еще правки

SoftwareInstallation/SoftwareInstallationFileImplement/ShopStorage.cs

@@ -6,6 +6,7 @@ using SoftwareInstallationDataModels.Models;
 using System;
 using System.Collections.Generic;
 using System.Linq;
+using System.Numerics;
 using System.Text;
 using System.Threading.Tasks;
 
@@ -73,29 +74,48 @@ namespace SoftwareInstallationFileImplement
 
         public bool SellPackage(IPackageModel model, int quantity)
         {
-            if (source.Shops.Select(x => x.ShopPackages.FirstOrDefault(y => y.Key == model.Id).Value.Item2).Sum() < quantity)
+
+            var package = source.Shops.FirstOrDefault(x => x.Id == model.Id);
+            if (package == null || !CheckCount(model, quantity))
             {
                 return false;
             }
-            foreach (var Shop in source.Shops.Where(x => x.ShopPackages.ContainsKey(model.Id)))
+            foreach (var shop in source.Shops)
             {
-                int QuantityInCurrentShop = Shop.ShopPackages[model.Id].Item2;
-                if (QuantityInCurrentShop <= quantity)
+                var packages = shop.ShopPackages;
+                foreach (var elem in packages.Where(x => x.Value.Item1.Id == package.Id))
                 {
-                    Shop.ShopPackages.Remove(model.Id);
-                    quantity -= QuantityInCurrentShop;
+                    var selling = Math.Min(elem.Value.Item2, quantity);
+                    packages[elem.Value.Item1.Id] = (elem.Value.Item1, elem.Value.Item2 - selling);
+                    quantity -= selling;
+
+                    if (quantity <= 0)
+                    {
+                        break;
                     }
-                else
-                {
-                    Shop.ShopPackages[model.Id] = (Shop.ShopPackages[model.Id].Item1, QuantityInCurrentShop - quantity);
-                    quantity = 0;
                 }
-                if (quantity == 0)
+
+                shop.Update(new ShopBindingModel
                 {
+                    Id = model.Id,
+                    Name = shop.Name,
+                    Address = shop.Address,
+                    DateOpening = shop.DateOpening,
+                    ShopPackages = packages,
+                    PackageMaxCount = shop.PackageMaxCount
+                });
+            }
+            source.SaveShops();
             return true;
+            
         }
-            }
-            return false;
+        public bool CheckCount(IPackageModel model, int quantity)
+        {
+            int store = source.Shops
+                .Select(x => x.ShopPackages
+                    .Select(y => (y.Value.Item1.Id == model.Id ? y.Value.Item2 : 0))
+                .Sum()).Sum();
+            return store >= quantity;
         }
 
         public ShopViewModel? Update(ShopBindingModel model)

SoftwareInstallation/SoftwareInstallationView/FormShop.Designer.cs

@@ -35,13 +35,13 @@
             textBoxAddress = new TextBox();
             openingDatePicker = new DateTimePicker();
             dataGridView = new DataGridView();
-            PackageName = new DataGridViewTextBoxColumn();
-            Price = new DataGridViewTextBoxColumn();
-            Count = new DataGridViewTextBoxColumn();
             buttonSave = new Button();
             buttonCancel = new Button();
             labelNumeric = new Label();
             numericUpDown = new NumericUpDown();
+            Price = new DataGridViewTextBoxColumn();
+            PackageName = new DataGridViewTextBoxColumn();
+            Count = new DataGridViewTextBoxColumn();
             ((System.ComponentModel.ISupportInitialize)dataGridView).BeginInit();
             ((System.ComponentModel.ISupportInitialize)numericUpDown).BeginInit();
             SuspendLayout();
@@ -97,27 +97,12 @@
             // dataGridView
             // 
             dataGridView.ColumnHeadersHeightSizeMode = DataGridViewColumnHeadersHeightSizeMode.AutoSize;
-            dataGridView.Columns.AddRange(new DataGridViewColumn[] { PackageName, Price, Count });
+            dataGridView.Columns.AddRange(new DataGridViewColumn[] { Price, PackageName, Count });
             dataGridView.Location = new Point(12, 128);
             dataGridView.Name = "dataGridView";
             dataGridView.Size = new Size(601, 242);
             dataGridView.TabIndex = 6;
             // 
-            // PackageName
-            // 
-            PackageName.HeaderText = "Изделие";
-            PackageName.Name = "PackageName";
-            // 
-            // Price
-            // 
-            Price.HeaderText = "Цена";
-            Price.Name = "Price";
-            // 
-            // Count
-            // 
-            Count.HeaderText = "Количество";
-            Count.Name = "Count";
-            // 
             // buttonSave
             // 
             buttonSave.Location = new Point(384, 376);
@@ -155,6 +140,21 @@
             numericUpDown.Size = new Size(131, 23);
             numericUpDown.TabIndex = 13;
             // 
+            // Price
+            // 
+            Price.HeaderText = "Номер";
+            Price.Name = "Price";
+            // 
+            // PackageName
+            // 
+            PackageName.HeaderText = "Изделие";
+            PackageName.Name = "PackageName";
+            // 
+            // Count
+            // 
+            Count.HeaderText = "Количество";
+            Count.Name = "Count";
+            // 
             // FormShop
             // 
             AutoScaleDimensions = new SizeF(7F, 15F);
@@ -191,10 +191,10 @@
         private DataGridView dataGridView;
         private Button buttonSave;
         private Button buttonCancel;
-        private DataGridViewTextBoxColumn PackageName;
-        private DataGridViewTextBoxColumn Price;
-        private DataGridViewTextBoxColumn Count;
         private Label labelNumeric;
         private NumericUpDown numericUpDown;
+        private DataGridViewTextBoxColumn PackageName;
+        private DataGridViewTextBoxColumn Count;
+        private DataGridViewTextBoxColumn Price;
     }
 }

SoftwareInstallation/SoftwareInstallationView/FormShop.resx

@@ -117,21 +117,12 @@
   <resheader name="writer">
     <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
   </resheader>
-  <metadata name="PackageName.UserAddedColumn" type="System.Boolean, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089">
-    <value>True</value>
-  </metadata>
   <metadata name="Price.UserAddedColumn" type="System.Boolean, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089">
     <value>True</value>
   </metadata>
-  <metadata name="Count.UserAddedColumn" type="System.Boolean, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089">
-    <value>True</value>
-  </metadata>
   <metadata name="PackageName.UserAddedColumn" type="System.Boolean, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089">
     <value>True</value>
   </metadata>
-  <metadata name="Price.UserAddedColumn" type="System.Boolean, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089">
-    <value>True</value>
-  </metadata>
   <metadata name="Count.UserAddedColumn" type="System.Boolean, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089">
     <value>True</value>
   </metadata>