Создание и заполнение DinnerStorage в HotelDataBaseImplement.Implemets

Hotel/HotelDataBaseImplement/Implemets/DinnerStorage.cs

@@ -0,0 +1,120 @@
+using HotelContracts.BindingModels;
+using HotelContracts.SearchModels;
+using HotelContracts.StoragesContracts;
+using HotelContracts.ViewModels;
+using HotelDataBaseImplement.Models;
+using Microsoft.EntityFrameworkCore;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace HotelDataBaseImplement.Implemets
+{
+    public class DinnerStorage : IDinnerStorage
+    {
+        public DinnerViewModel? Delete(DinnerBindingModel model)
+        {
+            using var context = new HotelDataBase();
+
+            var element = context.Dinners.FirstOrDefault(rec => rec.Id == model.Id);
+
+            if (element != null)
+            {
+                context.Dinners.Remove(element);
+                context.SaveChanges();
+
+                return element.GetViewModel;
+            }
+
+            return null;
+        }
+
+        public DinnerViewModel? GetElement(DinnerSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.DinnerName) && !model.Id.HasValue)
+            {
+                return null;
+            }
+
+            using var context = new HotelDataBase();
+
+            return context.Dinners
+                .Include(x => x.RoomDinners)
+                .ThenInclude(x => x.Room)
+                .Include(x => x.ConferenceBookingDinners)
+                .ThenInclude(x => x.ConferenceBooking)
+                .FirstOrDefault(x => (!string.IsNullOrEmpty(model.DinnerName) && x.DinnerName == model.DinnerName) || (model.Id.HasValue && x.Id == model.Id))?
+                .GetViewModel;
+        }
+
+        public List<DinnerViewModel> GetFilteredList(DinnerSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.DinnerName))
+            {
+                return new();
+            }
+
+            using var context = new HotelDataBase();
+
+            return context.Dinners
+                .Include(x => x.RoomDinners)
+                .ThenInclude(x => x.Room)
+                .Include(x => x.ConferenceBookingDinners)
+                .ThenInclude(x => x.ConferenceBooking)
+                .Where(x => x.DinnerName.Contains(model.DinnerName))
+                .ToList()
+                .Select(x => x.GetViewModel)
+                .ToList();
+        }
+
+        public List<DinnerViewModel> GetFullList()
+        {
+            using var context = new HotelDataBase();
+
+            return context.Dinners
+                .Include(x => x.RoomDinners)
+                .ThenInclude(x => x.Room)
+                .Include(x => x.ConferenceBookingDinners)
+                .ThenInclude(x => x.ConferenceBooking)
+                .ToList()
+                .Select(x => x.GetViewModel)
+                .ToList();
+        }
+
+        public DinnerViewModel? Insert(DinnerBindingModel model)
+        {
+            using var context = new HotelDataBase();
+
+            var newDinner = Dinner.Create(model);
+
+            if (newDinner == null)
+            {
+                return null;
+            }
+
+            context.Dinners.Add(newDinner);
+            context.SaveChanges();
+
+            return newDinner.GetViewModel;
+        }
+
+        public DinnerViewModel? Update(DinnerBindingModel model)
+        {
+            using var context = new HotelDataBase();
+
+            var dinner = context.Dinners.FirstOrDefault(x => x.Id == model.Id);
+
+            if (dinner == null)
+            {
+                return null;
+            }
+
+            dinner.Update(model);
+            context.SaveChanges();
+
+            return dinner.GetViewModel;
+        }
+    }
+}

Hotel/HotelDataBaseImplement/Models/Dinner.cs

@@ -1,4 +1,5 @@
-using HotelDataModels.Models;
+using HotelContracts.ViewModels;
+using HotelDataModels.Models;
 using System;
 using System.Collections.Generic;
 using System.ComponentModel.DataAnnotations;
@@ -27,6 +28,6 @@ namespace HotelDataBaseImplement.Models
 
         [ForeignKey("DinnercId")]
         public virtual List<ConferenceBookingDinner> ConferenceBookingDinners { get; set; }
-
+        public DinnerViewModel? GetViewModel { get; internal set; }
     }
 }