private static bool CheckMediaGalleryIndex(int mediaGalleryID, DateTime lastModDate)
{
Objects.LatestIndex index = GetLatestMediaGalleryIndex();
//return true to indicate that we need to check again...
if (mediaGalleryID > 0)
{
//checking for a specific gallery
Objects.LatestIndexItem indexItem = null;
if (index.Index.TryGetValue(mediaGalleryID, out indexItem))
{
//found it in the index... check it
return(lastModDate < indexItem.ModifiedOn);
}
else
{
//not in the index, there are not items in this view anymore, only need to check latest if latestVersionID is not 0 (zero)
return(lastModDate > DateTime.MinValue);
}
}
else
{
//if we don't have a page to check for
return(lastModDate < index.MaxModDate);
}
}
private static bool CheckContentDefinitionIndex(int contentDefinitionID, DateTime lastModDate)
{
Objects.LatestIndex index = GetLatestContentDefinitionIndex();
//return true to indicate that we need to check again...
if (contentDefinitionID > 0)
{
//checking for a specific def
Objects.LatestIndexItem indexItem = null;
if (index.Index.TryGetValue(contentDefinitionID, out indexItem))
{
//found it in the index... check it
return(lastModDate < indexItem.ModifiedOn);
}
else
{
//not in the index
return(lastModDate > DateTime.MinValue);
}
}
else
{
//if we don't have a page to check for
return(lastModDate < index.MaxModDate);
}
}
private static Objects.LatestIndex GetLatestContentDefinitionIndex()
{
string fileName = "AgilityContentDefinitionIndex.bin";
string indexFilePath = Path.Combine(BaseCache.GetLocalContentFilePath(), fileName);
Objects.LatestIndex index = AgilityContext.HttpContext.Items[fileName] as Objects.LatestIndex;
if (index == null)
{
lock (_contentDefIndexLock)
{
index = AgilityContext.HttpContext.Items[fileName] as Objects.LatestIndex;
if (index == null)
{
index = BaseCache.ReadFile <Objects.LatestIndex>(indexFilePath);
if (index == null)
{
index = new Objects.LatestIndex();
}
DateTime maxModDate = index.MaxModDate;
var indexDelta = ServerAPI.GetLatestContentDefinitionIndex(maxModDate);
if (indexDelta != null)
{
foreach (var item in indexDelta)
{
if (item.ModifiedOn > index.MaxModDate)
{
index.MaxModDate = item.ModifiedOn;
}
index.Index[item.ID] = new Objects.LatestIndexItem()
{
ID = item.ID,
ModifiedOnStr = item.ModifiedOnStr,
Downloaded = false
};
}
BaseCache.WriteFile(index, indexFilePath);
AgilityContext.HttpContext.Items[fileName] = index;
}
}
}
}
return(index);
}
