public Result <bool> ExistOrganizationUser(int?organizationUserId, int?userType, int?organizationId) { if (!organizationUserId.HasValue) { return(new Result <bool>(OrganizationUserServiceErrors.InvalidOrganizationUserId())); } if (!userType.HasValue) { return(new Result <bool>(OrganizationUserServiceErrors.InvalidUserTypeIdError())); } if (!organizationId.HasValue) { return(new Result <bool>(OrganizationUserServiceErrors.InvalidOrganizationId())); } var organizationUserResult = organizationUserRepository.OrganizationUserExists(organizationUserId.Value, userType.Value, organizationId.Value); return(new Result <bool>(organizationUserResult)); }