All ready

IceCreamShop/IceCreamShop.sln

@@ -5,13 +5,15 @@ VisualStudioVersion = 17.8.34309.116
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "IceCreamShop", "IceCreamShop\IceCreamShop.csproj", "{CD111C92-FD71-4F7E-A7E7-03C273B634E6}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "IceCreamShopDataModels", "IceCreamShopDataModels\IceCreamShopDataModels.csproj", "{0979632B-BB70-441E-9109-C52DBA5A85B2}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "IceCreamShopDataModels", "IceCreamShopDataModels\IceCreamShopDataModels.csproj", "{0979632B-BB70-441E-9109-C52DBA5A85B2}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "IceCreamShopContracts", "IceCreamShopContracts\IceCreamShopContracts.csproj", "{8D344A7A-951D-496B-BC8A-DF18A06B1DF0}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "IceCreamShopContracts", "IceCreamShopContracts\IceCreamShopContracts.csproj", "{8D344A7A-951D-496B-BC8A-DF18A06B1DF0}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "IceCreamShopBusinessLogic", "IceCreamShopBusinessLogic\IceCreamShopBusinessLogic.csproj", "{6E71A941-D9B0-47F8-A180-78D544754C4F}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "IceCreamShopBusinessLogic", "IceCreamShopBusinessLogic\IceCreamShopBusinessLogic.csproj", "{6E71A941-D9B0-47F8-A180-78D544754C4F}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "IceCreamShopListImplement", "IceCreamShopListImplement\IceCreamShopListImplement.csproj", "{566BA4F5-7316-4747-A745-FCA934EBA9E0}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "IceCreamShopListImplement", "IceCreamShopListImplement\IceCreamShopListImplement.csproj", "{566BA4F5-7316-4747-A745-FCA934EBA9E0}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "IceCreamShopFileImplement", "IceCreamShopFileImplement\IceCreamShopFileImplement.csproj", "{A689B62C-67DF-47D8-B265-6C453D1055DA}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
@@ -39,6 +41,10 @@ Global
 		{566BA4F5-7316-4747-A745-FCA934EBA9E0}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{566BA4F5-7316-4747-A745-FCA934EBA9E0}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{566BA4F5-7316-4747-A745-FCA934EBA9E0}.Release|Any CPU.Build.0 = Release|Any CPU
+		{A689B62C-67DF-47D8-B265-6C453D1055DA}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{A689B62C-67DF-47D8-B265-6C453D1055DA}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{A689B62C-67DF-47D8-B265-6C453D1055DA}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{A689B62C-67DF-47D8-B265-6C453D1055DA}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

IceCreamShop/IceCreamShop/IceCreamShop.csproj

@@ -16,6 +16,7 @@
 
   <ItemGroup>
     <ProjectReference Include="..\IceCreamShopBusinessLogic\IceCreamShopBusinessLogic.csproj" />
+    <ProjectReference Include="..\IceCreamShopFileImplement\IceCreamShopFileImplement.csproj" />
     <ProjectReference Include="..\IceCreamShopListImplement\IceCreamShopListImplement.csproj" />
   </ItemGroup>
 

IceCreamShop/IceCreamShop/Program.cs

@@ -1,7 +1,7 @@
 using IceCreamShopBusinessLogic.BusinessLogic;
 using IceCreamShopContracts.BusinessLogicsContracts;
 using IceCreamShopContracts.StoragesContracts;
-using IceCreamShopListImplement.Implements;
+using IceCreamShopFileImplement.Implements;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Logging;
 using NLog.Extensions.Logging;

IceCreamShop/IceCreamShopFileImplement/DataFileSingleton.cs

@@ -0,0 +1,67 @@
+using IceCreamShopFileImplement.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Xml.Linq;
+
+namespace IceCreamShopFileImplement
+{
+    internal class DataFileSingleton
+    {
+        private static DataFileSingleton? instance;
+        private readonly string ComponentFileName = "Component.xml";
+        private readonly string OrderFileName = "Order.xml";
+        private readonly string IceCreamFileName = "IceCream.xml";
+        public List<Component> Components { get; private set; }
+        public List<Order> Orders { get; private set; }
+        public List<IceCream> IceCreams { 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 SaveIceCreams() => SaveData(IceCreams, IceCreamFileName,
+       "IceCreams", x => x.GetXElement);
+        public void SaveOrders() => SaveData(Orders, OrderFileName,
+       "Orders", x => x.GetXElement);
+        private DataFileSingleton()
+        {
+            Components = LoadData(ComponentFileName, "Component", x =>
+           Component.Create(x)!)!;
+            IceCreams = LoadData(IceCreamFileName, "IceCream", x =>
+           IceCream.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);
+            }
+        }
+
+
+    }
+}

IceCreamShop/IceCreamShopFileImplement/IceCreamShopFileImplement.csproj

@@ -0,0 +1,14 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net8.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\IceCreamShopContracts\IceCreamShopContracts.csproj" />
+    <ProjectReference Include="..\IceCreamShopDataModels\IceCreamShopDataModels.csproj" />
+  </ItemGroup>
+
+</Project>

IceCreamShop/IceCreamShopFileImplement/Implements/ComponentStorage.cs

@@ -0,0 +1,90 @@
+using IceCreamShopContracts.BindingModels;
+using IceCreamShopContracts.SearchModels;
+using IceCreamShopContracts.StoragesContracts;
+using IceCreamShopContracts.ViewModels;
+using IceCreamShopFileImplement.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace IceCreamShopFileImplement.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;
+        }
+    }
+}

IceCreamShop/IceCreamShopFileImplement/Implements/IceCreamStorage.cs

@@ -0,0 +1,95 @@
+using IceCreamShopContracts.BindingModels;
+using IceCreamShopContracts.SearchModels;
+using IceCreamShopContracts.StoragesContracts;
+using IceCreamShopContracts.ViewModels;
+using IceCreamShopFileImplement.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace IceCreamShopFileImplement.Implements
+{
+    public class IceCreamStorage : IIceCreamStorage
+    {
+        private readonly DataFileSingleton source;
+        public IceCreamStorage()
+        {
+            source = DataFileSingleton.GetInstance();
+        }
+        public List<IceCreamViewModel> GetFullList()
+        {
+            return source.IceCreams
+            .Select(x => x.GetViewModel)
+           .ToList();
+        }
+
+        public List<IceCreamViewModel> GetFilteredList(IceCreamSearchModel
+model)
+        {
+            if (string.IsNullOrEmpty(model.IceCreamName))
+            {
+                return new();
+            }
+            return source.IceCreams
+            .Where(x => x.IceCreamName.Contains(model.IceCreamName))
+           .Select(x => x.GetViewModel)
+           .ToList();
+        }
+
+        public IceCreamViewModel? GetElement(IceCreamSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.IceCreamName) && !model.Id.HasValue)
+            {
+                return null;
+            }
+            return source.IceCreams
+            .FirstOrDefault(x =>
+           (!string.IsNullOrEmpty(model.IceCreamName) && x.IceCreamName ==
+           model.IceCreamName) ||
+            (model.Id.HasValue && x.Id == model.Id))
+            ?.GetViewModel;
+        }
+
+        public IceCreamViewModel? Insert(IceCreamBindingModel model)
+        {
+            model.Id = source.IceCreams.Count > 0 ? source.IceCreams.Max(x =>
+           x.Id) + 1 : 1;
+            var newIceCream = IceCream.Create(model);
+            if (newIceCream == null)
+            {
+                return null;
+            }
+            source.IceCreams.Add(newIceCream);
+            source.SaveIceCreams();
+            return newIceCream.GetViewModel;
+        }
+
+        public IceCreamViewModel? Update(IceCreamBindingModel model)
+        {
+            var iceCream = source.IceCreams.FirstOrDefault(x => x.Id ==
+           model.Id);
+            if (iceCream == null)
+            {
+                return null;
+            }
+            iceCream.Update(model);
+            source.SaveIceCreams();
+            return iceCream.GetViewModel;
+        }
+        public IceCreamViewModel? Delete(IceCreamBindingModel model)
+        {
+            var iceCream = source.IceCreams.FirstOrDefault(x => x.Id ==
+           model.Id);
+            if (iceCream != null)
+            {
+                source.IceCreams.Remove(iceCream);
+                source.SaveIceCreams();
+                return iceCream.GetViewModel;
+            }
+            return null;
+        }
+
+    }
+}

IceCreamShop/IceCreamShopFileImplement/Implements/OrderStorage.cs

@@ -0,0 +1,91 @@
+using IceCreamShopContracts.BindingModels;
+using IceCreamShopContracts.SearchModels;
+using IceCreamShopContracts.StoragesContracts;
+using IceCreamShopContracts.ViewModels;
+using IceCreamShopFileImplement.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace IceCreamShopFileImplement.Implements
+{
+    public class OrderStorage : IOrderStorage
+    {
+        private readonly DataFileSingleton source;
+        public OrderStorage()
+        {
+            source = DataFileSingleton.GetInstance();
+        }
+
+        public List<OrderViewModel> GetFullList()
+        {
+            return source.Orders
+            .Select(x => x.GetViewModel)
+           .ToList();
+        }
+
+        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 OrderViewModel? GetElement(OrderSearchModel model)
+        {
+            if (!model.Id.HasValue)
+            {
+                return null;
+            }
+            return source.Orders
+            .FirstOrDefault(x => (model.Id.HasValue && x.Id == model.Id))?.GetViewModel;
+        }
+
+        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;
+        }
+        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;
+        }
+
+
+    }
+}

IceCreamShop/IceCreamShopFileImplement/Models/Component.cs

@@ -0,0 +1,71 @@
+using IceCreamShopContracts.BindingModels;
+using IceCreamShopContracts.ViewModels;
+using IceCreamShopDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Xml.Linq;
+
+namespace IceCreamShopFileImplement.Models
+{
+    public class Component : IComponentModel
+    {
+        public int Id { get; set; }
+        public string ComponentName { get; 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()));
+
+
+    }
+}

IceCreamShop/IceCreamShopFileImplement/Models/IceCream.cs

@@ -0,0 +1,105 @@
+using IceCreamShopContracts.BindingModels;
+using IceCreamShopContracts.ViewModels;
+using IceCreamShopDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Xml.Linq;
+
+namespace IceCreamShopFileImplement.Models
+{
+    public class IceCream : IIceCreamModel
+    {
+        public int Id { get; private set; }
+        public string IceCreamName { 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)>? _iceCreamComponents = null;
+
+        public Dictionary<int, (IComponentModel, int)> IceCreamComponents
+        {
+            get
+            {
+                if (_iceCreamComponents == null)
+                {
+                    var source = DataFileSingleton.GetInstance();
+                    _iceCreamComponents = Components.ToDictionary(x => x.Key, y =>
+                    ((source.Components.FirstOrDefault(z => z.Id == y.Key) as IComponentModel)!,
+                    y.Value));
+                }
+                return _iceCreamComponents;
+            }
+        }
+
+        public static IceCream? Create(IceCreamBindingModel model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new IceCream()
+            {
+                Id = model.Id,
+                IceCreamName = model.IceCreamName,
+                Price = model.Price,
+                Components = model.IceCreamComponents.ToDictionary(x => x.Key, x
+               => x.Value.Item2)
+            };
+        }
+
+        public static IceCream? Create(XElement element)
+        {
+            if (element == null)
+            {
+                return null;
+            }
+            return new IceCream()
+            {
+                Id = Convert.ToInt32(element.Attribute("Id")!.Value),
+                IceCreamName = element.Element("IceCreamName")!.Value,
+                Price = Convert.ToDouble(element.Element("Price")!.Value),
+                Components =
+           element.Element("IceCreamComponents")!.Elements("IceCreamComponents")
+            .ToDictionary(x =>
+           Convert.ToInt32(x.Element("Key")?.Value), x =>
+           Convert.ToInt32(x.Element("Value")?.Value))
+            };
+        }
+
+        public void Update(IceCreamBindingModel model)
+        {
+            if (model == null)
+            {
+                return;
+            }
+            IceCreamName = model.IceCreamName;
+            Price = model.Price;
+            Components = model.IceCreamComponents.ToDictionary(x => x.Key, x =>
+           x.Value.Item2);
+            _iceCreamComponents = null;
+        }
+
+        public IceCreamViewModel GetViewModel => new()
+        {
+            Id = Id,
+            IceCreamName = IceCreamName,
+            Price = Price,
+            IceCreamComponents = IceCreamComponents
+        };
+
+        public XElement GetXElement => new("IceCream",
+                         new XAttribute("Id", Id),
+                         new XElement("IceCreamName", IceCreamName),
+                         new XElement("Price", Price.ToString()),
+                         new XElement("IceCreamComponents", Components.Select(x =>
+new XElement("IceCreamComponent",
+
+new XElement("Key", x.Key),
+
+new XElement("Value", x.Value)))
+
+.ToArray()));
+    }
+}

IceCreamShop/IceCreamShopFileImplement/Models/Order.cs

@@ -0,0 +1,88 @@
+using IceCreamShopContracts.BindingModels;
+using IceCreamShopContracts.ViewModels;
+using IceCreamShopDataModels.Enums;
+using IceCreamShopDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Xml.Linq;
+
+namespace IceCreamShopFileImplement.Models
+{
+    public class Order : IOrderModel
+    {
+        public int Id { get; private set; }
+        public int IceCreamId { get; private set; }
+        public int Count { get; private set; }
+        public double Sum { get; private set; }
+        public OrderStatus Status { get; private set; }
+        public DateTime DateCreate { get; private set; }
+        public DateTime? DateImplement { get; private set; }
+
+        public static Order? Create(OrderBindingModel model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new Order()
+            {
+                Id = model.Id,
+                IceCreamId = model.IceCreamId,
+                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;
+            }
+            return new Order()
+            {
+                Id = Convert.ToInt32(element.Attribute("Id")!.Value),
+                IceCreamId = Convert.ToInt32(element.Element("IceCreamId")!.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.ToString()),
+                DateCreate = Convert.ToDateTime(element.Element("DateCreate")!.Value),
+                DateImplement = string.IsNullOrEmpty(element.Element("DateImplement")!.Value) ? null : Convert.ToDateTime(element.Element("DateImplement")!.Value)
+            };
+        }
+        public void Update(OrderBindingModel model)
+        {
+            if (model == null)
+            {
+                return;
+            }
+            Status = model.Status;
+            DateImplement = model.DateImplement;
+        }
+        public OrderViewModel GetViewModel => new()
+        {
+            Id = Id,
+            IceCreamId = IceCreamId,
+            Count = Count,
+            Sum = Sum, 
+            Status = Status, 
+            DateCreate = DateCreate,
+            DateImplement = DateImplement,
+        };
+        public XElement GetXElement => new("Order",
+        new XAttribute("Id", Id),
+        new XElement("IceCreamId", IceCreamId),
+        new XElement("Sum", Sum.ToString()),
+        new XElement("Count", Count),
+        new XElement("Status", Status.ToString()),
+        new XElement("DateCreate", DateCreate.ToString()),
+        new XElement("DateImplement", DateImplement.ToString())
+        );
+
+    }
+}