Добавление RoomStorage и ConfernceBookingStorage (запросы не правильный) в HotelDataBaseImplement.Implemets.

Hotel/HotelContracts/SearchModels/ConferenceBookingSearchModel.cs

@@ -4,5 +4,8 @@ namespace HotelContracts.SearchModels
    public class ConferenceBookingSearchModel
     {
         public int? Id { get; set; }
+        public int? HeadwaiterId { get; set; }
+        public DateTime? DateFrom { get; set; }
+        public DateTime? DateTo { get; set; }
     }
 }

Hotel/HotelDataBaseImplement/Implemets/ConferenceBookingStorage.cs

@@ -0,0 +1,165 @@
+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 ConferenceBookingStorage : IConferenceBookingStorage
+    {
+        public ConferenceBookingViewModel? Delete(ConferenceBookingBindingModel model)
+        {
+            using var context = new HotelDataBase();
+
+            var element = context.ConferenceBookings
+                .FirstOrDefault(rec => rec.Id == model.Id);
+
+            if (element != null)
+            {
+                context.ConferenceBookings.Remove(element);
+                context.SaveChanges();
+
+                return element.GetViewModel;
+            }
+
+            return null;
+        }
+
+        public ConferenceBookingViewModel? GetElement(ConferenceBookingSearchModel model)
+        {
+            if (!model.Id.HasValue)
+            {
+                return null;
+            }
+
+            using var context = new HotelDataBase();
+
+            return context.ConferenceBookings
+                .Include(x => x.Dinners)
+                .ThenInclude(x => x.Dinner)
+                .ThenInclude(x => x.RoomDinners)
+                .ThenInclude(x => x.Room)
+                .Include(x => x.Conference)
+                .Include(x => x.Headwaiter)
+                .FirstOrDefault(x => (model.Id.HasValue && x.Id == model.Id))?
+                .GetViewModel;
+        }
+
+        public List<ConferenceBookingViewModel> GetFilteredList(ConferenceBookingSearchModel model)
+        {
+            if (!model.DateFrom.HasValue && !model.DateTo.HasValue && !model.HeadwaiterId.HasValue)
+            {
+                return new();
+            }
+            using var context = new HotelDataBase();
+
+            if (model.DateFrom.HasValue)
+            {
+                return context.ConferenceBookings
+                        .Include(x => x.Dinners)
+                        .ThenInclude(x => x.Dinner)
+                        .ThenInclude(x => x.RoomDinners)
+                        .ThenInclude(x => x.Room)
+                        .Include(x => x.Conference)
+                        .ThenInclude(x => x.StartDate)
+                        .Include(x => x.Headwaiter)
+                        .Where(x => x.StartDate >= model.DateFrom && x.StartDate <= model.DateTo)
+                        .Select(x => x.GetViewModel)
+                        .ToList();
+            }
+            else if (model.HeadwaiterId.HasValue)
+                return context.ConferenceBookings
+                    .Include(x => x.Dinners)
+                    .ThenInclude(x => x.Dinner)
+                    .ThenInclude(x => x.RoomDinners)
+                    .ThenInclude(x => x.Room)
+                    .Include(x => x.Conference)
+                    .Include(x => x.Headwaiter)
+                    .Where(x => x.HeadwaiterId == model.HeadwaiterId)
+                    .Select(x => x.GetViewModel)
+                    .ToList();
+
+            return context.ConferenceBookings
+                .Include(x => x.Dinners)
+                .ThenInclude(x => x.Dinner)
+                .ThenInclude(x => x.RoomDinners)
+                .ThenInclude(x => x.Room)
+                .Include(x => x.Conference)
+                .Include(x => x.Headwaiter)
+                .Where(x => x.Id == model.Id)
+                .Select(x => x.GetViewModel)
+                .ToList();
+        }
+
+        public List<ConferenceBookingViewModel> GetFullList()
+        {
+            using var context = new HotelDataBase();
+
+            return context.ConferenceBookings
+                .Include(x => x.Dinners)
+                .ThenInclude(x => x.Dinner)
+                .ThenInclude(x => x.RoomDinners)
+                .ThenInclude(x => x.Room)
+                .Include(x => x.Conference)
+                .Include(x => x.Headwaiter)
+                .Select(x => x.GetViewModel)
+                .ToList();
+        }
+
+        public ConferenceBookingViewModel? Insert(ConferenceBookingBindingModel model)
+        {
+            using var context = new HotelDataBase();
+            var newConferenceBooking = ConferenceBooking.Create(context, model);
+
+            if (newConferenceBooking == null)
+            {
+                return null;
+            }
+
+            context.ConferenceBookings.Add(newConferenceBooking);
+            context.SaveChanges();
+
+            return context.ConferenceBookings
+                .Include(x => x.Dinners)
+                .ThenInclude(x => x.Dinner)
+                .ThenInclude(x => x.RoomDinners)
+                .ThenInclude(x => x.Room)
+                .Include(x => x.Conference)
+                .Include(x => x.Headwaiter)
+                .FirstOrDefault(x => x.Id == newConferenceBooking.Id)
+                ?.GetViewModel;
+        }
+
+
+        public ConferenceBookingViewModel? Update(ConferenceBookingBindingModel model)
+        {
+            using var context = new HotelDataBase();
+
+            var order = context.ConferenceBookings
+                .Include(x => x.Dinners)
+                .ThenInclude(x => x.Dinner)
+                .ThenInclude(x => x.RoomDinners)
+                .ThenInclude(x => x.Room)
+                .Include(x => x.Conference)
+                .Include(x => x.Headwaiter)
+                .FirstOrDefault(x => x.Id == model.Id);
+
+            if (order == null)
+            {
+                return null;
+            }
+
+            order.Update(model);
+            context.SaveChanges();
+
+            return order.GetViewModel;
+        }
+    }
+}

Hotel/HotelDataBaseImplement/Implemets/RoomStorage.cs

@@ -0,0 +1,118 @@
+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 RoomStorage : IRoomStorage
+    {
+        public RoomViewModel? Delete(RoomBindingModel model)
+        {
+            using var context = new HotelDataBase();
+
+            var element = context.Rooms
+                .FirstOrDefault(rec => rec.Id == model.Id);
+
+            if (element != null)
+            {
+                context.Rooms.Remove(element);
+                context.SaveChanges();
+
+                return element.GetViewModel;
+            }
+
+            return null;
+        }
+
+        public RoomViewModel? GetElement(RoomSearchModel model)
+        {
+            if (!model.Id.HasValue)
+            {
+                return null;
+            }
+
+            using var context = new HotelDataBase();
+
+            return context.Rooms
+                .Include(x => x.Dinners)
+                .ThenInclude(x => x.Dinner)
+                .ThenInclude(x => x.ConferenceBookingDinners)
+                .ThenInclude(x => x.ConferenceBooking)
+                .Include(x => x.MealPlan)
+                .Include(x => x.Headwaiter)
+                .FirstOrDefault(x => (model.Id.HasValue && x.Id == model.Id))?
+                .GetViewModel;
+        }
+
+        public List<RoomViewModel> GetFilteredList(RoomSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.RoomName))
+            {
+                return new();
+            }
+
+            using var context = new HotelDataBase();
+
+            return context.Rooms
+                .Include(x => x.Dinners)
+                .ThenInclude(x => x.Dinner)
+                .ThenInclude(x => x.ConferenceBookingDinners)
+                .ThenInclude(x => x.ConferenceBooking)
+                .Include(x => x.MealPlan)
+                .Include(x => x.Headwaiter)
+                .Where(x => x.RoomName.Contains(model.RoomName))
+                .Select(x => x.GetViewModel)
+                .ToList();
+        }
+
+        public List<RoomViewModel> GetFullList()
+        {
+            using var context = new HotelDataBase();
+            return context.Rooms
+                .Include(x => x.Dinners)
+                .ThenInclude(x => x.Dinner)
+                .ThenInclude(x => x.ConferenceBookingDinners)
+                .ThenInclude(x => x.ConferenceBooking)
+                .Include(x => x.MealPlan)
+                .Include(x => x.Headwaiter)
+                .Select(x => x.GetViewModel)
+                .ToList();
+        }
+
+        public RoomViewModel? Insert(RoomBindingModel model)
+        {
+            using var context = new HotelDataBase();
+            var newRoom = Room.Create(context, model);
+
+            if (newRoom == null)
+            {
+                return null;
+            }
+
+            context.Rooms.Add(newRoom);
+            context.SaveChanges();
+            return newRoom.GetViewModel;
+        }
+
+        public RoomViewModel? Update(RoomBindingModel model)
+        {
+            using var context = new HotelDataBase();
+            var room = context.Rooms.FirstOrDefault(x => x.Id == model.Id);
+            if (room == null)
+            {
+                return null;
+            }
+            room.Update(model);
+            context.SaveChanges();
+            return room.GetViewModel;
+        }
+    }
+}