public async Task <IdentityUser> FindByIdAsync(string userId, CancellationToken cancellationToken)
{
cancellationToken.ThrowIfCancellationRequested();
if (string.IsNullOrEmpty(userId))
{
throw new ArgumentNullException(nameof(userId));
}
try
{
var key = default(string);
var converter = TypeDescriptor.GetConverter(typeof(string));
if (converter != null && converter.CanConvertFrom(typeof(string)))
{
key = (string)converter.ConvertFromInvariantString(userId);
}
else
{
key = (string)Convert.ChangeType(userId, typeof(string));
}
var result = await _userRepository.GetByIdAsync(key);
return(result);
}
catch (Exception ex)
{
Logging.LogException(ex);
return(null);
}
}