Upload files to 'ShipyardBusinessLogic/MailWorker'

ShipyardBusinessLogic/MailWorker/AbstractMailWorker.cs

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+using Microsoft.Extensions.Logging;
+using ShipyardContracts.BindingModels;
+using ShipyardContracts.BusinessLogicContracts;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ShipyardBusinessLogic.MailWorker
+{
+    public abstract class AbstractMailWorker
+    {
+        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 AbstractMailWorker(ILogger<AbstractMailWorker> logger,
+       IMessageInfoLogic messageInfoLogic)
+        {
+            _logger = logger;
+            _messageInfoLogic = messageInfoLogic;
+        }
+        public void MailConfig(MailConfigBindingModel config)
+        {
+            _mailLogin = config.MailLogin;
+            _mailPassword = config.MailPassword;
+            _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.MailAddress) ||
+           string.IsNullOrEmpty(info.Subject) || string.IsNullOrEmpty(info.Text))
+            {
+                return;
+            }
+            _logger.LogDebug("Send Mail: {To}, {Subject}", info.MailAddress,
+           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 Mail: {Count} new mails", list.Count);
+            foreach (var mail in list)
+            {
+                _messageInfoLogic.Create(mail);
+            }
+        }
+        protected abstract Task SendMailAsync(MailSendInfoBindingModel info);
+        protected abstract Task<List<MessageInfoBindingModel>> ReceiveMailAsync();
+    }
+}

ShipyardBusinessLogic/MailWorker/MailKitWorker.cs

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+using Microsoft.Extensions.Logging;
+using ShipyardContracts.BindingModels;
+using ShipyardContracts.BusinessLogicContracts;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Net.Mail;
+using System.Net;
+using System.Text;
+using System.Threading.Tasks;
+using MailKit.Net.Pop3;
+using MailKit.Security;
+
+namespace ShipyardBusinessLogic.MailWorker
+{
+    public class MailKitWorker : AbstractMailWorker
+    {
+        public MailKitWorker(ILogger<MailKitWorker> 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.MailAddress));
+                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
+                            {
+                                DateDelivery = message.Date.DateTime,
+                                MessageId = message.MessageId,
+                                SenderName = mail.Address,
+                                Subject = message.Subject,
+                                Body = message.TextBody
+                            });
+                        }
+                    }
+                }
+                catch (AuthenticationException)
+                { }
+                finally
+                {
+                    client.Disconnect(true);
+                }
+            });
+            return list;
+        }
+
+    }
+}