DressAtelierBusinessLogic/BusinessLogic/ClientLogic.cs

@@ -8,6 +8,7 @@ using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Text;
+using System.Text.RegularExpressions;
 using System.Threading.Tasks;
 
 namespace DressAtelierBusinessLogic.BusinessLogic
@@ -101,11 +102,11 @@ namespace DressAtelierBusinessLogic.BusinessLogic
             {
                 throw new ArgumentNullException("Invalid fullname of user", nameof(model.FullName));
             }
-            if (string.IsNullOrEmpty(model.Email))
+            if (string.IsNullOrEmpty(model.Email) || !Regex.IsMatch(model.Email, @"^([\w\.\-]+)@([\w\-]+)((\.(\w){2,3})+)$", RegexOptions.IgnoreCase))
             {
                 throw new ArgumentNullException("Invalid email of user", nameof(model.Email));
             }
-            if (string.IsNullOrEmpty(model.Password))
+            if (string.IsNullOrEmpty(model.Password) || !Regex.IsMatch(model.Password, @"^(?=.*?[A-Z])(?=.*?[a-z])(?=.*?[0-9])(?=.*?[#?!@$%^&*-]).{8,}$", RegexOptions.IgnoreCase))
             {
                 throw new ArgumentNullException("Invalid password of user", nameof(model.Password));
             }

DressAtelierBusinessLogic/BusinessLogic/MessageInfoLogic.cs

@@ -0,0 +1,52 @@
+using DressAtelierContracts.BindingModels;
+using DressAtelierContracts.BusinessLogicContracts;
+using DressAtelierContracts.SearchModels;
+using DressAtelierContracts.StorageContracts;
+using DressAtelierContracts.ViewModels;
+using Microsoft.Extensions.Logging;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DressAtelierBusinessLogic.BusinessLogic
+{
+
+    public class MessageInfoLogic : IMessageInfoLogic
+    {
+        private readonly ILogger _logger;
+
+        private readonly IMessageInfoStorage _messageStorage;
+
+        public MessageInfoLogic(IMessageInfoStorage messageStorage,ILogger<MessageInfoLogic> logger)
+        {
+            _messageStorage = messageStorage;
+            _logger = logger;
+        }
+        public bool Create(MessageInfoBindingModel model)
+        {
+            if (_messageStorage.Insert(model) == null)
+            {
+                _logger.LogWarning("Insert operation failed");
+                return false;
+            }
+            return true;
+        }
+
+        public List<MessageInfoViewModel>? ReadList(MessageInfoSearchModel? model)
+        {
+            _logger.LogInformation("ReadList. ClientID:{ClientID}. ID:{ ID}", model?.ClientID, model?.ID);
+
+            var list = model == null ? _messageStorage.GetFullList() : _messageStorage.GetFilteredList(model);
+
+            if (list == null)
+            {
+                _logger.LogWarning("ReadList return null list");
+                return null;
+            }
+            _logger.LogInformation("ReadList. Count:{Count}", list.Count);
+            return list;
+        }
+    }
+}

DressAtelierBusinessLogic/BusinessLogic/OrderLogic.cs

@@ -1,4 +1,5 @@
-using DressAtelierContracts.BindingModels;
+using DressAtelierBusinessLogic.MailEmployee;
+using DressAtelierContracts.BindingModels;
 using DressAtelierContracts.BusinessLogicContracts;
 using DressAtelierContracts.SearchModels;
 using DressAtelierContracts.StorageContracts;
@@ -18,11 +19,14 @@ namespace DressAtelierBusinessLogic.BusinessLogic
         private readonly ILogger _logger;
 
         private readonly IOrderStorage _orderStorage;
-
-        public OrderLogic(ILogger<OrderLogic> logger, IOrderStorage orderStorage)
+        private readonly IClientStorage _clientStorage;
+        private readonly AbstractMailEmployee _mailLogic;
+        public OrderLogic(ILogger<OrderLogic> logger, IOrderStorage orderStorage, IClientStorage clientStorage, AbstractMailEmployee mailLogic)
         {
             _logger = logger;
             _orderStorage = orderStorage;
+            _clientStorage = clientStorage;
+            _mailLogic = mailLogic;
         }
 
         public bool CreateOrder(OrderBindingModel model)
@@ -36,11 +40,19 @@ namespace DressAtelierBusinessLogic.BusinessLogic
             }
 
             model.Status = OrderStatus.Accepted;
-            if (_orderStorage.Insert(model) == null)
+
+            var order = _orderStorage.Insert(model);
+            if (order == null)
             {
                 _logger.LogWarning("Insert operation failed");
                 return false;
             }
+
+            OrderViewModel orderViewModel = _orderStorage.GetElement(new OrderSearchModel { ID = order.ID});
+            ClientViewModel clientViewModel = _clientStorage.GetElement(new ClientSearchModel { ID = orderViewModel.ClientID });
+
+            SendEmail(clientViewModel,orderViewModel);
+
             return true;
         }
 
@@ -55,8 +67,14 @@ namespace DressAtelierBusinessLogic.BusinessLogic
             {
                 ID = model.ID
             }).EmployeeID;
+
             _orderStorage.Update(model);
 
+            OrderViewModel orderViewModel = _orderStorage.GetElement(new OrderSearchModel { ID = model.ID });
+            ClientViewModel clientViewModel = _clientStorage.GetElement(new ClientSearchModel { ID = orderViewModel.ClientID });
+
+            SendEmail(clientViewModel, orderViewModel);
+
             return true;
         }
 
@@ -69,7 +87,14 @@ namespace DressAtelierBusinessLogic.BusinessLogic
             {
                 ID = model.ID
             }).EmployeeID;
+
             _orderStorage.Update(model);
+
+            OrderViewModel orderViewModel = _orderStorage.GetElement(new OrderSearchModel { ID = model.ID });
+            ClientViewModel clientViewModel = _clientStorage.GetElement(new ClientSearchModel { ID = orderViewModel.ClientID });
+
+            SendEmail(clientViewModel, orderViewModel);
+
             return true;
         }
 
@@ -89,6 +114,12 @@ namespace DressAtelierBusinessLogic.BusinessLogic
             _logger.LogInformation("Update to in process status. ID:{ID}", model.ID);
             model.Status = OrderStatus.InProcess;
             _orderStorage.Update(model);
+
+            OrderViewModel orderViewModel = _orderStorage.GetElement(new OrderSearchModel { ID = model.ID });
+            ClientViewModel clientViewModel = _clientStorage.GetElement(new ClientSearchModel { ID = orderViewModel.ClientID });
+
+            SendEmail(clientViewModel, orderViewModel);
+
             return true;
 
         }
@@ -146,5 +177,37 @@ namespace DressAtelierBusinessLogic.BusinessLogic
                 throw new InvalidOperationException("Order with such name already exists.");
             }
         }
+
+        public void SendEmail(ClientViewModel clientModel ,OrderViewModel orderModel)
+        {
+            if(clientModel == null && orderModel == null)
+            {
+                return;
+            }
+
+            MailSendInfoBindingModel mailModel;
+
+            if (orderModel.Status == OrderStatus.Accepted)
+            {
+                mailModel = new MailSendInfoBindingModel
+                {
+                    Address = clientModel.Email,
+                    Subject = $"Order №{orderModel.ID}",
+                    Text = $"Your order №{orderModel.ID} by {orderModel.DateCreate} on {orderModel.Sum} was accepted!"
+                };
+            }
+            else
+            {
+                mailModel = new MailSendInfoBindingModel
+                {
+                    Address = clientModel.Email,
+                    Subject = $"Order №{orderModel.ID}",
+                    Text = $"Order №{orderModel.ID} status was changed to {orderModel.Status}"
+                };
+            }
+
+
+            _mailLogic.MailSendAsync(mailModel);
+        }
     }
 }

DressAtelierBusinessLogic/DressAtelierBusinessLogic.csproj

@@ -8,6 +8,7 @@
 
   <ItemGroup>
     <PackageReference Include="DocumentFormat.OpenXml" Version="2.19.0" />
+    <PackageReference Include="MailKit" Version="4.0.0" />
     <PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="7.0.0" />
     <PackageReference Include="PdfSharp.MigraDoc.Standard" Version="1.51.15" />
   </ItemGroup>

DressAtelierBusinessLogic/MailEmployee/AbstractMailEmployee.cs

@@ -0,0 +1,84 @@
+using DressAtelierContracts.BindingModels;
+using DressAtelierContracts.BusinessLogicContracts;
+using Microsoft.Extensions.Logging;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DressAtelierBusinessLogic.MailEmployee
+{
+    public abstract class AbstractMailEmployee
+    {
+        protected string _mailLogin = string.Empty; 
+        protected string _mailPassword = string.Empty; 
+        protected string _smtpClientHost = string.Empty;
+
+        protected int _smtpClientPort; 
+        protected string _popHost = string.Empty; 
+        protected int _popPort; 
+        private readonly IMessageInfoLogic _messageInfoLogic; 
+        private readonly ILogger _logger;
+
+        public AbstractMailEmployee(ILogger<AbstractMailEmployee> logger, IMessageInfoLogic messageInfoLogic) 
+        { 
+            _logger = logger;
+            _messageInfoLogic = messageInfoLogic; 
+        }
+
+        public void MailConfig(MailConfigBindingModel config) 
+        { 
+            _mailLogin = config.Login; 
+            _mailPassword = config.Password; 
+            _smtpClientHost = config.SmtpClientHost; 
+            _smtpClientPort = config.SmtpClientPort; 
+            _popHost = config.PopHost; 
+            _popPort = config.PopPort; 
+            _logger.LogDebug("Config: {login}, {password}, {clientHost}, {clientPort}, {popHost}, {popPort}", _mailLogin, _mailPassword, _smtpClientHost, _smtpClientPort, _popHost, _popPort); 
+        }
+
+        public async void MailSendAsync(MailSendInfoBindingModel info) 
+        { 
+            if (string.IsNullOrEmpty(_mailLogin) || string.IsNullOrEmpty(_mailPassword)) 
+            { 
+                return; 
+            }
+            if (string.IsNullOrEmpty(_smtpClientHost) || _smtpClientPort == 0) 
+            { 
+                return; 
+            } 
+            if (string.IsNullOrEmpty(info.Address) || string.IsNullOrEmpty(info.Subject) || string.IsNullOrEmpty(info.Text))
+            { 
+                return; 
+            } 
+            _logger.LogDebug("Send E-mail: {To}, {Subject}", info.Address, info.Subject); 
+            await SendMailAsync(info); 
+        }
+
+        public async void MailCheck() 
+        { 
+            if (string.IsNullOrEmpty(_mailLogin) || string.IsNullOrEmpty(_mailPassword)) 
+            { 
+                return; 
+            } 
+            if (string.IsNullOrEmpty(_popHost) || _popPort == 0) 
+            { 
+                return; 
+            } 
+            if (_messageInfoLogic == null) 
+            {
+                return; 
+            } 
+            var list = await ReceiveMailAsync(); 
+            _logger.LogDebug("Check E-Mail: {Count} new emails", list.Count); 
+            foreach (var mail in list) 
+            { 
+                _messageInfoLogic.Create(mail); 
+            } 
+        }
+
+        protected abstract Task SendMailAsync(MailSendInfoBindingModel info); 
+        protected abstract Task<List<MessageInfoBindingModel>> ReceiveMailAsync();
+    }
+}

DressAtelierBusinessLogic/MailEmployee/MailKitEmployee.cs

@@ -0,0 +1,84 @@
+using DressAtelierContracts.BindingModels;
+using DressAtelierContracts.BusinessLogicContracts;
+using Microsoft.Extensions.Logging;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Net.Mail;
+using System.Net;
+using System.Security.Authentication;
+using System.Text;
+using System.Threading.Tasks;
+using MailKit.Net;
+using MailKit.Security;
+using MailKit.Net.Pop3;
+
+namespace DressAtelierBusinessLogic.MailEmployee
+{
+    public class MailKitEmployee : AbstractMailEmployee
+    {
+        public MailKitEmployee(ILogger<MailKitEmployee> logger, IMessageInfoLogic messageInfoLogic) : base(logger, messageInfoLogic) 
+        { 
+
+        }
+        protected override async Task SendMailAsync(MailSendInfoBindingModel info) 
+        { 
+            using var objMailMessage = new MailMessage(); 
+            using var objSmtpClient = new SmtpClient(_smtpClientHost, _smtpClientPort); 
+            try 
+            { 
+                objMailMessage.From = new MailAddress(_mailLogin); 
+                objMailMessage.To.Add(new MailAddress(info.Address)); 
+                objMailMessage.Subject = info.Subject; objMailMessage.Body = info.Text; 
+                objMailMessage.SubjectEncoding = Encoding.UTF8; 
+                objMailMessage.BodyEncoding = Encoding.UTF8; 
+                objSmtpClient.UseDefaultCredentials = false; 
+                objSmtpClient.EnableSsl = true; 
+                objSmtpClient.DeliveryMethod = SmtpDeliveryMethod.Network; 
+                objSmtpClient.Credentials = new NetworkCredential(_mailLogin, _mailPassword); 
+                await Task.Run(() => objSmtpClient.Send(objMailMessage)); 
+            } 
+            catch (Exception) 
+            { 
+                throw; 
+            } 
+        }
+
+        protected override async Task<List<MessageInfoBindingModel>> ReceiveMailAsync() 
+        { 
+            var list = new List<MessageInfoBindingModel>(); 
+            using var client = new Pop3Client(); 
+            await Task.Run(() => { 
+                try 
+                { 
+                    client.Connect(_popHost, _popPort, SecureSocketOptions.SslOnConnect); 
+                    client.Authenticate(_mailLogin, _mailPassword); 
+                    for (int i = 0; i < client.Count; i++) 
+                    { 
+                        var message = client.GetMessage(i); 
+                        foreach (var mail in message.From.Mailboxes) 
+                        { 
+                            list.Add(new MessageInfoBindingModel 
+                            { 
+                                DeliveryDate = message.Date.DateTime, 
+                                ID = message.MessageId,
+                                SenderName = mail.Address, 
+                                Subject = message.Subject, 
+                                Body = message.TextBody  != null ? message.TextBody : message.HtmlBody  
+                            }); 
+                        } 
+                    } 
+                } 
+                catch (MailKit.Security.AuthenticationException) 
+                { 
+
+                } 
+                finally 
+                { 
+                    client.Disconnect(true); 
+                } 
+            }); 
+            return list; 
+        }
+    }
+}

DressAtelierClientApp/Controllers/HomeController.cs

@@ -109,5 +109,14 @@ namespace DressAtelierClientApp.Controllers
             var prod = APIClient.GetRequest<DressViewModel>($"api/main/getdress?dressID={dress}"); 
             return count * (prod?.Price ?? 1); 
         }
+
+        [HttpGet] public IActionResult Mail() 
+        {
+            if (APIClient.Client == null) 
+            { 
+                return Redirect("~/Home/Enter"); 
+            } 
+            return View(APIClient.GetRequest<List<MessageInfoViewModel>>($"api/client/getmessages?clientID={APIClient.Client.ID}")); 
+        }
     }
 }

DressAtelierClientApp/Views/Home/Mail.cshtml

@@ -0,0 +1,48 @@
+@using DressAtelierContracts.ViewModels
+@model List<MessageInfoViewModel>  
+@{  
+    ViewData["Title"] = "Mail"; 
+}  
+<div class="text-center">  
+    <h1 class="display-4">Orders</h1> 
+    </div>   
+    <div class="text-center">  
+        @{   
+            if (Model == null)   
+            {    
+                <h3 class="display-4">Log in</h3>    
+                return;   
+            }    
+            <table class="table">    
+                <thead>     
+                    <tr>      
+                        <th>       
+                        Date     
+                        </th>      
+                        <th>       
+                        Title     
+                        </th>      
+                        <th>       
+                        Text      
+                        </th>     
+                    </tr>    
+                </thead>      
+            <tbody>     
+            @foreach (var item in Model)     
+            {      
+                <tr>       
+                    <td>        
+                        @Html.DisplayFor(modelItem => item.DeliveryDate)       
+                        </td>       
+                        <td>        
+                        @Html.DisplayFor(modelItem => item.Subject)       
+                        </td>       
+                        <td>        
+                        @Html.DisplayFor(modelItem => item.Body)       
+                        </td>      
+                </tr>     
+            }    
+            </tbody>   
+            </table>  
+        } 
+    </div> 

DressAtelierClientApp/Views/Shared/_Layout.cshtml

@@ -25,6 +25,9 @@
                         <li class="nav-item">        
                             <a class="nav-link text-dark" asparea="" asp-controller="Home" asp-action="Privacy">Personal data</a>       
                         </li>       
+                        <li class="nav-item">        
+                            <a class="nav-link text-dark" asparea="" asp-controller="Home" asp-action="Mail">E-mails</a>       
+                        </li>
                         <li class="nav-item">        
                             <a class="nav-link text-dark" asparea="" asp-controller="Home" asp-action="Enter">Sign in</a>       
                         </li>       

DressAtelierContracts/BindingModels/MailConfigBindingModel.cs

@@ -0,0 +1,18 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DressAtelierContracts.BindingModels
+{
+    public class MailConfigBindingModel
+    {
+        public string Login { get; set; } = string.Empty; 
+        public string Password { get; set; } = string.Empty; 
+        public string SmtpClientHost { get; set; } = string.Empty; 
+        public int SmtpClientPort { get; set; }
+        public string PopHost { get; set; } = string.Empty; 
+        public int PopPort { get; set; }
+    }
+}

DressAtelierContracts/BindingModels/MailSendInfoBindingModel.cs

@@ -0,0 +1,15 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DressAtelierContracts.BindingModels
+{
+    public class MailSendInfoBindingModel
+    {
+        public string Address { get; set; } = string.Empty; 
+        public string Subject { get; set; } = string.Empty; 
+        public string Text { get; set; } = string.Empty;
+    }
+}

DressAtelierContracts/BindingModels/MessageInfoBindingModel.cs

@@ -0,0 +1,24 @@
+using DressAtelierDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DressAtelierContracts.BindingModels
+{
+    public class MessageInfoBindingModel : IMessageInfoModel
+    {
+        public string ID { get; set; } = string.Empty;
+
+        public int? ClientID { get; set; }
+
+        public string SenderName { get; set; } = string.Empty;
+
+        public DateTime DeliveryDate { get; set; }
+
+        public string Subject { get; set; } = string.Empty;
+
+        public string Body { get; set; } = string.Empty;
+    }
+}

DressAtelierContracts/BusinessLogicContracts/IMessageInfoLogic.cs

@@ -0,0 +1,17 @@
+using DressAtelierContracts.BindingModels;
+using DressAtelierContracts.SearchModels;
+using DressAtelierContracts.ViewModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DressAtelierContracts.BusinessLogicContracts
+{
+    public interface IMessageInfoLogic
+    {
+        List<MessageInfoViewModel>? ReadList(MessageInfoSearchModel? model); 
+        bool Create(MessageInfoBindingModel model);
+    }
+}

DressAtelierContracts/SearchModels/MessageInfoSearchModel.cs

@@ -0,0 +1,16 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DressAtelierContracts.SearchModels
+{
+    public class MessageInfoSearchModel
+    {
+        public string? ID { get; set; }
+        public int? ClientID { get; set; }
+
+    }
+
+}

DressAtelierContracts/StorageContracts/IMessageInfoStorage.cs

@@ -0,0 +1,19 @@
+using DressAtelierContracts.BindingModels;
+using DressAtelierContracts.SearchModels;
+using DressAtelierContracts.ViewModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DressAtelierContracts.StorageContracts
+{
+    public interface IMessageInfoStorage
+    {
+        List<MessageInfoViewModel> GetFullList(); 
+        List<MessageInfoViewModel> GetFilteredList(MessageInfoSearchModel model); 
+        MessageInfoViewModel? GetElement(MessageInfoSearchModel model); 
+        MessageInfoViewModel? Insert(MessageInfoBindingModel model);
+    }
+}

DressAtelierContracts/ViewModels/MessageInfoViewModel.cs

@@ -0,0 +1,29 @@
+using DressAtelierDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DressAtelierContracts.ViewModels
+{
+    public class MessageInfoViewModel : IMessageInfoModel
+    {
+        public string ID { get; set; } = string.Empty;
+
+        public int? ClientID { get; set; }
+
+        [DisplayName("Sender's name")]
+        public string SenderName { get; set; } = string.Empty;
+
+        [DisplayName("Delivery date")]
+        public DateTime DeliveryDate { get; set; }
+
+        [DisplayName("Message subject")]
+        public string Subject { get; set; } = string.Empty;
+
+        [DisplayName("Message content")]
+        public string Body { get; set; } = string.Empty;
+    }
+}

DressAtelierDataModels/Models/IMessageInfoModel.cs

@@ -0,0 +1,18 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DressAtelierDataModels.Models
+{
+    public interface IMessageInfoModel
+    {
+        string ID { get; }
+        int? ClientID { get; }
+        string SenderName { get; }
+        DateTime DeliveryDate { get; }
+        string Subject { get; }
+        string Body { get; }
+    }
+}

DressAtelierDatabaseImplement/DressAtelierDatabase.cs

@@ -26,5 +26,6 @@ namespace DressAtelierDatabaseImplementation
         public virtual DbSet<Order> Orders { set; get; }
         public virtual DbSet<Client> Clients { set; get; }
         public virtual DbSet<Employee> Employees { set; get; }
+        public virtual DbSet<MessageInfo> Messages { set; get; }
     }
 }

DressAtelierDatabaseImplement/Implements/ClientStorage.cs

@@ -48,7 +48,7 @@ namespace DressAtelierDatabaseImplement.Implements
         {
             if (string.IsNullOrEmpty(model.Email) && !model.ID.HasValue) { return null; }
             using var context = new DressAtelierDatabase();
-            return context.Clients.FirstOrDefault(x => (!(string.IsNullOrEmpty(model.Email)) && model.Email == x.Email) || (model.ID.HasValue && model.ID == x.ID))?.GetViewModel;
+            return context.Clients.FirstOrDefault(x => (!(string.IsNullOrEmpty(model.Email)) && model.Email.Equals(x.Email)) || (model.ID.HasValue && model.ID == x.ID))?.GetViewModel;
         }
 
         public List<ClientViewModel> GetFilteredList(ClientSearchModel model)

DressAtelierDatabaseImplement/Implements/MessageInfoStorage.cs

@@ -0,0 +1,67 @@
+using DressAtelierContracts.BindingModels;
+using DressAtelierContracts.SearchModels;
+using DressAtelierContracts.StorageContracts;
+using DressAtelierContracts.ViewModels;
+using DressAtelierDatabaseImplement.Models;
+using DressAtelierDatabaseImplementation;
+using Microsoft.EntityFrameworkCore;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DressAtelierDatabaseImplement.Implements
+{
+    public class MessageInfoStorage : IMessageInfoStorage
+    {
+        public MessageInfoViewModel? GetElement(MessageInfoSearchModel model)
+        {
+            if(string.IsNullOrEmpty(model.ID))
+            {
+                return null;
+            }
+            using var context = new DressAtelierDatabase();
+            return context.Messages.Include(x => x.Client).FirstOrDefault(x => x.ID.Equals(model.ID))?.GetViewModel;
+        }
+
+        public List<MessageInfoViewModel> GetFilteredList(MessageInfoSearchModel model)
+        {
+            if (!model.ClientID.HasValue)
+            {
+                return new();
+            }
+            using var context = new DressAtelierDatabase();
+            return context.Messages.Include(x => x.Client).Where(x => x.ClientID == model.ClientID).Select(x => x.GetViewModel).ToList() ;
+        }
+
+        public List<MessageInfoViewModel> GetFullList()
+        {
+            using var context = new DressAtelierDatabase();
+            return context.Messages.Include(x => x.Client).Select(x => x.GetViewModel).ToList();
+        }
+
+        public MessageInfoViewModel? Insert(MessageInfoBindingModel model)
+        {
+
+            using var context = new DressAtelierDatabase();
+
+            model.ClientID = context.Clients.FirstOrDefault(x => x.Email.Equals(model.SenderName))?.ID;
+
+            var message = MessageInfo.Create(model);
+            if (message == null)
+            {
+                return null;
+            }
+
+            if (GetElement(new MessageInfoSearchModel { ID = model.ID }) != null)
+            {
+                return null;
+            }
+
+            context.Messages.Add(message);
+            context.SaveChanges();
+            return message.GetViewModel;
+        }
+    }
+}

DressAtelierDatabaseImplement/Migrations/20230422104256_Messages.Designer.cs

@@ -0,0 +1,296 @@
+// <auto-generated />
+using System;
+using DressAtelierDatabaseImplementation;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Metadata;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+
+#nullable disable
+
+namespace DressAtelierDatabaseImplement.Migrations
+{
+    [DbContext(typeof(DressAtelierDatabase))]
+    [Migration("20230422104256_Messages")]
+    partial class Messages
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "7.0.4")
+                .HasAnnotation("Relational:MaxIdentifierLength", 128);
+
+            SqlServerModelBuilderExtensions.UseIdentityColumns(modelBuilder);
+
+            modelBuilder.Entity("DressAtelierDatabaseImplement.Models.Client", b =>
+                {
+                    b.Property<int>("ID")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("ID"));
+
+                    b.Property<string>("Email")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<string>("FullName")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<string>("Password")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.HasKey("ID");
+
+                    b.ToTable("Clients");
+                });
+
+            modelBuilder.Entity("DressAtelierDatabaseImplement.Models.Employee", b =>
+                {
+                    b.Property<int>("ID")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("ID"));
+
+                    b.Property<string>("FullName")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<string>("Password")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<int>("Qualification")
+                        .HasColumnType("int");
+
+                    b.Property<int>("WorkExperience")
+                        .HasColumnType("int");
+
+                    b.HasKey("ID");
+
+                    b.ToTable("Employees");
+                });
+
+            modelBuilder.Entity("DressAtelierDatabaseImplement.Models.MessageInfo", b =>
+                {
+                    b.Property<string>("ID")
+                        .HasColumnType("nvarchar(450)");
+
+                    b.Property<string>("Body")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<int?>("ClientID")
+                        .HasColumnType("int");
+
+                    b.Property<DateTime>("DeliveryDate")
+                        .HasColumnType("datetime2");
+
+                    b.Property<string>("SenderName")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<string>("Subject")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.HasKey("ID");
+
+                    b.HasIndex("ClientID");
+
+                    b.ToTable("Messages");
+                });
+
+            modelBuilder.Entity("DressAtelierDatabaseImplementation.Models.Dress", b =>
+                {
+                    b.Property<int>("ID")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("ID"));
+
+                    b.Property<string>("DressName")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<double>("Price")
+                        .HasColumnType("float");
+
+                    b.HasKey("ID");
+
+                    b.ToTable("Dresses");
+                });
+
+            modelBuilder.Entity("DressAtelierDatabaseImplementation.Models.DressMaterial", b =>
+                {
+                    b.Property<int>("ID")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("ID"));
+
+                    b.Property<int>("Count")
+                        .HasColumnType("int");
+
+                    b.Property<int>("DressID")
+                        .HasColumnType("int");
+
+                    b.Property<int>("MaterialID")
+                        .HasColumnType("int");
+
+                    b.HasKey("ID");
+
+                    b.HasIndex("DressID");
+
+                    b.HasIndex("MaterialID");
+
+                    b.ToTable("DressMaterials");
+                });
+
+            modelBuilder.Entity("DressAtelierDatabaseImplementation.Models.Material", b =>
+                {
+                    b.Property<int>("ID")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("ID"));
+
+                    b.Property<string>("ComponentName")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<double>("Cost")
+                        .HasColumnType("float");
+
+                    b.HasKey("ID");
+
+                    b.ToTable("Materials");
+                });
+
+            modelBuilder.Entity("DressAtelierDatabaseImplementation.Models.Order", b =>
+                {
+                    b.Property<int>("ID")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("ID"));
+
+                    b.Property<int>("ClientID")
+                        .HasColumnType("int");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("int");
+
+                    b.Property<DateTime>("DateCreate")
+                        .HasColumnType("datetime2");
+
+                    b.Property<DateTime?>("DateImplement")
+                        .HasColumnType("datetime2");
+
+                    b.Property<int>("DressID")
+                        .HasColumnType("int");
+
+                    b.Property<int?>("EmployeeID")
+                        .HasColumnType("int");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("int");
+
+                    b.Property<double>("Sum")
+                        .HasColumnType("float");
+
+                    b.HasKey("ID");
+
+                    b.HasIndex("ClientID");
+
+                    b.HasIndex("DressID");
+
+                    b.HasIndex("EmployeeID");
+
+                    b.ToTable("Orders");
+                });
+
+            modelBuilder.Entity("DressAtelierDatabaseImplement.Models.MessageInfo", b =>
+                {
+                    b.HasOne("DressAtelierDatabaseImplement.Models.Client", "Client")
+                        .WithMany()
+                        .HasForeignKey("ClientID");
+
+                    b.Navigation("Client");
+                });
+
+            modelBuilder.Entity("DressAtelierDatabaseImplementation.Models.DressMaterial", b =>
+                {
+                    b.HasOne("DressAtelierDatabaseImplementation.Models.Dress", "Dress")
+                        .WithMany("Materials")
+                        .HasForeignKey("DressID")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("DressAtelierDatabaseImplementation.Models.Material", "Material")
+                        .WithMany("DressComponents")
+                        .HasForeignKey("MaterialID")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Dress");
+
+                    b.Navigation("Material");
+                });
+
+            modelBuilder.Entity("DressAtelierDatabaseImplementation.Models.Order", b =>
+                {
+                    b.HasOne("DressAtelierDatabaseImplement.Models.Client", "Client")
+                        .WithMany("Orders")
+                        .HasForeignKey("ClientID")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("DressAtelierDatabaseImplementation.Models.Dress", "Dress")
+                        .WithMany("Orders")
+                        .HasForeignKey("DressID")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("DressAtelierDatabaseImplement.Models.Employee", "Employee")
+                        .WithMany("Orders")
+                        .HasForeignKey("EmployeeID");
+
+                    b.Navigation("Client");
+
+                    b.Navigation("Dress");
+
+                    b.Navigation("Employee");
+                });
+
+            modelBuilder.Entity("DressAtelierDatabaseImplement.Models.Client", b =>
+                {
+                    b.Navigation("Orders");
+                });
+
+            modelBuilder.Entity("DressAtelierDatabaseImplement.Models.Employee", b =>
+                {
+                    b.Navigation("Orders");
+                });
+
+            modelBuilder.Entity("DressAtelierDatabaseImplementation.Models.Dress", b =>
+                {
+                    b.Navigation("Materials");
+
+                    b.Navigation("Orders");
+                });
+
+            modelBuilder.Entity("DressAtelierDatabaseImplementation.Models.Material", b =>
+                {
+                    b.Navigation("DressComponents");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

DressAtelierDatabaseImplement/Migrations/20230422104256_Messages.cs

@@ -0,0 +1,48 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace DressAtelierDatabaseImplement.Migrations
+{
+    /// <inheritdoc />
+    public partial class Messages : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.CreateTable(
+                name: "Messages",
+                columns: table => new
+                {
+                    ID = table.Column<string>(type: "nvarchar(450)", nullable: false),
+                    ClientID = table.Column<int>(type: "int", nullable: true),
+                    SenderName = table.Column<string>(type: "nvarchar(max)", nullable: false),
+                    DeliveryDate = table.Column<DateTime>(type: "datetime2", nullable: false),
+                    Subject = table.Column<string>(type: "nvarchar(max)", nullable: false),
+                    Body = table.Column<string>(type: "nvarchar(max)", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Messages", x => x.ID);
+                    table.ForeignKey(
+                        name: "FK_Messages_Clients_ClientID",
+                        column: x => x.ClientID,
+                        principalTable: "Clients",
+                        principalColumn: "ID");
+                });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Messages_ClientID",
+                table: "Messages",
+                column: "ClientID");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "Messages");
+        }
+    }
+}

DressAtelierDatabaseImplement/Migrations/DressAtelierDatabaseModelSnapshot.cs

@@ -74,6 +74,36 @@ namespace DressAtelierDatabaseImplement.Migrations
                     b.ToTable("Employees");
                 });
 
+            modelBuilder.Entity("DressAtelierDatabaseImplement.Models.MessageInfo", b =>
+                {
+                    b.Property<string>("ID")
+                        .HasColumnType("nvarchar(450)");
+
+                    b.Property<string>("Body")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<int?>("ClientID")
+                        .HasColumnType("int");
+
+                    b.Property<DateTime>("DeliveryDate")
+                        .HasColumnType("datetime2");
+
+                    b.Property<string>("SenderName")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<string>("Subject")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.HasKey("ID");
+
+                    b.HasIndex("ClientID");
+
+                    b.ToTable("Messages");
+                });
+
             modelBuilder.Entity("DressAtelierDatabaseImplementation.Models.Dress", b =>
                 {
                     b.Property<int>("ID")
@@ -183,6 +213,15 @@ namespace DressAtelierDatabaseImplement.Migrations
                     b.ToTable("Orders");
                 });
 
+            modelBuilder.Entity("DressAtelierDatabaseImplement.Models.MessageInfo", b =>
+                {
+                    b.HasOne("DressAtelierDatabaseImplement.Models.Client", "Client")
+                        .WithMany()
+                        .HasForeignKey("ClientID");
+
+                    b.Navigation("Client");
+                });
+
             modelBuilder.Entity("DressAtelierDatabaseImplementation.Models.DressMaterial", b =>
                 {
                     b.HasOne("DressAtelierDatabaseImplementation.Models.Dress", "Dress")

DressAtelierDatabaseImplement/Models/Client.cs

@@ -26,6 +26,9 @@ namespace DressAtelierDatabaseImplement.Models
         [ForeignKey("ClientID")]
         public virtual List<Order> Orders { get; set; } = new();
 
+        [ForeignKey("ClientID")]
+        public virtual List<MessageInfo>? Messages { get; set; } = new();
+
         public static Client? Create(ClientBindingModel? model)
         {
             if (model == null)

DressAtelierDatabaseImplement/Models/MessageInfo.cs

@@ -0,0 +1,55 @@
+using DressAtelierContracts.BindingModels;
+using DressAtelierContracts.ViewModels;
+using DressAtelierDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DressAtelierDatabaseImplement.Models
+{
+    public class MessageInfo : IMessageInfoModel
+    {
+
+        public string ID { get; private set; } = string.Empty;
+
+        public int? ClientID { get; private set; }
+
+        public string SenderName { get; private set; } = string.Empty;
+        public DateTime DeliveryDate { get; private set; }
+
+        public string Subject { get; private set; } = string.Empty;
+
+        public string Body { get; private set; } = string.Empty;
+
+        public virtual Client? Client { get; private set; }
+
+        public static MessageInfo? Create(MessageInfoBindingModel model)
+        {
+            if(model == null)
+            {
+                return null;
+            }
+            return new MessageInfo
+            {
+                ID = model.ID,
+                ClientID = model.ClientID,
+                SenderName = model.SenderName,
+                Body = model.Body,
+                DeliveryDate = model.DeliveryDate,
+                Subject = model.Subject,
+            };
+        }
+
+        public MessageInfoViewModel GetViewModel => new()
+        {
+            ID = ID,
+            ClientID = ClientID,
+            SenderName = SenderName,
+            Body = Body,
+            DeliveryDate = DeliveryDate,
+            Subject = Subject,
+        };
+    }
+}

DressAtelierFileImplement/DataFileSingleton.cs

@@ -17,11 +17,13 @@ namespace DressAtelierFileImplement
         private readonly string DressFileName = "Dress.xml";
         private readonly string ClientFileName = "Client.xml";
         private readonly string EmployeeFileName = "Employee.xml";
+        private readonly string MessageInfoFileName = "Message.xml";
         public List<Material> Components { get; private set; }
         public List<Order> Orders { get; private set; }
         public List<Dress> Dresses { get; private set; }
         public List<Client> Clients { get; private set; }
         public List<Employee> Employees { get; private set; }
+        public List<MessageInfo> Messages { get; private set; }
         public static DataFileSingleton GetInstance()
         {
             if (instance == null)
@@ -35,6 +37,7 @@ namespace DressAtelierFileImplement
         public void SaveOrders() => SaveData(Orders, OrderFileName,"Orders", x => x.GetXElement);
         public void SaveClients() => SaveData(Clients, ClientFileName, "Clients", x => x.GetXElement);
         public void SaveEmployees() => SaveData(Employees, EmployeeFileName,"Employees",x => x.GetXElement);
+        public void SaveMessages() => SaveData(Messages, MessageInfoFileName, "Messages", x => x.GetXElement);
         private DataFileSingleton()
         {
             Components = LoadData(MaterialFileName, "Component", x => Material.Create(x)!)!;
@@ -42,6 +45,7 @@ namespace DressAtelierFileImplement
             Orders = LoadData(OrderFileName, "Order", x => Order.Create(x)!)!;
             Clients = LoadData(ClientFileName, "Client", x => Client.Create(x)!)!;
             Employees = LoadData(EmployeeFileName, "Employee", x => Employee.Create(x)!)!;
+            Messages = LoadData(MessageInfoFileName, "Message", x => MessageInfo.Create(x)!)!;
         }
         private static List<T>? LoadData<T>(string filename, string xmlNodeName,
        Func<XElement, T> selectFunction)

DressAtelierFileImplement/Implements/MessageInfoStorage.cs

@@ -0,0 +1,59 @@
+using DressAtelierContracts.BindingModels;
+using DressAtelierContracts.SearchModels;
+using DressAtelierContracts.StorageContracts;
+using DressAtelierContracts.ViewModels;
+using DressAtelierFileImplement.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Reflection;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DressAtelierFileImplement.Implements
+{
+    public class MessageInfoStorage : IMessageInfoStorage
+    {
+        private readonly DataFileSingleton _source;
+
+        public MessageInfoStorage()
+        {
+            _source = DataFileSingleton.GetInstance();
+        }
+
+        public MessageInfoViewModel? GetElement(MessageInfoSearchModel model)
+        {
+            if(string.IsNullOrEmpty(model.ID))
+            {
+                return null;
+            }
+            return _source.Messages.FirstOrDefault(x => x.ID.Equals(model.ID))?.GetViewModel;
+        }
+
+        public List<MessageInfoViewModel> GetFilteredList(MessageInfoSearchModel model)
+        {
+            if (!model.ClientID.HasValue)
+            {
+                return new();
+            }
+            return _source.Messages.Where(x => x.ClientID == model.ClientID).Select(x => x.GetViewModel).ToList();
+        }
+
+        public List<MessageInfoViewModel> GetFullList()
+        {
+            return _source.Messages.Select(x => x.GetViewModel).ToList();
+        }
+
+        public MessageInfoViewModel? Insert(MessageInfoBindingModel model)
+        {
+            var newMessage = MessageInfo.Create(model);
+            if(newMessage == null)
+            {
+                return null;
+            }
+            _source.Messages.Add(newMessage);
+            _source.SaveMessages();
+            return newMessage.GetViewModel;
+        }
+    }
+}

DressAtelierFileImplement/Models/MessageInfo.cs

@@ -0,0 +1,80 @@
+using DressAtelierContracts.BindingModels;
+using DressAtelierContracts.ViewModels;
+using DressAtelierDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Xml.Linq;
+
+namespace DressAtelierFileImplement.Models
+{
+    public class MessageInfo : IMessageInfoModel
+    {
+        public string ID { get; set; } = string.Empty;
+
+        public int? ClientID { get; set; }
+
+        public string SenderName { get; set; } = string.Empty;
+
+        public DateTime DeliveryDate { get; set; }
+
+        public string Subject { get; set; } = string.Empty;
+
+        public string Body { get; set; } = string.Empty;
+
+        public static MessageInfo? Create(MessageInfoBindingModel? model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new MessageInfo()
+            {
+                ID = model.ID,
+                ClientID = model.ClientID,
+                SenderName = model.SenderName,
+                DeliveryDate = model.DeliveryDate,
+                Subject = model.Subject,
+                Body = model.Body,
+
+            };
+        }
+
+        public static MessageInfo? Create(XElement element)
+        {
+            if (element == null)
+            {
+                return null;
+            }
+            return new MessageInfo()
+            {
+                ID = element.Attribute("ID")!.Value,
+                ClientID = Convert.ToInt32(element.Attribute("ClientID")!.Value),
+                SenderName = element.Element("SenderName")!.Value,
+                DeliveryDate = Convert.ToDateTime(element.Element("DeliveryDate")!.Value),
+                Subject = element.Attribute("Subject")!.Value,
+                Body = element.Attribute("Body")!.Value,
+            };
+        }
+
+        public MessageInfoViewModel GetViewModel => new()
+        {
+            ID = ID,
+            ClientID = ClientID,
+            SenderName = SenderName,
+            DeliveryDate = DeliveryDate,
+            Subject = Subject,
+            Body = Body
+        };
+
+        public XElement GetXElement => new("MessageInfo", new XAttribute("ID", ID),
+                                                       new XElement("ClientID", ClientID.ToString()),
+                                                       new XElement("SenderName", SenderName),
+                                                       new XElement("DeliveryDate", DeliveryDate),
+                                                       new XElement("Subject", Subject),
+                                                       new XElement("Body", Body),
+                                                       new XElement("SenderName", SenderName));
+    }
+}

DressAtelierListImplement/DataListSingleton.cs

@@ -15,6 +15,7 @@ namespace DressAtelierListImplement
         public List<Dress> Dresses { get; set; }
         public List<Client> Clients { get; set; }
         public List<Employee> Employees { get; set; }
+        public List<MessageInfo> Messages { get; set; }
         private DataListSingleton()
         {
             Components = new List<Material>();
@@ -22,6 +23,7 @@ namespace DressAtelierListImplement
             Dresses = new List<Dress>();
             Clients = new List<Client>();
             Employees = new List<Employee>();
+            Messages = new List<MessageInfo>();
         }
         public static DataListSingleton GetInstance()
         {

DressAtelierListImplement/Implements/MessageInfoStorage.cs

@@ -0,0 +1,66 @@
+using DressAtelierContracts.BindingModels;
+using DressAtelierContracts.SearchModels;
+using DressAtelierContracts.StorageContracts;
+using DressAtelierContracts.ViewModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DressAtelierListImplement.Implements
+{
+    public class MessageInfoStorage : IMessageInfoStorage
+    {
+        private readonly DataListSingleton _source;
+        public MessageInfoStorage(DataListSingleton source) 
+        {
+            _source = DataListSingleton.GetInstance();
+        }
+
+        public MessageInfoViewModel? GetElement(MessageInfoSearchModel model)
+        {
+            if(string.IsNullOrEmpty(model.ID))
+            {
+                return null;
+            }
+
+            foreach(var msg in _source.Messages)
+            {
+                if(msg.ID.Equals(model.ID))
+                {
+                    return msg.GetViewModel;
+                }
+            }
+            return null;
+        }
+
+        public List<MessageInfoViewModel> GetFilteredList(MessageInfoSearchModel model)
+        {
+            var list = new List<MessageInfoViewModel>();
+            foreach(var msg in _source.Messages)
+            {
+                if(msg.ClientID.HasValue && model.ClientID == msg.ClientID)
+                {
+                    list.Add(msg.GetViewModel);
+                }
+            }
+            return list;
+        }
+
+        public List<MessageInfoViewModel> GetFullList()
+        {
+            var list = new List<MessageInfoViewModel>();
+            foreach(var msg in _source.Messages)
+            {
+                list.Add(msg.GetViewModel);
+            }
+            return list;
+        }
+
+        public MessageInfoViewModel? Insert(MessageInfoBindingModel model)
+        {
+            return null;
+        }
+    }
+}

DressAtelierListImplement/Models/MessageInfo.cs

@@ -0,0 +1,51 @@
+using DressAtelierContracts.BindingModels;
+using DressAtelierContracts.ViewModels;
+using DressAtelierDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DressAtelierListImplement.Models
+{
+    public class MessageInfo : IMessageInfoModel
+    {
+        public string ID { get; set; } = string.Empty;
+
+        public int? ClientID { get; set; }
+
+        public string SenderName { get; set; } = string.Empty;
+
+        public DateTime DeliveryDate { get; set; }
+
+        public string Subject { get; set; } = string.Empty;
+
+        public string Body { get; set; } = string.Empty;
+
+        public static MessageInfo? Create(MessageInfoBindingModel? model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new()
+            {
+                ID = model.ID,
+                SenderName = model.SenderName,
+                DeliveryDate = model.DeliveryDate,
+                Subject = model.Subject,
+                Body = model.Body,
+            };
+        }
+
+        public MessageInfoViewModel GetViewModel => new()
+        {
+            ID = ID,
+            SenderName = SenderName,
+            DeliveryDate = DeliveryDate,
+            Subject = Subject,
+            Body = Body
+        };
+    }
+}

DressAtelierRestApi/Controllers/ClientController.cs

@@ -12,10 +12,12 @@ namespace DressAtelierRestApi.Controllers
     {
         private readonly ILogger _logger; 
         private readonly IClientLogic _logic;
-        public ClientController(IClientLogic logic, ILogger<ClientController> logger)
+        private readonly IMessageInfoLogic _mailLogic;
+        public ClientController(IClientLogic logic, ILogger<ClientController> logger, IMessageInfoLogic mailLogic)
         { 
             _logger = logger; 
             _logic = logic; 
+            _mailLogic = mailLogic;
         }
 
         [HttpGet] 
@@ -58,5 +60,22 @@ namespace DressAtelierRestApi.Controllers
                 throw;
             }
         }
+
+        [HttpGet] 
+        public List<MessageInfoViewModel>? GetMessages(int clientID) 
+        { 
+            try 
+            { 
+                return _mailLogic.ReadList(new MessageInfoSearchModel 
+                { 
+                    ClientID = clientID 
+                }); 
+            } 
+            catch (Exception ex) 
+            { 
+                _logger.LogError(ex, "Receiving letters for client error"); 
+                throw; 
+            } 
+        }
     }
 }

DressAtelierRestApi/Program.cs

@@ -1,4 +1,6 @@
 using DressAtelierBusinessLogic.BusinessLogic;
+using DressAtelierBusinessLogic.MailEmployee;
+using DressAtelierContracts.BindingModels;
 using DressAtelierContracts.BusinessLogicContracts;
 using DressAtelierContracts.StorageContracts;
 using DressAtelierDatabaseImplement.Implements;
@@ -16,12 +18,16 @@ builder.Logging.AddLog4Net("log4net.config");
 builder.Services.AddTransient<IClientStorage, ClientStorage>();
 builder.Services.AddTransient<IOrderStorage, OrderStorage>();
 builder.Services.AddTransient<IDressStorage, DressStorage>();
-builder.Services.AddTransient<IEmployeeStorage, EmployeeStorage>();
+builder.Services.AddTransient<IEmployeeStorage,EmployeeStorage>();
+builder.Services.AddTransient<IMessageInfoStorage, MessageInfoStorage>();
 
 builder.Services.AddTransient<IOrderLogic, OrderLogic>();
 builder.Services.AddTransient<IClientLogic, ClientLogic>();
 builder.Services.AddTransient<IDressLogic, DressLogic>();
 builder.Services.AddTransient<IEmployeeLogic, EmployeeLogic>();
+builder.Services.AddTransient<IMessageInfoLogic,MessageInfoLogic>();
+
+builder.Services.AddSingleton<AbstractMailEmployee,MailKitEmployee>();
 
 builder.Services.AddControllers();
 // Learn more about configuring Swagger/OpenAPI at https://aka.ms/aspnetcore/swashbuckle
@@ -32,6 +38,16 @@ builder.Services.AddSwaggerGen(c =>
 });
 
 var app = builder.Build();
+var mailSender = app.Services.GetService<AbstractMailEmployee>();
+mailSender?.MailConfig(new MailConfigBindingModel 
+{ 
+    Login = builder.Configuration?.GetSection("MailLogin")?.Value?.ToString() ?? string.Empty, 
+    Password = builder.Configuration?.GetSection("MailPassword")?.Value?.ToString() ?? string.Empty, 
+    SmtpClientHost = builder.Configuration?.GetSection("SmtpClientHost")?.Value?.ToString() ?? string.Empty, 
+    SmtpClientPort = Convert.ToInt32(builder.Configuration?.GetSection("SmtpClientPort")?.Value?.ToString()), 
+    PopHost = builder.Configuration?.GetSection("PopHost")?.Value?.ToString() ?? string.Empty, 
+    PopPort = Convert.ToInt32(builder.Configuration?.GetSection("PopPort")?.Value?.ToString()) 
+});
 
 // Configure the HTTP request pipeline.
 if (app.Environment.IsDevelopment())

DressAtelierRestApi/appsettings.json

@@ -5,5 +5,12 @@
       "Microsoft.AspNetCore": "Warning"
     }
   },
-  "AllowedHosts": "*"
+  "AllowedHosts": "*",
+
+  "SmtpClientHost": "smtp.rambler.ru",
+  "SmtpClientPort": "587",
+  "PopHost": "pop.rambler.ru",
+  "PopPort": "995",
+  "MailLogin": "chelovek.labov@rambler.ru",
+  "MailPassword": "Iloverpp4real"
 }

SewingDresses/App.config

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<configuration>
+	<appSettings>
+		<add key="SmtpClientHost" value="smtp.rambler.ru" />
+		<add key="SmtpClientPort" value="587" />
+		<add key="PopHost" value="pop.rambler.ru" />
+		<add key="PopPort" value="995" />
+		<add key="MailLogin" value="chelovek.labov@rambler.ru" />
+		<add key="MailPassword" value="Iloverpp4real" />
+	</appSettings>
+</configuration>

SewingDresses/FormEmails.Designer.cs

@@ -0,0 +1,64 @@
+namespace SewingDresses
+{
+    partial class FormEmails
+    {
+        /// <summary>
+        /// Required designer variable.
+        /// </summary>
+        private System.ComponentModel.IContainer components = null;
+
+        /// <summary>
+        /// Clean up any resources being used.
+        /// </summary>
+        /// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
+        protected override void Dispose(bool disposing)
+        {
+            if (disposing && (components != null))
+            {
+                components.Dispose();
+            }
+            base.Dispose(disposing);
+        }
+
+        #region Windows Form Designer generated code
+
+        /// <summary>
+        /// Required method for Designer support - do not modify
+        /// the contents of this method with the code editor.
+        /// </summary>
+        private void InitializeComponent()
+        {
+            this.emailsGridView = new System.Windows.Forms.DataGridView();
+            ((System.ComponentModel.ISupportInitialize)(this.emailsGridView)).BeginInit();
+            this.SuspendLayout();
+            // 
+            // emailsGridView
+            // 
+            this.emailsGridView.BackgroundColor = System.Drawing.SystemColors.ControlLightLight;
+            this.emailsGridView.ColumnHeadersHeightSizeMode = System.Windows.Forms.DataGridViewColumnHeadersHeightSizeMode.AutoSize;
+            this.emailsGridView.GridColor = System.Drawing.SystemColors.AppWorkspace;
+            this.emailsGridView.Location = new System.Drawing.Point(12, 12);
+            this.emailsGridView.Name = "emailsGridView";
+            this.emailsGridView.RowTemplate.Height = 25;
+            this.emailsGridView.Size = new System.Drawing.Size(776, 426);
+            this.emailsGridView.TabIndex = 0;
+            // 
+            // FormEmails
+            // 
+            this.AutoScaleDimensions = new System.Drawing.SizeF(7F, 15F);
+            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
+            this.ClientSize = new System.Drawing.Size(800, 450);
+            this.Controls.Add(this.emailsGridView);
+            this.Name = "FormEmails";
+            this.Text = "FormEmails";
+            this.Load += new System.EventHandler(this.FormEmails_Load);
+            ((System.ComponentModel.ISupportInitialize)(this.emailsGridView)).EndInit();
+            this.ResumeLayout(false);
+
+        }
+
+        #endregion
+
+        private DataGridView emailsGridView;
+    }
+}

SewingDresses/FormEmails.cs

@@ -0,0 +1,53 @@
+using DressAtelierContracts.BusinessLogicContracts;
+using Microsoft.Extensions.Logging;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Data;
+using System.Drawing;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows.Forms;
+
+namespace SewingDresses
+{
+    public partial class FormEmails : Form
+    {
+        private readonly ILogger _logger;
+        private readonly IMessageInfoLogic _logic;
+
+        public FormEmails(ILogger<FormEmails> logger, IMessageInfoLogic logic)
+        {
+            InitializeComponent();
+            _logger = logger;
+            _logic = logic;
+        }
+
+        private void FormEmails_Load(object sender, EventArgs e)
+        {
+            LoadData();
+        }
+
+        private void LoadData()
+        {
+            try
+            {
+                var list = _logic.ReadList(null);
+                if (list != null)
+                {
+                    emailsGridView.DataSource = list;
+                    emailsGridView.Columns["ClientID"].Visible = false;
+                    emailsGridView.Columns["ID"].Visible = false;
+                    emailsGridView.Columns["Body"].AutoSizeMode = DataGridViewAutoSizeColumnMode.Fill;
+                }
+                _logger.LogInformation("Loading materials");
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Error loading materials");
+                MessageBox.Show(ex.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
+            }
+        }
+    }
+}

SewingDresses/FormEmails.resx

@@ -0,0 +1,60 @@
+<root>
+  <xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
+    <xsd:import namespace="http://www.w3.org/XML/1998/namespace" />
+    <xsd:element name="root" msdata:IsDataSet="true">
+      <xsd:complexType>
+        <xsd:choice maxOccurs="unbounded">
+          <xsd:element name="metadata">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" />
+              </xsd:sequence>
+              <xsd:attribute name="name" use="required" type="xsd:string" />
+              <xsd:attribute name="type" type="xsd:string" />
+              <xsd:attribute name="mimetype" type="xsd:string" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="assembly">
+            <xsd:complexType>
+              <xsd:attribute name="alias" type="xsd:string" />
+              <xsd:attribute name="name" type="xsd:string" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="data">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+                <xsd:element name="comment" type="xsd:string" minOccurs="0" msdata:Ordinal="2" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" msdata:Ordinal="1" />
+              <xsd:attribute name="type" type="xsd:string" msdata:Ordinal="3" />
+              <xsd:attribute name="mimetype" type="xsd:string" msdata:Ordinal="4" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="resheader">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" />
+            </xsd:complexType>
+          </xsd:element>
+        </xsd:choice>
+      </xsd:complexType>
+    </xsd:element>
+  </xsd:schema>
+  <resheader name="resmimetype">
+    <value>text/microsoft-resx</value>
+  </resheader>
+  <resheader name="version">
+    <value>2.0</value>
+  </resheader>
+  <resheader name="reader">
+    <value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+  <resheader name="writer">
+    <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+</root>

SewingDresses/FormMain.Designer.cs

@@ -33,6 +33,7 @@
             materialsToolStripMenuItem = new ToolStripMenuItem();
             dressesToolStripMenuItem = new ToolStripMenuItem();
             clientsToolStripMenuItem = new ToolStripMenuItem();
+            employeesToolStripMenuItem = new ToolStripMenuItem();
             reportsToolStripMenuItem = new ToolStripMenuItem();
             materialsListToolStripMenuItem = new ToolStripMenuItem();
             materialsByDressesToolStripMenuItem = new ToolStripMenuItem();
@@ -42,7 +43,7 @@
             createOrderButton = new Button();
             givenOrderButton = new Button();
             refreshOrdersButton = new Button();
-            employeesToolStripMenuItem = new ToolStripMenuItem();
+            emailsToolStripMenuItem = new ToolStripMenuItem();
             menuStrip.SuspendLayout();
             ((System.ComponentModel.ISupportInitialize)dataGridView).BeginInit();
             SuspendLayout();
@@ -58,7 +59,7 @@
             // 
             // directoriesToolStripMenuItem
             // 
-            directoriesToolStripMenuItem.DropDownItems.AddRange(new ToolStripItem[] { materialsToolStripMenuItem, dressesToolStripMenuItem, clientsToolStripMenuItem, employeesToolStripMenuItem });
+            directoriesToolStripMenuItem.DropDownItems.AddRange(new ToolStripItem[] { materialsToolStripMenuItem, dressesToolStripMenuItem, clientsToolStripMenuItem, employeesToolStripMenuItem, emailsToolStripMenuItem });
             directoriesToolStripMenuItem.Name = "directoriesToolStripMenuItem";
             directoriesToolStripMenuItem.Size = new Size(75, 20);
             directoriesToolStripMenuItem.Text = "Directories";
@@ -84,6 +85,13 @@
             clientsToolStripMenuItem.Text = "Clients";
             clientsToolStripMenuItem.Click += clientsToolStripMenuItem_Click;
             // 
+            // employeesToolStripMenuItem
+            // 
+            employeesToolStripMenuItem.Name = "employeesToolStripMenuItem";
+            employeesToolStripMenuItem.Size = new Size(180, 22);
+            employeesToolStripMenuItem.Text = "Employees";
+            employeesToolStripMenuItem.Click += employeesToolStripMenuItem_Click;
+            // 
             // reportsToolStripMenuItem
             // 
             reportsToolStripMenuItem.DropDownItems.AddRange(new ToolStripItem[] { materialsListToolStripMenuItem, materialsByDressesToolStripMenuItem, ordersListToolStripMenuItem });
@@ -159,12 +167,12 @@
             refreshOrdersButton.UseVisualStyleBackColor = true;
             refreshOrdersButton.Click += ButtonRef_Click;
             // 
-            // employeesToolStripMenuItem
+            // emailsToolStripMenuItem
             // 
-            employeesToolStripMenuItem.Name = "employeesToolStripMenuItem";
-            employeesToolStripMenuItem.Size = new Size(180, 22);
-            employeesToolStripMenuItem.Text = "Employees";
-            employeesToolStripMenuItem.Click += employeesToolStripMenuItem_Click;
+            emailsToolStripMenuItem.Name = "emailsToolStripMenuItem";
+            emailsToolStripMenuItem.Size = new Size(180, 22);
+            emailsToolStripMenuItem.Text = "Emails";
+            emailsToolStripMenuItem.Click += emailsToolStripMenuItem_Click;
             // 
             // FormMain
             // 
@@ -204,5 +212,6 @@
         private ToolStripMenuItem clientsToolStripMenuItem;
         private ToolStripMenuItem startWorkingToolStripMenuItem;
         private ToolStripMenuItem employeesToolStripMenuItem;
+        private ToolStripMenuItem emailsToolStripMenuItem;
     }
 }

SewingDresses/FormMain.cs

@@ -177,5 +177,14 @@ namespace SewingDresses
                 form.ShowDialog();
             }
         }
+
+        private void emailsToolStripMenuItem_Click(object sender, EventArgs e)
+        {
+            var service = Program.ServiceProvider?.GetService(typeof(FormEmails));
+            if (service is FormEmails form)
+            {
+                form.ShowDialog();
+            }
+        }
     }
 }

SewingDresses/Program.cs

@@ -1,6 +1,8 @@
 using DressAtelierBusinessLogic.BusinessLogic;
+using DressAtelierBusinessLogic.MailEmployee;
 using DressAtelierBusinessLogic.OfficePackage;
 using DressAtelierBusinessLogic.OfficePackage.Implements;
+using DressAtelierContracts.BindingModels;
 using DressAtelierContracts.BusinessLogicContracts;
 using DressAtelierContracts.StorageContracts;
 using DressAtelierDatabaseImplement.Implements;
@@ -28,6 +30,28 @@ namespace SewingDresses
             var services = new ServiceCollection();
             ConfigureServices(services);
             _serviceProvider = services.BuildServiceProvider();
+
+            try
+            {
+                var mailSender = _serviceProvider.GetService<AbstractMailEmployee>(); 
+                mailSender?.MailConfig(new MailConfigBindingModel 
+                {
+                    Login = System.Configuration.ConfigurationManager.AppSettings["MailLogin"] ?? string.Empty, 
+                    Password = System.Configuration.ConfigurationManager.AppSettings["MailPassword"] ?? string.Empty, 
+                    SmtpClientHost = System.Configuration.ConfigurationManager.AppSettings["SmtpClientHost"] ?? string.Empty, 
+                    SmtpClientPort = Convert.ToInt32(System.Configuration.ConfigurationManager.AppSettings["SmtpClientPort"]), 
+                    PopHost = System.Configuration.ConfigurationManager.AppSettings["PopHost"] ?? string.Empty, 
+                    PopPort = Convert.ToInt32(System.Configuration.ConfigurationManager.AppSettings["PopPort"]) 
+                });      
+                // ñîçäàåì òàéìåð
+                var timer = new System.Threading.Timer(new TimerCallback(MailCheck!), null, 0, 100000);    
+            }    
+            catch(Exception ex)             
+            {     
+                var logger = _serviceProvider.GetService<ILogger>();     
+                logger?.LogError(ex, "Working with email error");    
+            } 
+
             Application.Run(_serviceProvider.GetRequiredService<FormMain>());
         }
 
@@ -43,6 +67,7 @@ namespace SewingDresses
             services.AddTransient<IDressStorage, DressStorage>();
             services.AddTransient<IClientStorage, ClientStorage>();
             services.AddTransient<IEmployeeStorage, EmployeeStorage>();
+            services.AddTransient<IMessageInfoStorage,MessageInfoStorage>();
 
             services.AddTransient<IMaterialLogic, MaterialLogic>();
             services.AddTransient<IOrderLogic, OrderLogic>();
@@ -50,7 +75,10 @@ namespace SewingDresses
             services.AddTransient<IReportLogic, ReportLogic>();
             services.AddTransient<IClientLogic, ClientLogic>();
             services.AddTransient<IEmployeeLogic, EmployeeLogic>();
+            services.AddTransient<IMessageInfoLogic, MessageInfoLogic>();
+
             services.AddTransient<IWorkImitation, WorkImitation>();
+            services.AddSingleton<AbstractMailEmployee, MailKitEmployee>();
 
             services.AddTransient<AbstractSaveToExcel, SaveToExcel>();
             services.AddTransient<AbstractSaveToWord, SaveToWord>();
@@ -68,7 +96,10 @@ namespace SewingDresses
             services.AddTransient<FormClients>();
             services.AddTransient<FormEmployees>();
             services.AddTransient<FormEmployee>();
+            services.AddTransient<FormEmails>();
         }
 
+        private static void MailCheck(object obj) => ServiceProvider?.GetService<AbstractMailEmployee>()?.MailCheck();
+
     }
 }

SewingDresses/SewingDresses.csproj

@@ -59,6 +59,9 @@
   </ItemGroup>
 
 	<ItemGroup>
+		<None Update="App.config">
+		  <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+		</None>
 		<None Update="ReportOrders.rdlc">
 			<CopyToOutputDirectory>Always</CopyToOutputDirectory>
 		</None>