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()); }