public IEnumerable <DataItem> GetAllByParentID(int?parentID)
{
IEnumerable <DataItem> result;
Dictionary <int?, IEnumerable <DataItem> > dataItemsByParent = CacheController.GetFromCache(CacheController.CacheItemKey.DataItemsByParent) as Dictionary <int?, IEnumerable <DataItem> >;
if (dataItemsByParent == null)
{
dataItemsByParent = new Dictionary <int?, IEnumerable <DataItem> >();
CacheController.AddToCache(CacheController.CacheItemKey.DataItemsByParent, dataItemsByParent);
}
if (dataItemsByParent.ContainsKey(parentID ?? 0))
{
result = dataItemsByParent[parentID ?? 0];
}
else
{
result = Mapper.Map <IEnumerable <DataItem> >(_context.DataItems.Where(d => d.ParentFolderID == parentID));
dataItemsByParent.Add(parentID ?? 0, result);
}
return(result);
}
public IEnumerable <Folder> GetByParentID(int?parentID)
{
IEnumerable <Folder> result;
Dictionary <int?, IEnumerable <Folder> > foldersByParent = CacheController.GetFromCache(CacheController.CacheItemKey.FoldersByParent) as Dictionary <int?, IEnumerable <Folder> >;
if (foldersByParent == null)
{
foldersByParent = new Dictionary <int?, IEnumerable <Folder> >();
CacheController.AddToCache(CacheController.CacheItemKey.FoldersByParent, foldersByParent);
}
if (foldersByParent.ContainsKey(parentID ?? 0))
{
result = foldersByParent[parentID ?? 0];
}
else
{
result = Mapper.Map <IEnumerable <Folder> >(_context.Folders.Include("DataItem").Where(f => f.DataItem.ParentFolderID == parentID));
foldersByParent.Add(parentID ?? 0, result);
}
return(result);
}