Lab2

FurnitureAssembly/FormMain.Designer.cs

@@ -164,6 +164,7 @@
             ((System.ComponentModel.ISupportInitialize)(this.DataGridView)).EndInit();
             this.ResumeLayout(false);
             this.PerformLayout();
+            this.Load += new System.EventHandler(this.FormMain_Load);
 
         }
 

FurnitureAssembly/FormProducts.Designer.cs

@@ -99,6 +99,7 @@
             this.Text = "Изделия";
             ((System.ComponentModel.ISupportInitialize)(this.DataGridView)).EndInit();
             this.ResumeLayout(false);
+            this.Load += new System.EventHandler(this.FormProducts_Load);
         }
 
         #endregion

FurnitureAssembly/FurnitureAssembly.csproj

@@ -17,6 +17,7 @@
   <ItemGroup>
     <ProjectReference Include="..\FurnitureAssemblyBusinessLogic\FurnitureAssemblyBusinessLogic.csproj" />
     <ProjectReference Include="..\FurnitureAssemblyContracts\FurnitureAssemblyContracts.csproj" />
+    <ProjectReference Include="..\FurnitureAssemblyFileImplement\FurnitureAssemblyFileImplement.csproj" />
     <ProjectReference Include="..\FurnitureAssemblyListImplement\FurnitureAssemblyListImplement.csproj" />
   </ItemGroup>
 

FurnitureAssembly/FurnitureAssembly.sln

@@ -13,6 +13,8 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "FurnitureAssemblyListImplem
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "FurnitureAssemblyBusinessLogic", "..\FurnitureAssemblyBusinessLogic\FurnitureAssemblyBusinessLogic.csproj", "{95752DB2-8672-4A78-96CF-3F87E83C27B2}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "FurnitureAssemblyFileImplement", "..\FurnitureAssemblyFileImplement\FurnitureAssemblyFileImplement.csproj", "{A55CCB0B-73D1-4887-9B25-9747F1E2DFC4}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -39,6 +41,10 @@ Global
 		{95752DB2-8672-4A78-96CF-3F87E83C27B2}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{95752DB2-8672-4A78-96CF-3F87E83C27B2}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{95752DB2-8672-4A78-96CF-3F87E83C27B2}.Release|Any CPU.Build.0 = Release|Any CPU
+		{A55CCB0B-73D1-4887-9B25-9747F1E2DFC4}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{A55CCB0B-73D1-4887-9B25-9747F1E2DFC4}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{A55CCB0B-73D1-4887-9B25-9747F1E2DFC4}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{A55CCB0B-73D1-4887-9B25-9747F1E2DFC4}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

FurnitureAssembly/Program.cs

@@ -1,7 +1,7 @@
 using FurnitureAssemblyBusinessLogic.BusinessLogic;
 using FurnitureAssemblyContracts.BusinessLogicsContracts;
 using FurnitureAssemblyContracts.StoragesContracts;
-using FurnitureAssemblyListImplement.Implements;
+using FurnitureAssemblyFileImplement.Implements;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Logging;
 using NLog.Extensions.Logging;

FurnitureAssemblyFileImplement/DateFileSingleton.cs

@@ -0,0 +1,61 @@
+using FurnitureAssemblyFileImplement.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Xml.Linq;
+
+namespace FurnitureAssemblyFileImplement
+{
+    internal class DataFileSingleton
+    {
+        private static DataFileSingleton? instance;
+
+        private readonly string ComponentFileName = "Component.xml";
+        private readonly string OrderFileName = "Order.xml";
+        private readonly string ProductFileName = "Product.xml";
+
+        public List<Component> Components { get; private set; }
+        public List<Order> Orders { get; private set; }
+        public List<Product> Products { 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 SaveProducts() => SaveData(Products, ProductFileName, "Products", x => x.GetXElement);
+        public void SaveOrders() => SaveData(Orders, OrderFileName, "Orders", x => x.GetXElement);
+
+        private DataFileSingleton()
+        {
+            Components = LoadData(ComponentFileName, "Component", x => Component.Create(x)!)!;
+            Products = LoadData(ProductFileName, "Product", x => Product.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);
+            }
+        }
+    }
+}

FurnitureAssemblyFileImplement/FurnitureAssemblyFileImplement.csproj

@@ -0,0 +1,13 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net6.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\FurnitureAssemblyContracts\FurnitureAssemblyContracts.csproj" />
+  </ItemGroup>
+
+</Project>

FurnitureAssemblyFileImplement/Implements/ComponentStorage.cs

@@ -0,0 +1,94 @@
+using FurnitureAssemblyContracts.BindingModels;
+using FurnitureAssemblyContracts.SearchModels;
+using FurnitureAssemblyContracts.StoragesContracts;
+using FurnitureAssemblyContracts.ViewModels;
+using FurnitureAssemblyFileImplement.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace FurnitureAssemblyFileImplement.Implements
+{
+    public class ComponentStorage : IComponentStorage
+    {
+        private readonly DataFileSingleton source;
+
+        public ComponentStorage()
+        {
+            source = DataFileSingleton.GetInstance();
+        }
+
+        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;
+        }
+
+        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 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 List<ComponentViewModel> GetFullList()
+        {
+            return source.Components.Select(x => x.GetViewModel).ToList();
+        }
+
+        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;
+        }
+    }
+}

FurnitureAssemblyFileImplement/Implements/OrderStorage.cs

@@ -0,0 +1,94 @@
+using FurnitureAssemblyContracts.BindingModels;
+using FurnitureAssemblyContracts.SearchModels;
+using FurnitureAssemblyContracts.StoragesContracts;
+using FurnitureAssemblyContracts.ViewModels;
+using FurnitureAssemblyFileImplement.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace FurnitureAssemblyFileImplement.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;
+        }
+    }
+}

FurnitureAssemblyFileImplement/Implements/ProductStorage.cs

@@ -0,0 +1,94 @@
+using FurnitureAssemblyContracts.BindingModels;
+using FurnitureAssemblyContracts.SearchModels;
+using FurnitureAssemblyContracts.StoragesContracts;
+using FurnitureAssemblyContracts.ViewModels;
+using FurnitureAssemblyFileImplement.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace FurnitureAssemblyFileImplement.Implements
+{
+    public class ProductStorage : IProductStorage
+    {
+        private readonly DataFileSingleton source;
+
+        public ProductStorage()
+        {
+            source = DataFileSingleton.GetInstance();
+        }
+
+        public ProductViewModel? Delete(ProductBindingModel model)
+        {
+            var element = source.Products.FirstOrDefault(x => x.Id == model.Id);
+
+            if (element != null)
+            {
+                source.Products.Remove(element);
+                source.SaveProducts();
+
+                return element.GetViewModel;
+            }
+
+            return null;
+        }
+
+        public ProductViewModel? GetElement(ProductSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.ProductName) && !model.Id.HasValue)
+            {
+                return null;
+            }
+
+            return source.Products.FirstOrDefault(x => (!string.IsNullOrEmpty(model.ProductName) && x.ProductName == model.ProductName) || (model.Id.HasValue && x.Id == model.Id))?.GetViewModel;
+        }
+
+        public List<ProductViewModel> GetFilteredList(ProductSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.ProductName))
+            {
+                return new();
+            }
+
+            return source.Products.Where(x => x.ProductName.Contains(model.ProductName)).Select(x => x.GetViewModel).ToList();
+        }
+
+        public List<ProductViewModel> GetFullList()
+        {
+            return source.Products.Select(x => x.GetViewModel).ToList();
+        }
+
+        public ProductViewModel? Insert(ProductBindingModel model)
+        {
+            model.Id = source.Products.Count > 0 ? source.Products.Max(x => x.Id) + 1 : 1;
+            var newProduct = Product.Create(model);
+
+            if (newProduct == null)
+            {
+                return null;
+            }
+
+            source.Products.Add(newProduct);
+            source.SaveProducts();
+
+            return newProduct.GetViewModel;
+        }
+
+        public ProductViewModel? Update(ProductBindingModel model)
+        {
+            var product = source.Products.FirstOrDefault(x => x.Id == model.Id);
+
+            if (product == null)
+            {
+                return null;
+            }
+
+            product.Update(model);
+            source.SaveProducts();
+
+            return product.GetViewModel;
+        }
+    }
+}

FurnitureAssemblyFileImplement/Models/Component.cs

@@ -0,0 +1,71 @@
+using FurnitureAssemblyContracts.BindingModels;
+using FurnitureAssemblyContracts.ViewModels;
+using FurnitureAssemblyDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Xml.Linq;
+
+namespace FurnitureAssemblyFileImplement.Models
+{
+    internal class Component : IComponentModel
+    {
+        public string ComponentName { get; private set; } = string.Empty;
+
+        public double Cost { get; set; }
+
+        public int Id { get; private 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()));
+    }
+}

FurnitureAssemblyFileImplement/Models/Order.cs

@@ -0,0 +1,112 @@
+using FurnitureAssemblyContracts.BindingModels;
+using FurnitureAssemblyContracts.ViewModels;
+using FurnitureAssemblyDataModels.Enums;
+using FurnitureAssemblyDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Xml.Linq;
+
+namespace FurnitureAssemblyFileImplement.Models
+{
+    internal class Order : IOrderModel
+    {
+        public int ProductId { get; private set; }
+
+        public string ProductName { get; private set; } = string.Empty;
+
+        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,
+                ProductId = model.ProductId,
+                ProductName = model.ProductName,
+                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),
+                ProductId = Convert.ToInt32(element.Element("ProductId")!.Value),
+                ProductName = element.Element("ProductName")!.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;
+            }
+            ProductId = model.ProductId;
+            ProductName = model.ProductName;
+            Count = model.Count;
+            Sum = model.Sum;
+            Status = model.Status;
+            DateCreate = model.DateCreate;
+            DateImplement = model.DateImplement;
+        }
+
+        public OrderViewModel GetViewModel => new()
+        {
+            Id = Id,
+            ProductId = ProductId,
+            ProductName = ProductName,
+            Count = Count,
+            Sum = Sum,
+            Status = Status,
+            DateCreate = DateCreate,
+            DateImplement = DateImplement
+        };
+
+        public XElement GetXElement => new("Order",
+            new XAttribute("Id", Id),
+            new XElement("ProductName", ProductName),
+            new XElement("ProductId", ProductId.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()));
+    }
+}

FurnitureAssemblyFileImplement/Models/Product.cs

@@ -0,0 +1,98 @@
+using FurnitureAssemblyContracts.BindingModels;
+using FurnitureAssemblyContracts.ViewModels;
+using FurnitureAssemblyDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Xml.Linq;
+
+namespace FurnitureAssemblyFileImplement.Models
+{
+    internal class Product : IProductModel
+    {
+        public string ProductName { get; private set; } = string.Empty;
+
+        public double Price { get; private set; }
+
+        public Dictionary<int, int> Components { get; private set; } = new();
+
+        public Dictionary<int, (IComponentModel, int)> _productComponents = null;
+
+        public Dictionary<int, (IComponentModel, int)> ProductComponents
+        {
+            get
+            {
+                if (_productComponents == null)
+                {
+                    var source = DataFileSingleton.GetInstance();
+                    _productComponents = Components.ToDictionary(x => x.Key, y => ((source.Components.FirstOrDefault(z => z.Id == y.Key) as IComponentModel)!, y.Value));
+                }
+                return _productComponents;
+            }
+        }
+
+        public int Id { get; private set; }
+
+        public static Product? Create(ProductBindingModel model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new Product()
+            {
+                Id = model.Id,
+                ProductName = model.ProductName,
+                Price = model.Price,
+                Components = model.ProductComponents.ToDictionary(x => x.Key, x => x.Value.Item2)
+
+            };
+        }
+
+        public static Product? Create(XElement element)
+        {
+            if (element == null)
+            {
+                return null;
+            }
+            return new Product()
+            {
+                Id = Convert.ToInt32(element.Attribute("Id")!.Value),
+                ProductName = element.Element("ProductName")!.Value,
+                Price = Convert.ToDouble(element.Element("Price")!.Value),
+                Components = element.Element("ProductComponents")!.Elements("ProductComponent").ToDictionary(x => Convert.ToInt32(x.Element("Key")?.Value), x => Convert.ToInt32(x.Element("Value")?.Value))
+            };
+        }
+
+        public void Update(ProductBindingModel model)
+        {
+            if (model == null)
+            {
+                return;
+            }
+            ProductName = model.ProductName;
+            Price = model.Price;
+            Components = model.ProductComponents.ToDictionary(x => x.Key, x => x.Value.Item2);
+            _productComponents = null;
+        }
+
+        public ProductViewModel GetViewModel => new()
+        {
+            Id = Id,
+            ProductName = ProductName,
+            Price = Price,
+            ProductComponents = ProductComponents
+        };
+
+        public XElement GetXElement => new("Product",
+            new XAttribute("Id", Id),
+            new XElement("ProductName", ProductName),
+            new XElement("Price", Price.ToString()),
+            new XElement("ProductComponents", Components.Select(x =>
+                new XElement("ProductComponent",
+                new XElement("Key", x.Key),
+                new XElement("Value", x.Value))).ToArray()));
+    }
+}