public async Task <IActionResult> Subscribe(string email)
{
string pattern = "^([0-9a-zA-Z]([-\\.\\w]*[0-9a-zA-Z])*@([0-9a-zA-Z][-\\w]*[0-9a-zA-Z]\\.)+[a-zA-Z]{2,9})$";
if (email == null)
{
return(Content("Please write down your email your subscribing"));
}
if (!Regex.IsMatch(email, pattern))
{
return(Content("Email is not valid"));
}
else
{
List <Subsciber> subscibersDb = _context.Subscibers.ToList();
Subsciber subsciber = new Subsciber {
Email = email
};
foreach (var item in subscibersDb)
{
if (item.Email == email)
{
return(Content("You are already subscribed"));
}
}
await _context.Subscibers.AddAsync(subsciber);
await _context.SaveChangesAsync();
return(Content("You have been Succesfully Subscribed"));
}
}
private void Subscribe(Subsciber sub, string action)
{
dict[action].Add(sub);
}
