/// <summary>
/// 把fromFolderId合并到toFolderId
/// </summary>
/// <remarks>
/// 例如：将栏目fromFolderId合并到栏目toFolderId，那么fromFolderId栏目下的所有子栏目和ContentItem全部归到toFolderID栏目，同时删除fromFolderID栏目
/// </remarks>
public void Merge(int fromFolderId, int toFolderId)
{
ContentFolder toFolder = Get(toFolderId);
if (toFolder == null)
{
return;
}
ContentFolder fromFolder = Get(fromFolderId);
if (fromFolder == null)
{
return;
}
ContentItemRepository contentItemRepository = new ContentItemRepository();
foreach (var childSection in fromFolder.Children)
{
childSection.ParentId = toFolderId;
childSection.Depth = toFolder.Depth + 1;
if (childSection.Depth == 1)
{
childSection.ParentIdList = childSection.ParentId.ToString();
}
else
{
childSection.ParentIdList = toFolder.ParentIdList + "," + childSection.ParentId;
}
RecursiveUpdateDepthAndParentIdList(childSection);
ContentItemQuery contentItemQuery = new ContentItemQuery(CacheVersionType.None)
{
ContentFolderId = childSection.ContentFolderId
};
PagingDataSet <ContentItem> contentItems = contentItemRepository.GetContentItems(false, contentItemQuery, int.MaxValue, 1);
foreach (var contentItem in contentItems)
{
contentItem.ContentFolderId = toFolderId;
contentItemRepository.Update(contentItem);
}
}
ContentItemQuery currentContentItemQuery = new ContentItemQuery(CacheVersionType.None)
{
ContentFolderId = fromFolderId
};
PagingDataSet <ContentItem> currentContentItems = contentItemRepository.GetContentItems(false, currentContentItemQuery, int.MaxValue, 1);
foreach (var item in currentContentItems)
{
item.ContentFolderId = toFolderId;
contentItemRepository.Update(item);
}
if (fromFolder.ParentId > 0)
{
ContentFolder fromParentFolder = Get(fromFolder.ParentId);
if (fromParentFolder != null)
{
fromParentFolder.ChildCount -= 1;
}
}
toFolder.ChildCount += fromFolder.ChildCount;
contentFolderRepository.Update(toFolder);
contentFolderRepository.Delete(fromFolder);
EntityData.ForType(typeof(Navigation)).RealTimeCacheHelper.IncreaseAreaVersion("OwnerId", 0);
}
/// <summary>
/// 构造器
/// </summary>
public ContentItemService()
{
contentItemRepository = new ContentItemRepository();
}
