logic added

Massmailer.Shared/Logic/Mailer.cs

@@ -39,6 +39,34 @@ namespace Massmailer.Shared.Logic
             return message;
         }
 
+        public async Task SendMailsAsync(MassmailerProject project)
+        {
+            try
+            {
+                await this.smtpClient.ConnectAsync(this.smtpSettings.Server, this.smtpSettings.Port, this.smtpSettings.UseSsl);
+                await this.smtpClient.AuthenticateAsync(this.smtpSettings.Username, this.smtpSettings.Password);
+
+                foreach (var recipient in project.Recipients)
+                {
+                    await this.CheckForWaitTime();
+
+                    var message = this.CreateMessage(recipient.Address, project.Subject, project.Body);
+                    await this.smtpClient.SendAsync(message);
+
+                    this.lastMailSent = DateTime.Now;
+                    recipient.IsSent = true;
+                    recipient.SentDate = this.lastMailSent;
+                    this.hub.Publish<MailSentEvent>(new MailSentEvent(message.To[0].ToString(), this.lastMailSent));
+                }
+
+                await this.smtpClient.DisconnectAsync(true);
+            }
+            catch (Exception ex)
+            {
+                throw new InvalidOperationException("Something went wrong while sending many mails", ex);
+            }
+        }
+
         public List<MimeMessage> CreateMessages(List<string> recipients, string subject, string body)
         {
             var result = new List<MimeMessage>();