public async Task <ChangePasswordResult> Handle(ChangePasswordCommand request, CancellationToken cancellationToken)
{
if (string.IsNullOrWhiteSpace(request.NewPassword))
{
throw new PasswordNoProperProvidedException();
}
User user = await _userAuthService.AssertAuthorityToOperateOn(request.UserRefKey, request.OldPassword);
_passService.SetPasswordForUser(request.NewPassword, user);
await _context.SaveChangesAsync(cancellationToken);
return(new ChangePasswordResult());
}