/// <summary>
/// Main worker method reads binary from Broker and stores it in file-system
/// </summary>
/// <returns></returns>
public bool ProcessRequest(HttpRequest request)
{
string urlPath = request.Url.AbsolutePath.Replace("/BinaryData", "");
LoggerService.Debug("Start processing " + urlPath);
Dimensions dimensions = null;
urlPath = StripDimensions(urlPath, out dimensions);
String physicalPath = request.PhysicalPath;
string cacheKey = GetCacheKey(urlPath);
DateTime?lastPublishedDate = CacheAgent.Load(cacheKey) as DateTime?;
if (lastPublishedDate == null)
{
DateTime lpb = BinaryFactory.FindLastPublishedDate(urlPath);
if (lpb != DateTime.MinValue.AddSeconds(1)) // this is the secret code for 'does not exist'
{
lastPublishedDate = new DateTime?(lpb);
CacheAgent.Store(cacheKey, "Binary", lastPublishedDate);
}
}
if (lastPublishedDate != null)
{
if (File.Exists(physicalPath))
{
FileInfo fi = new FileInfo(physicalPath);
if (fi.Length > 0)
{
DateTime fileModifiedDate = File.GetLastWriteTime(physicalPath);
if (fileModifiedDate.CompareTo(lastPublishedDate) >= 0)
{
LoggerService.Debug("binary {0} is still up to date, no action required", urlPath);
return(true);
}
}
}
}
// the normal situation (where a binary is still in Tridion and it is present on the file system already and it is up to date) is now covered
// Let's handle the exception situations.
IBinary binary = null;
try
{
BinaryFactory.TryFindBinary(urlPath, out binary);
}
catch (BinaryNotFoundException)
{
LoggerService.Debug("Binary with url {0} not found", urlPath);
// binary does not exist in Tridion, it should be removed from the local file system too
if (File.Exists(physicalPath))
{
DeleteFile(physicalPath);
}
return(false);
}
return(WriteBinaryToFile(binary, physicalPath, dimensions));
}
