public void Delete(PLMPackEntities db, AspNetUser user)
{
if (!user.Groups.Contains(Group))
{
throw new ModelException(string.Format("User {0} is not allowed to perform this operation.", user.UserName));
}
// remove childrens
List <TreeNode> childList = new List <TreeNode>(Childrens);
childList.ForEach(tn => tn.Delete(db, user));
// remove TreeNodeDocument
List <TreeNodeDocument> lTreeNodeDocs = new List <TreeNodeDocument>(db.TreeNodeDocuments.Where(tnd => tnd.TreeNodeId == Id).ToArray());
lTreeNodeDocs.ForEach(tnd => tnd.Delete(db));
int thumbnailId = this.ThumbnailId;
// remove
while (TreeNodeGroupShare.Count() > 0)
{
TreeNodeGroupShare tnGpShare = TreeNodeGroupShare.First();
db.TreeNodeGroupShares.Remove(tnGpShare);
}
db.SaveChanges();
// actually remove node
db.TreeNodes.Remove(this);
db.SaveChanges();
// delete thubnail
Thumbnail.DeleteIfNotRefered(db, thumbnailId);
}
public bool IsShared(Group gp)
{
if (Group == gp)
{
return(true);
}
if (TreeNodeGroupShare.Count(tngs => tngs.TreeNodeId == Id && tngs.GroupId == gp.Id) > 0)
{
return(true);
}
return(false);
}