//TODO: Add full implementation
 private void EmailStudents(EmailViewModel vm)
 {
     foreach (var student in db.Students.Where(s => !string.IsNullOrEmpty(s.EmailAddress)))
     {
         EmailHelper.SendEmail("Grace Church Awana Announcement", vm.EmailBody, student.EmailAddress);
     }
 }
 //TODO: Add full implementation
 private void EmailLeaders(EmailViewModel vm)
 {
     foreach(var leader in db.Users.Where(s => !string.IsNullOrEmpty(s.EmailAddress)))
     {
         EmailHelper.SendEmail("Grace Church Awana Announcement", vm.EmailBody, leader.EmailAddress);
     }
 }
        public ActionResult Index(EmailViewModel vm)
        {
            if (vm.Recipients.Equals("Leaders"))
            {
                EmailLeaders(vm);
            }
            else if (vm.Recipients.Equals("Students"))
            {
                EmailStudents(vm);
            }

            return RedirectToAction("Index", new { @confirm = true });
        }
 //TODO: Add full implementation
 private void EmailStudents(EmailViewModel vm)
 {
     EmailHelper.SendEmail(vm.EmailBody, null);
 }
 //TODO: Add full implementation
 private void EmailLeaders(EmailViewModel vm)
 {
     EmailHelper.SendEmail(vm.EmailBody, null);
 }