SushiBar/SushiBarFileImplement/DataFileSingleton.cs

@@ -11,10 +11,12 @@ namespace SushiBarFileImplement
         private readonly string OrderFileName = "Order.xml";
         private readonly string SushiFileName = "Sushi.xml";
         private readonly string ClientFileName = "Sushi.xml";
+        private readonly string ImplementerFileName = "Implementer.xml";
         public List<Component> Components { get; private set; }
         public List<Order> Orders { get; private set; }
         public List<Sushi> Sushis { get; private set; }
         public List<Client> Clients { get; private set; }
+        public List<Implementer> Implementers { get; private set; }
         public static DataFileSingleton GetInstance()
         {
             if (instance == null)
@@ -27,12 +29,14 @@ namespace SushiBarFileImplement
         public void SaveSushis() => SaveData(Sushis, SushiFileName, "Sushis", x => x.GetXElement);
         public void SaveOrders() => SaveData(Orders, OrderFileName, "Orders", x => x.GetXElement);
         public void SaveClients() => SaveData(Clients, ClientFileName, "Client", x => x.GetXElement);
+        public void SaveImplementers() => SaveData(Implementers, ImplementerFileName, "Implementers", x => x.GetXElement);
         private DataFileSingleton()
         {
             Components = LoadData(ComponentFileName, "Component", x => Component.Create(x)!)!;
             Sushis = LoadData(SushiFileName, "Sushi", x => Sushi.Create(x)!)!;
             Orders = LoadData(OrderFileName, "Order", x => Order.Create(x)!)!;
             Clients = LoadData(ClientFileName, "Client", x => Client.Create(x)!)!;
+            Implementers = LoadData(ImplementerFileName, "Implementer", x => Implementer.Create(x)!)!;
         }
         private static List<T>? LoadData<T>(string filename, string xmlNodeName, Func<XElement, T> selectFunction)
         {

SushiBar/SushiBarFileImplement/Implements/ImplementerStorage.cs

@@ -0,0 +1,79 @@
+using IceCreamShopContracts.StoragesContracts;
+using SushiBarContracts.BindingModels;
+using SushiBarContracts.SearchModels;
+using SushiBarContracts.ViewModels;
+using SushiBarFileImplement.Models;
+
+namespace SushiBarFileImplement.Implements
+{
+    public class ImplementerStorage : IImplementerStorage
+    {
+        private readonly DataFileSingleton source;
+        public ImplementerStorage()
+        {
+            source = DataFileSingleton.GetInstance();
+        }
+        public List<ImplementerViewModel> GetFullList()
+        {
+            return source.Implementers
+            .Select(x => x.GetViewModel)
+           .ToList();
+        }
+        public List<ImplementerViewModel> GetFilteredList(ImplementerSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.ImplementerFIO) && string.IsNullOrEmpty(model.Password))
+            {
+                return new();
+            }
+            return source.Implementers
+                .Where(x => 
+                    (string.IsNullOrEmpty(model.ImplementerFIO) || x.ImplementerFIO.Contains(model.ImplementerFIO)) &&
+                    (string.IsNullOrEmpty(model.Password) || x.Password.Contains(model.Password)))
+                .Select(x => x.GetViewModel)
+                .ToList();
+        }
+        public ImplementerViewModel? GetElement(ImplementerSearchModel model)
+        {
+            return source.Implementers
+                .FirstOrDefault(x =>
+                    (string.IsNullOrEmpty(model.ImplementerFIO) || x.ImplementerFIO == model.ImplementerFIO) &&
+                    (!model.Id.HasValue || x.Id == model.Id) &&
+                    (string.IsNullOrEmpty(model.Password) || x.Password == model.Password))
+                ?.GetViewModel;
+        }
+        public ImplementerViewModel? Insert(ImplementerBindingModel model)
+        {
+            model.Id = source.Implementers.Count > 0 ? source.Implementers.Max(x => x.Id) + 1 : 1;
+            var newImplementer = Implementer.Create(model);
+            if (newImplementer == null)
+            {
+                return null;
+            }
+            source.Implementers.Add(newImplementer);
+            source.SaveImplementers();
+            return newImplementer.GetViewModel;
+        }
+        public ImplementerViewModel? Update(ImplementerBindingModel model)
+        {
+            var implementer = source.Implementers.FirstOrDefault(x => x.Id == model.Id);
+            if (implementer == null)
+            {
+                return null;
+            }
+            implementer.Update(model);
+            source.SaveImplementers();
+            return implementer.GetViewModel;
+        }
+        public ImplementerViewModel? Delete(ImplementerBindingModel model)
+        {
+            var element = source.Implementers.FirstOrDefault(rec => rec.Id == model.Id);
+            if (element != null)
+            {
+                source.Implementers.Remove(element);
+                source.SaveImplementers();
+                return element.GetViewModel;
+            }
+            return null;
+        }
+    }
+}

SushiBar/SushiBarFileImplement/Models/Implementer.cs

@@ -0,0 +1,73 @@
+using SushiBarContracts.BindingModels;
+using SushiBarContracts.ViewModels;
+using SushiBarDataModels.Models;
+using System.Xml.Linq;
+
+namespace SushiBarFileImplement.Models
+{
+    internal class Implementer : IImplementerModel
+    {
+        public int Id { get; private set; }
+        public string ImplementerFIO { get; private set; } = string.Empty;
+        public string Password { get; set; } = string.Empty;
+        public int Qualification { get; set; } = 0;
+        public int WorkExperience { get; set; } = 0;
+        public static Implementer? Create(ImplementerBindingModel model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new Implementer()
+            {
+                Id = model.Id,
+                ImplementerFIO = model.ImplementerFIO,
+                Password = model.Password,
+                WorkExperience = model.WorkExperience,
+                Qualification = model.Qualification
+            };
+        }
+        public void Update(ImplementerBindingModel model)
+        {
+            if (model == null)
+            {
+                return;
+            }
+            ImplementerFIO = model.ImplementerFIO;
+            Password = model.Password;
+            WorkExperience = model.WorkExperience;
+            Qualification = model.Qualification;
+        }
+        public ImplementerViewModel GetViewModel => new()
+        {
+            Id = Id,
+            ImplementerFIO = ImplementerFIO,
+            Password = Password,
+            WorkExperience = WorkExperience,
+            Qualification = Qualification
+        };
+        public static Implementer? Create(XElement element)
+        {
+            if (element == null)
+            {
+                return null;
+            }
+            return new Implementer()
+            {
+                Id = Convert.ToInt32(element.Attribute("Id")!.Value),
+                ImplementerFIO = element.Element("ImplementerFIO")!.Value,
+                Password = element.Element("Password")!.Value,
+                Qualification = Convert.ToInt32(element.Element("Qualification")!.Value),
+                WorkExperience = Convert.ToInt32(element.Element("WorkExperience")!.Value)
+            };
+        }
+
+        public XElement GetXElement => new("Implementer",
+                new XAttribute("Id", Id),
+                new XElement("ImplementerFIO", ImplementerFIO),
+                new XElement("Password", Password),
+                new XElement("Qualification", Qualification.ToString()),
+                new XElement("WorkExperience", WorkExperience.ToString())
+            );
+    }
+}