Connect form email.

plushealthtech/Pages/Subscribe.cshtml.cs

@@ -0,0 +1,64 @@
+using System.ComponentModel.DataAnnotations;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.AspNetCore.Mvc.RazorPages;
+using plushealthtech.Mail;
+
+namespace plushealthtech.Pages
+{
+    /// <summary>
+    /// Handles the footer "Connect" newsletter form (POST /Subscribe).
+    /// An API-style page handler: success and failure come back as JSON to
+    /// the layout's inline script; Subscribe.cshtml is an empty view that
+    /// exists only so the page model is routed.
+    /// </summary>
+    public class SubscribeModel : PageModel
+    {
+        private readonly MailSender _mailSender;
+        private readonly ILogger<SubscribeModel> _logger;
+
+        public SubscribeModel(MailSender mailSender, ILogger<SubscribeModel> logger)
+        {
+            _mailSender = mailSender;
+            _logger = logger;
+        }
+
+        [BindProperty]
+        [Required]
+        [EmailAddress]
+        [StringLength(320)]
+        public string Email { get; set; } = string.Empty;
+
+        public async Task<IActionResult> OnPostAsync()
+        {
+            if (!ModelState.IsValid)
+            {
+                return new JsonResult(new { success = false, message = "Please enter a valid email address." })
+                {
+                    StatusCode = StatusCodes.Status400BadRequest
+                };
+            }
+
+            var body = string.Join("\n", new List<string>
+            {
+                $"Email: {Email}",
+                string.Empty,
+                "Subscribed from the footer newsletter form (Connect) on the Plus Health Tech website."
+            });
+
+            try
+            {
+                await _mailSender.SendAsync($"New newsletter subscription — {Email}", body);
+                return new JsonResult(new { success = true, message = "You're on the list — thanks for subscribing!" });
+            }
+            catch (Exception ex)
+            {
+                // Log the full exception; never surface SMTP details to the user.
+                _logger.LogError(ex, "Failed to send newsletter subscription for {Email}", Email);
+                return new JsonResult(new { success = false, message = "We couldn't sign you up right now. Please try again later." })
+                {
+                    StatusCode = StatusCodes.Status500InternalServerError
+                };
+            }
+        }
+    }
+}