public async Task <IActionResult> OnPostAsync()
{
// Check if the reCaptcha is valid.
if (!await _reCaptchaChecker.IsValid(Input.ReCaptchaToken))
{
// Add an error to the model.
ModelState.AddModelError(string.Empty, "The reCaptcha verification failed.");
// Return the page.
return(Page());
}
// Check if the provided model is not valid.
if (!ModelState.IsValid)
{
// Add an error to the model.
ModelState.AddModelError(string.Empty, "An error was encountered. Please check again the input fields.");
// Return the page.
return(Page());
}
// Define a new view model for the e-mail.
var emailViewModel = new EmailContactViewModel
{
Name = Input.Name,
Email = Input.Email,
Message = Input.Message,
ApplicationUrl = _linkGenerator.GetUriByPage(HttpContext, "/Index", handler: null, values: null)
};
// Send an e-mail to the predefined administrator address.
await _emailSender.SendContactEmailAsync(emailViewModel);
// Display a message to the user.
TempData["StatusMessage"] = "Success: The message was sent successfully.";
// Redirect to page.
return(RedirectToPage());
}
/// <summary>
/// Sends a contact e-mail to the administrator users specified in the configuration file.
/// </summary>
/// <param name="viewModel">Represents the view model of the e-mail.</param>
public async Task SendContactEmailAsync(EmailContactViewModel viewModel)
{
// Define the variables for the e-mail.
var apiKey = _configuration.GetSection("Authentication:SendGrid:AppKey").Value;
var client = new SendGridClient(apiKey);
var from = new EmailAddress(_configuration.GetSection("EmailSender:Email").Value, _configuration.GetSection("EmailSender:Name").Value);
var tos = _configuration.GetSection("Administrators").GetChildren().Select(item => new EmailAddress(item.GetSection("Email").Value, item.GetSection("Email").Value));
var subject = "Message from NetControl4BioMed";
var htmlContent = await _renderer.RenderPartialToStringAsync("_EmailContactPartial", viewModel);
var msg = MailHelper.CreateSingleEmailToMultipleRecipients(from, tos.ToList(), subject, string.Empty, htmlContent);
// Send the e-mail containing the message.
await client.SendEmailAsync(msg);
}