public DateTime?GetLastModificationDate(CacheFileDescription cacheFileDescription)
{
string fullPath = GetFilePath(cacheFileDescription);
var entity = _fileManager.GetFile(fullPath);
return(entity.LastModified);
}
public string GetFilePath(CacheFileDescription cacheFileDescription)
{
string path;
switch (cacheFileDescription.CacheFileType)
{
case CacheFileType.Page:
path = GetPageFilePath(cacheFileDescription);
break;
case CacheFileType.PageResource:
path = GetResourceFilePath(cacheFileDescription);
break;
case CacheFileType.Attachment:
path = GetAttachmentFilePath(cacheFileDescription);
break;
case CacheFileType.Document:
path = GetDocumentFilePath(cacheFileDescription);
break;
default:
throw new ArgumentOutOfRangeException();
}
return(NormalizePath(path));
}
private string GetResourceFilePath(CacheFileDescription cacheFileDescription)
{
CachedPageResourceDescription resourceDescription = cacheFileDescription as CachedPageResourceDescription;
if (resourceDescription == null)
{
throw new InvalidOperationException(
"cacheFileDescription object should be an instance of CachedPageResourceDescription class");
}
string resourcesPath = GetHtmlPageResourcesFolder(resourceDescription.CachedPageDescription);
return(Path.Combine(resourcesPath, resourceDescription.ResourceName));
}
private string GetPageFilePath(CacheFileDescription cacheFileDescription)
{
CachedPageDescription pageDescription = cacheFileDescription as CachedPageDescription;
if (pageDescription == null)
{
throw new InvalidOperationException(
"cacheFileDescription object should be an instance of CachedPageDescription class");
}
string fileName = BuildPageFileName(pageDescription);
string folder = BuildCachedPageFolderPath(pageDescription);
return(Path.Combine(folder, fileName));
}
private string GetCachePath(string path, CacheFileDescription cacheFileDescription)
{
if (cacheFileDescription.SaveOptions == null)
{
throw new System.Exception("CacheFileDescription.Options is not set");
}
string filePath;
string fileName;
var options = cacheFileDescription.SaveOptions as ImageSaveOptions;
if (options != null)
{
if (!string.IsNullOrEmpty(options.CustomName))
{
if (options.UseWidthForCustomName)
{
fileName = string.Format("{0}_{1}.{2}", options.CustomName,
options.Width,
options.ConvertFileType.ToString().ToLower());
}
else
{
fileName = string.Format("{0}.{1}", options.CustomName,
options.ConvertFileType.ToString().ToLower());
}
}
else
{
fileName = string.Format("{0}.{1}", cacheFileDescription.BaseName,
options.ConvertFileType.ToString().ToLower());
}
filePath = string.Format(@"{0}\{1}\{2}\{3}", path, cacheFileDescription.Guid,
options.PageNumber, fileName);
}
else
{
fileName = !string.IsNullOrEmpty(cacheFileDescription.SaveOptions.CustomName)
? string.Format("{0}.{1}", cacheFileDescription.SaveOptions.CustomName, cacheFileDescription.SaveOptions.ConvertFileType.ToString().ToLower())
: string.Format("{0}.{1}", cacheFileDescription.BaseName, cacheFileDescription.SaveOptions.ConvertFileType.ToString().ToLower());
filePath = string.Format(@"{0}\{1}\{2}", path, cacheFileDescription.Guid, fileName);
}
return(filePath);
}
private string GetDocumentFilePath(CacheFileDescription cacheFileDescription)
{
CachedDocumentDescription document = cacheFileDescription as CachedDocumentDescription;
if (document == null)
{
throw new InvalidOperationException(
"cacheFileDescription object should be an instance of CachedDocumentDescription class");
}
string documentName = document.Name.Equals("document") && (document.OutputExtension.Equals("pdf") || document.OutputExtension.Equals(".pdf"))
? PdfFileName
: Path.ChangeExtension(document.Name, document.OutputExtension);
string documentFolder = BuildCachedDocumentFolderPath(document);
return(Path.Combine(documentFolder, documentName));
}
public Stream GetInputStream(CacheFileDescription cacheFileDescription)
{
if (cacheFileDescription == null || String.IsNullOrEmpty(cacheFileDescription.Guid) ||
cacheFileDescription.LastModified == 0)
{
throw new System.Exception("CacheFileDescription is not set");
}
var key = GetCachePath(_conversionConfig.CachePath, cacheFileDescription);
var fileInfo = new S3FileInfo(_client, bucketName, key);
if (!fileInfo.Exists)
{
throw new System.Exception("File not found");
}
return(fileInfo.OpenRead());
}
private string GetAttachmentFilePath(CacheFileDescription cacheFileDescription)
{
CachedAttachmentDescription attachmentDescription =
cacheFileDescription as CachedAttachmentDescription;
if (attachmentDescription == null)
{
throw new InvalidOperationException(
"cacheFileDescription object should be an instance of CachedAttachmentDescription class");
}
string path = attachmentDescription.Guid.Contains(CacheFolderName)
? attachmentDescription.Guid.Replace(CacheFolderName, string.Empty)
: attachmentDescription.Guid;
return(Path.Combine(
CacheFolderName,
ToRelativeDirectoryName(path),
AttachmentDirectory,
attachmentDescription.AttachmentName));
}
public bool Exists(CacheFileDescription cacheFileDescription)
{
if (!_conversionConfig.IsUseCache())
{
return(false);
}
if (cacheFileDescription == null)
{
throw new System.Exception("CacheFileDescription is not set");
}
if (cacheFileDescription.LastModified == 0)
{
return(false);
}
if (string.IsNullOrEmpty(cacheFileDescription.Guid))
{
throw new System.Exception("CacheFileDescription is not set");
}
if (string.IsNullOrEmpty(_conversionConfig.StoragePath))
{
throw new System.Exception("Storage path is not set");
}
var key = GetCachePath(_conversionConfig.CachePath, cacheFileDescription);
S3FileInfo fileInfo = new S3FileInfo(_client, bucketName, key);
if (!fileInfo.Exists)
{
return(false);
}
return(fileInfo.LastWriteTimeUtc >= DateTime.UtcNow.AddMinutes(-5));
}
public Stream GetOutputSaveStream(CacheFileDescription cacheFileDescription)
{
try
{
if (!_conversionConfig.IsUseCache())
{
return(new MemoryStream());
}
if (cacheFileDescription == null || String.IsNullOrEmpty(cacheFileDescription.Guid))
{
throw new System.Exception("CacheFileDescription is not set");
}
string key = GetCachePath(_conversionConfig.CachePath, cacheFileDescription);
S3FileInfo fileInfo = new S3FileInfo(_client, bucketName, key);
return(fileInfo.Create());
}
catch (System.Exception e)
{
throw new System.Exception(e.Message);
}
}
public bool Exists(CacheFileDescription cacheFileDescription)
{
string path = GetFilePath(cacheFileDescription);
return(_fileManager.FileExist(path));
}
public Stream GetOutputSaveStream(CacheFileDescription cacheFileDescription)
{
string path = GetFilePath(cacheFileDescription);
return(new OutputStream(stream => _fileManager.Upload(stream, path)));
}
public Stream GetInputStream(CacheFileDescription cacheFileDescription)
{
string path = GetFilePath(cacheFileDescription);
return(_fileManager.Download(path));
}
public string GetCacheUri(CacheFileDescription cacheFileDescription)
{
return(GetCachePath(_conversionConfig.CachePath, cacheFileDescription));
}