponent.DataSource = componentRepository.ReadComponents();
-        comboBoxComponent.DisplayMember = "Name";
+        comboBoxComponent.DisplayMember = "ComponentUnit";
         comboBoxComponent.ValueMember = "Id";
     }
 

ProjectConfectFactory/ProjectConfectFactory/Forms/FormComponents.cs

@@ -23,6 +23,9 @@ public partial class FormComponents : Form
         try
         {
             LoadList();
+            dataGridViewComponents.Columns["Id"].Visible = false;
+            dataGridViewComponents.Columns["ComponentUnit"].Visible = false;
+
         }
         catch (Exception ex)
         {

ProjectConfectFactory/ProjectConfectFactory/Forms/FormOrders.Designer.cs

@@ -43,7 +43,7 @@
             panel1.Controls.Add(buttonDel);
             panel1.Controls.Add(buttonAdd);
             panel1.Dock = DockStyle.Right;
-            panel1.Location = new Point(657, 0);
+            panel1.Location = new Point(845, 0);
             panel1.Name = "panel1";
             panel1.Size = new Size(143, 450);
             panel1.TabIndex = 1;
@@ -88,14 +88,14 @@
             dataGridViewOrders.RowHeadersVisible = false;
             dataGridViewOrders.RowHeadersWidth = 51;
             dataGridViewOrders.SelectionMode = DataGridViewSelectionMode.FullRowSelect;
-            dataGridViewOrders.Size = new Size(657, 450);
+            dataGridViewOrders.Size = new Size(845, 450);
             dataGridViewOrders.TabIndex = 2;
             // 
             // FormOrders
             // 
             AutoScaleDimensions = new SizeF(8F, 20F);
             AutoScaleMode = AutoScaleMode.Font;
-            ClientSize = new Size(800, 450);
+            ClientSize = new Size(988, 450);
             Controls.Add(dataGridViewOrders);
             Controls.Add(panel1);
             MinimumSize = new Size(818, 497);

ProjectConfectFactory/ProjectConfectFactory/Forms/FormOrders.cs

@@ -23,6 +23,8 @@ public partial class FormOrders : Form
         try
         {
             LoadList();
+            dataGridViewOrders.Columns["Id"].Visible = false;
+            dataGridViewOrders.Columns["DateTime"].DefaultCellStyle.Format = "dd MMMM yyyy hh:mm";
         }
         catch (Exception ex)
         {

ProjectConfectFactory/ProjectConfectFactory/Forms/FormProduct.cs

@@ -21,7 +21,7 @@ public partial class FormProduct : Form
         }
 
         ColumnComponent.DataSource = componentRepository.ReadComponents();
-        ColumnComponent.DisplayMember = "Name";
+        ColumnComponent.DisplayMember = "ComponentUnit";
         ColumnComponent.ValueMember = "Id";
     }
 

ProjectConfectFactory/ProjectConfectFactory/Forms/FormProducts.Designer.cs

@@ -45,7 +45,7 @@
             panel1.Controls.Add(buttonDel);
             panel1.Controls.Add(buttonAdd);
             panel1.Dock = DockStyle.Right;
-            panel1.Location = new Point(780, 0);
+            panel1.Location = new Point(854, 0);
             panel1.Name = "panel1";
             panel1.Size = new Size(143, 450);
             panel1.TabIndex = 2;
@@ -101,14 +101,14 @@
             dataGridViewProducts.RowHeadersVisible = false;
             dataGridViewProducts.RowHeadersWidth = 51;
             dataGridViewProducts.SelectionMode = DataGridViewSelectionMode.FullRowSelect;
-            dataGridViewProducts.Size = new Size(780, 450);
+            dataGridViewProducts.Size = new Size(854, 450);
             dataGridViewProducts.TabIndex = 3;
             // 
             // FormProducts
             // 
             AutoScaleDimensions = new SizeF(8F, 20F);
             AutoScaleMode = AutoScaleMode.Font;
-            ClientSize = new Size(923, 450);
+            ClientSize = new Size(997, 450);
             Controls.Add(dataGridViewProducts);
             Controls.Add(panel1);
             MinimumSize = new Size(941, 497);

ProjectConfectFactory/ProjectConfectFactory/Forms/FormProducts.cs

@@ -23,6 +23,7 @@ public partial class FormProducts : Form
         try
         {
             LoadList();
+            dataGridViewProducts.Columns["Id"].Visible = false;
         }
         catch (Exception ex)
         {

ProjectConfectFactory/ProjectConfectFactory/Forms/FormPurchase.cs

@@ -17,10 +17,9 @@ public partial class FormPurchase : Form
         comboBoxSellerName.DataSource = sellerRepository.ReadSellers();
         comboBoxSellerName.DisplayMember = "Name";
         comboBoxSellerName.ValueMember = "Id";
-        comboBoxComponent.ValueMember = "ComponentId";
 
         comboBoxComponent.DataSource = componentRepository.ReadComponents();
-        comboBoxComponent.DisplayMember = "Name";
+        comboBoxComponent.DisplayMember = "ComponentUnit";
         comboBoxComponent.ValueMember = "Id";
 
     }

ProjectConfectFactory/ProjectConfectFactory/Forms/FormPurchases.Designer.cs

@@ -40,7 +40,7 @@
             panel1.BackColor = Color.Linen;
             panel1.Controls.Add(buttonAdd);
             panel1.Dock = DockStyle.Right;
-            panel1.Location = new Point(657, 0);
+            panel1.Location = new Point(736, 0);
             panel1.Name = "panel1";
             panel1.Size = new Size(143, 450);
             panel1.TabIndex = 2;
@@ -74,14 +74,14 @@
             dataGridViewPurchases.RowHeadersVisible = false;
             dataGridViewPurchases.RowHeadersWidth = 51;
             dataGridViewPurchases.SelectionMode = DataGridViewSelectionMode.FullRowSelect;
-            dataGridViewPurchases.Size = new Size(657, 450);
+            dataGridViewPurchases.Size = new Size(736, 450);
             dataGridViewPurchases.TabIndex = 3;
             // 
             // FormPurchases
             // 
             AutoScaleDimensions = new SizeF(8F, 20F);
             AutoScaleMode = AutoScaleMode.Font;
-            ClientSize = new Size(800, 450);
+            ClientSize = new Size(879, 450);
             Controls.Add(dataGridViewPurchases);
             Controls.Add(panel1);
             MinimumSize = new Size(818, 497);

ProjectConfectFactory/ProjectConfectFactory/Forms/FormPurchases.cs

@@ -23,6 +23,8 @@ public partial class FormPurchases : Form
         try
         {
             LoadList();
+            dataGridViewPurchases.Columns["Id"].Visible = false;
+            dataGridViewPurchases.Columns["DateTime"].DefaultCellStyle.Format = "dd MMMM yyyy hh:mm"; 
         }
         catch (Exception ex)
         {

ProjectConfectFactory/ProjectConfectFactory/Forms/FormSellers.cs

@@ -22,6 +22,7 @@ public partial class FormSellers : Form
         try
         {
             LoadList();
+            dataGridViewSellers.Columns["Id"].Visible = false;
         }
         catch (Exception ex)
         {

ProjectConfectFactory/ProjectConfectFactory/Reports/ChartReport.cs

@@ -22,7 +22,7 @@ internal class ChartReport
         {
             new PdfBuilder(filePath)
              .AddHeader("Заказы")
-             .AddPieChart("Купленные продукты", GetData(dateTime))
+             .AddPieChart($"Купленные продукты на {dateTime:dd MMMM yyyy}", GetData(dateTime))
              .Build();
 
             return true;
@@ -36,15 +36,14 @@ internal class ChartReport
     private List<(string Caption, double Value)> GetData(DateTime dateTime)
     {
         return _orderRepository
-        .ReadOrder()
-        .Where(x => x.DateTime.Date == dateTime.Date)
+        .ReadOrder(dateForm: dateTime.Date, dateTo: dateTime.Date.AddDays(1))
         .SelectMany(x => x.OrderProducts)
-        .GroupBy(x => x.ProductId, (key, group) => new
+        .GroupBy(x => x.ProductName, (key, group) => new
         {
-            ProductId = key,
+            ProductName = key,
             TotalCount = group.Sum(x => x.Count)
         })
-        .Select(x => ($"{x.ProductId}", (double)x.TotalCount))
+        .Select(x => ($"{x.ProductName}", (double)x.TotalCount))
         .ToList();
     }
 }

ProjectConfectFactory/ProjectConfectFactory/Reports/TableReport.cs

@@ -27,7 +27,7 @@ internal class TableReport
         {
             new ExcelBuilder(filePath)
            .AddHeader("Сводка по компонентам и проудктам", 0, 5)
-           .AddParagraph("за период", 0)
+           .AddParagraph($"за период c {startDate: dd.MM.yyyy} по {endDate: dd.MM.yyyy}", 0)
            .AddTable([10, 10, 15, 10, 15], GetData(ComponentId, startDate, endDate))
            .Build();
 
@@ -44,24 +44,22 @@ internal class TableReport
         {
             var data =
                 _purchaseRepository
-            .ReadPurchases()
-            .Where(x => x.DateTime >= startDate && x.DateTime <= endDate && x.ComponentId == componentId)
+            .ReadPurchases(dateForm: startDate, dateTo: endDate, ComponentId: componentId)
             .Select(x => new
             {
-                SellerId = (int?)x.SellerId,
-                Date = (DateTime?)x.DateTime,
+                SellerName = (string?)x.SellerName,
+                Date = x.DateTime,
                 CountIn = (int?)x.Count,
-                ProductId = (int?)null,
+                ProductName = (string?)null,
                 CountOut = (int?)null
             }).Union(
                 _orderRepository
-                .ReadOrder()
-                .Where(x => x.DateTime >= startDate && x.DateTime <= endDate)
+                .ReadOrder(dateForm: startDate, dateTo:endDate)
                 .Select(x => new {
-                     SellerId = (int?)null,
-                     Date = (DateTime?)x.DateTime,
+                    SellerName = (string?)null,
+                     Date = x.DateTime,
                      CountIn = (int?)null,
-                     ProductId = (int?)x.OrderProducts.FirstOrDefault()?.ProductId,
+                     ProductName = (string?)x.OrderProducts.FirstOrDefault()?.ProductName,
                      CountOut = (int?)x.OrderProducts.FirstOrDefault()?.Count
                 }))
                 .OrderBy(x => x.Date);
@@ -69,14 +67,15 @@ internal class TableReport
             return new List<string[]>() { item }
                 .Union(
                     data.Select(x => new string[] {
-                        x.SellerId.ToString(),
-                        x.Date.ToString(),
-                        x.CountIn.ToString(),
-                        x.ProductId.ToString(),
-                        x.CountOut.ToString()
+                        x.SellerName,
+                        x.Date.ToString("dd.MM.yyyy"),
+                        x.CountIn?.ToString("N0") ??  string.Empty,
+                        x.ProductName,
+                        x.CountOut?.ToString("N0") ??  string.Empty
                         }))
+
                 .Union(
-                    [["Всего", "", data.Sum(x => x.CountIn).ToString(), "" ,data.Sum(x=> x.CountOut).ToString()]])
+                    [["Всего", "", data.Sum(x => x.CountIn ?? 0).ToString("N0"), "" ,data.Sum(x=> x.CountOut ?? 0).ToString("N0")]])
                 .ToList();
         }
     }

ProjectConfectFactory/ProjectConfectFactory/Repositories/IPurchaseRepository.cs

@@ -1,16 +1,10 @@
 using ProjectConfectFactory.Entities;
-using System;
-using System.Collections.Generic;
-using System.ComponentModel;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
 
 namespace ProjectConfectFactory.Repositories;
 
 public interface IPurchaseRepository
 {
-    IEnumerable<Purchase> ReadPurchases(DateTime? dateForm = null, DateTime? dateTo = null, int? SellerId = null, int? ComponentId = null, int? Count = null);
+    IEnumerable<Purchase> ReadPurchases(DateTime? dateForm = null, DateTime? dateTo = null, int? SellerId = null, int? ComponentId = null);
 
     void CreatePurchase(Purchase purchase);
 }

ProjectConfectFactory/ProjectConfectFactory/Repositories/Implementations/MyProductRepository.cs

@@ -107,16 +107,39 @@ WHERE p.Id=@id";
         try
         {
             using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
-            var querySelect = @"
-SELECT p.*, pc.ComponentId, pc.CountComponent FROM Products p
-INNER JOIN Recipe pc ON pc.ProductId = p.Id";
-            var products = connection.Query<TempRecipe>(querySelect);
-            _logger.LogDebug("Полученные объекты: {json}",
-            JsonConvert.SerializeObject(products));
-            return products.GroupBy(x => x.Id, y => y,
-                (key, value) => Product.CreateEntity(value.First(),
-                value.Select(z => Recipe.
-                CreateElement(0, z.ComponentId, z.CountComponent)))).ToList();
+            var querySelect = @"SELECT 
+pr.*,
+r.ComponentId, 
+r.CountComponent, 
+c.Name AS ""ComponentName"" 
+FROM Products pr 
+LEFT JOIN recipe r ON r.productId = pr.Id 
+LEFT JOIN components c ON c.Id = r.ComponentId;";
+            var productDict = new Dictionary<int, List<Recipe>>();
+
+            var products = connection.Query<Product,
+                Recipe, Product>(querySelect,
+             (Recipes, product) =>
+             {
+                 if (!productDict.TryGetValue(Recipes.Id, out var r))
+                 {
+                     r = [];
+                     productDict.Add(Recipes.Id, r);
+                 }
+                 r.Add(product);
+                 return Recipes;
+             }, splitOn: "ComponentId", param: new
+             {
+             });
+
+            _logger.LogDebug("Полученные объекты: {json}", JsonConvert.SerializeObject(products));
+
+            return productDict.Select(x =>
+            {
+                var fr = products.First(y => y.Id == x.Key);
+                fr.SetRecipe(x.Value);
+                return fr;
+            }).ToArray();
         }
         catch (Exception ex)
         {

ProjectConfectFactory/ProjectConfectFactory/Repositories/Implementations/OrderRepository.cs

@@ -4,6 +4,7 @@ using Microsoft.Extensions.Logging;
 using Newtonsoft.Json;
 using Npgsql;
 using ProjectConfectFactory.Entities;
+using System.ComponentModel;
 
 namespace ProjectConfectFactory.Repositories.Implementations;
 
@@ -80,18 +81,55 @@ WHERE Id=@id";
         _logger.LogInformation("Получение всех объектов");
         try
         {
+            var builder = new QueryBuilder();
+            if (dateForm.HasValue)
+            {
+                builder.AddCondition("o.DateTime >= @dateForm");
+            }
+            if (dateTo.HasValue)
+            {
+                builder.AddCondition("o.DateTime <= @dateTo");
+            }
+            if (ProductId.HasValue)
+            {
+                builder.AddCondition("o.ProductId = @ProductId");
+            }
+
             using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
-            var querySelect = @" 
-SELECT o.*, orr.ProductId, orr.Count, orr.Price FROM orders o 
-INNER JOIN orderProduct orr ON orr.OrderId = o.Id";
-            var orders =
-connection.Query<TempOrderProducts>(querySelect);
-            _logger.LogDebug("Полученные объекты: {json}",
-         JsonConvert.SerializeObject(orders));
-            return orders.GroupBy(x => x.Id, y => y,
-             (key, value) =>
-         Order.CreateOpeartion(value.First(),
-              value.Select(z => OrderProducts.CreateElement(0, z.ProductId, z.Count,z.Price)))).ToList();
+            var querySelect = $@"SELECT o.*,
+            orr.ProductId, 
+            orr.Count, 
+            p.Name as ""ProductName"" 
+            FROM Orders o 
+INNER JOIN OrderProduct orr ON orr.OrderId = o.Id 
+LEFT JOIN products p on p.Id = orr.ProductId
+{builder.Build()}";
+            var orderDict = new Dictionary<int,List<OrderProducts>>();
+
+            var orders = connection.Query<Order,
+                OrderProducts, Order>(querySelect,
+             (orderProducts, order) =>
+             {
+                if (!orderDict.TryGetValue(orderProducts.Id, out var frr))
+                {
+                    frr = [];
+                    orderDict.Add(orderProducts.Id, frr);
+                }
+                 frr.Add(order);
+                 return orderProducts;}, splitOn: "ProductId", param: new {
+                 dateForm,
+                 dateTo,
+                 ProductId});
+
+            _logger.LogDebug("Полученные объекты: {json}", JsonConvert.SerializeObject(orders));
+
+            return orderDict.Select(x =>
+            {
+                var fr = orders.First(y => y.Id == x.Key);
+                fr.SetOrderProducts(x.Value); 
+                return fr;
+            }).ToArray();
+
         }
         catch (Exception ex)
         {

ProjectConfectFactory/ProjectConfectFactory/Repositories/Implementations/PurchaseRepository.cs

@@ -38,15 +38,40 @@ VALUES (@DateTime, @SellerId, @ComponentId, @Count)";
         }
     }
 
-    public IEnumerable<Purchase> ReadPurchases(DateTime? dateForm = null, DateTime? dateTo = null, int? SellerId = null, int? ComponentId = null, int? Count = null)
+    public IEnumerable<Purchase> ReadPurchases(DateTime? dateForm = null, DateTime? dateTo = null, int? SellerId = null, int? ComponentId = null)
     {
         _logger.LogInformation("Получение всех объектов");
         try
         {
+            var builder = new QueryBuilder();
+            if (dateForm.HasValue)
+            {
+                builder.AddCondition("p.DateTime >= @dateForm");
+            }
+            if (dateTo.HasValue)
+            {
+                builder.AddCondition("p.DateTime <= @dateTo");
+            }
+            if (ComponentId.HasValue)
+            {
+                builder.AddCondition("p.ComponentId = @ComponentId");
+            }
+
             using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
-            var querySelect = "SELECT * FROM Purchases";
+            var querySelect = $@"SELECT p.*,
+s.Name as ""SellerName"",
+c.Name as ""ComponentName""
+FROM Purchases p 
+LEFT JOIN Sellers s on s.Id = p.SellerId 
+LEFT JOIN Components c on c.Id = p.ComponentId
+{builder.Build()}";
             var purchases =
-         connection.Query<Purchase>(querySelect);
+         connection.Query<Purchase>(querySelect, new
+         {
+             dateForm,
+             dateTo,
+             ComponentId
+         });
             _logger.LogDebug("Полученные объекты: {json}",
          JsonConvert.SerializeObject(purchases));
             return purchases;

ProjectConfectFactory/ProjectConfectFactory/Repositories/Implementations/QueryBuilder.cs

@@ -0,0 +1,35 @@
+using System.Text;
+
+namespace ProjectConfectFactory.Repositories.Implementations;
+
+internal class QueryBuilder
+{
+    private readonly StringBuilder _builder;
+
+    public QueryBuilder()
+    {
+        _builder = new();
+    }
+
+    public QueryBuilder AddCondition(string condition)
+    {
+        if (_builder.Length > 0)
+        {
+            _builder.Append(" AND ");
+        }
+
+        _builder.Append(condition);
+
+        return this;
+    }
+
+    public string Build()
+    {
+        if (_builder.Length == 0)
+        {
+            return string.Empty;
+        }
+
+        return $"WHERE {_builder}";
+    }
+}