Добавлена проверка на переполнение магазина изделиями.

BlacksmithWorkshop/BlacksmithWorkshop/FormMain.cs

@@ -212,7 +212,6 @@ namespace BlacksmithWorkshop
             }
         }
 
-
         private void AddManufactureToolStripMenuItem_Click(object sender, EventArgs e)
         {
             var service = Program.ServiceProvider?.GetService(typeof(FormAddManufacture));

BlacksmithWorkshop/BlacksmithWorkshopBusinessLogic/BusinessLogic/ShopLogic.cs

@@ -8,6 +8,7 @@ using Microsoft.Extensions.Logging;
 using System;
 using System.Collections.Generic;
 using System.Linq;
+using System.Numerics;
 using System.Text;
 using System.Threading.Tasks;
 
@@ -78,7 +79,7 @@ namespace BlacksmithWorkshopBusinessLogic.BusinessLogic
             _logger.LogInformation("AddManufacture. ShopName:{ShopName}. Id: {Id}", model?.ShopName, model?.Id);
             var shop = _shopStorage.GetElement(model);
 
-            if (shop == null)
+            if (shop == null || !CheckShopCount(shop, count))
             {
                 _logger.LogWarning("Add Manufacture operation failed");
 
@@ -106,6 +107,24 @@ namespace BlacksmithWorkshopBusinessLogic.BusinessLogic
             return true;
         }
 
+        //проверка на переполнение магазина
+        private bool CheckShopCount(ShopViewModel model, int count)
+        {
+            int _countManufactures = 0;
+
+            foreach (var manufacture in model.Manufactures)
+            {
+                _countManufactures += model.Manufactures[manufacture.Key].Item2;
+            }
+
+            if(_countManufactures + count > model.MaxCountManufactures)
+            {
+                return false;
+            }
+
+            return true;
+        }
+
         public bool Create(ShopBindingModel model)
         {
             CheckModel(model);