GasStation/GasStation/Entities/Enums/SupppliersFuelType.cs

@@ -0,0 +1,13 @@
+namespace GasStation.Entities.Enums;
+
+[Flags]
+public enum SupppliersFuelType
+{
+    None = 0, 
+
+    Fuel_92 = 1,  // 0001
+
+    Fuel_95 = 2,  // 0010
+
+    Fuel_diesel = 4 // 
+}// 

GasStation/GasStation/Entities/Suppliers.cs

@@ -3,6 +3,7 @@ using System.Collections.Generic;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
+using GasStation.Entities.Enums;
 
 namespace GasStation.Entities;
 
@@ -12,13 +13,17 @@ public class Supplier
 
     public string Brand { get; private set; } = string.Empty;
 
-    public static Supplier CreateEntity(int id, string brand)
+    public SupppliersFuelType Types { get; private set; }
+
+    public static Supplier CreateEntity(int id, string brand, SupppliersFuelType types)
     {
         return new Supplier
         {
             Id = id,
 
-            Brand = brand ?? string.Empty
+            Brand = brand ?? string.Empty,
+
+            Types = types
         };
     }
 }

GasStation/GasStation/Forms/FormSupplier.Designer.cs

@@ -32,27 +32,29 @@
             textBoxBrand = new TextBox();
             ButtonSave = new Button();
             ButtonCancel = new Button();
+            checkedListBoxFuelTypes = new CheckedListBox();
+            label2 = new Label();
             SuspendLayout();
             // 
             // label1
             // 
             label1.AutoSize = true;
-            label1.Location = new Point(39, 43);
+            label1.Location = new Point(39, 40);
             label1.Name = "label1";
-            label1.Size = new Size(116, 15);
+            label1.Size = new Size(119, 15);
             label1.TabIndex = 0;
-            label1.Text = "Бренд поставщика";
+            label1.Text = "Бренд поставщика:";
             // 
             // textBoxBrand
             // 
-            textBoxBrand.Location = new Point(191, 40);
+            textBoxBrand.Location = new Point(185, 40);
             textBoxBrand.Name = "textBoxBrand";
-            textBoxBrand.Size = new Size(125, 23);
+            textBoxBrand.Size = new Size(169, 23);
             textBoxBrand.TabIndex = 1;
             // 
             // ButtonSave
             // 
-            ButtonSave.Location = new Point(39, 116);
+            ButtonSave.Location = new Point(39, 257);
             ButtonSave.Name = "ButtonSave";
             ButtonSave.Size = new Size(116, 30);
             ButtonSave.TabIndex = 2;
@@ -61,7 +63,7 @@
             // 
             // ButtonCancel
             // 
-            ButtonCancel.Location = new Point(191, 116);
+            ButtonCancel.Location = new Point(187, 257);
             ButtonCancel.Name = "ButtonCancel";
             ButtonCancel.Size = new Size(125, 30);
             ButtonCancel.TabIndex = 3;
@@ -69,16 +71,36 @@
             ButtonCancel.UseVisualStyleBackColor = true;
             ButtonCancel.Click += ButtonCancel_Click;
             // 
-            // FormSuppliers
+            // checkedListBoxFuelTypes
+            // 
+            checkedListBoxFuelTypes.FormattingEnabled = true;
+            checkedListBoxFuelTypes.Location = new Point(185, 69);
+            checkedListBoxFuelTypes.Name = "checkedListBoxFuelTypes";
+            checkedListBoxFuelTypes.RightToLeft = RightToLeft.No;
+            checkedListBoxFuelTypes.Size = new Size(169, 94);
+            checkedListBoxFuelTypes.TabIndex = 4;
+            // 
+            // label2
+            // 
+            label2.AutoSize = true;
+            label2.Location = new Point(39, 93);
+            label2.Name = "label2";
+            label2.Size = new Size(91, 15);
+            label2.TabIndex = 5;
+            label2.Text = "Типы топлива:";
+            // 
+            // FormSupplier
             // 
             AutoScaleDimensions = new SizeF(7F, 15F);
             AutoScaleMode = AutoScaleMode.Font;
-            ClientSize = new Size(366, 189);
+            ClientSize = new Size(366, 335);
+            Controls.Add(label2);
+            Controls.Add(checkedListBoxFuelTypes);
             Controls.Add(ButtonCancel);
             Controls.Add(ButtonSave);
             Controls.Add(textBoxBrand);
             Controls.Add(label1);
-            Name = "FormSuppliers";
+            Name = "FormSupplier";
             StartPosition = FormStartPosition.CenterParent;
             Text = "Поставщики";
             ResumeLayout(false);
@@ -91,5 +113,7 @@
         private TextBox textBoxBrand;
         private Button ButtonSave;
         private Button ButtonCancel;
+        private CheckedListBox checkedListBoxFuelTypes;
+        private Label label2;
     }
 }

GasStation/GasStation/Forms/FormSupplier.cs

@@ -9,6 +9,7 @@ using System.Text;
 using System.Threading.Tasks;
 using System.Windows.Forms;
 using GasStation.Entities;
+using GasStation.Entities.Enums;
 using GasStation.Repositories;
 using GasStation.Repositories.Implementations;
 
@@ -28,18 +29,20 @@ public partial class FormSupplier : Form
             try
             {
                 var supplier = _supplierRepository.ReadSupplierById(value);
-
                 if (supplier == null)
                 {
-
                     throw new InvalidDataException(nameof(supplier));
                 }
-
+                foreach (SupppliersFuelType elem in Enum.GetValues(typeof(SupppliersFuelType)))
+                {
+                    if ((elem & supplier.Types) != 0)
+                    {
+                        checkedListBoxFuelTypes.SetItemChecked(checkedListBoxFuelTypes.Items.IndexOf(elem), true);
+                    }
+                }
                 textBoxBrand.Text = supplier.Brand;
-
                 _supplierlId = value;
             }
-
             catch (Exception ex)
             {
                 MessageBox.Show(ex.Message, "Ошибка при получении данных", MessageBoxButtons.OK, MessageBoxIcon.Error);
@@ -52,6 +55,11 @@ public partial class FormSupplier : Form
     {
         InitializeComponent();
         _supplierRepository = supplierRepository ?? throw new ArgumentNullException(nameof(supplierRepository));
+        foreach (SupppliersFuelType fuelType in Enum.GetValues(typeof(SupppliersFuelType)))
+        {
+            if (fuelType == SupppliersFuelType.None) continue;
+            checkedListBoxFuelTypes.Items.Add(fuelType);
+        }
     }
 
     private void ButtonSave_Click(object sender, EventArgs e)
@@ -64,11 +72,11 @@ public partial class FormSupplier : Form
             }
             if (_supplierlId.HasValue)
             {
-                _supplierRepository.UpdateSupplier(CreateSupplier(_supplierlId.Value));
+                _supplierRepository.UpdateSupplier(CreateEntity(_supplierlId.Value));
             }
             else
             {
-                _supplierRepository.CreateSupplier(CreateSupplier(0));
+                _supplierRepository.CreateSupplier(CreateEntity(0));
             }
             Close();
         }
@@ -79,7 +87,16 @@ public partial class FormSupplier : Form
         }
     }
 
-    private void ButtonCancel_Click (object sender, EventArgs e) => Close();
+    private void ButtonCancel_Click(object sender, EventArgs e) => Close();
+
+    private Supplier CreateEntity(int id)
+    {
+        SupppliersFuelType fuelType = SupppliersFuelType.None;
+        foreach (var elem in checkedListBoxFuelTypes.CheckedItems)
+        {
+            fuelType |= (SupppliersFuelType)elem;
+        }
+        return Supplier.CreateEntity(id, textBoxBrand.Text, fuelType);
+    }
 
-    private Supplier CreateSupplier(int id) => Supplier.CreateEntity(id, textBoxBrand.Text);
 }

GasStation/GasStation/Repositories/Implementations/SupplierRepository.cs

@@ -5,6 +5,7 @@ using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
 using GasStation.Entities;
+using GasStation.Entities.Enums;
 
 namespace GasStation.Repositories.Implementations;
 
@@ -20,7 +21,7 @@ public class SupplierRepository : ISupplierRepository
 
     public Supplier ReadSupplierById(int id)
     {
-        return Supplier.CreateEntity(0, string.Empty);
+        return Supplier.CreateEntity(0, string.Empty, SupppliersFuelType.Fuel_diesel);
     }
 
     public IEnumerable<Supplier> ReadSuppliers()