public uint GroupUpdateUserPermissions(Guid guid, Guid userGuid, uint permissions, Guid? requestingUserGuid)
{
var result = Gateway.ExecuteNonQuery("Group_UpdateUserPermissions", new[]
{
new MySqlParameter("GroupGUID", guid.ToByteArray()),
new MySqlParameter("UserGUID", userGuid.ToByteArray()),
new MySqlParameter("Permissions", permissions),
new MySqlParameter("RequestingUserGUID", requestingUserGuid.HasValue ? requestingUserGuid.Value.ToByteArray() : null)
});
if (result == -100) throw new InsufficientPermissionsException("User does not have permission to remove user from group");
return (uint)result;
}
