Merge branch 'Lab2_Base' into Lab2_Hard

ConfectionaryBusinessLogic/OrderLogic.cs

@@ -12,10 +12,14 @@ namespace ConfectioneryBusinessLogic.BusinessLogics
     {
         private readonly ILogger _logger;
         private readonly IOrderStorage _orderStorage;
+        private readonly IPastryStorage _pastryStorage;
+        private readonly IShopLogic _shopLogic;
 
-        public OrderLogic(ILogger<OrderLogic> logger, IOrderStorage orderStorage)
+        public OrderLogic(ILogger<OrderLogic> logger, IOrderStorage orderStorage, IPastryStorage pastryStorage, IShopLogic shopLogic)
         {
             _logger = logger;
+            _shopLogic = shopLogic;
+            _pastryStorage = pastryStorage;
             _orderStorage = orderStorage;
         }
 
@@ -96,6 +100,15 @@ namespace ConfectioneryBusinessLogic.BusinessLogics
                     $"Доступный статус: {(OrderStatus)((int)vmodel.Status + 1)}", 
                     nameof(vmodel));
             }
+            if (orderStatus == OrderStatus.Готов)
+            {
+                var vpastry = _pastryStorage.GetElement(new() { Id = vmodel.PastryId });
+
+                if (vpastry == null || !_shopLogic.AddPastriesInShops(vpastry, vmodel.Count)) 
+                {
+                    throw new Exception($"Не удалось заполнить магазины изделием '{vpastry?.PastryName ?? string.Empty}' из заказа {vmodel.Id}");
+                }
+            }
             model.Status = orderStatus;
             model.DateCreate = vmodel.DateCreate;
             if (model.DateImplement == null)

ConfectionaryBusinessLogic/ShopLogic.cs

@@ -0,0 +1,211 @@
+using ConfectioneryBusinessLogic.BusinessLogics;
+using ConfectioneryContracts.BindingModels;
+using ConfectioneryContracts.BusinessLogicsContracts;
+using ConfectioneryContracts.SearchModels;
+using ConfectioneryContracts.StoragesContract;
+using ConfectioneryContracts.ViewModels;
+using ConfectioneryDataModels.Models;
+using Microsoft.Extensions.Logging;
+
+namespace ConfectioneryBusinessLogic
+{
+    public class ShopLogic : IShopLogic
+    { 
+        private readonly ILogger _logger;
+        private readonly IShopStorage _shopStorage;
+        public ShopLogic(ILogger<ShopLogic> logger, IShopStorage shopStorage)
+        {
+            _logger = logger;
+            _shopStorage = shopStorage;
+        }
+        public List<ShopViewModel>? ReadList(ShopSearchModel? model)
+        {
+            _logger.LogInformation("ReadList. ShopName:{ShopName}.Id:{ Id} ",
+                model?.Name, model?.Id);
+            var list = (model == null) ? _shopStorage.GetFullList() :
+            _shopStorage.GetFilteredList(model);
+            if (list == null)
+            {
+                _logger.LogWarning("ReadList return null list");
+                return null;
+            }
+            _logger.LogInformation("ReadList. Count:{Count}", list.Count);
+            return list;
+        }
+        public ShopViewModel? ReadElement(ShopSearchModel model)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+            _logger.LogInformation("ReadElement. ShopName:{ShopName}.Id:{ Id}",
+                model.Name, model.Id);
+            var element = _shopStorage.GetElement(model);
+            if (element == null)
+            {
+                _logger.LogWarning("ReadElement element not found");
+                return null;
+            }
+            _logger.LogInformation("ReadElement find. Id:{Id}", element.Id);
+            return element;
+        }
+        public bool Create(ShopBindingModel model)
+        {
+            CheckModel(model);
+            model.Pastries = new();
+            if (_shopStorage.Insert(model) == null)
+            {
+                _logger.LogWarning("Insert operation failed");
+                return false;
+            }
+            return true;
+        }
+        public bool Update(ShopBindingModel model)
+        {
+            CheckModel(model, false);
+            if (string.IsNullOrEmpty(model.Name))
+            {
+                throw new ArgumentNullException("Нет названия магазина",
+                nameof(model.Name));
+            }
+            if (_shopStorage.Update(model) == null)
+            {
+                _logger.LogWarning("Update operation failed");
+                return false;
+            }
+            return true;
+        }
+        public bool Delete(ShopBindingModel model)
+        {
+            CheckModel(model, false);
+            _logger.LogInformation("Delete. Id:{Id}", model.Id);
+            if (_shopStorage.Delete(model) == null)
+            {
+                _logger.LogWarning("Delete operation failed");
+                return false;
+            }
+            return true;
+        }
+        private void CheckModel(ShopBindingModel model, bool withParams = true)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+            if (!withParams)
+            {
+                return;
+            }
+            if (string.IsNullOrEmpty(model.Name))
+            {
+                throw new ArgumentNullException("Нет названия магазина",
+                nameof(model.Name));
+            }
+            if (model.MaxCountPastries < 0)
+            {
+                throw new ArgumentException(
+                    "Максимальное количество изделий в магазине не должно быть отрицательным",
+                    nameof(model.MaxCountPastries));
+            }
+
+            _logger.LogInformation("Shop. ShopName:{0}.Address:{1}. Id: {2}",
+                model.Name, model.Address, model.Id);
+            var element = _shopStorage.GetElement(new ShopSearchModel
+            {
+                Name = model.Name
+            });
+            if (element != null && element.Id != model.Id && element.Name == model.Name)
+            {
+                throw new InvalidOperationException("Магазин с таким названием уже есть");
+            }
+        }
+
+        public bool AddPastry(ShopSearchModel model, IPastryModel pastry, int count)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+            if (count <= 0)
+            {
+                throw new ArgumentException("Количество добавляемого изделия должно быть больше 0", nameof(count));
+            }
+            _logger.LogInformation("AddPastryInShop. ShopName:{ShopName}.Id:{ Id}",
+                model.Name, model.Id);
+            var element = _shopStorage.GetElement(model);
+            if (element == null)
+            {
+                _logger.LogWarning("AddPastryInShop element not found");
+                return false;
+            }
+            _logger.LogInformation("AddPastryInShop find. Id:{Id}", element.Id);
+
+
+            var prevCount = element.Pastries.GetValueOrDefault(pastry.Id, (pastry, 0)).Item2;
+            element.Pastries[pastry.Id] = (pastry, prevCount + count);
+            _logger.LogInformation(
+                    "AddPastryInShop. Has been added {count} {pastry} in {ShopName}",
+                    count, pastry.PastryName, element.Name);
+
+            _shopStorage.Update(new()
+            {
+                Id = element.Id,
+                Address = element.Address,
+                Name = element.Name,
+                DateOpening = element.DateOpening,
+                Pastries = element.Pastries
+            });
+            return true;
+        }
+
+
+        public int GetFreePlacesWithPastriesInShops(int countPastries)
+        {
+            // Сумма разностей между максимальный кол-вом изделий и суммой всех изделий в магазине
+            return _shopStorage.GetFullList()
+                .Select(x => x.MaxCountPastries - x.Pastries
+                    .Select(p => p.Value.Item2).Sum())
+                .Sum() - countPastries;
+        }
+
+        public bool AddPastriesInShops(IPastryModel pastry, int count)
+        {
+            if (count <= 0)
+            {
+                _logger.LogWarning("AddPastriesInShops. Количество добавляемых изделий должно быть больше 0. Количество - {count}", count);
+                return false;
+            }
+            var freePlaces = GetFreePlacesWithPastriesInShops(count);
+            if (freePlaces < 0)
+            {
+                _logger.LogInformation("AddPastriesInShops. Не удалось добавить изделия в магазины, поскольку они переполнены." +
+                    "Освободите магазины на {places} изделий", -freePlaces);
+                return false;
+            }
+            foreach (var shop in _shopStorage.GetFullList())
+            {
+                var cnt = Math.Min(count, shop.MaxCountPastries - shop.Pastries.Select(x => x.Value.Item2).Sum());
+                if (cnt <= 0)
+                {
+                    continue;
+                }
+                if (!AddPastry(new() { Id = shop.Id }, pastry, cnt))
+                {
+                    _logger.LogWarning("При добавления изделий во все магазины произошла ошибка");
+                    return false;
+                }
+                count -= cnt;
+                if (count == 0)
+                {
+                    return true;
+                }
+            }
+            return true;
+        }
+
+        public bool SellPastries(IPastryModel pastry, int needCount)
+        {
+            return _shopStorage.SellPastries(pastry, needCount);
+        }
+    }
+}

ConfectionaryFileImplement/DataFileSingleton.cs

@@ -9,9 +9,11 @@ namespace ConfectioneryFileImplement
         private readonly string ComponentFileName = "Component.xml";
         private readonly string OrderFileName = "Order.xml";
         private readonly string PastryFileName = "Pastry.xml";
+        private readonly string ShopFileName = "Shop.xml";
         public List<Component> Components { get; private set; }
         public List<Order> Orders { get; private set; }
         public List<Pastry> Pastries { get; private set; }
+        public List<Shop> Shops { get; private set; }
 
         public static DataFileSingleton GetInstance()
         {
@@ -24,12 +26,14 @@ namespace ConfectioneryFileImplement
         public void SaveComponents() => SaveData(Components, ComponentFileName, "Components", x => x.GetXElement);
         public void SavePastries() => SaveData(Pastries, PastryFileName, "Pastries", x => x.GetXElement);
         public void SaveOrders() => SaveData(Orders, OrderFileName, "Orders", x => x.GetXElement);
+        public void SaveShops() => SaveData(Shops, ShopFileName, "Shops", x => x.GetXElement);
 
         private DataFileSingleton()
         {
             Components = LoadData(ComponentFileName, "Component", x => Component.Create(x)!)!;
             Pastries = LoadData(PastryFileName, "Pastry", x => Pastry.Create(x)!)!;
             Orders = LoadData(OrderFileName, "Order", x => Order.Create(x)!)!;
+            Shops = LoadData(ShopFileName, "Shop", x => Shop.Create(x)!)!;
         }
         private static List<T>? LoadData<T>(string filename, string xmlNodeName, Func<XElement, T> selectFunction)
         {

ConfectionaryFileImplement/Order.cs

@@ -64,8 +64,13 @@ namespace ConfectioneryFileImplement.Models
             {
                 return;
             }
+            PastryId = model.PastryId;
+            Count = model.Count;
+            Sum = model.Sum;
             Status = model.Status;
+            DateCreate = model.DateCreate;
             DateImplement = model.DateImplement;
+            Id = model.Id;
         }
         public OrderViewModel GetViewModel => new()
         {

ConfectionaryFileImplement/Shop.cs

@@ -0,0 +1,109 @@
+using ConfectioneryContracts.BindingModels;
+using ConfectioneryContracts.ViewModels;
+using ConfectioneryDataModels;
+using ConfectioneryDataModels.Models;
+using System.Xml.Linq;
+
+namespace ConfectioneryFileImplement
+{
+    public class Shop : IShopModel
+    {
+        public string Name { get; private set; } = string.Empty;
+
+        public string Address { get; private set; } = string.Empty;
+
+        public int MaxCountPastries { get; private set; }
+
+        public DateTime DateOpening { get; private set; }
+
+        public Dictionary<int, int> CountPastries { get; private set; } = new();
+
+        private Dictionary<int, (IPastryModel, int)>? _cachedPastries = null;
+        public  Dictionary<int, (IPastryModel, int)> Pastries
+        {
+            get
+            {
+                if (_cachedPastries == null)
+                {
+                    var source = DataFileSingleton.GetInstance();
+                    _cachedPastries = CountPastries
+                        .ToDictionary(x => x.Key, x => (source.Pastries
+                        .FirstOrDefault(y => y.Id == x.Key)! as IPastryModel, x.Value));
+                }
+                return _cachedPastries;
+            }
+        }
+
+        public int Id { get; private set; }
+
+        public static Shop? Create(ShopBindingModel? model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new Shop()
+            {
+                Id = model.Id,
+                Name = model.Name,
+                Address = model.Address,
+                DateOpening = model.DateOpening,
+                MaxCountPastries = model.MaxCountPastries,
+                CountPastries = new()
+            };
+        }
+        public static Shop? Create(XElement element)
+        {
+            if (element == null)
+            {
+                return null;
+            }
+            return new()
+            {
+                Id               = Convert.ToInt32(element.Attribute("Id")!.Value),
+                Name             = element.Element("Name")!.Value,
+                Address          = element.Element("Address")!.Value,
+                DateOpening      = Convert.ToDateTime(element.Element("DateOpening")!.Value),
+                MaxCountPastries = Convert.ToInt32(element.Element("MaxCountPastries")!.Value),
+                CountPastries    = element.Element("CountPastries")!.Elements("CountPastry")
+                    .ToDictionary(
+                        x => Convert.ToInt32(x.Element("Key")?.Value),
+                        x => Convert.ToInt32(x.Element("Value")?.Value)
+                    )
+            };   
+        }
+        public void Update(ShopBindingModel? model)
+        {
+            if (model == null)
+            {
+                return;
+            }
+            Name = model.Name;
+            Address = model.Address;
+            DateOpening = model.DateOpening;
+            CountPastries = model.Pastries.ToDictionary(x => x.Key, x => x.Value.Item2);
+            _cachedPastries = null;
+        }
+        public ShopViewModel GetViewModel => new()
+        {
+            Id = Id,
+            Name = Name,
+            Address = Address,
+            Pastries = Pastries,
+            DateOpening = DateOpening,
+            MaxCountPastries = MaxCountPastries,
+        };
+        public XElement GetXElement => new("Shop",
+             new XAttribute("Id", Id),
+             new XElement("Name", Name),
+             new XElement("Address", Address),
+             new XElement("DateOpening", DateOpening),
+             new XElement("MaxCountPastries", MaxCountPastries),
+             new XElement("CountPastries", CountPastries
+                 .Select(x => new XElement("CountPastry",
+                     new XElement("Key", x.Key),
+                     new XElement("Value", x.Value))
+                 ))
+         );
+    }
+}

ConfectionaryFileImplement/ShopStorage.cs

@@ -0,0 +1,114 @@
+using ConfectioneryContracts.BindingModels;
+using ConfectioneryContracts.SearchModels;
+using ConfectioneryContracts.StoragesContract;
+using ConfectioneryContracts.ViewModels;
+using ConfectioneryDataModels;
+using ConfectioneryDataModels.Models;
+
+namespace ConfectioneryFileImplement
+{
+    public class ShopStorage : IShopStorage
+    {
+        private readonly DataFileSingleton _source;
+        public ShopStorage()
+        {
+            _source = DataFileSingleton.GetInstance();
+        }
+
+        public ShopViewModel? Delete(ShopBindingModel model)
+        {
+            var element = _source.Shops.FirstOrDefault(x => x.Id == model.Id);
+            if (element != null)
+            {
+                _source.Shops.Remove(element);
+                _source.SaveShops();
+                return element.GetViewModel;
+            }
+            return null;
+        }
+
+        public ShopViewModel? GetElement(ShopSearchModel model)
+        {
+            if (!model.Id.HasValue)
+            {
+                return null;
+            }
+            return _source.Shops.FirstOrDefault(x => model.Id.HasValue && x.Id == model.Id)?.GetViewModel;
+        }
+
+        public List<ShopViewModel> GetFilteredList(ShopSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.Name))
+            {
+                return new();
+            }
+            return _source.Shops
+                .Select(x => x.GetViewModel)
+                .Where(x => x.Name.Contains(model.Name ?? string.Empty))
+                .ToList();
+        }
+
+        public List<ShopViewModel> GetFullList()
+        {
+            return _source.Shops
+                .Select(shop => shop.GetViewModel)
+                .ToList();
+        }
+
+        public ShopViewModel? Insert(ShopBindingModel model)
+        {
+            model.Id = _source.Shops.Count > 0 ? _source.Shops.Max(x => x.Id) + 1 : 1;
+            var newShop = Shop.Create(model);
+            if (newShop == null)
+            {
+                return null;
+            }
+            _source.Shops.Add(newShop);
+            _source.SaveShops();
+            return newShop.GetViewModel;
+        }
+
+        public ShopViewModel? Update(ShopBindingModel model)
+        {
+            var shop = _source.Shops.FirstOrDefault(x => x.Id == model.Id);
+            if (shop == null)
+            {
+                return null;
+            }
+            shop.Update(model);
+            _source.SaveShops();
+            return shop.GetViewModel;
+        }
+
+        public bool HasNeedPastries(IPastryModel pastry, int needCount)
+        {
+            var resultCount = _source.Shops
+                .Select(shop => shop.Pastries
+                    .FirstOrDefault(x => x.Key == pastry.Id).Value.Item2)
+                .Sum();
+            return resultCount >= needCount;
+        }
+
+        public bool SellPastries(IPastryModel pastry, int needCount)
+        {
+            if (!HasNeedPastries(pastry, needCount))
+            {
+                return false;
+            }
+            foreach (var shop in _source.Shops.Where(shop => shop.Pastries.ContainsKey(pastry.Id)))
+            {
+                var tuple = shop.Pastries[pastry.Id];
+                var diff = Math.Min(tuple.Item2, needCount);
+                shop.Pastries[pastry.Id] = (tuple.Item1, tuple.Item2 - diff);
+                
+                needCount -= diff;
+                if (needCount <= 0)
+                {
+                    return true;
+                }
+            }
+                
+            return true;
+        }
+    }
+}

ConfectionaryListImplement/DataListSingleton.cs

@@ -8,11 +8,13 @@ namespace ConfectioneryListImplement
         public List<Component> Components { get; set; }
         public List<Order> Orders { get; set; }
         public List<Pastry> Pastry { get; set; }
+        public List<Shop> Shops { get; set; }
         private DataListSingleton()
         {
             Components = new List<Component>();
             Orders = new List<Order>();
             Pastry = new List<Pastry>();
+            Shops = new List<Shop>();
         }
         public static DataListSingleton GetInstance()
         {

ConfectionaryListImplement/Shop.cs

@@ -0,0 +1,64 @@
+using ConfectioneryContracts.BindingModels;
+using ConfectioneryContracts.ViewModels;
+using ConfectioneryDataModels;
+using ConfectioneryDataModels.Models;
+
+namespace ConfectioneryListImplement
+{
+    public class Shop : IShopModel
+    {
+        public string Name { get; private set; } = string.Empty;
+
+        public string Address { get; private set; } = string.Empty;
+
+        public int MaxCountPastries { get; private set; }
+
+        public DateTime DateOpening { get; private set; }
+
+        public Dictionary<int, (IPastryModel, int)> Pastries
+        {
+            get;
+            private set;
+        } = new();
+
+        public int Id { get; private set; }
+
+        public static Shop? Create(ShopBindingModel? model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new Shop()
+            {
+                Id = model.Id,
+                Name = model.Name,
+                Address = model.Address,
+                DateOpening = model.DateOpening,
+                MaxCountPastries = model.MaxCountPastries,
+                Pastries = new()
+            };
+        }
+        public void Update(ShopBindingModel? model)
+        {
+            if (model == null)
+            {
+                return;
+            }
+            Name = model.Name;
+            Address = model.Address;
+            DateOpening = model.DateOpening;
+            MaxCountPastries = model.MaxCountPastries;
+            Pastries = model.Pastries;
+        }
+        public ShopViewModel GetViewModel => new()
+        {
+            Id = Id,
+            Name = Name,
+            Address = Address,
+            Pastries = Pastries,
+            DateOpening = DateOpening,
+            MaxCountPastries = MaxCountPastries,
+        };
+    }
+}

ConfectionaryListImplement/ShopStorage.cs

@@ -0,0 +1,118 @@
+using ConfectioneryContracts.BindingModels;
+using ConfectioneryContracts.SearchModels;
+using ConfectioneryContracts.StoragesContract;
+using ConfectioneryContracts.ViewModels;
+using ConfectioneryDataModels.Models;
+
+namespace ConfectioneryListImplement
+{
+    public class ShopStorage : IShopStorage
+    {
+        private readonly DataListSingleton _source;
+        public ShopStorage()
+        {
+            _source = DataListSingleton.GetInstance();
+        }
+
+        public ShopViewModel? Delete(ShopBindingModel model)
+        {
+            for (int i = 0; i < _source.Shops.Count; ++i)
+            {
+                if (_source.Shops[i].Id == model.Id)
+                {
+                    var element = _source.Shops[i];
+                    _source.Shops.RemoveAt(i);
+                    return element.GetViewModel;
+                }
+            }
+            return null;
+        }
+
+        public ShopViewModel? GetElement(ShopSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.Name) && !model.Id.HasValue)
+            {
+                return null;
+            }
+            foreach (var shop in _source.Shops)
+            {
+                if ((!string.IsNullOrEmpty(model.Name) &&
+                shop.Name == model.Name) ||
+                (model.Id.HasValue && shop.Id == model.Id))
+                {
+                    return shop.GetViewModel;
+                }
+            }
+            return null;
+        }
+
+        public List<ShopViewModel> GetFilteredList(ShopSearchModel model)
+        {
+            var result = new List<ShopViewModel>();
+            if (string.IsNullOrEmpty(model.Name))
+            {
+                return result;
+            }
+            foreach (var shop in _source.Shops)
+            {
+                if (shop.Name.Contains(model.Name ?? string.Empty))
+                {
+                    result.Add(shop.GetViewModel);
+                }
+            }
+            return result;
+        }
+
+        public List<ShopViewModel> GetFullList()
+        {
+            var result = new List<ShopViewModel>();
+            foreach (var shop in _source.Shops)
+            {
+                result.Add(shop.GetViewModel);
+            }
+            return result;
+        }
+
+        public bool HasNeedPastries(IPastryModel pastry, int needCount)
+        {
+            throw new NotImplementedException();
+        }
+
+        public ShopViewModel? Insert(ShopBindingModel model)
+        {
+            model.Id = 1;
+            foreach (var shop in _source.Shops)
+            {
+                if (model.Id <= shop.Id)
+                {
+                    model.Id = shop.Id + 1;
+                }
+            }
+            var newShop = Shop.Create(model);
+            if (newShop == null)
+            {
+                return null;
+            }
+            _source.Shops.Add(newShop);
+            return newShop.GetViewModel;
+        }
+
+        public bool SellPastries(IPastryModel pastry, int needCount)
+        {
+            throw new NotImplementedException();
+        }
+
+        public ShopViewModel? Update(ShopBindingModel model)
+        {
+            foreach (var shop in _source.Shops)
+            {
+                if (shop.Id == model.Id)
+                {
+                    shop.Update(model);
+                    return shop.GetViewModel;
+                }
+            }
+            return null;
+        }
+    }
+}

Confectionery/FormAddPastryInShop.Designer.cs

@@ -0,0 +1,151 @@
+namespace ConfectioneryView
+{
+    partial class FormAddPastryInShop
+    {
+        /// <summary>
+        /// Required designer variable.
+        /// </summary>
+        private System.ComponentModel.IContainer components = null;
+
+        /// <summary>
+        /// Clean up any resources being used.
+        /// </summary>
+        /// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
+        protected override void Dispose(bool disposing)
+        {
+            if (disposing && (components != null))
+            {
+                components.Dispose();
+            }
+            base.Dispose(disposing);
+        }
+
+        #region Windows Form Designer generated code
+
+        /// <summary>
+        /// Required method for Designer support - do not modify
+        /// the contents of this method with the code editor.
+        /// </summary>
+        private void InitializeComponent()
+        {
+            this.comboBoxShop = new System.Windows.Forms.ComboBox();
+            this.label1 = new System.Windows.Forms.Label();
+            this.label2 = new System.Windows.Forms.Label();
+            this.label3 = new System.Windows.Forms.Label();
+            this.comboBoxPastry = new System.Windows.Forms.ComboBox();
+            this.numericUpDownCount = new System.Windows.Forms.NumericUpDown();
+            this.buttonSave = new System.Windows.Forms.Button();
+            this.buttonCancel = new System.Windows.Forms.Button();
+            ((System.ComponentModel.ISupportInitialize)(this.numericUpDownCount)).BeginInit();
+            this.SuspendLayout();
+            // 
+            // comboBoxShop
+            // 
+            this.comboBoxShop.FormattingEnabled = true;
+            this.comboBoxShop.Location = new System.Drawing.Point(214, 17);
+            this.comboBoxShop.Name = "comboBoxShop";
+            this.comboBoxShop.Size = new System.Drawing.Size(222, 23);
+            this.comboBoxShop.TabIndex = 3;
+            // 
+            // label1
+            // 
+            this.label1.AutoSize = true;
+            this.label1.Location = new System.Drawing.Point(84, 20);
+            this.label1.Name = "label1";
+            this.label1.Size = new System.Drawing.Size(124, 15);
+            this.label1.TabIndex = 2;
+            this.label1.Text = "Выбранный магазин:";
+            // 
+            // label2
+            // 
+            this.label2.AutoSize = true;
+            this.label2.Location = new System.Drawing.Point(12, 47);
+            this.label2.Name = "label2";
+            this.label2.Size = new System.Drawing.Size(196, 15);
+            this.label2.TabIndex = 4;
+            this.label2.Text = "Изделие которое нужно добавить:";
+            // 
+            // label3
+            // 
+            this.label3.AutoSize = true;
+            this.label3.Location = new System.Drawing.Point(133, 73);
+            this.label3.Name = "label3";
+            this.label3.Size = new System.Drawing.Size(75, 15);
+            this.label3.TabIndex = 5;
+            this.label3.Text = "Количество:";
+            // 
+            // comboBoxPastry
+            // 
+            this.comboBoxPastry.FormattingEnabled = true;
+            this.comboBoxPastry.Location = new System.Drawing.Point(214, 44);
+            this.comboBoxPastry.Name = "comboBoxPastry";
+            this.comboBoxPastry.Size = new System.Drawing.Size(222, 23);
+            this.comboBoxPastry.TabIndex = 6;
+            // 
+            // numericUpDownCount
+            // 
+            this.numericUpDownCount.Location = new System.Drawing.Point(215, 71);
+            this.numericUpDownCount.Maximum = new decimal(new int[] {
+            1410065408,
+            2,
+            0,
+            0});
+            this.numericUpDownCount.Name = "numericUpDownCount";
+            this.numericUpDownCount.Size = new System.Drawing.Size(221, 23);
+            this.numericUpDownCount.TabIndex = 7;
+            // 
+            // buttonSave
+            // 
+            this.buttonSave.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right)));
+            this.buttonSave.Location = new System.Drawing.Point(280, 123);
+            this.buttonSave.Name = "buttonSave";
+            this.buttonSave.Size = new System.Drawing.Size(75, 23);
+            this.buttonSave.TabIndex = 8;
+            this.buttonSave.Text = "Сохранить";
+            this.buttonSave.UseVisualStyleBackColor = true;
+            this.buttonSave.Click += new System.EventHandler(this.ButtonSave_Click);
+            // 
+            // buttonCancel
+            // 
+            this.buttonCancel.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right)));
+            this.buttonCancel.Location = new System.Drawing.Point(361, 123);
+            this.buttonCancel.Name = "buttonCancel";
+            this.buttonCancel.Size = new System.Drawing.Size(75, 23);
+            this.buttonCancel.TabIndex = 9;
+            this.buttonCancel.Text = "Отмена";
+            this.buttonCancel.UseVisualStyleBackColor = true;
+            this.buttonCancel.Click += new System.EventHandler(this.ButtonCancel_Click);
+            // 
+            // FormAddPastryInShop
+            // 
+            this.AutoScaleDimensions = new System.Drawing.SizeF(7F, 15F);
+            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
+            this.ClientSize = new System.Drawing.Size(448, 158);
+            this.Controls.Add(this.buttonCancel);
+            this.Controls.Add(this.buttonSave);
+            this.Controls.Add(this.numericUpDownCount);
+            this.Controls.Add(this.comboBoxPastry);
+            this.Controls.Add(this.label3);
+            this.Controls.Add(this.label2);
+            this.Controls.Add(this.comboBoxShop);
+            this.Controls.Add(this.label1);
+            this.Name = "FormAddPastryInShop";
+            this.Text = "FormAddPastryInShop";
+            ((System.ComponentModel.ISupportInitialize)(this.numericUpDownCount)).EndInit();
+            this.ResumeLayout(false);
+            this.PerformLayout();
+
+        }
+
+        #endregion
+
+        private ComboBox comboBoxShop;
+        private Label label1;
+        private Label label2;
+        private Label label3;
+        private ComboBox comboBoxPastry;
+        private NumericUpDown numericUpDownCount;
+        private Button buttonSave;
+        private Button buttonCancel;
+    }
+}

Confectionery/FormAddPastryInShop.cs

@@ -0,0 +1,101 @@
+using ConfectioneryContracts.BindingModels;
+using ConfectioneryContracts.BusinessLogicsContracts;
+using ConfectioneryContracts.ViewModels;
+using Microsoft.Extensions.Logging;
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Data;
+using System.Drawing;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows.Forms;
+
+namespace ConfectioneryView
+{
+    public partial class FormAddPastryInShop : Form
+    {
+        private readonly ILogger _logger;
+        private readonly IShopLogic _shopLogic;
+        private readonly IPastryLogic _pastryLogic;
+        private readonly List<ShopViewModel>? _listShops;
+        private readonly List<PastryViewModel>? _listPastries;
+
+        public FormAddPastryInShop(ILogger<FormAddPastryInShop> logger, IShopLogic shopLogic, IPastryLogic pastryLogic)
+        {
+            InitializeComponent();
+            _shopLogic = shopLogic;
+            _pastryLogic = pastryLogic;
+            _logger = logger;
+            _listShops = shopLogic.ReadList(null);
+            if (_listShops != null)
+            {
+                comboBoxShop.DisplayMember = "Name";
+                comboBoxShop.ValueMember = "Id";
+                comboBoxShop.DataSource = _listShops;
+                comboBoxShop.SelectedItem = null;
+            }
+
+            _listPastries = pastryLogic.ReadList(null);
+            if (_listPastries != null)
+            {
+                comboBoxPastry.DisplayMember = "PastryName";
+                comboBoxPastry.ValueMember= "Id";
+                comboBoxPastry.DataSource = _listPastries;
+                comboBoxPastry.SelectedItem = null;
+            }
+        }
+
+        private void ButtonSave_Click(object sender, EventArgs e)
+        {
+            if (comboBoxShop.SelectedValue == null)
+            {
+                MessageBox.Show("Выберите магазин", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
+                return;
+            }
+            if (comboBoxPastry.SelectedValue == null)
+            {
+                MessageBox.Show("Выберите изделие", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
+                return;
+            }
+            _logger.LogInformation("Добавление изделия в магазин");
+            try
+            {
+                var pastry = _pastryLogic.ReadElement(new() 
+                { 
+                    Id = (int)comboBoxPastry.SelectedValue 
+                });
+                if (pastry == null) 
+                {
+                    throw new Exception("Не найдено изделие. Дополнительная информация в логах.");
+                }
+                var resultOperation = _shopLogic.AddPastry(
+                     model: new() { Id = (int)comboBoxShop.SelectedValue },
+                    pastry: pastry,
+                     count: (int)numericUpDownCount.Value
+                );
+                if (!resultOperation)
+                {
+                    throw new Exception("Ошибка при добавлении. Дополнительная информация в логах.");
+                }
+                MessageBox.Show("Сохранение прошло успешно", "Сообщение",
+                MessageBoxButtons.OK, MessageBoxIcon.Information);
+                DialogResult = DialogResult.OK;
+                Close();
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Ошибка сохранения изделия");
+                MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
+            }
+        }
+
+        private void ButtonCancel_Click(object sender, EventArgs e)
+        {
+            DialogResult = DialogResult.Cancel;
+            Close();
+        }
+    }
+}

Confectionery/FormAddPastryInShop.resx

@@ -0,0 +1,60 @@
+<root>
+  <xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
+    <xsd:import namespace="http://www.w3.org/XML/1998/namespace" />
+    <xsd:element name="root" msdata:IsDataSet="true">
+      <xsd:complexType>
+        <xsd:choice maxOccurs="unbounded">
+          <xsd:element name="metadata">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" />
+              </xsd:sequence>
+              <xsd:attribute name="name" use="required" type="xsd:string" />
+              <xsd:attribute name="type" type="xsd:string" />
+              <xsd:attribute name="mimetype" type="xsd:string" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="assembly">
+            <xsd:complexType>
+              <xsd:attribute name="alias" type="xsd:string" />
+              <xsd:attribute name="name" type="xsd:string" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="data">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+                <xsd:element name="comment" type="xsd:string" minOccurs="0" msdata:Ordinal="2" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" msdata:Ordinal="1" />
+              <xsd:attribute name="type" type="xsd:string" msdata:Ordinal="3" />
+              <xsd:attribute name="mimetype" type="xsd:string" msdata:Ordinal="4" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="resheader">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" />
+            </xsd:complexType>
+          </xsd:element>
+        </xsd:choice>
+      </xsd:complexType>
+    </xsd:element>
+  </xsd:schema>
+  <resheader name="resmimetype">
+    <value>text/microsoft-resx</value>
+  </resheader>
+  <resheader name="version">
+    <value>2.0</value>
+  </resheader>
+  <resheader name="reader">
+    <value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+  <resheader name="writer">
+    <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+</root>

Confectionery/FormMain.Designer.cs

@@ -32,12 +32,15 @@
             this.справочникиToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
             this.pastryToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
             this.componentToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
+            this.ShopsToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
             this.dataGridView = new System.Windows.Forms.DataGridView();
             this.buttonCreateOrder = new System.Windows.Forms.Button();
             this.buttonTakeOrderInWork = new System.Windows.Forms.Button();
             this.button2 = new System.Windows.Forms.Button();
             this.button3 = new System.Windows.Forms.Button();
             this.button4 = new System.Windows.Forms.Button();
+            this.buttonAddPastryInShop = new System.Windows.Forms.Button();
+            this.buttonSellPastry = new System.Windows.Forms.Button();
             this.menuStrip1.SuspendLayout();
             ((System.ComponentModel.ISupportInitialize)(this.dataGridView)).BeginInit();
             this.SuspendLayout();
@@ -56,7 +59,8 @@
             // 
             this.справочникиToolStripMenuItem.DropDownItems.AddRange(new System.Windows.Forms.ToolStripItem[] {
             this.pastryToolStripMenuItem,
-            this.componentToolStripMenuItem});
+            this.componentToolStripMenuItem,
+            this.ShopsToolStripMenuItem});
             this.справочникиToolStripMenuItem.Name = "справочникиToolStripMenuItem";
             this.справочникиToolStripMenuItem.Size = new System.Drawing.Size(94, 20);
             this.справочникиToolStripMenuItem.Text = "Справочники";
@@ -75,6 +79,13 @@
             this.componentToolStripMenuItem.Text = "Компоненты";
             this.componentToolStripMenuItem.Click += new System.EventHandler(this.ComponentsToolStripMenuItem_Click);
             // 
+            // ShopsToolStripMenuItem
+            // 
+            this.ShopsToolStripMenuItem.Name = "ShopsToolStripMenuItem";
+            this.ShopsToolStripMenuItem.Size = new System.Drawing.Size(145, 22);
+            this.ShopsToolStripMenuItem.Text = "Магазины";
+            this.ShopsToolStripMenuItem.Click += new System.EventHandler(this.ShopsToolStripMenuItem_Click);
+            // 
             // dataGridView
             // 
             this.dataGridView.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom) 
@@ -84,7 +95,7 @@
             this.dataGridView.Location = new System.Drawing.Point(12, 27);
             this.dataGridView.Name = "dataGridView";
             this.dataGridView.RowTemplate.Height = 25;
-            this.dataGridView.Size = new System.Drawing.Size(606, 341);
+            this.dataGridView.Size = new System.Drawing.Size(606, 399);
             this.dataGridView.TabIndex = 1;
             // 
             // buttonCreateOrder
@@ -142,11 +153,35 @@
             this.button4.UseVisualStyleBackColor = true;
             this.button4.Click += new System.EventHandler(this.ButtonRef_Click);
             // 
+            // buttonAddPastryInShop
+            // 
+            this.buttonAddPastryInShop.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right)));
+            this.buttonAddPastryInShop.Location = new System.Drawing.Point(624, 384);
+            this.buttonAddPastryInShop.Name = "buttonAddPastryInShop";
+            this.buttonAddPastryInShop.Size = new System.Drawing.Size(147, 31);
+            this.buttonAddPastryInShop.TabIndex = 7;
+            this.buttonAddPastryInShop.Text = "Пополнение магазина";
+            this.buttonAddPastryInShop.UseVisualStyleBackColor = true;
+            this.buttonAddPastryInShop.Click += new System.EventHandler(this.ButtonAddPastryInShop_Click);
+            // 
+            // buttonSellPastry
+            // 
+            this.buttonSellPastry.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Right)));
+            this.buttonSellPastry.Location = new System.Drawing.Point(624, 331);
+            this.buttonSellPastry.Name = "buttonSellPastry";
+            this.buttonSellPastry.Size = new System.Drawing.Size(147, 31);
+            this.buttonSellPastry.TabIndex = 8;
+            this.buttonSellPastry.Text = "Продать изделие";
+            this.buttonSellPastry.UseVisualStyleBackColor = true;
+            this.buttonSellPastry.Click += new System.EventHandler(this.ButtonSellPastry_Click);
+            // 
             // FormMain
             // 
             this.AutoScaleDimensions = new System.Drawing.SizeF(7F, 15F);
             this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
-            this.ClientSize = new System.Drawing.Size(783, 380);
+            this.ClientSize = new System.Drawing.Size(783, 438);
+            this.Controls.Add(this.buttonSellPastry);
+            this.Controls.Add(this.buttonAddPastryInShop);
             this.Controls.Add(this.button4);
             this.Controls.Add(this.button3);
             this.Controls.Add(this.button2);
@@ -178,5 +213,8 @@
         private Button button4;
         private ToolStripMenuItem pastryToolStripMenuItem;
         private ToolStripMenuItem componentToolStripMenuItem;
+        private ToolStripMenuItem ShopsToolStripMenuItem;
+        private Button buttonAddPastryInShop;
+        private Button buttonSellPastry;
     }
 }

Confectionery/FormMain.cs

@@ -63,8 +63,7 @@ namespace ConfectioneryView
 
         private void ButtonCreateOrder_Click(object sender, EventArgs e)
         {
-            var service =
-            Program.ServiceProvider?.GetService(typeof(FormCreateOrder));
+            var service = Program.ServiceProvider?.GetService(typeof(FormCreateOrder));
             if (service is FormCreateOrder form)
             {
                 form.ShowDialog();
@@ -153,5 +152,32 @@ namespace ConfectioneryView
         {
             LoadData();
         }
+
+        private void ShopsToolStripMenuItem_Click(object sender, EventArgs e)
+        {
+            var service = Program.ServiceProvider?.GetService(typeof(FormViewShops));
+            if (service is FormViewShops form)
+            {
+                form.ShowDialog();
+            }
+        }
+
+        private void ButtonAddPastryInShop_Click(object sender, EventArgs e)
+        {
+            var service = Program.ServiceProvider?.GetService(typeof(FormAddPastryInShop));
+            if (service is FormAddPastryInShop form)
+            {
+                form.ShowDialog();
+            }
+        }
+
+        private void ButtonSellPastry_Click(object sender, EventArgs e)
+        {
+            var service = Program.ServiceProvider?.GetService(typeof(FormSellPastry));
+            if (service is FormSellPastry form)
+            {
+                form.ShowDialog();
+            }
+        }
     }
 }

Confectionery/FormSellPastry.Designer.cs

@@ -0,0 +1,133 @@
+namespace ConfectioneryView
+{
+    partial class FormSellPastry
+    {
+        /// <summary>
+        /// Required designer variable.
+        /// </summary>
+        private System.ComponentModel.IContainer components = null;
+
+        /// <summary>
+        /// Clean up any resources being used.
+        /// </summary>
+        /// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
+        protected override void Dispose(bool disposing)
+        {
+            if (disposing && (components != null))
+            {
+                components.Dispose();
+            }
+            base.Dispose(disposing);
+        }
+
+        #region Windows Form Designer generated code
+
+        /// <summary>
+        /// Required method for Designer support - do not modify
+        /// the contents of this method with the code editor.
+        /// </summary>
+        private void InitializeComponent()
+        {
+            this.comboBoxPastry = new System.Windows.Forms.ComboBox();
+            this.label1 = new System.Windows.Forms.Label();
+            this.label2 = new System.Windows.Forms.Label();
+            this.numericUpDownCount = new System.Windows.Forms.NumericUpDown();
+            this.buttonSell = new System.Windows.Forms.Button();
+            this.buttonCancel = new System.Windows.Forms.Button();
+            ((System.ComponentModel.ISupportInitialize)(this.numericUpDownCount)).BeginInit();
+            this.SuspendLayout();
+            // 
+            // comboBoxPastry
+            // 
+            this.comboBoxPastry.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Left) 
+            | System.Windows.Forms.AnchorStyles.Right)));
+            this.comboBoxPastry.FormattingEnabled = true;
+            this.comboBoxPastry.Location = new System.Drawing.Point(141, 12);
+            this.comboBoxPastry.Name = "comboBoxPastry";
+            this.comboBoxPastry.Size = new System.Drawing.Size(121, 23);
+            this.comboBoxPastry.TabIndex = 0;
+            // 
+            // label1
+            // 
+            this.label1.AutoSize = true;
+            this.label1.Location = new System.Drawing.Point(12, 15);
+            this.label1.Name = "label1";
+            this.label1.Size = new System.Drawing.Size(123, 15);
+            this.label1.TabIndex = 1;
+            this.label1.Text = "Изделие на продажу:";
+            // 
+            // label2
+            // 
+            this.label2.AutoSize = true;
+            this.label2.Location = new System.Drawing.Point(60, 46);
+            this.label2.Name = "label2";
+            this.label2.Size = new System.Drawing.Size(75, 15);
+            this.label2.TabIndex = 2;
+            this.label2.Text = "Количество:";
+            // 
+            // numericUpDownCount
+            // 
+            this.numericUpDownCount.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Left) 
+            | System.Windows.Forms.AnchorStyles.Right)));
+            this.numericUpDownCount.Location = new System.Drawing.Point(142, 46);
+            this.numericUpDownCount.Maximum = new decimal(new int[] {
+            10000000,
+            0,
+            0,
+            0});
+            this.numericUpDownCount.Name = "numericUpDownCount";
+            this.numericUpDownCount.RightToLeft = System.Windows.Forms.RightToLeft.No;
+            this.numericUpDownCount.Size = new System.Drawing.Size(120, 23);
+            this.numericUpDownCount.TabIndex = 3;
+            // 
+            // buttonSell
+            // 
+            this.buttonSell.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right)));
+            this.buttonSell.Location = new System.Drawing.Point(12, 90);
+            this.buttonSell.Name = "buttonSell";
+            this.buttonSell.Size = new System.Drawing.Size(123, 23);
+            this.buttonSell.TabIndex = 4;
+            this.buttonSell.Text = "Продать";
+            this.buttonSell.UseVisualStyleBackColor = true;
+            this.buttonSell.Click += new System.EventHandler(this.ButtonSell_Click);
+            // 
+            // buttonCancel
+            // 
+            this.buttonCancel.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right)));
+            this.buttonCancel.Location = new System.Drawing.Point(142, 90);
+            this.buttonCancel.Name = "buttonCancel";
+            this.buttonCancel.Size = new System.Drawing.Size(123, 23);
+            this.buttonCancel.TabIndex = 5;
+            this.buttonCancel.Text = "Отмена";
+            this.buttonCancel.UseVisualStyleBackColor = true;
+            this.buttonCancel.Click += new System.EventHandler(this.ButtonCancel_Click);
+            // 
+            // FormSellPastry
+            // 
+            this.AutoScaleDimensions = new System.Drawing.SizeF(7F, 15F);
+            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
+            this.ClientSize = new System.Drawing.Size(277, 122);
+            this.Controls.Add(this.buttonCancel);
+            this.Controls.Add(this.buttonSell);
+            this.Controls.Add(this.numericUpDownCount);
+            this.Controls.Add(this.label2);
+            this.Controls.Add(this.label1);
+            this.Controls.Add(this.comboBoxPastry);
+            this.Name = "FormSellPastry";
+            this.Text = "Продажа изделия";
+            ((System.ComponentModel.ISupportInitialize)(this.numericUpDownCount)).EndInit();
+            this.ResumeLayout(false);
+            this.PerformLayout();
+
+        }
+
+        #endregion
+
+        private ComboBox comboBoxPastry;
+        private Label label1;
+        private Label label2;
+        private NumericUpDown numericUpDownCount;
+        private Button buttonSell;
+        private Button buttonCancel;
+    }
+}

Confectionery/FormSellPastry.cs

@@ -0,0 +1,67 @@
+using ConfectioneryContracts.BusinessLogicsContracts;
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Data;
+using System.Drawing;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows.Forms;
+
+namespace ConfectioneryView
+{
+    public partial class FormSellPastry : Form
+    {
+        private readonly IShopLogic _shopLogic; 
+        private readonly IPastryLogic _pastryLogic; 
+
+        public FormSellPastry(IPastryLogic logic, IShopLogic shopLogic)
+        {
+            InitializeComponent();
+            _pastryLogic = logic;
+            _shopLogic = shopLogic;
+            var list = logic.ReadList(null);
+            if (list != null)
+            {
+                comboBoxPastry.DisplayMember = "PastryName";
+                comboBoxPastry.ValueMember = "Id";
+                comboBoxPastry.DataSource = list;
+                comboBoxPastry.SelectedItem = null;
+            }
+        }
+
+        private void ButtonSell_Click(object sender, EventArgs e)
+        {
+            if (comboBoxPastry.SelectedValue == null)
+            {
+                MessageBox.Show("Выберите изделие", "Ошибка",
+                MessageBoxButtons.OK, MessageBoxIcon.Error);
+                return;
+            }
+            if (numericUpDownCount.Value <= 0)
+            {
+                MessageBox.Show("Количество должно быть больше нуля", "Ошибка",
+                MessageBoxButtons.OK, MessageBoxIcon.Error);
+                return;
+            }
+            var count = (int)numericUpDownCount.Value;
+            var pastry = _pastryLogic.ReadElement(new() { Id = (int)comboBoxPastry.SelectedValue });
+            if (pastry == null || !_shopLogic.SellPastries(pastry, count))
+            {
+                MessageBox.Show("Не удалось продать изделия. Информацию смотрите в логах", "Ошибка",
+                MessageBoxButtons.OK, MessageBoxIcon.Error);
+                return;
+            }
+            DialogResult = DialogResult.OK;
+            Close();
+        }
+
+        private void ButtonCancel_Click(object sender, EventArgs e)
+        {
+            DialogResult = DialogResult.Cancel;
+            Close();
+        }
+    }
+}

Confectionery/FormSellPastry.resx

@@ -0,0 +1,60 @@
+<root>
+  <xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
+    <xsd:import namespace="http://www.w3.org/XML/1998/namespace" />
+    <xsd:element name="root" msdata:IsDataSet="true">
+      <xsd:complexType>
+        <xsd:choice maxOccurs="unbounded">
+          <xsd:element name="metadata">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" />
+              </xsd:sequence>
+              <xsd:attribute name="name" use="required" type="xsd:string" />
+              <xsd:attribute name="type" type="xsd:string" />
+              <xsd:attribute name="mimetype" type="xsd:string" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="assembly">
+            <xsd:complexType>
+              <xsd:attribute name="alias" type="xsd:string" />
+              <xsd:attribute name="name" type="xsd:string" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="data">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+                <xsd:element name="comment" type="xsd:string" minOccurs="0" msdata:Ordinal="2" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" msdata:Ordinal="1" />
+              <xsd:attribute name="type" type="xsd:string" msdata:Ordinal="3" />
+              <xsd:attribute name="mimetype" type="xsd:string" msdata:Ordinal="4" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="resheader">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" />
+            </xsd:complexType>
+          </xsd:element>
+        </xsd:choice>
+      </xsd:complexType>
+    </xsd:element>
+  </xsd:schema>
+  <resheader name="resmimetype">
+    <value>text/microsoft-resx</value>
+  </resheader>
+  <resheader name="version">
+    <value>2.0</value>
+  </resheader>
+  <resheader name="reader">
+    <value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+  <resheader name="writer">
+    <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+</root>

Confectionery/FormShop.Designer.cs

@@ -0,0 +1,217 @@
+namespace ConfectioneryView
+{
+    partial class FormShop
+    {
+        /// <summary>
+        /// Required designer variable.
+        /// </summary>
+        private System.ComponentModel.IContainer components = null;
+
+        /// <summary>
+        /// Clean up any resources being used.
+        /// </summary>
+        /// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
+        protected override void Dispose(bool disposing)
+        {
+            if (disposing && (components != null))
+            {
+                components.Dispose();
+            }
+            base.Dispose(disposing);
+        }
+
+        #region Windows Form Designer generated code
+
+        /// <summary>
+        /// Required method for Designer support - do not modify
+        /// the contents of this method with the code editor.
+        /// </summary>
+        private void InitializeComponent()
+        {
+            this.label1 = new System.Windows.Forms.Label();
+            this.comboBoxShop = new System.Windows.Forms.ComboBox();
+            this.dataGridView = new System.Windows.Forms.DataGridView();
+            this.PastryName = new System.Windows.Forms.DataGridViewTextBoxColumn();
+            this.Price = new System.Windows.Forms.DataGridViewTextBoxColumn();
+            this.Count = new System.Windows.Forms.DataGridViewTextBoxColumn();
+            this.label2 = new System.Windows.Forms.Label();
+            this.label3 = new System.Windows.Forms.Label();
+            this.textBoxAddress = new System.Windows.Forms.TextBox();
+            this.textBoxDateOpening = new System.Windows.Forms.TextBox();
+            this.buttonCancel = new System.Windows.Forms.Button();
+            this.buttonSave = new System.Windows.Forms.Button();
+            this.label4 = new System.Windows.Forms.Label();
+            this.numericUpDownMaxPastry = new System.Windows.Forms.NumericUpDown();
+            ((System.ComponentModel.ISupportInitialize)(this.dataGridView)).BeginInit();
+            ((System.ComponentModel.ISupportInitialize)(this.numericUpDownMaxPastry)).BeginInit();
+            this.SuspendLayout();
+            // 
+            // label1
+            // 
+            this.label1.AutoSize = true;
+            this.label1.Location = new System.Drawing.Point(12, 9);
+            this.label1.Name = "label1";
+            this.label1.Size = new System.Drawing.Size(116, 15);
+            this.label1.TabIndex = 0;
+            this.label1.Text = "Название магазина:";
+            // 
+            // comboBoxShop
+            // 
+            this.comboBoxShop.FormattingEnabled = true;
+            this.comboBoxShop.Location = new System.Drawing.Point(12, 27);
+            this.comboBoxShop.Name = "comboBoxShop";
+            this.comboBoxShop.Size = new System.Drawing.Size(141, 23);
+            this.comboBoxShop.TabIndex = 1;
+            this.comboBoxShop.SelectedIndexChanged += new System.EventHandler(this.ComboBoxShop_SelectedIndexChanged);
+            // 
+            // dataGridView
+            // 
+            this.dataGridView.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom) 
+            | System.Windows.Forms.AnchorStyles.Left) 
+            | System.Windows.Forms.AnchorStyles.Right)));
+            this.dataGridView.ColumnHeadersHeightSizeMode = System.Windows.Forms.DataGridViewColumnHeadersHeightSizeMode.AutoSize;
+            this.dataGridView.Columns.AddRange(new System.Windows.Forms.DataGridViewColumn[] {
+            this.PastryName,
+            this.Price,
+            this.Count});
+            this.dataGridView.Location = new System.Drawing.Point(12, 64);
+            this.dataGridView.Name = "dataGridView";
+            this.dataGridView.RowTemplate.Height = 25;
+            this.dataGridView.Size = new System.Drawing.Size(640, 213);
+            this.dataGridView.TabIndex = 2;
+            // 
+            // PastryName
+            // 
+            this.PastryName.AutoSizeMode = System.Windows.Forms.DataGridViewAutoSizeColumnMode.Fill;
+            this.PastryName.HeaderText = "Имя изделия";
+            this.PastryName.Name = "PastryName";
+            // 
+            // Price
+            // 
+            this.Price.HeaderText = "Цена";
+            this.Price.Name = "Price";
+            // 
+            // Count
+            // 
+            this.Count.HeaderText = "Количество";
+            this.Count.Name = "Count";
+            // 
+            // label2
+            // 
+            this.label2.AutoSize = true;
+            this.label2.Location = new System.Drawing.Point(159, 9);
+            this.label2.Name = "label2";
+            this.label2.Size = new System.Drawing.Size(97, 15);
+            this.label2.TabIndex = 3;
+            this.label2.Text = "Адрес магазина:";
+            // 
+            // label3
+            // 
+            this.label3.AutoSize = true;
+            this.label3.Location = new System.Drawing.Point(366, 9);
+            this.label3.Name = "label3";
+            this.label3.Size = new System.Drawing.Size(100, 15);
+            this.label3.TabIndex = 4;
+            this.label3.Text = "Время открытия:";
+            // 
+            // textBoxAddress
+            // 
+            this.textBoxAddress.Location = new System.Drawing.Point(159, 27);
+            this.textBoxAddress.Name = "textBoxAddress";
+            this.textBoxAddress.Size = new System.Drawing.Size(201, 23);
+            this.textBoxAddress.TabIndex = 5;
+            // 
+            // textBoxDateOpening
+            // 
+            this.textBoxDateOpening.Location = new System.Drawing.Point(366, 27);
+            this.textBoxDateOpening.Name = "textBoxDateOpening";
+            this.textBoxDateOpening.Size = new System.Drawing.Size(160, 23);
+            this.textBoxDateOpening.TabIndex = 6;
+            // 
+            // buttonCancel
+            // 
+            this.buttonCancel.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right)));
+            this.buttonCancel.Location = new System.Drawing.Point(549, 283);
+            this.buttonCancel.Name = "buttonCancel";
+            this.buttonCancel.Size = new System.Drawing.Size(103, 23);
+            this.buttonCancel.TabIndex = 7;
+            this.buttonCancel.Text = "Отмена";
+            this.buttonCancel.UseVisualStyleBackColor = true;
+            this.buttonCancel.Click += new System.EventHandler(this.ButtonCancel_Click);
+            // 
+            // buttonSave
+            // 
+            this.buttonSave.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right)));
+            this.buttonSave.Location = new System.Drawing.Point(423, 284);
+            this.buttonSave.Name = "buttonSave";
+            this.buttonSave.Size = new System.Drawing.Size(120, 22);
+            this.buttonSave.TabIndex = 8;
+            this.buttonSave.Text = "Сохранить";
+            this.buttonSave.UseVisualStyleBackColor = true;
+            this.buttonSave.Click += new System.EventHandler(this.ButtonSave_Click);
+            // 
+            // label4
+            // 
+            this.label4.AutoSize = true;
+            this.label4.Location = new System.Drawing.Point(530, 9);
+            this.label4.Name = "label4";
+            this.label4.Size = new System.Drawing.Size(118, 15);
+            this.label4.TabIndex = 9;
+            this.label4.Text = "Максимум изделий:";
+            // 
+            // numericUpDownMaxPastry
+            // 
+            this.numericUpDownMaxPastry.Location = new System.Drawing.Point(532, 27);
+            this.numericUpDownMaxPastry.Maximum = new decimal(new int[] {
+            10000000,
+            0,
+            0,
+            0});
+            this.numericUpDownMaxPastry.Name = "numericUpDownMaxPastry";
+            this.numericUpDownMaxPastry.Size = new System.Drawing.Size(120, 23);
+            this.numericUpDownMaxPastry.TabIndex = 10;
+            // 
+            // FormShop
+            // 
+            this.AutoScaleDimensions = new System.Drawing.SizeF(7F, 15F);
+            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
+            this.ClientSize = new System.Drawing.Size(664, 317);
+            this.Controls.Add(this.numericUpDownMaxPastry);
+            this.Controls.Add(this.label4);
+            this.Controls.Add(this.buttonSave);
+            this.Controls.Add(this.buttonCancel);
+            this.Controls.Add(this.textBoxDateOpening);
+            this.Controls.Add(this.textBoxAddress);
+            this.Controls.Add(this.label3);
+            this.Controls.Add(this.label2);
+            this.Controls.Add(this.dataGridView);
+            this.Controls.Add(this.comboBoxShop);
+            this.Controls.Add(this.label1);
+            this.Name = "FormShop";
+            this.Text = "Просмотр изделий магазина";
+            this.Load += new System.EventHandler(this.FormShop_Load);
+            ((System.ComponentModel.ISupportInitialize)(this.dataGridView)).EndInit();
+            ((System.ComponentModel.ISupportInitialize)(this.numericUpDownMaxPastry)).EndInit();
+            this.ResumeLayout(false);
+            this.PerformLayout();
+
+        }
+
+        #endregion
+
+        private Label label1;
+        private ComboBox comboBoxShop;
+        private DataGridView dataGridView;
+        private Label label2;
+        private Label label3;
+        private TextBox textBoxAddress;
+        private TextBox textBoxDateOpening;
+        private Button buttonCancel;
+        private Button buttonSave;
+        private DataGridViewTextBoxColumn PastryName;
+        private DataGridViewTextBoxColumn Price;
+        private DataGridViewTextBoxColumn Count;
+        private Label label4;
+        private NumericUpDown numericUpDownMaxPastry;
+    }
+}

Confectionery/FormShop.cs

@@ -0,0 +1,159 @@
+using ConfectioneryContracts.BindingModels;
+using ConfectioneryContracts.BusinessLogicsContracts;
+using ConfectioneryContracts.ViewModels;
+using ConfectioneryDataModels;
+using ConfectioneryDataModels.Models;
+using Microsoft.Extensions.Logging;
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Data;
+using System.Drawing;
+using System.Linq;
+using System.Security.Cryptography;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows.Forms;
+
+namespace ConfectioneryView
+{
+    public partial class FormShop : Form
+    {
+        private readonly List<ShopViewModel>? _listShops;
+        private readonly IShopLogic _logic;
+        private readonly ILogger _logger;
+
+        public int Id
+        {
+            get; set;
+        }
+
+        private IShopModel? GetShop(int id)
+        {
+            if (_listShops == null)
+            {
+                return null;
+            }
+            foreach (var elem in _listShops)
+            {
+                if (elem.Id == id)
+                {
+                    return elem;
+                }
+            }
+            return null;
+        }
+
+        public FormShop(ILogger<FormShop> logger, IShopLogic logic)
+        {
+            InitializeComponent();
+            _logger = logger;
+            _listShops = logic.ReadList(null);
+            _logic = logic;
+            if (_listShops != null)
+            {
+                comboBoxShop.DisplayMember = "Name";
+                comboBoxShop.ValueMember = "Id";
+                comboBoxShop.DataSource = _listShops;
+                comboBoxShop.SelectedItem = null;
+            }
+        }
+
+        private void LoadData(bool extendDate = true)
+        {
+            try
+            {
+                var model = GetShop(extendDate ? Id : Convert.ToInt32(comboBoxShop.SelectedValue));
+                if (model != null)
+                {
+                    numericUpDownMaxPastry.Value = model.MaxCountPastries;
+                    comboBoxShop.Text = model.Name;
+                    textBoxAddress.Text = model.Address;
+                    textBoxDateOpening.Text = Convert.ToString(model.DateOpening);
+                    dataGridView.Rows.Clear();
+                    foreach (var el in model.Pastries.Values)
+                    {
+                        dataGridView.Rows.Add(new object[]{el.Item1.PastryName, el.Item1.Price, el.Item2 });
+                    }
+                }
+                _logger.LogInformation("Загрузка магазинов");
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Ошибка загрузки магазинов");
+                MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK,
+                MessageBoxIcon.Error);
+            }
+        }
+
+        private void ComboBoxShop_SelectedIndexChanged(object sender, EventArgs e)
+        {
+            LoadData(false);
+        }
+
+        private void ButtonSave_Click(object sender, EventArgs e)
+        {
+            if (string.IsNullOrEmpty(comboBoxShop.Text))
+            {
+                MessageBox.Show("Заполните название", "Ошибка",
+                MessageBoxButtons.OK, MessageBoxIcon.Error);
+                return;
+            }
+            if (string.IsNullOrEmpty(textBoxAddress.Text))
+            {
+                MessageBox.Show("Заполните адрес", "Ошибка", MessageBoxButtons.OK,
+                MessageBoxIcon.Error);
+                return;
+            }
+            _logger.LogInformation("Сохранение изделия");
+            try
+            {
+                DateTime.TryParse(textBoxDateOpening.Text, out var dateTime);
+                ShopBindingModel model = new()
+                {
+                    Name = comboBoxShop.Text,
+                    Address = textBoxAddress.Text,
+                    DateOpening = dateTime,
+                    MaxCountPastries = (int)numericUpDownMaxPastry.Value,
+                };
+                var vmodel = GetShop(Id);
+                bool operationResult = false;
+
+                if (vmodel != null)
+                {
+                    model.Id = vmodel.Id;
+                    operationResult = _logic.Update(model);
+                }
+                else
+                {
+                    operationResult = _logic.Create(model);
+                }
+                if (!operationResult)
+                {
+                    throw new Exception("Ошибка при сохранении. Дополнительная информация в логах.");
+                }
+                MessageBox.Show("Сохранение прошло успешно", "Сообщение",
+                MessageBoxButtons.OK, MessageBoxIcon.Information);
+                DialogResult = DialogResult.OK;
+                Close();
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Ошибка сохранения изделия");
+                MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
+            }
+        }
+
+        private void ButtonCancel_Click(object sender, EventArgs e)
+        {
+            DialogResult = DialogResult.Cancel;
+            Close();
+        }
+
+        private void FormShop_Load(object sender, EventArgs e)
+        {
+            LoadData();
+        }
+    }
+}

Confectionery/FormShop.resx

@@ -0,0 +1,78 @@
+<root>
+  <xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
+    <xsd:import namespace="http://www.w3.org/XML/1998/namespace" />
+    <xsd:element name="root" msdata:IsDataSet="true">
+      <xsd:complexType>
+        <xsd:choice maxOccurs="unbounded">
+          <xsd:element name="metadata">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" />
+              </xsd:sequence>
+              <xsd:attribute name="name" use="required" type="xsd:string" />
+              <xsd:attribute name="type" type="xsd:string" />
+              <xsd:attribute name="mimetype" type="xsd:string" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="assembly">
+            <xsd:complexType>
+              <xsd:attribute name="alias" type="xsd:string" />
+              <xsd:attribute name="name" type="xsd:string" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="data">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+                <xsd:element name="comment" type="xsd:string" minOccurs="0" msdata:Ordinal="2" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" msdata:Ordinal="1" />
+              <xsd:attribute name="type" type="xsd:string" msdata:Ordinal="3" />
+              <xsd:attribute name="mimetype" type="xsd:string" msdata:Ordinal="4" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="resheader">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" />
+            </xsd:complexType>
+          </xsd:element>
+        </xsd:choice>
+      </xsd:complexType>
+    </xsd:element>
+  </xsd:schema>
+  <resheader name="resmimetype">
+    <value>text/microsoft-resx</value>
+  </resheader>
+  <resheader name="version">
+    <value>2.0</value>
+  </resheader>
+  <resheader name="reader">
+    <value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+  <resheader name="writer">
+    <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+  <metadata name="PastryName.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="PastryName.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>
+</root>

Confectionery/FormViewShops.Designer.cs

@@ -0,0 +1,121 @@
+namespace ConfectioneryView
+{
+    partial class FormViewShops
+    {
+        /// <summary>
+        /// Required designer variable.
+        /// </summary>
+        private System.ComponentModel.IContainer components = null;
+
+        /// <summary>
+        /// Clean up any resources being used.
+        /// </summary>
+        /// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
+        protected override void Dispose(bool disposing)
+        {
+            if (disposing && (components != null))
+            {
+                components.Dispose();
+            }
+            base.Dispose(disposing);
+        }
+
+        #region Windows Form Designer generated code
+
+        /// <summary>
+        /// Required method for Designer support - do not modify
+        /// the contents of this method with the code editor.
+        /// </summary>
+        private void InitializeComponent()
+        {
+            this.buttonRef = new System.Windows.Forms.Button();
+            this.buttonDel = new System.Windows.Forms.Button();
+            this.buttonUpd = new System.Windows.Forms.Button();
+            this.buttonAdd = new System.Windows.Forms.Button();
+            this.dataGridView = new System.Windows.Forms.DataGridView();
+            ((System.ComponentModel.ISupportInitialize)(this.dataGridView)).BeginInit();
+            this.SuspendLayout();
+            // 
+            // buttonRef
+            // 
+            this.buttonRef.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Right)));
+            this.buttonRef.Location = new System.Drawing.Point(685, 202);
+            this.buttonRef.Name = "buttonRef";
+            this.buttonRef.Size = new System.Drawing.Size(90, 37);
+            this.buttonRef.TabIndex = 14;
+            this.buttonRef.Text = "Обновить";
+            this.buttonRef.UseVisualStyleBackColor = true;
+            this.buttonRef.Click += new System.EventHandler(this.ButtonRef_Click);
+            // 
+            // buttonDel
+            // 
+            this.buttonDel.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Right)));
+            this.buttonDel.Location = new System.Drawing.Point(685, 151);
+            this.buttonDel.Name = "buttonDel";
+            this.buttonDel.Size = new System.Drawing.Size(90, 33);
+            this.buttonDel.TabIndex = 13;
+            this.buttonDel.Text = "Удалить";
+            this.buttonDel.UseVisualStyleBackColor = true;
+            this.buttonDel.Click += new System.EventHandler(this.ButtonDel_Click);
+            // 
+            // buttonUpd
+            // 
+            this.buttonUpd.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Right)));
+            this.buttonUpd.Location = new System.Drawing.Point(685, 102);
+            this.buttonUpd.Name = "buttonUpd";
+            this.buttonUpd.Size = new System.Drawing.Size(90, 34);
+            this.buttonUpd.TabIndex = 12;
+            this.buttonUpd.Text = "Изменить";
+            this.buttonUpd.UseVisualStyleBackColor = true;
+            this.buttonUpd.Click += new System.EventHandler(this.ButtonUpd_Click);
+            // 
+            // buttonAdd
+            // 
+            this.buttonAdd.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Right)));
+            this.buttonAdd.Location = new System.Drawing.Point(685, 57);
+            this.buttonAdd.Name = "buttonAdd";
+            this.buttonAdd.Size = new System.Drawing.Size(90, 30);
+            this.buttonAdd.TabIndex = 11;
+            this.buttonAdd.Text = "Добавить";
+            this.buttonAdd.UseVisualStyleBackColor = true;
+            this.buttonAdd.Click += new System.EventHandler(this.ButtonAdd_Click);
+            // 
+            // dataGridView
+            // 
+            this.dataGridView.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom) 
+            | System.Windows.Forms.AnchorStyles.Left) 
+            | System.Windows.Forms.AnchorStyles.Right)));
+            this.dataGridView.ColumnHeadersHeightSizeMode = System.Windows.Forms.DataGridViewColumnHeadersHeightSizeMode.AutoSize;
+            this.dataGridView.Location = new System.Drawing.Point(12, 12);
+            this.dataGridView.Name = "dataGridView";
+            this.dataGridView.RowTemplate.Height = 25;
+            this.dataGridView.Size = new System.Drawing.Size(540, 379);
+            this.dataGridView.TabIndex = 10;
+            // 
+            // FormViewShops
+            // 
+            this.AutoScaleDimensions = new System.Drawing.SizeF(7F, 15F);
+            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
+            this.ClientSize = new System.Drawing.Size(787, 403);
+            this.Controls.Add(this.buttonRef);
+            this.Controls.Add(this.buttonDel);
+            this.Controls.Add(this.buttonUpd);
+            this.Controls.Add(this.buttonAdd);
+            this.Controls.Add(this.dataGridView);
+            this.Name = "FormViewShops";
+            this.Text = "Просмотр магазинов";
+            this.Load += new System.EventHandler(this.FormShops_Load);
+            ((System.ComponentModel.ISupportInitialize)(this.dataGridView)).EndInit();
+            this.ResumeLayout(false);
+
+        }
+
+        #endregion
+
+        private Button buttonRef;
+        private Button buttonDel;
+        private Button buttonUpd;
+        private Button buttonAdd;
+        private DataGridView dataGridView;
+    }
+}

Confectionery/FormViewShops.cs

@@ -0,0 +1,105 @@
+using ConfectioneryContracts.BindingModels;
+using ConfectioneryContracts.BusinessLogicsContracts;
+using Microsoft.Extensions.Logging;
+
+namespace ConfectioneryView
+{
+    public partial class FormViewShops : Form
+    {
+        private readonly ILogger _logger;
+        private readonly IShopLogic _logic;
+        public FormViewShops(ILogger<FormViewShops> logger, IShopLogic logic)
+        {
+            InitializeComponent();
+            _logger = logger;
+            _logic = logic;
+        }
+        private void FormShops_Load(object sender, EventArgs e)
+        {
+            LoadData();
+        }
+        private void LoadData()
+        {
+            try
+            {
+                var list = _logic.ReadList(null);
+                if (list != null)
+                {
+                    dataGridView.DataSource = list;
+                    
+                    dataGridView.Columns["Id"].Visible = false;
+                    dataGridView.Columns["Pastries"].Visible = false;
+                    dataGridView.Columns["Name"].AutoSizeMode =
+                    DataGridViewAutoSizeColumnMode.Fill;
+                }
+                _logger.LogInformation("Загрузка магазинов");
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Ошибка загрузки магазинов");
+                MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK,
+                MessageBoxIcon.Error);
+            }
+        }
+        private void ButtonAdd_Click(object sender, EventArgs e)
+        {
+            var service = Program.ServiceProvider?.GetService(typeof(FormShop));
+            if (service is FormShop form)
+            {
+                if (form.ShowDialog() == DialogResult.OK)
+                {
+                    LoadData();
+                }
+            }
+        }
+        private void ButtonUpd_Click(object sender, EventArgs e)
+        {
+            if (dataGridView.SelectedRows.Count == 1)
+            {
+                var service = Program.ServiceProvider?.GetService(typeof(FormShop));
+                if (service is FormShop form)
+                {
+                    form.Id = Convert.ToInt32(dataGridView.SelectedRows[0].Cells["Id"].Value);
+                    if (form.ShowDialog() == DialogResult.OK)
+                    {
+                        LoadData();
+                    }
+                }
+            }
+        }
+        private void ButtonDel_Click(object sender, EventArgs e)
+        {
+            if (dataGridView.SelectedRows.Count == 1)
+            {
+                if (MessageBox.Show("Удалить запись?", "Вопрос",
+                MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.Yes)
+                {
+                    int id =
+                    Convert.ToInt32(dataGridView.SelectedRows[0].Cells["Id"].Value);
+                    _logger.LogInformation("Удаление магазина");
+                    try
+                    {
+                        if (!_logic.Delete(new ShopBindingModel
+                        {
+                            Id = id
+                        }))
+                        {
+                            throw new Exception("Ошибка при удалении. Дополнительная информация в логах.");
+                        }
+                        LoadData();
+                    }
+                    catch (Exception ex)
+                    {
+                        _logger.LogError(ex, "Ошибка удаления магазина");
+                        MessageBox.Show(ex.Message, "Ошибка",
+                        MessageBoxButtons.OK, MessageBoxIcon.Error);
+                    }
+                }
+            }
+        }
+        private void ButtonRef_Click(object sender, EventArgs e)
+        {
+            LoadData();
+        }
+    }
+}

Confectionery/FormViewShops.resx

@@ -0,0 +1,60 @@
+<root>
+  <xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
+    <xsd:import namespace="http://www.w3.org/XML/1998/namespace" />
+    <xsd:element name="root" msdata:IsDataSet="true">
+      <xsd:complexType>
+        <xsd:choice maxOccurs="unbounded">
+          <xsd:element name="metadata">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" />
+              </xsd:sequence>
+              <xsd:attribute name="name" use="required" type="xsd:string" />
+              <xsd:attribute name="type" type="xsd:string" />
+              <xsd:attribute name="mimetype" type="xsd:string" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="assembly">
+            <xsd:complexType>
+              <xsd:attribute name="alias" type="xsd:string" />
+              <xsd:attribute name="name" type="xsd:string" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="data">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+                <xsd:element name="comment" type="xsd:string" minOccurs="0" msdata:Ordinal="2" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" msdata:Ordinal="1" />
+              <xsd:attribute name="type" type="xsd:string" msdata:Ordinal="3" />
+              <xsd:attribute name="mimetype" type="xsd:string" msdata:Ordinal="4" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="resheader">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" />
+            </xsd:complexType>
+          </xsd:element>
+        </xsd:choice>
+      </xsd:complexType>
+    </xsd:element>
+  </xsd:schema>
+  <resheader name="resmimetype">
+    <value>text/microsoft-resx</value>
+  </resheader>
+  <resheader name="version">
+    <value>2.0</value>
+  </resheader>
+  <resheader name="reader">
+    <value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+  <resheader name="writer">
+    <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+</root>

Confectionery/Program.cs

@@ -6,7 +6,7 @@ using ConfectioneryFileImplement;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Logging;
 using NLog.Extensions.Logging;
-
+using ConfectioneryBusinessLogic;
 
 namespace ConfectioneryView
 {
@@ -38,9 +38,11 @@ namespace ConfectioneryView
             services.AddTransient<IComponentStorage, ComponentStorage>();
             services.AddTransient<IOrderStorage, OrderStorage>();
             services.AddTransient<IPastryStorage, PastryStorage>();
+            services.AddTransient<IShopStorage, ShopStorage>();
             services.AddTransient<IComponentLogic, ComponentLogic>();
             services.AddTransient<IOrderLogic, OrderLogic>();
             services.AddTransient<IPastryLogic, PastryLogic>();
+            services.AddTransient<IShopLogic, ShopLogic>();
             services.AddTransient<FormMain>();
             services.AddTransient<FormComponent>();
             services.AddTransient<FormComponents>();
@@ -48,6 +50,10 @@ namespace ConfectioneryView
             services.AddTransient<FormPastry>();
             services.AddTransient<FormPastryComponent>();
             services.AddTransient<FormViewPastry>();
+            services.AddTransient<FormAddPastryInShop>();
+            services.AddTransient<FormViewShops>();
+            services.AddTransient<FormShop>();
+            services.AddTransient<FormSellPastry>();
         }
     }
 }

ConfectioneryContracts/BindingModels/ShopBindingModel.cs

@@ -0,0 +1,24 @@
+using ConfectioneryDataModels;
+using ConfectioneryDataModels.Models;
+
+namespace ConfectioneryContracts.BindingModels
+{
+    public class ShopBindingModel : IShopModel
+    {
+        public string Name { get; set; } = string.Empty;
+
+        public string Address { get; set; } = string.Empty;
+
+        public int MaxCountPastries { get; set; }
+
+        public DateTime DateOpening { get; set; } = DateTime.Now;
+
+        public Dictionary<int, (IPastryModel, int)> Pastries
+        {
+            get;
+            set;
+        } = new();
+
+        public int Id { get; set; }
+    }
+}

ConfectioneryContracts/BusinessLogicsContracts/IShopLogic.cs

@@ -0,0 +1,20 @@
+using ConfectioneryContracts.BindingModels;
+using ConfectioneryContracts.SearchModels;
+using ConfectioneryContracts.ViewModels;
+using ConfectioneryDataModels.Models;
+
+namespace ConfectioneryContracts.BusinessLogicsContracts
+{
+    public interface IShopLogic
+    {
+        List<ShopViewModel>? ReadList(ShopSearchModel? model);
+        ShopViewModel? ReadElement(ShopSearchModel model);
+        bool Create(ShopBindingModel model);
+        bool Update(ShopBindingModel model);
+        bool Delete(ShopBindingModel model);
+        bool AddPastry(ShopSearchModel model, IPastryModel pastry, int count);
+        int GetFreePlacesWithPastriesInShops(int countPastries);
+        bool AddPastriesInShops(IPastryModel pastry, int count);
+        public bool SellPastries(IPastryModel pastry, int needCount);
+    }
+}

ConfectioneryContracts/SearchModels/ShopSearchModel.cs

@@ -0,0 +1,9 @@
+
+namespace ConfectioneryContracts.SearchModels
+{
+    public class ShopSearchModel
+    {
+        public int? Id { get; set; }
+        public string? Name { get; set; }
+    }
+}

ConfectioneryContracts/StoragesContract/IShopStorage.cs

@@ -0,0 +1,20 @@
+using ConfectioneryContracts.BindingModels;
+using ConfectioneryContracts.SearchModels;
+using ConfectioneryContracts.ViewModels;
+using ConfectioneryDataModels.Models;
+
+namespace ConfectioneryContracts.StoragesContract
+{
+    public interface IShopStorage
+    {
+        List<ShopViewModel> GetFullList();
+        List<ShopViewModel> GetFilteredList(ShopSearchModel model);
+        ShopViewModel? GetElement(ShopSearchModel model);
+        ShopViewModel? Insert(ShopBindingModel model);
+        ShopViewModel? Update(ShopBindingModel model);
+        ShopViewModel? Delete(ShopBindingModel model);
+
+        bool HasNeedPastries(IPastryModel pastry, int needCount);
+        public bool SellPastries(IPastryModel pastry, int needCount);
+    }
+}

ConfectioneryContracts/ViewModels/ShopViewModel.cs

@@ -0,0 +1,30 @@
+using ConfectioneryDataModels;
+using ConfectioneryDataModels.Models;
+using System.ComponentModel;
+
+namespace ConfectioneryContracts.ViewModels
+{
+    public class ShopViewModel : IShopModel
+    {
+        [DisplayName("Название магазина")]
+        public string Name { get; set; } = string.Empty;
+
+        [DisplayName("Адрес магазина")]
+        public string Address { get; set; } = string.Empty;
+
+        [DisplayName("Максимальное количество изделий в магазине")]
+        public int MaxCountPastries { get; set; }
+
+        [DisplayName("Время открытия")]
+        public DateTime DateOpening { get; set; } = DateTime.Now;
+
+        public Dictionary<int, (IPastryModel, int)> Pastries
+        {
+            get;
+            set;
+        } = new();
+
+        public int Id { get; set; }
+
+    }
+}

ConfectioneryDataModels/IShopModel.cs

@@ -0,0 +1,13 @@
+using ConfectioneryDataModels.Models;
+
+namespace ConfectioneryDataModels
+{
+    public interface IShopModel : IId
+    {
+        string Name { get; }
+        string Address { get; }
+        int MaxCountPastries { get; }
+        DateTime DateOpening { get; }
+        Dictionary<int, (IPastryModel, int)> Pastries { get; }
+    }
+}