diff --git a/YACReaderLibrary/db/folder_item.cpp b/YACReaderLibrary/db/folder_item.cpp
index 9444d3fd..3628e2f8 100644
--- a/YACReaderLibrary/db/folder_item.cpp
+++ b/YACReaderLibrary/db/folder_item.cpp
@@ -65,6 +65,17 @@ void FolderItem::setData(int column, const QVariant &value)
     itemData[column] = value;
 }
 
+void FolderItem::addChild(FolderItem *child, int childIndex)
+{
+    child->parentItem = this;
+    childItems.insert(childIndex, child);
+}
+
+void FolderItem::removeChild(FolderItem *child)
+{
+    childItems.removeOne(child);
+}
+
 void FolderItem::removeChild(int childIndex)
 {
     childItems.removeAt(childIndex);
@@ -86,6 +97,11 @@ FolderItem *FolderItem::parent()
     return parentItem;
 }
 
+void FolderItem::setData(const QList<QVariant> &data)
+{
+    itemData = data;
+}
+
 int FolderItem::row() const
 {
     if (parentItem)
diff --git a/YACReaderLibrary/db/folder_item.h b/YACReaderLibrary/db/folder_item.h
index 2cc4bd45..ef77c4d9 100644
--- a/YACReaderLibrary/db/folder_item.h
+++ b/YACReaderLibrary/db/folder_item.h
@@ -64,7 +64,10 @@ public:
     unsigned long long int id;
     QList<QString> comicNames;
     FolderItem *originalItem;
+    void setData(const QList<QVariant> &data);
     void setData(int column, const QVariant &value);
+    void addChild(FolderItem *child, int childIndex);
+    void removeChild(FolderItem *child);
     void removeChild(int childIndex);
     void clearChildren();
     QList<FolderItem *> children();