Backend login and register

src/Application/Services/EmailService.cs

@@ -0,0 +1,49 @@
+using Application.Interfaces;
+using Application.Models;
+using MailKit.Net.Smtp;
+using Microsoft.Extensions.Configuration;
+using MimeKit;
+using MimeKit.Text;
+
+namespace Application.Services;
+
+public class EmailService(IConfiguration config, Func<ISmtpClient>? smtpClientFactory)
+    : IEmailService
+{
+    private readonly Func<ISmtpClient> _smtpClientFactory = smtpClientFactory ?? (() => new SmtpClient());
+
+    public EmailService(IConfiguration config) : this(config, null)
+    {
+    }
+
+    public void SendEmailAsync(EmailRequest emailRequest)
+    {
+        var emailMessage = new MimeMessage();
+        var from = config["EmailSettings:From"];
+        emailMessage.From.Add(new MailboxAddress("RssReader", from));
+        emailMessage.To.Add(new MailboxAddress(emailRequest.To, emailRequest.To));
+        emailMessage.Subject = emailRequest.Subject;
+        emailMessage.Body = new TextPart(TextFormat.Html)
+        {
+            Text = string.Format(emailRequest.Content)
+        };
+
+        var client = _smtpClientFactory();
+        try
+        {
+            client.Connect(config["EmailSettings:SmtpServer"], 465, true);
+            client.Authenticate(config["EmailSettings:From"], config["EmailSettings:Password"]);
+            client.Send(emailMessage);
+        }
+        catch (Exception e)
+        {
+            Console.WriteLine(e);
+            throw;
+        }
+        finally
+        {
+            client.Disconnect(true);
+            client.Dispose();
+        }
+    }
+}