Changes

cv-matcher-api/Services/EmailService.cs

@@ -0,0 +1,46 @@
+using Api.Services.Contracts;
+using Api.Settings;
+using MailKit.Net.Smtp;
+using MailKit.Security;
+using Microsoft.Extensions.Options;
+using MimeKit;
+
+namespace Api.Services;
+
+public sealed class EmailService : IEmailService
+{
+    private readonly SmtpSettings _settings;
+    private readonly ILogger<EmailService> _logger;
+
+    public EmailService(IOptions<SmtpSettings> options, ILogger<EmailService> logger)
+    {
+        _settings = options.Value;
+        _logger = logger;
+    }
+
+    public async Task SendMatchAsync(string? explicitTo, string subject, string body, CancellationToken ct)
+    {
+        var to = !string.IsNullOrWhiteSpace(explicitTo) ? explicitTo : _settings.ToEmail;
+        if (string.IsNullOrWhiteSpace(_settings.Host) || string.IsNullOrWhiteSpace(to))
+        {
+            _logger.LogInformation("SMTP is not configured. Skipping CV matcher email.");
+            return;
+        }
+
+        var message = new MimeMessage();
+        message.From.Add(MailboxAddress.Parse(_settings.FromEmail));
+        message.To.Add(MailboxAddress.Parse(to));
+        message.Subject = subject;
+        message.Body = new TextPart("plain") { Text = body };
+
+        using var client = new SmtpClient();
+        var secureSocket = _settings.UseStartTls ? SecureSocketOptions.StartTls : SecureSocketOptions.Auto;
+        await client.ConnectAsync(_settings.Host, _settings.Port, secureSocket, ct);
+        if (!string.IsNullOrWhiteSpace(_settings.Username))
+        {
+            await client.AuthenticateAsync(_settings.Username, _settings.Password, ct);
+        }
+        await client.SendAsync(message, ct);
+        await client.DisconnectAsync(true, ct);
+    }
+}