11 changed files with 632 additions and 6 deletions
--- a/FlowerShop/FlowerShop.sln
+++ b/FlowerShop/FlowerShop.sln
@ -11,7 +11,9 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "FlowerShopContracts", "Flow
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "FlowerShopBusinessLogic", "FlowerShopBusinessLogic\FlowerShopBusinessLogic.csproj", "{D8084C04-7B2B-4C8D-A63A-71A3EE1BC065}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "FlowerShopListImplement", "FlowerShopListImplement\FlowerShopListImplement.csproj", "{C58840E6-D68D-476E-AB3A-EB13F1740FC8}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "FlowerShopListImplement", "FlowerShopListImplement\FlowerShopListImplement.csproj", "{C58840E6-D68D-476E-AB3A-EB13F1740FC8}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "FlowerShopFileImplement", "FlowerShopFileImplement\FlowerShopFileImplement.csproj", "{87156689-2FDA-4065-90CC-749B2FE3C0D6}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
@ -39,6 +41,10 @@ Global
 		{C58840E6-D68D-476E-AB3A-EB13F1740FC8}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{C58840E6-D68D-476E-AB3A-EB13F1740FC8}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{C58840E6-D68D-476E-AB3A-EB13F1740FC8}.Release|Any CPU.Build.0 = Release|Any CPU
+		{87156689-2FDA-4065-90CC-749B2FE3C0D6}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{87156689-2FDA-4065-90CC-749B2FE3C0D6}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{87156689-2FDA-4065-90CC-749B2FE3C0D6}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{87156689-2FDA-4065-90CC-749B2FE3C0D6}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
--- a/FlowerShop/FlowerShop/FlowerShop.csproj
+++ b/FlowerShop/FlowerShop/FlowerShop.csproj
@ -17,6 +17,7 @@
    <ProjectReference Include="..\FlowerShopBusinessLogic\FlowerShopBusinessLogic.csproj" />
    <ProjectReference Include="..\FlowerShopContracts\FlowerShopContracts.csproj" />
    <ProjectReference Include="..\FlowerShopDataModels\FlowerShopDataModels.csproj" />
+    <ProjectReference Include="..\FlowerShopFileImplement\FlowerShopFileImplement.csproj" />
    <ProjectReference Include="..\FlowerShopListImplement\FlowerShopListImplement.csproj" />
  </ItemGroup>

--- a/FlowerShop/FlowerShop/Program.cs
+++ b/FlowerShop/FlowerShop/Program.cs
@ -1,11 +1,10 @@
 using FlowerShopContracts.StoragesContracts;
 using Microsoft.Extensions.DependencyInjection;
-using FlowerShopListImplement.Implements;
+using FlowerShopFileImplement.Implements;
 using FlowerShopBusinessLogic.BusinessLogics;
 using FlowerShopContracts.BusinessLogicsContracts;
 using NLog.Extensions.Logging;
 using Microsoft.Extensions.Logging;
-using System.Windows.Forms;

 namespace FlowerShop
 {
@ -13,9 +12,7 @@ namespace FlowerShop
    {
        private static ServiceProvider? _serviceProvider;
        public static ServiceProvider? ServiceProvider => _serviceProvider;
-        /// <summary>
-        ///  The main entry point for the application.
-        /// </summary>
+        
        [STAThread]
        static void Main()
        {
--- a/FlowerShop/FlowerShopFileImplement/DataFileSingleton.cs
+++ b/FlowerShop/FlowerShopFileImplement/DataFileSingleton.cs
@ -0,0 +1,58 @@
+using FlowerShopFileImplement.Models;
+using System.Xml.Linq;
+
+namespace FlowerShopFileImplement
+{
+    public class DataFileSingleton
+    {
+        private static DataFileSingleton instance;
+        private readonly string ComponentFileName = "Component.xml";
+        private readonly string OrderFileName = "Order.xml";
+        private readonly string BouquetFileName = "Bouquet.xml";
+
+        public List<Component> Components { get; private set; }
+
+        public List<Order> Orders { get; private set; }
+
+        public List<Bouquet> Bouquets { 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 SaveBouquets() => SaveData(Bouquets, BouquetFileName, "Bouquets", x => x.GetXElement);
+        public void SaveOrders() => SaveData(Orders, OrderFileName, "Orders", x => x.GetXElement);
+
+        private DataFileSingleton()
+        {
+            Components = LoadData(ComponentFileName, "Component", x => Component.Create(x)!)!;
+            Bouquets = LoadData(BouquetFileName, "Bouquet", x => Bouquet.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);
+            }
+        }
+    }
+}
--- a/FlowerShop/FlowerShopFileImplement/FlowerShopFileImplement.csproj
+++ b/FlowerShop/FlowerShopFileImplement/FlowerShopFileImplement.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="..\FlowerShopContracts\FlowerShopContracts.csproj" />
+    <ProjectReference Include="..\FlowerShopDataModels\FlowerShopDataModels.csproj" />
+  </ItemGroup>
+
+</Project>
--- a/FlowerShop/FlowerShopFileImplement/Implements/BouquetStorage.cs
+++ b/FlowerShop/FlowerShopFileImplement/Implements/BouquetStorage.cs
@ -0,0 +1,85 @@
+using FlowerShopContracts.BindingModels;
+using FlowerShopContracts.SearchModels;
+using FlowerShopContracts.StoragesContracts;
+using FlowerShopContracts.ViewModels;
+using FlowerShopFileImplement.Models;
+
+namespace FlowerShopFileImplement.Implements
+{
+    public class BouquetStorage : IBouquetStorage
+    {
+        private readonly DataFileSingleton source;
+
+        public BouquetStorage()
+        {
+            source = DataFileSingleton.GetInstance();
+        }
+
+        public BouquetViewModel? GetElement(BouquetSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.BouquetName) && !model.Id.HasValue)
+            {
+                return null;
+            }
+            return source.Bouquets.FirstOrDefault(x => (!string.IsNullOrEmpty(model.BouquetName) && x.BouquetName == model.BouquetName) || (model.Id.HasValue && x.Id == model.Id))?.GetViewModel;
+        }
+
+        public List<BouquetViewModel> GetFilteredList(BouquetSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.BouquetName))
+            {
+                return new();
+            }
+            return source.Bouquets.Where(x => x.BouquetName.Contains(model.BouquetName)).Select(x => x.GetViewModel).ToList();
+        }
+
+        public List<BouquetViewModel> GetFullList()
+        {
+            return source.Bouquets.Select(x => x.GetViewModel).ToList();
+        }
+
+        public BouquetViewModel? Insert(BouquetBindingModel model)
+        {
+            model.Id = source.Bouquets.Count > 0 ? source.Bouquets.Max(x => x.Id) + 1 : 1;
+            
+            var newBouquet = Bouquet.Create(model);
+            if (newBouquet == null)
+            {
+                return null;
+            }
+
+            source.Bouquets.Add(newBouquet);
+            source.SaveBouquets();
+
+            return newBouquet.GetViewModel;
+        }
+
+        public BouquetViewModel? Update(BouquetBindingModel model)
+        {
+            var bouquet = source.Bouquets.FirstOrDefault(x => x.Id == model.Id);
+            if (bouquet == null)
+            {
+                return null;
+            }
+
+            bouquet.Update(model);
+            source.SaveBouquets();
+
+            return bouquet.GetViewModel;
+        }
+
+        public BouquetViewModel? Delete(BouquetBindingModel model)
+        {
+            var bouquet = source.Bouquets.FirstOrDefault(x => x.Id == model.Id);
+            if (bouquet == null)
+            {
+                return null;
+            }
+
+            source.Bouquets.Remove(bouquet);
+            source.SaveBouquets();
+
+            return bouquet.GetViewModel;
+        }
+    }
+}
--- a/FlowerShop/FlowerShopFileImplement/Implements/ComponentStorage.cs
+++ b/FlowerShop/FlowerShopFileImplement/Implements/ComponentStorage.cs
@ -0,0 +1,88 @@
+using FlowerShopContracts.BindingModels;
+using FlowerShopContracts.SearchModels;
+using FlowerShopContracts.StoragesContracts;
+using FlowerShopContracts.ViewModels;
+using FlowerShopFileImplement.Models;
+using System.Linq;
+
+namespace FlowerShopFileImplement.Implements
+{
+    public class ComponentStorage : IComponentStorage
+    {
+        private readonly DataFileSingleton source;
+
+        public ComponentStorage()
+        {
+            source = DataFileSingleton.GetInstance();
+        }
+
+        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;
+        }
+
+        public ComponentViewModel? Delete(ComponentBindingModel model)
+        {
+            var component = source.Components.FirstOrDefault(x => x.Id == model.Id);
+            if (component == null)
+            {
+                return null;
+            }
+
+            source.Components.Remove(component);
+            source.SaveComponents();
+
+            return component.GetViewModel;
+        }
+    }
+}
--- a/FlowerShop/FlowerShopFileImplement/Implements/OrderStorage.cs
+++ b/FlowerShop/FlowerShopFileImplement/Implements/OrderStorage.cs
@ -0,0 +1,100 @@
+using FlowerShopContracts.BindingModels;
+using FlowerShopContracts.SearchModels;
+using FlowerShopContracts.StoragesContracts;
+using FlowerShopContracts.ViewModels;
+using FlowerShopFileImplement.Models;
+
+namespace FlowerShopFileImplement.Implements
+{
+    public class OrderStorage : IOrderStorage
+    {
+        private readonly DataFileSingleton source;
+
+        public OrderStorage()
+        {
+            source = DataFileSingleton.GetInstance();
+        }
+
+        public OrderViewModel? GetElement(OrderSearchModel model)
+        {
+            if (!model.Id.HasValue)
+            {
+                return null;
+            }
+
+            return AttachBouquetName(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 => AttachBouquetName(x.GetViewModel)).ToList();
+        }
+
+        public List<OrderViewModel> GetFullList()
+        {
+            return source.Orders.Select(x => x.GetViewModel).ToList();
+        }
+
+        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 AttachBouquetName(order.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? Delete(OrderBindingModel model)
+        {
+            var order = source.Orders.FirstOrDefault(x => x.Id == model.Id);
+            if (order == null)
+            {
+                return null;
+            }
+
+            source.Orders.Remove(order);
+            source.SaveOrders();
+
+            return order.GetViewModel;
+        }
+
+        private OrderViewModel AttachBouquetName(OrderViewModel? model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+
+            var bouquet = source.Bouquets.Find(b => b.Id == model.BouquetId);
+            model.BouquetName = bouquet is null ? String.Empty : bouquet.BouquetName;
+
+            return model;
+        }
+    }
+}
--- a/FlowerShop/FlowerShopFileImplement/Models/Bouquet.cs
+++ b/FlowerShop/FlowerShopFileImplement/Models/Bouquet.cs
@ -0,0 +1,104 @@
+using FlowerShopContracts.BindingModels;
+using FlowerShopContracts.ViewModels;
+using FlowerShopDataModels.Models;
+using System.Xml.Linq;
+using System.Linq;
+
+namespace FlowerShopFileImplement.Models
+{
+    public class Bouquet : IBouquetModel
+    {
+        public string BouquetName { get; private set; } = string.Empty;
+
+        public double Price { get; private set; }
+
+        public int Id { get; private set; }
+
+        public Dictionary<int, int> Components { get; private set; } = new();
+
+        private Dictionary<int, (IComponentModel, int)>? _bouquetComponents = new();
+
+        public Dictionary<int, (IComponentModel, int)> BouquetComponents
+        {
+            get
+            {
+                if (_bouquetComponents == null)
+                {
+                    var source = DataFileSingleton.GetInstance();
+                    _bouquetComponents = Components.ToDictionary(
+                        x => x.Key,
+                        y => ((source.Components.FirstOrDefault(z => z.Id == y.Key) as IComponentModel)!, y.Value)
+                    );
+                }
+                return _bouquetComponents;
+            }
+        }
+
+        public static Bouquet? Create(BouquetBindingModel? model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+
+            return new Bouquet()
+            {
+                Id = model.Id,
+                BouquetName = model.BouquetName,
+                Price = model.Price,
+                Components = model.BouquetComponents.ToDictionary(x => x.Key, x => x.Value.Item2)
+            };
+        }
+
+        public static Bouquet? Create(XElement element)
+        {
+            if (element == null)
+            {
+                return null;
+            }
+
+            return new Bouquet()
+            {
+                Id = Convert.ToInt32(element.Attribute("Id")!.Value),
+                BouquetName = element.Attribute("BouquetName")!.Value,
+                Price = Convert.ToDouble(element.Element("Price")!.Value),
+                Components = element.Element("BouquetComponents")!.Elements("BouquetComponent").ToDictionary(
+                    x => Convert.ToInt32(x.Element("Key")?.Value),
+                    x => Convert.ToInt32(x.Element("Value")?.Value)
+                )
+            };
+        }
+
+        public void Update(BouquetBindingModel? model)
+        {
+            if (model == null)
+            {
+                return;
+            }
+
+            BouquetName = model.BouquetName;
+            Price = model.Price;
+            Components = model.BouquetComponents.ToDictionary(x => x.Key, x => x.Value.Item2);
+            _bouquetComponents = null;
+        }
+
+        public BouquetViewModel GetViewModel => new()
+        {
+            Id = Id,
+            BouquetName = BouquetName,
+            Price = Price,
+            BouquetComponents = BouquetComponents
+        };
+
+        public XElement GetXElement => new(
+            "Bouquet",
+            new XAttribute("Id", Id),
+            new XElement("BouquetName", BouquetName),
+            new XElement("Price", Price.ToString()),
+            new XElement("BouquetComponents", Components.Select(x =>
+            new XElement("BouquetComponent",
+            new XElement("Key", x.Key),
+            new XElement("Value", x.Value))).ToArray())
+        );
+    }
+}
--- a/FlowerShop/FlowerShopFileImplement/Models/Component.cs
+++ b/FlowerShop/FlowerShopFileImplement/Models/Component.cs
@ -0,0 +1,72 @@
+using FlowerShopContracts.BindingModels;
+using FlowerShopContracts.ViewModels;
+using FlowerShopDataModels.Models;
+using System.Xml.Linq;
+using System.Linq;
+
+namespace FlowerShopFileImplement.Models
+{
+    public 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())
+        );
+    }
+}
--- a/FlowerShop/FlowerShopFileImplement/Models/Order.cs
+++ b/FlowerShop/FlowerShopFileImplement/Models/Order.cs
@ -0,0 +1,101 @@
+using FlowerShopContracts.BindingModels;
+using FlowerShopContracts.ViewModels;
+using FlowerShopDataModels.Enums;
+using FlowerShopDataModels.Models;
+using System.Xml.Linq;
+
+namespace FlowerShopFileImplement.Models
+{
+    public class Order : IOrderModel
+    {
+        public int BouquetId { 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
+            {
+                BouquetId = model.BouquetId,
+                Count = model.Count,
+                Sum = model.Sum,
+                Status = model.Status,
+                DateCreate = model.DateCreate,
+                DateImplement = model.DateImplement,
+                Id = model.Id,
+            };
+        }
+
+        public static Order? Create(XElement element)
+        {
+            if (element == null)
+            {
+                return null;
+            }
+
+            return new Order()
+            {
+                Id = Convert.ToInt32(element.Attribute("Id")!.Value),
+                BouquetId = Convert.ToInt32(element.Element("BouquetId")!.Value),
+                Sum = Convert.ToDouble(element.Element("Sum")!.Value),
+                Count = Convert.ToInt32(element.Element("Count")!.Value),
+                Status = (OrderStatus)Enum.Parse(typeof(OrderStatus), element.Element("Status")!.Value),
+                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;
+            }
+
+            BouquetId = model.BouquetId;
+            Count = model.Count;
+            Sum = model.Sum;
+            Status = model.Status;
+            DateCreate = model.DateCreate;
+            DateImplement = model.DateImplement;
+            Id = model.Id;
+        }
+
+        public OrderViewModel GetViewModel => new()
+        {
+            BouquetId = BouquetId,
+            Count = Count,
+            Sum = Sum,
+            DateCreate = DateCreate,
+            DateImplement = DateImplement,
+            Id = Id,
+            Status = Status,
+        };
+
+        public XElement GetXElement => new(
+            "Order",
+             new XAttribute("Id", Id),
+             new XElement("BouquetId", BouquetId.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())
+        );
+    }
+}