public ConfirmEmailModel(
     UserManager <VollyV3User> userManager,
     SendGridClientImpl client
     )
 {
     _userManager = userManager;
     _client      = client;
 }
 public NewsletterController(
     ApplicationDbContext context,
     IMemoryCache memory,
     IEmailSenderExtended emailSender,
     SendGridClientImpl sendgridClient
     )
 {
     _context        = context;
     _memory         = memory;
     _emailSender    = emailSender;
     _sendgridClient = sendgridClient;
 }