private static Objects.LatestIndex GetLatestMediaGalleryIndex()
{
string fileName = "AgilityMediaGalleryIndex.bin";
string indexFilePath = Path.Combine(BaseCache.GetLocalContentFilePath(), fileName);
Objects.LatestIndex index = AgilityContext.HttpContext.Items[fileName] as Objects.LatestIndex;
if (index == null)
{
lock (_mediaGalleryIndexLock)
{
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.GetLatestMediaGalleryIndex(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);
}
