public IHttpActionResult SignIn(string login, string password)
{
if (string.IsNullOrWhiteSpace(login) || string.IsNullOrWhiteSpace(password))
{
return(BadRequest("Please, enter login and password"));
}
else
{
int userId = UOperations.CheckUser(login, password);
if (userId > 0)
{
return(Ok(userId));
}
else
{
return(BadRequest("Please, check correctness of login and password"));
}
}
}