Feedback page

api/App/Endpoints/FeedbackEndpoints.cs

@@ -0,0 +1,71 @@
+using MailKit.Net.Smtp;
+using MailKit.Security;
+using Microsoft.Extensions.Options;
+using MimeKit;
+
+public record FeedbackRequest(string? Message);
+
+public class EmailOptions
+{
+    public string SmtpHost { get; set; } = string.Empty;
+    public int SmtpPort { get; set; } = 587;
+    public string FromAddress { get; set; } = string.Empty;
+    public string ToAddress { get; set; } = string.Empty;
+    public string Username { get; set; } = string.Empty;
+    public string Password { get; set; } = string.Empty;
+}
+
+public static class FeedbackEndpoints
+{
+    public static void MapFeedbackEndpoints(WebApplication app)
+    {
+        app.MapPost("/feedback", async (
+            FeedbackRequest request,
+            IOptions<EmailOptions> emailOptions,
+            ILogger<Program> logger) =>
+        {
+            if (string.IsNullOrWhiteSpace(request.Message))
+            {
+                return Results.BadRequest(new { Message = "Feedback message is required." });
+            }
+
+            var message = request.Message.Trim();
+
+            if (message.Length > 5000)
+            {
+                return Results.BadRequest(new { Message = "Feedback message is too long." });
+            }
+
+            var options = emailOptions.Value;
+
+            var email = new MimeMessage();
+            email.From.Add(MailboxAddress.Parse(options.FromAddress));
+            email.To.Add(MailboxAddress.Parse(options.ToAddress));
+            email.Subject = "Klapi – New feedback";
+            email.Body = new TextPart("plain") { Text = message };
+
+            try
+            {
+                using var smtp = new SmtpClient();
+                await smtp.ConnectAsync(options.SmtpHost, options.SmtpPort, SecureSocketOptions.StartTls);
+
+                if (!string.IsNullOrWhiteSpace(options.Username))
+                {
+                    await smtp.AuthenticateAsync(options.Username, options.Password);
+                }
+
+                await smtp.SendAsync(email);
+                await smtp.DisconnectAsync(true);
+            }
+            catch (Exception ex)
+            {
+                logger.LogError(ex, "Failed to send feedback email.");
+                return Results.Problem("Failed to send feedback. Please try again later.");
+            }
+
+            return Results.Ok(new { Message = "Feedback sent." });
+        })
+        .RequireCors("FrontendWriteCors")
+        .WithName("SubmitFeedback");
+    }
+}