/// <summary>
/// 删除和更新分类时触发
/// </summary>
private void DeleteUpdateCategories_Before(Category sender, CommonEventArgs eventArgs)
{
if (sender.TenantTypeId == TenantTypeIds.Instance().Topic())
{
if (eventArgs.EventOperationType == EventOperationType.Instance().Delete() || eventArgs.EventOperationType == EventOperationType.Instance().Update())
{
IEnumerable<long> groupIds = categoryService.GetItemIds(sender.CategoryId, false);
if (groupSearcher == null)
{
groupSearcher = (TopicSearcher)SearcherFactory.GetSearcher(TopicSearcher.CODE);
}
groupSearcher.Update(topicService.GetTopicEntitiesByIds(groupIds));
}
}
}
/// <summary>
/// 删除和更新分类时触发
/// </summary>
private void DeleteUpdateCategories_Before(Category sender, CommonEventArgs eventArgs)
{
if (sender.TenantTypeId == TenantTypeIds.Instance().Journals())
{
if (eventArgs.EventOperationType == EventOperationType.Instance().Delete() || eventArgs.EventOperationType == EventOperationType.Instance().Update())
{
IEnumerable<long> blogThreadIds = categoryService.GetItemIds(sender.CategoryId, false);
if (journalSearcher == null)
{
journalSearcher = (JournalSearcher)SearcherFactory.GetSearcher(JournalSearcher.CODE);
}
journalSearcher.Update(journalService.GetJournalsByIds(blogThreadIds));
}
}
}
/// <summary>
/// 迭代获取类别
/// </summary>
/// <param name="category"></param>
/// <param name="allParentCategories"></param>
private void RecursiveGetAllParentCategories(Category category, ref List<Category> allParentCategories)
{
if (category == null)
return;
allParentCategories.Insert(0, category);
Category parent = category.Parent;
if (parent != null)
RecursiveGetAllParentCategories(parent, ref allParentCategories);
}
/// <summary>
/// 递归获取所有父级（如果没有子级则不包含本级）
/// </summary>
/// <param name="category"></param>
/// <param name="allParentCategories"></param>
private void GetAllParentCategories(Category category, ref List<Category> allParentCategories)
{
if (category == null)
return;
if (category.ChildCount != 0)
allParentCategories.Insert(0, category);
GetAllParentCategories(category.Parent, ref allParentCategories);
}
/// <summary>
/// 获取当前分类是否是打开状态
/// </summary>
/// <param name="category">当前分类</param>
/// <param name="checkedCategoryIds">被选中的分类Id集合</param>
/// <param name="openLevel">默认展开的层级</param>
/// <returns>是否打开</returns>
private static bool IsOpenedNode(Category category, List<long> checkedCategoryIds, int? openLevel)
{
//有选中分类的情况；该分类的所有父级分类展开，其他分类关闭
if (checkedCategoryIds != null && checkedCategoryIds.Count > 0)
{
return checkedCategoryIds.Contains(category.CategoryId);
}
//小于等于展开层级的分类展开，其他分类关闭
else if (openLevel.HasValue && openLevel.Value > 0)
{
return category.Depth <= openLevel;
}
return false;
}
/// <summary>
/// 是否具有编辑分类的权限
/// </summary>
/// <returns></returns>
public bool Category_Edit(Category category)
{
IUser currentUser = UserContext.CurrentUser;
if (currentUser == null)
return false;
TenantType tenantType = tenantTypeService.Get(category.TenantTypeId);
if (tenantType == null)
return false;
if (IsAdministrator(tenantType.ApplicationId))
return true;
if (AuthorizationService.IsTenantManager(currentUser, category.TenantTypeId, category.OwnerId))
return true;
return false;
}
/// <summary>
/// 新建实体时使用
/// </summary>
public static Category New()
{
Category categorie = new Category()
{
CategoryName = string.Empty,
Description = string.Empty,
TenantTypeId = string.Empty,
AuditStatus = AuditStatus.Success,
PrivacyStatus = PrivacyStatus.Public,
LastModified = DateTime.UtcNow,
DateCreated = DateTime.UtcNow
};
return categorie;
}
/// <summary>
/// 获取所有父类
/// </summary>
/// <param name="categories">父分类列表</param>
/// <param name="category">当前分类</param>
/// <param name="includeSelf">是否包含自己</param>
/// <param name="maxLength">最大个数（-1：不做限制,0:获取不到任何数据）（从本身一级开始往上数N级）</param>
private static void GetAllParentCategory(Category category, ref List<Category> categories, bool includeSelf = true, int maxLength = -1)
{
if (category == null)
return;
if (maxLength == 0 || maxLength < -1)
return;
if (maxLength != -1)
maxLength--;
if (includeSelf)
categories.Insert(0, category);
if (category.Parent == null)
return;
GetAllParentCategory(category.Parent, ref categories, true, maxLength);
}
