public async Task <ActionResult> NewsletterSignUp(NewsletterSignUpForm signUpForm)
{
if (!this.ModelState.IsValid)
{
return(this.View(signUpForm));
}
var firstName = signUpForm.FirstName.Trim().ToLowerInvariant();
signUpForm.FirstName = firstName.First().ToString().ToUpper() + firstName.Substring(1);
signUpForm.Email = signUpForm.Email.ToLowerInvariant();
this.ViewBag.FormSubmitted =
await Task.Run(() => this.blogService.AddUserToNewsletterSubscriberList(signUpForm));
return(this.View());
}
/// <summary>
/// Adds the user to newsletter subscriber list.
/// </summary>
/// <param name="signUpForm">The sign up form.</param>
/// <returns>NewsletterSignUpState.</returns>
public NewsletterSignUpState AddUserToNewsletterSubscriberList(NewsletterSignUpForm signUpForm)
{
var newsletterTable = this.newsletterContext.CustomOperation();
var foundUser = (from record in newsletterTable.CreateQuery <TableNewsletterEntity>()
where
record.PartitionKey == ApplicationConstants.SubscriberListKey &&
record.RowKey == signUpForm.Email
select record).FirstOrDefault();
//// If user does not exist. Create a user.
if (null == foundUser)
{
signUpForm.CreatedDate = DateTime.UtcNow;
signUpForm.LastEmailIdentifier = string.Empty;
signUpForm.VerificationString = Guid.NewGuid().ToString();
signUpForm.UnsubscribeString = Guid.NewGuid().ToString();
signUpForm.IsVerified = false;
var tableEntity = new TableNewsletterEntity(signUpForm);
this.newsletterContext.InsertOrReplace(tableEntity);
this.newsletterContext.Save();
//// Add message to queue.
this.AddMessageToNewUserQueue(signUpForm.Email);
return(NewsletterSignUpState.Success);
}
//// If user exists and is not verified, reactivate by changing verification string and date.
if (!foundUser.IsVerified)
{
signUpForm.CreatedDate = DateTime.UtcNow;
signUpForm.LastEmailIdentifier = string.Empty;
signUpForm.VerificationString = Guid.NewGuid().ToString();
signUpForm.UnsubscribeString = Guid.NewGuid().ToString();
signUpForm.IsVerified = false;
var tableEntity = new TableNewsletterEntity(signUpForm);
this.newsletterContext.InsertOrReplace(tableEntity);
this.newsletterContext.Save();
//// Add message to queue.
this.AddMessageToNewUserQueue(signUpForm.Email);
return(NewsletterSignUpState.Success);
}
//// If user exists. Do nothing.
return(NewsletterSignUpState.UserExists);
}