//returns "MODEL.User" object if successful/found
//returns "null" if not
internal User findUserByEmail(string email)
{
int result = (int)CODE.MINUS_ONE;
User user = null;
//validate email
if (
result == (int)CODE.ZERO ||
string.IsNullOrWhiteSpace(email) ||
!Validate.hasMinLength(email, 5) ||
!Validate.hasMaxLength(email, 50) ||
!email.Contains("@")
) { result = (int)CODE.ZERO; }
if (result != (int)CODE.ZERO)//safe to proceed
{
IUsers _DbUsers = new DbUsers();
try
{
using (var trScope = TransactionScopeBuilder.CreateSerializable())
{
user = _DbUsers.findUserByEmail(email);
trScope.Complete();
}
}
catch (TransactionAbortedException taEx)
{
result = (int)CODE.ZERO;
Log.Add(taEx.ToString());
}
catch (ApplicationException aEx)
{
result = (int)CODE.ZERO;
Log.Add(aEx.ToString());
}
catch (Exception ex)
{
result = (int)CODE.ZERO;
Log.Add(ex.ToString());
}
}
else { result = (int)CODE.ZERO; }
if (result == (int)CODE.ZERO || user == null) { return null; }
else { return user; }
}
