Сделал модельки в базе данных, а так же начал имплементс

Hotel/Hotel.sln

@@ -11,6 +11,8 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "HotelContracts", "HotelCont
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "HotelBusinessLogic", "HotelBusinessLogic\HotelBusinessLogic.csproj", "{66786012-F68B-4515-9C19-4C97049F9C49}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "HotelDatabaseImplement", "HotelDatabaseImplement\HotelDatabaseImplement.csproj", "{90B9109F-0F4A-4940-A45F-37839F2F773B}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -33,6 +35,10 @@ Global
 		{66786012-F68B-4515-9C19-4C97049F9C49}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{66786012-F68B-4515-9C19-4C97049F9C49}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{66786012-F68B-4515-9C19-4C97049F9C49}.Release|Any CPU.Build.0 = Release|Any CPU
+		{90B9109F-0F4A-4940-A45F-37839F2F773B}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{90B9109F-0F4A-4940-A45F-37839F2F773B}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{90B9109F-0F4A-4940-A45F-37839F2F773B}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{90B9109F-0F4A-4940-A45F-37839F2F773B}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

Hotel/HotelDatabaseImplement/HotelDataBase.cs

@@ -0,0 +1,27 @@
+using Microsoft.EntityFrameworkCore;
+using HotelDatabaseImplement.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace HotelDatabaseImplement
+{
+    public class HotelDatabase : DbContext
+    {
+        protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
+        {
+            if (optionsBuilder.IsConfigured == false)
+            {
+                optionsBuilder.UseSqlServer(@"Data Source=localhost\SQLEXPRESS;Initial Catalog=TestProject;Integrated Security=True;MultipleActiveResultSets=True;TrustServerCertificate=True");
+            }
+            base.OnConfiguring(optionsBuilder);
+        }
+        public virtual DbSet<Booking> Bookings { get; set; }
+        public virtual DbSet<Client> Clients { get; set; }
+        public virtual DbSet<Post> Posts { get; set; }
+        public virtual DbSet<Room> Rooms { get; set; }
+        public virtual DbSet<Worker> Workers { get; set; }
+    }
+}

Hotel/HotelDatabaseImplement/HotelDatabaseImplement.csproj

@@ -0,0 +1,25 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net6.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.EntityFrameworkCore" Version="7.0.16" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" Version="7.0.16" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Tools" Version="7.0.16">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+    </PackageReference>
+    <PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL" Version="6.0.8" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\HotelBusinessLogic\HotelBusinessLogic.csproj" />
+    <ProjectReference Include="..\HotelContracts\HotelContracts.csproj" />
+    <ProjectReference Include="..\HotelDataModels\HotelDataModels.csproj" />
+  </ItemGroup>
+
+</Project>

Hotel/HotelDatabaseImplement/Implements/BookingStorage.cs

@@ -0,0 +1,17 @@
+using HotelContracts.SearchModels;
+using HotelContracts.StoragesContracts;
+using HotelContracts.ViewModels;
+using Microsoft.EntityFrameworkCore;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace HotelDatabaseImplement.Implements
+{
+    public class BookingStorage : IBookingStorage
+    {
+        
+    }
+}

Hotel/HotelDatabaseImplement/Implements/ClientStorage.cs

@@ -0,0 +1,13 @@
+using HotelContracts.StoragesContracts;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace HotelDatabaseImplement.Implements
+{
+    public class ClientStorage : IClientStorage
+    {
+    }
+}

Hotel/HotelDatabaseImplement/Implements/PostStorage.cs

@@ -0,0 +1,13 @@
+using HotelContracts.StoragesContracts;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace HotelDatabaseImplement.Implements
+{
+    public class PostStorage : IPostStorage
+    {
+    }
+}

Hotel/HotelDatabaseImplement/Implements/RoomStorage.cs

@@ -0,0 +1,13 @@
+using HotelContracts.StoragesContracts;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace HotelDatabaseImplement.Implements
+{
+    public class RoomStorage : IRoomStorage
+    {
+    }
+}

Hotel/HotelDatabaseImplement/Implements/WorkerStorage.cs

@@ -0,0 +1,13 @@
+using HotelContracts.StoragesContracts;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace HotelDatabaseImplement.Implements
+{
+    public class WorkerStorage : IWorkerStorage
+    {
+    }
+}

Hotel/HotelDatabaseImplement/Models/Booking.cs

@@ -0,0 +1,70 @@
+using HotelContracts.BindingModels;
+using HotelContracts.ViewModels;
+using HotelDataModels.Enums;
+using HotelDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace HotelDatabaseImplement.Models
+{
+    public class Booking : IBookingModel
+    {
+        [Required]
+        public int RoomId { get; set; }
+        [Required]
+        public int ClientId { get; set; }
+        [Required]
+        public DateTime ArrivalDate { get; set; }
+        [Required]
+        public DateTime DepartureDate { get; set; }
+        [Required]
+        public int NumberHoursSpent { get; set; }
+        [Required]
+        public AcceptanceStatus Status { get; set; }
+        [Required]
+        public int TotalCost { get; set; }
+        [Required]
+        public int Id { get; set; }
+        public static Booking Create(BookingBindingModel model)
+        {
+            return new Booking()
+            {
+                Id = model.Id,
+                RoomId = model.RoomId,
+                ClientId = model.ClientId,
+                ArrivalDate = model.ArrivalDate,
+                DepartureDate = model.DepartureDate,
+                NumberHoursSpent = model.NumberHoursSpent,
+                Status = model.Status,
+                TotalCost = model.TotalCost,
+            };
+        }
+        public void Update(BookingBindingModel model)
+        {
+            if (model == null) return;
+            Id = model.Id;
+            RoomId = model.RoomId;
+            ClientId = model.ClientId;
+            ArrivalDate = model.ArrivalDate;
+            DepartureDate = model.DepartureDate;
+            NumberHoursSpent = model.NumberHoursSpent;
+            Status = model.Status;
+            TotalCost = model.TotalCost;
+        }
+        public BookingViewModel GetViewModel => new()
+        {
+            Id = Id,
+            RoomId = RoomId,
+            ClientId = ClientId,
+            ArrivalDate = ArrivalDate,
+            DepartureDate = DepartureDate,
+            NumberHoursSpent = NumberHoursSpent,
+            Status = Status,
+            TotalCost = TotalCost
+        };
+    }
+}

Hotel/HotelDatabaseImplement/Models/Client.cs

@@ -0,0 +1,59 @@
+using HotelContracts.BindingModels;
+using HotelContracts.ViewModels;
+using HotelDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace HotelDatabaseImplement.Models
+{
+    public class Client : IClientModel
+    {
+        [Required]
+        public string Name { get; set; } = string.Empty;
+        [Required]
+        public string Surname { get; set; } = string.Empty;
+        [Required]
+        public DateTime DateOfBirth { get; set; }
+        [Required]
+        public string PhoneNumber { get; set; } = string.Empty;
+        [Required]
+        public string Password { get; set; } = string.Empty;
+
+        public int Id { get; set; }
+        public static Client Create(HotelDatabase context, ClientBindingModel model)
+        {
+            return new Client()
+            {
+                Id = model.Id,
+                Name = model.Name,
+                Surname = model.Surname,
+                DateOfBirth = model.DateOfBirth,
+                PhoneNumber = model.PhoneNumber,
+                Password = model.Password,
+            };
+        }
+        public void Update(ClientBindingModel model)
+        {
+            if (model == null) return;
+            Id = model.Id;
+            Name = model.Name;
+            Surname = model.Surname;
+            DateOfBirth = model.DateOfBirth;
+            PhoneNumber = model.PhoneNumber;
+            Password = model.Password;
+        }
+        public ClientViewModel GetViewModel => new()
+        {
+            Id = Id,
+            Name = Name,
+            Surname = Surname,
+            DateOfBirth = DateOfBirth,
+            PhoneNumber = PhoneNumber,
+            Password = Password
+        };
+    }
+}

Hotel/HotelDatabaseImplement/Models/Post.cs

@@ -0,0 +1,43 @@
+using HotelContracts.BindingModels;
+using HotelContracts.ViewModels;
+using HotelDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.Diagnostics;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace HotelDatabaseImplement.Models
+{
+    public class Post : IPostModel
+    {
+        [Required]
+        public string PostName { get; set; } = string.Empty;
+
+        public int Id { get; set; }
+        public static Post? Create(PostBindingModel model)
+        {
+            if (model == null) return null;
+            return new Post()
+            {
+                Id = model.Id,
+                PostName = model.PostName
+            };
+        }
+
+        public void Update(PostBindingModel model)
+        {
+            if (model == null) return;
+            Id = model.Id;
+            PostName = model.PostName;
+        }
+
+        public PostViewModel GetViewModel => new()
+        {
+            Id = Id,
+            PostName = PostName
+        };
+    }
+}

Hotel/HotelDatabaseImplement/Models/Room.cs

@@ -0,0 +1,69 @@
+using HotelContracts.BindingModels;
+using HotelContracts.ViewModels;
+using HotelDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.Diagnostics;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace HotelDatabaseImplement.Models
+{
+    public class Room : IRoomModel
+    {
+        [Required]
+        public int WorkerId { get; set; }
+        [Required]
+        public int Number { get; set; }
+        [Required]
+        public int Floor { get; set; }
+        [Required]
+        public int NumberOfBeds { get; set; }
+        [Required]
+        public string Condition { get; set; } = string.Empty;
+        [Required]
+        public int Cost { get; set; }
+
+        public int Id { get; set; }
+        public static Room? Create(RoomBindingModel model)
+        {
+            if (model == null) return null;
+            return new Room()
+            {
+                Id = model.Id,
+                WorkerId = model.WorkerId,
+                Number = model.Number,
+                NumberOfBeds = model.NumberOfBeds,
+                Condition = model.Condition,
+                Cost = model.Cost,
+                Floor = model.Floor
+            };
+        }
+
+        public void Update(RoomBindingModel model)
+        {
+            if (model == null) return;
+            Id = model.Id;
+            WorkerId = model.WorkerId;
+            Number = model.Number;
+            NumberOfBeds = model.NumberOfBeds;
+            Condition = model.Condition;
+            Cost = model.Cost;
+            Floor = model.Floor;
+
+        }
+
+        public RoomViewModel GetViewModel => new()
+        {
+            Id = Id,
+            WorkerId = WorkerId,
+            Number = Number,
+            NumberOfBeds = NumberOfBeds,
+            Condition = Condition,
+            Cost = Cost,
+            Floor = Floor
+        };
+    }
+}

Hotel/HotelDatabaseImplement/Models/Worker.cs

@@ -0,0 +1,66 @@
+using HotelContracts.BindingModels;
+using HotelContracts.ViewModels;
+using HotelDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.Diagnostics;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace HotelDatabaseImplement.Models
+{
+    public class Worker : IWorkerModel
+    {
+        public int PostId { get; set; }
+
+        public string FIO { get; set; } = string.Empty;
+
+        public DateTime DateOfBirth { get; set; }
+
+        public int WorkExperience { get; set; }
+
+        public int Salary { get; set; }
+
+        public string Phone { get; set; } = string.Empty;
+
+        public int Id { get; set; }
+        public static Worker? Create(WorkerBindingModel model)
+        {
+            if (model == null) return null;
+            return new Worker()
+            {
+                Id = model.Id,
+                PostId = model.PostId,
+                FIO = model.FIO,
+                DateOfBirth = model.DateOfBirth,
+                WorkExperience = model.WorkExperience,
+                Salary = model.Salary,
+                Phone = model.Phone
+            };
+        }
+
+        public void Update(WorkerBindingModel model)
+        {
+            if (model == null) return;
+            Id = model.Id;
+            PostId = model.PostId;
+            FIO = model.FIO;
+            DateOfBirth = model.DateOfBirth;
+            WorkExperience = model.WorkExperience;
+            Salary = model.Salary;
+            Phone = model.Phone;
+        }
+
+        public WorkerViewModel GetViewModel => new()
+        {
+            Id = Id,
+            PostId = PostId,
+            FIO = FIO,
+            DateOfBirth = DateOfBirth,
+            WorkExperience = WorkExperience,
+            Salary = Salary,
+            Phone = Phone
+        };
+    }
+}