Harden password reset and email send flows

JobTrackerApi/Controllers/AuthController.cs

@@ -18,14 +18,16 @@ public sealed class AuthController : ControllerBase
     private readonly ITokenService _tokens;
     private readonly IAppEmailSender _email;
     private readonly IGoogleTokenValidator _googleTokens;
+    private readonly ILogger<AuthController> _logger;
 
-    public AuthController(IConfiguration cfg, UserManager<ApplicationUser> users, ITokenService tokens, IAppEmailSender email, IGoogleTokenValidator googleTokens)
+    public AuthController(IConfiguration cfg, UserManager<ApplicationUser> users, ITokenService tokens, IAppEmailSender email, IGoogleTokenValidator googleTokens, ILogger<AuthController> logger)
     {
         _cfg = cfg;
         _users = users;
         _tokens = tokens;
         _email = email;
         _googleTokens = googleTokens;
+        _logger = logger;
     }
 
     [HttpGet("config")]
@@ -395,12 +397,20 @@ public sealed class AuthController : ControllerBase
 
         var link = $"{baseUrl}/reset-password?email={Uri.EscapeDataString(user.Email)}&token={Uri.EscapeDataString(token)}";
 
-        await _email.SendAsync(
-            user.Email,
-            "Password reset",
-            $"You requested a password reset for Jobbjakt.\n\nReset link:\n{link}\n\nIf you did not request this, you can ignore this email.",
-            cancellationToken
-        );
+        try
+        {
+            await _email.SendAsync(
+                user.Email,
+                "Password reset",
+                $"You requested a password reset for Jobbjakt.\n\nReset link:\n{link}\n\nIf you did not request this, you can ignore this email.",
+                cancellationToken
+            );
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Failed to send password reset email to {Email}", user.Email);
+            return Problem(statusCode: StatusCodes.Status503ServiceUnavailable, title: "Email delivery unavailable", detail: "Password reset email could not be sent right now. Please try again later.");
+        }
 
         return NoContent();
     }
@@ -429,6 +439,11 @@ public sealed class AuthController : ControllerBase
         return NoContent();
     }
 
+    private IActionResult EmailDeliveryUnavailable(string detail)
+    {
+        return Problem(statusCode: StatusCodes.Status503ServiceUnavailable, title: "Email delivery unavailable", detail: detail);
+    }
+
     private static string? TrimOrNull(string? value)
     {
         return string.IsNullOrWhiteSpace(value) ? null : value.Trim();