Aggiunta implementazione MailKit

Author: AngeloDotNet

src/NET6CustomLibrary/MailKit/Options/SmtpOptions.cs

@@ -0,0 +1,11 @@
+namespace NET6CustomLibrary.MailKit.Options;
+
+public class SmtpOptions
+{
+    public string Host { get; set; }
+    public int Port { get; set; }
+    public SecureSocketOptions Security { get; set; }
+    public string Username { get; set; }
+    public string Password { get; set; }
+    public string Sender { get; set; }
+}

src/NET6CustomLibrary/MailKit/Services/IEmailClient.cs

@@ -0,0 +1,6 @@
+namespace NET6CustomLibrary.MailKit.Services;
+
+public interface IEmailClient : IEmailSender
+{
+    Task<bool> SendEmailAsync(string recipientEmail, string replyToEmail, string subject, string htmlMessage, CancellationToken token = default);
+}

src/NET6CustomLibrary/MailKit/Services/MailKitEmailSender.cs

@@ -0,0 +1,63 @@
+namespace NET6CustomLibrary.MailKit.Services;
+
+public class MailKitEmailSender : IEmailClient
+{
+    private readonly ILoggerService loggerService;
+    private readonly IOptionsMonitor<SmtpOptions> smtpOptionsMonitor;
+
+    public MailKitEmailSender(ILoggerService loggerService, IOptionsMonitor<SmtpOptions> smtpOptionsMonitor)
+    {
+        this.loggerService = loggerService;
+        this.smtpOptionsMonitor = smtpOptionsMonitor;
+    }
+
+    public Task SendEmailAsync(string email, string subject, string htmlMessage)
+    {
+        return SendEmailAsync(email, string.Empty, subject, htmlMessage);
+    }
+
+    public async Task<bool> SendEmailAsync(string recipientEmail, string replyToEmail, string subject,
+        string htmlMessage, CancellationToken token = default)
+    {
+        try
+        {
+            var options = smtpOptionsMonitor.CurrentValue;
+
+            using SmtpClient client = new();
+
+            await client.ConnectAsync(options.Host, options.Port, options.Security, token);
+
+            if (!string.IsNullOrEmpty(options.Username))
+            {
+                await client.AuthenticateAsync(options.Username, options.Password, token);
+            }
+
+            MimeMessage message = new();
+
+            message.From.Add(MailboxAddress.Parse(options.Sender));
+            message.To.Add(MailboxAddress.Parse(recipientEmail));
+
+            if (replyToEmail is not (null or ""))
+            {
+                message.ReplyTo.Add(MailboxAddress.Parse(replyToEmail));
+            }
+
+            message.Subject = subject;
+            message.Body = new TextPart("html")
+            {
+                Text = htmlMessage
+            };
+
+            await client.SendAsync(message, token);
+            await client.DisconnectAsync(true, token);
+
+            loggerService.SaveLogInformation($"Message successfully sent to the email address {recipientEmail}");
+            return true;
+        }
+        catch
+        {
+            loggerService.SaveLogError($"Couldn't send email to {recipientEmail} with message {htmlMessage}");
+            return false;
+        }
+    }
+}