GiftShop/GiftShop.sln

@@ -11,7 +11,9 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "GiftShopContracts", "GiftSh
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "GiftShopListImplement", "GiftShopListImplement\GiftShopListImplement.csproj", "{5B83AC94-55AC-45CA-8C44-0D0F34E17666}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "GiftShopBusinessLogic", "GiftShopBusinessLogic\GiftShopBusinessLogic.csproj", "{07C14020-5905-4CCC-9DAC-53507C8F28F8}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "GiftShopBusinessLogic", "GiftShopBusinessLogic\GiftShopBusinessLogic.csproj", "{07C14020-5905-4CCC-9DAC-53507C8F28F8}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "GiftShopFileImplement", "GiftShopFileImplement\GiftShopFileImplement.csproj", "{05AE2E86-5464-4B1F-BE91-60FA43CE69F1}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
@@ -39,6 +41,10 @@ Global
 		{07C14020-5905-4CCC-9DAC-53507C8F28F8}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{07C14020-5905-4CCC-9DAC-53507C8F28F8}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{07C14020-5905-4CCC-9DAC-53507C8F28F8}.Release|Any CPU.Build.0 = Release|Any CPU
+		{05AE2E86-5464-4B1F-BE91-60FA43CE69F1}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{05AE2E86-5464-4B1F-BE91-60FA43CE69F1}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{05AE2E86-5464-4B1F-BE91-60FA43CE69F1}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{05AE2E86-5464-4B1F-BE91-60FA43CE69F1}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

GiftShop/GiftShopBusinessLogic/BusinessLogics/OrderLogic.cs

@@ -45,6 +45,7 @@ namespace GiftShopBusinessLogic.BusinessLogics
         public bool StatusUpdate(OrderBindingModel model, OrderStatus newStatus)
         {
             var viewModel = _orderStorage.GetElement(new OrderSearchModel { Id = model.Id });
+            //CheckModel(model);
 
             if (model.Status + 1 != newStatus)
             {
@@ -60,7 +61,7 @@ namespace GiftShopBusinessLogic.BusinessLogics
             {
                 model.DateImplement = viewModel.DateImplement;
             }
-            CheckModel(model, false);
+            CheckModel(model);
 
             if (_orderStorage.Update(model) == null)
             {

GiftShop/GiftShopFileImplement/DataFileSingleton.cs

@@ -0,0 +1,62 @@
+using GiftShopFileImplement.Models;
+using System.Xml.Linq;
+
+namespace GiftShopFileImplement
+{
+    internal class DataFileSingleton
+    {
+        private static DataFileSingleton? instance;
+
+        private readonly string ComponentFileName = "Component.xml";
+
+        private readonly string OrderFileName = "Order.xml";
+
+        private readonly string GiftFileName = "Gift.xml";
+
+        public List<Component> Components { get; private set; }
+
+        public List<Order> Orders { get; private set; }
+
+        public List<Gift> Gifts { get; private set; }
+
+        public static DataFileSingleton GetInstance()
+        {
+            if (instance == null)
+            {
+                instance = new DataFileSingleton();
+            }
+            return instance;
+        }
+
+        public void SaveComponents() => SaveData(Components, ComponentFileName, "Components", x => x.GetXElement);
+
+        public void SaveGifts() => SaveData(Gifts, GiftFileName, "Gifts", x => x.GetXElement);
+
+        public void SaveOrders() => SaveData(Orders, OrderFileName, "Orders", x => x.GetXElement);
+
+        private DataFileSingleton()
+        {
+            Components = LoadData(ComponentFileName, "Component", x => Component.Create(x)!)!;
+            Gifts = LoadData(GiftFileName, "Gift", x => Gift.Create(x)!)!;
+            Orders = LoadData(OrderFileName, "Order", x => Order.Create(x)!)!;
+        }
+
+        private static List<T>? LoadData<T>(string filename, string xmlNodeName, Func<XElement, T> selectFunction)
+        {
+            if (File.Exists(filename))
+            {
+                return XDocument.Load(filename)?.Root?.Elements(xmlNodeName)?.Select(selectFunction)?.ToList();
+            }
+            return new List<T>();
+        }
+
+        private static void SaveData<T>(List<T> data, string filename, 
+            string xmlNodeName, Func<T, XElement> selectFunction)
+        {
+            if (data != null)
+            {
+                new XDocument(new XElement(xmlNodeName, data.Select(selectFunction).ToArray())).Save(filename);
+            }
+        }
+    }
+}

GiftShop/GiftShopFileImplement/GiftShopFileImplement.csproj

@@ -0,0 +1,14 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net6.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\GiftShopContracts\GiftShopContracts.csproj" />
+    <ProjectReference Include="..\GiftShopDataModels\GiftShopDataModels.csproj" />
+  </ItemGroup>
+
+</Project>

GiftShop/GiftShopFileImplement/Implements/ComponentStorage.cs

@@ -0,0 +1,85 @@
+using GiftShopContracts.BindingModels;
+using GiftShopContracts.SearchModels;
+using GiftShopContracts.StoragesContracts;
+using GiftShopContracts.ViewModels;
+using GiftShopFileImplement.Models;
+
+namespace GiftShopFileImplement.Implements
+{
+    public class ComponentStorage : IComponentStorage
+    {
+        private readonly DataFileSingleton source;
+
+        public ComponentStorage()
+        {
+            source = DataFileSingleton.GetInstance();
+        }
+
+        public List<ComponentViewModel> GetFullList()
+        {
+            return source.Components
+                .Select(x => x.GetViewModel)
+                .ToList();
+        }
+
+        public List<ComponentViewModel> GetFilteredList(ComponentSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.ComponentName))
+            {
+                return new();
+            }
+            return source.Components
+                .Where(x => x.ComponentName.Contains(model.ComponentName))
+                .Select(x => x.GetViewModel).ToList();
+        }
+
+        public ComponentViewModel? GetElement(ComponentSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.ComponentName) && !model.Id.HasValue)
+            {
+                return null;
+            }
+            return source.Components
+                .FirstOrDefault(x => (!string.IsNullOrEmpty(model.ComponentName) 
+                && x.ComponentName == model.ComponentName) || (model.Id.HasValue 
+                && x.Id == model.Id)) ?.GetViewModel;
+        }
+
+        public ComponentViewModel? Insert(ComponentBindingModel model)
+        {
+            model.Id = source.Components.Count > 0 ? source.Components.Max(x => x.Id) + 1 : 1;
+            var newComponent = Component.Create(model);
+            if (newComponent == null)
+            {
+                return null;
+            }
+            source.Components.Add(newComponent);
+            source.SaveComponents();
+            return newComponent.GetViewModel;
+        }
+
+        public ComponentViewModel? Update(ComponentBindingModel model)
+        {
+            var component = source.Components.FirstOrDefault(x => x.Id == model.Id);
+            if (component == null)
+            {
+                return null;
+            }
+            component.Update(model);
+            source.SaveComponents();
+            return component.GetViewModel;
+        }
+
+        public ComponentViewModel? Delete(ComponentBindingModel model)
+        {
+            var element = source.Components.FirstOrDefault(x => x.Id == model.Id);
+            if (element != null)
+            {
+                source.Components.Remove(element);
+                source.SaveComponents();
+                return element.GetViewModel;
+            }
+            return null;
+        }
+    }
+}

GiftShop/GiftShopFileImplement/Implements/GiftStorage.cs

@@ -0,0 +1,92 @@
+using GiftShopContracts.BindingModels;
+using GiftShopContracts.SearchModels;
+using GiftShopContracts.StoragesContracts;
+using GiftShopContracts.ViewModels;
+using GiftShopFileImplement.Models;
+
+namespace GiftShopFileImplement.Implements
+{
+    public class GiftStorage : IGiftStorage
+    {
+        private readonly DataFileSingleton source;
+
+        public GiftStorage()
+        {
+            source = DataFileSingleton.GetInstance();
+        }
+
+        public GiftViewModel? Delete(GiftBindingModel model)
+        {
+            var element = source.Gifts.FirstOrDefault(x => x.Id == model.Id);
+
+            if (element != null)
+            {
+                source.Gifts.Remove(element);
+                source.SaveGifts();
+
+                return element.GetViewModel;
+            }
+
+            return null;
+        }
+
+        public GiftViewModel? GetElement(GiftSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.GiftName) && !model.Id.HasValue)
+            {
+                return null;
+            }
+
+            return source.Gifts.FirstOrDefault(x => (!string.IsNullOrEmpty(model.GiftName) && x.GiftName == model.GiftName) || (model.Id.HasValue && x.Id == model.Id))?.GetViewModel;
+        }
+
+        public List<GiftViewModel> GetFilteredList(GiftSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.GiftName))
+            {
+                return new();
+            }
+
+            return source.Gifts
+                .Where(x => x.GiftName
+                .Contains(model.GiftName))
+                .Select(x => x.GetViewModel).ToList();
+        }
+
+        public List<GiftViewModel> GetFullList()
+        {
+            return source.Gifts.Select(x => x.GetViewModel).ToList();
+        }
+
+        public GiftViewModel? Insert(GiftBindingModel model)
+        {
+            model.Id = source.Gifts.Count > 0 ? source.Gifts.Max(x => x.Id) + 1 : 1;
+            var newGift = Gift.Create(model);
+
+            if (newGift == null)
+            {
+                return null;
+            }
+
+            source.Gifts.Add(newGift);
+            source.SaveGifts();
+
+            return newGift.GetViewModel;
+        }
+
+        public GiftViewModel? Update(GiftBindingModel model)
+        {
+            var gift = source.Gifts.FirstOrDefault(x => x.Id == model.Id);
+
+            if (gift == null)
+            {
+                return null;
+            }
+
+            gift.Update(model);
+            source.SaveGifts();
+
+            return gift.GetViewModel;
+        }
+    }
+}

GiftShop/GiftShopFileImplement/Implements/OrderStorage.cs

@@ -0,0 +1,89 @@
+using GiftShopContracts.BindingModels;
+using GiftShopContracts.SearchModels;
+using GiftShopContracts.StoragesContracts;
+using GiftShopContracts.ViewModels;
+using GiftShopFileImplement.Models;
+
+namespace GiftShopFileImplement.Implements
+{
+    public class OrderStorage : IOrderStorage
+    {
+        private readonly DataFileSingleton source;
+
+        public OrderStorage()
+        {
+            source = DataFileSingleton.GetInstance();
+        }
+
+        public OrderViewModel? Delete(OrderBindingModel model)
+        {
+            var element = source.Orders.FirstOrDefault(x => x.Id == model.Id);
+
+            if (element != null)
+            {
+                source.Orders.Remove(element);
+                source.SaveOrders();
+
+                return element.GetViewModel;
+            }
+
+            return null;
+        }
+
+        public OrderViewModel? GetElement(OrderSearchModel model)
+        {
+            if (!model.Id.HasValue)
+            {
+                return null;
+            }
+
+            return source.Orders.FirstOrDefault(x => (model.Id.HasValue && x.Id == model.Id))?.GetViewModel;
+        }
+
+        public List<OrderViewModel> GetFilteredList(OrderSearchModel model)
+        {
+            if (!model.Id.HasValue)
+            {
+                return new();
+            }
+
+            return source.Orders.Where(x => x.Id == model.Id).Select(x => x.GetViewModel).ToList();
+        }
+
+        public List<OrderViewModel> GetFullList()
+        {
+            return source.Orders.Select(x => x.GetViewModel).ToList();
+        }
+
+        public OrderViewModel? Insert(OrderBindingModel model)
+        {
+            model.Id = source.Orders.Count > 0 ? source.Orders.Max(x => x.Id) + 1 : 1;
+            var newOrder = Order.Create(model);
+
+            if (newOrder == null)
+            {
+                return null;
+            }
+
+            source.Orders.Add(newOrder);
+            source.SaveOrders();
+
+            return newOrder.GetViewModel;
+        }
+
+        public OrderViewModel? Update(OrderBindingModel model)
+        {
+            var order = source.Orders.FirstOrDefault(x => x.Id == model.Id);
+
+            if (order == null)
+            {
+                return null;
+            }
+
+            order.Update(model);
+            source.SaveOrders();
+
+            return order.GetViewModel;
+        }
+    }
+}

GiftShop/GiftShopFileImplement/Models/Component.cs

@@ -0,0 +1,66 @@
+using GiftShopContracts.BindingModels;
+using GiftShopContracts.ViewModels;
+using GiftShopDataModels.Models;
+using System.Xml.Linq;
+
+namespace GiftShopFileImplement.Models
+{
+    internal class Component : IComponentModel
+    {
+        public int Id { get; private set; } // 3
+        
+        public string ComponentName { get; private set; } = string.Empty;
+
+        public double Cost { get; set; }
+
+        public static Component? Create(ComponentBindingModel model) 
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new Component()
+            {
+                Id = model.Id,
+                ComponentName = model.ComponentName,
+                Cost = model.Cost
+            };
+        }
+
+        public static Component? Create(XElement element)
+        {
+            if (element == null)
+            {
+                return null;
+            }
+            return new Component()
+            {
+                Id = Convert.ToInt32(element.Attribute("Id")!.Value),
+                ComponentName = element.Element("ComponentName")!.Value,
+                Cost = Convert.ToDouble(element.Element("Cost")!.Value)
+            };
+        }
+
+        public void Update(ComponentBindingModel? model)
+        {
+            if (model == null)
+            {
+                return;
+            }
+            ComponentName = model.ComponentName;
+            Cost = model.Cost;
+        }
+        
+        public ComponentViewModel GetViewModel => new()
+        {
+            Id = Id,
+            ComponentName = ComponentName,
+            Cost = Cost
+        };
+
+        public XElement GetXElement => new("Component",
+                        new XAttribute("Id", Id),
+                        new XElement("ComponentName", ComponentName),
+                        new XElement("Cost", Cost.ToString()));
+    }
+}

GiftShop/GiftShopFileImplement/Models/Gift.cs

@@ -0,0 +1,94 @@
+using GiftShopContracts.BindingModels;
+using GiftShopContracts.ViewModels;
+using GiftShopDataModels.Models;
+using System.Xml.Linq;
+
+namespace GiftShopFileImplement.Models
+{
+    internal class Gift : IGiftModel
+    {
+        public int Id { get; private set; }
+
+        public string GiftName { get; private set; } = string.Empty;
+
+        public double Price { get; private set; }
+
+        public Dictionary<int, int> Components { get; private set; } = new();
+
+        private Dictionary<int, (IComponentModel, int)>? _giftComponents = null;
+
+        public Dictionary<int, (IComponentModel, int)> GiftComponents 
+        {
+            get 
+            {
+                if (_giftComponents == null)
+                {
+                    var source = DataFileSingleton.GetInstance();
+                    _giftComponents = Components.ToDictionary(x => x.Key,
+                        y => ((source.Components.FirstOrDefault(z => z.Id == y.Key)
+                        as IComponentModel)!, y.Value));
+                }
+                return _giftComponents;
+            }
+        }
+
+        public static Gift? Create(GiftBindingModel? model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new Gift()
+            {
+                Id = model.Id,
+                GiftName = model.GiftName,
+                Price = model.Price,
+                Components = model.GiftComponents.ToDictionary(x => x.Key, x => x.Value.Item2)
+            };
+        }
+
+        public static Gift? Create(XElement element)
+        {
+            if (element == null)
+            {
+                return null;
+            }
+            return new Gift()
+            {
+                Id = Convert.ToInt32(element.Attribute("Id")!.Value),
+                GiftName = element.Element("GiftName")!.Value,
+                Price = Convert.ToDouble(element.Element("Price")!.Value),
+                Components = element.Element("GiftComponents")!.Elements("GiftComponent").ToDictionary
+                    (x => Convert.ToInt32(x.Element("Key")?.Value), x => Convert.ToInt32(x.Element("Value")?.Value))
+            };
+        }
+
+        public void Update(GiftBindingModel? model)
+        {
+            if (model == null)
+            {
+                return;
+            }
+            GiftName = model.GiftName;
+            Price = model.Price;
+            Components = model.GiftComponents.ToDictionary(x => x.Key, x => x.Value.Item2);
+            _giftComponents = null;
+        }
+
+        public GiftViewModel GetViewModel => new()
+        {
+            Id = Id,
+            GiftName = GiftName,
+            Price = Price,
+            GiftComponents = GiftComponents
+        };
+
+        public XElement GetXElement => new("Gift",
+                        new XAttribute("Id", Id),
+                        new XElement("GiftName", GiftName),
+                        new XElement("Price", Price.ToString()),
+                        new XElement("GiftComponents", Components.Select(x => new XElement("GiftComponent",
+                                                                              new XElement("Key", x.Key),
+                                                                              new XElement("Value", x.Value))).ToArray()));
+    }
+}

GiftShop/GiftShopFileImplement/Models/Order.cs

@@ -0,0 +1,101 @@
+using GiftShopContracts.BindingModels;
+using GiftShopContracts.ViewModels;
+using GiftShopDataModels.Enums;
+using GiftShopDataModels.Models;
+using System.Xml.Linq;
+
+namespace GiftShopFileImplement.Models
+{
+    internal class Order : IOrderModel
+    {
+        public int GiftId { get; private set; }
+
+        public string GiftName { get; private set; }
+
+        public int Count { get; private set; }
+
+        public double Sum { get; private set; }
+
+        public OrderStatus Status { get; private set; } = OrderStatus.Неизвестен;
+
+        public DateTime DateCreate { get; private set; } = DateTime.Now;
+
+        public DateTime? DateImplement { get; private set; }
+
+        public int Id { get; private set; }
+
+        public static Order? Create(OrderBindingModel? model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new Order()
+            {
+                Id = model.Id,
+                GiftId = model.GiftId,
+                GiftName = model.GiftName,
+                Count = model.Count,
+                Sum = model.Sum,
+                Status = model.Status,
+                DateCreate = model.DateCreate,
+                DateImplement = model.DateImplement
+            };
+        }
+
+        public static Order? Create(XElement element)
+        {
+            if (element == null)
+            {
+                return null;
+            }
+            var order = new Order()
+            {
+                Id = Convert.ToInt32(element.Attribute("Id")!.Value),
+                GiftId = Convert.ToInt32(element.Element("GiftId")!.Value),
+                GiftName = element.Element("GiftName")!.Value,
+                Count = Convert.ToInt32(element.Element("Count")!.Value),
+                Sum = Convert.ToDouble(element.Element("Sum")!.Value),
+                Status = (OrderStatus)Enum.Parse(typeof(OrderStatus), element.Element("Status")!.Value),
+                DateCreate = DateTime.ParseExact(element.Element("DateCreate")!.Value, "G", null)
+            };
+
+            DateTime.TryParse(element.Element("DateImplement")!.Value, out DateTime dateImpl);
+            order.DateImplement = dateImpl;
+
+            return order;
+        }
+
+        public void Update(OrderBindingModel? model)
+        {
+            if (model == null)
+            {
+                return;
+            }
+            Status = model.Status;
+            DateImplement = model.DateImplement;
+        }
+
+        public OrderViewModel GetViewModel => new()
+        {
+            Id = Id,
+            GiftId = GiftId,
+            GiftName = GiftName,
+            Count = Count,
+            Sum = Sum,
+            Status = Status,
+            DateCreate = DateCreate,
+            DateImplement = DateImplement
+        };
+
+        public XElement GetXElement => new("Order",
+            new XAttribute("Id", Id),
+            new XElement("GiftName", GiftName),
+            new XElement("GiftId", GiftId.ToString()),
+            new XElement("Count", Count.ToString()),
+            new XElement("Sum", Sum.ToString()),
+            new XElement("Status", Status.ToString()),
+            new XElement("DateCreate", DateCreate.ToString()),
+            new XElement("DateImplement", DateImplement.ToString()));
+    }
+}

GiftShop/GiftShopListImplement/Implements/OrderStorage.cs

@@ -59,7 +59,7 @@ namespace GiftShopListImplement.Implements
             {
                 if (model.Id.HasValue && order.Id == model.Id)
                 {
-                    result.Add(GetViewModelName(order));
+                    result.Add(order.GetViewModel);
                 }
             }
 
@@ -72,7 +72,7 @@ namespace GiftShopListImplement.Implements
 
             foreach (var order in _source.Orders)
             {
-                result.Add(GetViewModelName(order));
+                result.Add(order.GetViewModel);
             }
 
             return result;
@@ -115,18 +115,5 @@ namespace GiftShopListImplement.Implements
 
             return null;
         }
-        private OrderViewModel GetViewModelName(Order model)
-        {
-            var res = model.GetViewModel;
-            foreach (var package in _source.Gifts)
-            {
-                if (package.Id == model.GiftId)
-                {
-                    res.GiftName = package.GiftName;
-                    break;
-                }
-            }
-            return res;
-        }
     }
 }

GiftShop/GiftShopView/FormMain.cs

@@ -86,11 +86,7 @@ namespace GiftShopView
                     {
                         Id = id,
                         GiftId = Convert.ToInt32(dataGridView.SelectedRows[0].Cells["GiftId"].Value),
-                        GiftName = dataGridView.SelectedRows[0].Cells["GiftName"].Value.ToString(),
+                        Status = Enum.Parse<OrderStatus>(dataGridView.SelectedRows[0].Cells["Status"].Value.ToString())
-                        Status = Enum.Parse<OrderStatus>(dataGridView.SelectedRows[0].Cells["Status"].Value.ToString()),
-                        Count = Convert.ToInt32(dataGridView.SelectedRows[0].Cells["Count"].Value),
-                        Sum = double.Parse(dataGridView.SelectedRows[0].Cells["Sum"].Value.ToString()),
-                        DateCreate = DateTime.Parse(dataGridView.SelectedRows[0].Cells["DateCreate"].Value.ToString()),
                     });
                     if (!operationResult)
                     {

GiftShop/GiftShopView/GiftShopView.csproj

@@ -28,6 +28,7 @@
   <ItemGroup>
     <ProjectReference Include="..\GiftShopBusinessLogic\GiftShopBusinessLogic.csproj" />
     <ProjectReference Include="..\GiftShopContracts\GiftShopContracts.csproj" />
+    <ProjectReference Include="..\GiftShopFileImplement\GiftShopFileImplement.csproj" />
     <ProjectReference Include="..\GiftShopListImplement\GiftShopListImplement.csproj" />
   </ItemGroup>
 

GiftShop/GiftShopView/Program.cs

@@ -1,7 +1,7 @@
 using GiftShopBusinessLogic.BusinessLogics;
 using GiftShopContracts.BusinessLogicsContracts;
 using GiftShopContracts.StoragesContracts;
-using GiftShopListImplement.Implements;
+using GiftShopFileImplement.Implements;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Logging;
 using NLog.Extensions.Logging;