/// <summary>
/// Adds the url to the local cache, to avoid duplicating requests.
/// </summary>
/// <param name="item">The item.</param>
private bool AddToLocalCache(Item item)
{
var url = VarnishCache.GetRelativeItemUrl(item);
var finalUrl = VarnishSettings.Url + url;
var cachedUrl = String.IsNullOrEmpty(VarnishSettings.Host) ? finalUrl : "http://" + VarnishSettings.Host + url;
if (_purgedUrls.Contains(cachedUrl))
{
return(false);
}
_purgedUrls.Add(cachedUrl);
return(true);
}
/// <summary>
/// Purges the item.
/// </summary>
/// <param name="item">The item.</param>
/// <param name="publishRelatedItems">if set to <c>true</c> also tries to purge the related items.</param>
private void PurgeItem(Item item, bool publishRelatedItems)
{
if ((item.Paths.IsMediaItem && !item.HasChildren) || item.Paths.IsContentItem)
{
if (AddToLocalCache(item))
{
VarnishCache.Clear(item);
}
}
if (!publishRelatedItems)
{
return;
}
var referenced = GetReferences(item);
foreach (var relatedItem in referenced.Where(relatedItem => (relatedItem.Paths.IsMediaItem && !relatedItem.HasChildren) || relatedItem.Paths.IsContentItem).Where(AddToLocalCache))
{
VarnishCache.Clear(relatedItem);
}
}