public async Task AddToRoleAsync(IdentityUser user, string roleName, CancellationToken cancellationToken)
{
cancellationToken.ThrowIfCancellationRequested();
if (user == null)
{
throw new ArgumentNullException(nameof(user));
}
try
{
var result = await _userRepository.AddToRoleAsync(user.Id, roleName, cancellationToken);
}
catch (Exception ex)
{
Logging.LogException(ex);
}
}