добавила реализация исполнитель дл базы данных. нужно изменить заказы

SushiBarDatabaseImplement/Implements/ImplementerStorage.cs

@@ -0,0 +1,80 @@
+using Microsoft.IdentityModel.Tokens;
+using SushiBarContracts.BindingModel;
+using SushiBarContracts.SearchModel;
+using SushiBarContracts.StoragesContracts;
+using SushiBarContracts.ViewModels;
+using SushiBarDatabaseImplement.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace SushiBarDatabaseImplement.Implements
+{
+    public class ImplementerStorage : IImplementerStorage
+    {
+        public ImplementerViewModel? Insert(ImplementerBindingModel model)
+        {
+            using var context = new SushiBarDatabase();
+            var newImplementer = Implementer.Create(model);
+            if (newImplementer == null) { return null; }
+            context.Implementers.Add(newImplementer);
+            context.SaveChanges();
+            return newImplementer.GetViewModel;
+        }
+
+        public ImplementerViewModel? Update(ImplementerBindingModel model)
+        {
+            using var context = new SushiBarDatabase();
+            var implementer = context.Implementers.FirstOrDefault(x => x.Id == model.Id);
+            if (implementer == null) { return null; };
+            implementer.Update(model);
+            context.SaveChanges();
+            return implementer.GetViewModel;
+        }
+
+        public ImplementerViewModel? Delete(ImplementerBindingModel model)
+        {
+            using var context = new SushiBarDatabase();
+            var element = context.Implementers.FirstOrDefault(rec => rec.Id == model.Id);
+            if (element != null)
+            {
+                context.Implementers.Remove(element);
+                context.SaveChanges();
+                return element.GetViewModel;
+            }
+            return null;
+        }
+
+        public ImplementerViewModel? GetElement(ImplementerSearchModel model)
+        {
+            return GetFilteredList(model).FirstOrDefault();
+        }
+
+        public List<ImplementerViewModel> GetFilteredList(ImplementerSearchModel model)
+        {
+            using var context = new SushiBarDatabase();
+            var implementers = context.Implementers.Select(x => x.GetViewModel).ToList();
+            if (model.Id.HasValue)
+            {
+                implementers = implementers.Where(x => x.Id == model.Id.Value).ToList();
+            }
+            if (!model.ImplementerFIO.IsNullOrEmpty())
+            {
+                implementers = implementers.Where(x => x.ImplementerFIO == model.ImplementerFIO).ToList();
+            }
+            if (!model.Password.IsNullOrEmpty())
+            {
+                implementers = implementers.Where(x => x.Password == model.Password).ToList();
+            }
+            return implementers;
+        }
+
+        public List<ImplementerViewModel> GetFullList()
+        {
+            using var context = new SushiBarDatabase();
+            return context.Implementers.Select(x => x.GetViewModel).ToList();
+        }
+    }
+}

SushiBarDatabaseImplement/Models/Implementer.cs

@@ -0,0 +1,68 @@
+using SushiBarContracts.BindingModel;
+using SushiBarContracts.ViewModels;
+using SushiBarDataModels;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations.Schema;
+using System.ComponentModel.DataAnnotations;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace SushiBarDatabaseImplement.Models
+{
+    public class Implementer : IImplementerModel
+    {
+        public int Id { get; private set; }
+
+        [Required]
+        public string ImplementerFIO { get; private set; } = string.Empty;
+
+        [Required]
+        public string Password { get; private set; } = string.Empty;
+
+        [Required]
+        public int WorkExperience { get; private set; }
+
+        [Required]
+        public int Qualification { get; private set; }
+
+        [Required]
+        [ForeignKey("ImplementerId")]
+        public virtual List<Order> Orders { get; set; } = new();
+
+        public static Implementer? Create(ImplementerBindingModel? model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new Implementer()
+            {
+                Id = model.Id,
+                ImplementerFIO = model.ImplementerFIO,
+                WorkExperience = model.WorkExperience,
+                Password = model.Password,
+                Qualification = model.Qualification,
+            };
+        }
+
+        public void Update(ImplementerBindingModel? model)
+        {
+            if (model == null) return;
+            ImplementerFIO = model.ImplementerFIO;
+            WorkExperience = model.WorkExperience;
+            Password = model.Password;
+            Qualification = model.Qualification;
+        }
+
+        public ImplementerViewModel GetViewModel => new()
+        {
+            Id = Id,
+            ImplementerFIO = ImplementerFIO,
+            WorkExperience = WorkExperience,
+            Password = Password,
+            Qualification = Qualification,
+        };
+    }
+}

SushiBarDatabaseImplement/SushiBarDatabase.cs

@@ -25,5 +25,6 @@ namespace SushiBarDatabaseImplement
         public virtual DbSet<SushiComponent> SushiComponents { set; get; }
         public virtual DbSet<Order> Orders { set; get; }
         public virtual DbSet<Client> Clients { set; get; }
+        public virtual DbSet<Implementer> Implementers { set; get; }
     }
 }