/// <summary>
/// グループ情報を変更します。
/// </summary>
/// <param name="group"></param>
/// <param name="newGroupName"></param>
/// <param name="keyword"></param>
public void ModifyGroup(GroupItem group, string newGroupName, string keyword)
{
ValidateRegistGroup(keyword, group);
var oldGroupName = group.GroupName;
group.ModifyNameAndKeyword(newGroupName, keyword);
_databaseAccessor.UpdateGroup(group);
_databaseAccessor.UpdateLibraryReplaceGroupName(group.Gid, oldGroupName, group.GroupName);
}
