added business layer logic

DeskHubSharpRevised/BLL/EmailBLL.cs

@@ -0,0 +1,99 @@
+using System;
+using DeskHubSharpRevised.Models;
+using MailKit;
+using MailKit.Net.Smtp;
+using MailKit.Security;
+using MimeKit;
+
+namespace DeskHubSharpRevised.BLL;
+
+public class EmailBLL
+{
+    private string _name;
+    private string _message;
+    private string _emailText;
+
+    public EmailBLL(string name, string message, string emailText)
+    {
+        _name = name;
+        _message = message;
+        _emailText = emailText;
+    }
+
+    /// <summary>
+    /// Checks to see if Email is valid to send
+    /// </summary>
+    /// <returns></returns>
+    private bool IsValidated()
+    { 
+        if (_name == "")
+        {
+            ErrorWindow err = new ErrorWindow();
+            err.lbl_title.Content = "Oops.";
+            err.txtblk_error.Text = "Please fill in your name.";
+            err.Show();
+            return false;
+        }
+        if (_message == "")
+        {
+            ErrorWindow err = new ErrorWindow();
+            err.lbl_title.Content = "Oops.";
+            err.txtblk_error.Text = "Please fill in your message to the developer.";
+            err.Show();
+            return false;
+        }
+        if (_emailText == "")
+        {
+            ErrorWindow err = new ErrorWindow();
+            err.lbl_title.Content = "Oops.";
+            err.txtblk_error.Text = "Please fill in your email.";
+            err.Show();
+            return false;
+        }
+
+        return true;
+    }
+
+    /// <summary>
+    /// Creates message for user to send
+    /// </summary>
+    public void CreateMessage()
+    {
+        if (IsValidated())
+        {
+            try
+            {
+                var email = new Email();
+                var err = new ErrorWindow();
+                var message = new MimeMessage();
+
+                message.From.Add(new MailboxAddress($"{_name}", email.FromEmail));
+                message.To.Add(new MailboxAddress("Wyatt J. Miller", email.ToEmail));
+                message.Subject = $"{_name} requires your attention!";
+                message.Body = new TextPart("plain")
+                {
+                    Text = _message + " " + _emailText
+                };
+
+                using (var client = new SmtpClient())
+                {
+                    client.Connect("smtp.gmail.com", 465, SecureSocketOptions.SslOnConnect);
+                    client.Authenticate(email.FromEmail, email.Password);
+                    client.Send(message);
+                    client.Disconnect(true);
+                }
+
+                err.lbl_title.Content = "Thank you!";
+                err.txtblk_error.Text = "Thank you for sending your email! We have it and will reply shortly.";
+                err.Show();
+            }
+            catch (Exception e)
+            {
+                ErrorWindow err = new ErrorWindow();
+                Console.WriteLine("Exception caught in sending message: {0}",
+                        e.ToString());
+                err.Show();
+            }
+        }
+    }
+}