private async Task <DocumentAssetFile> GetDocumentAssetFile(int assetId)
{
DocumentAssetFile file = null;
try
{
var query = new GetDocumentAssetFileByIdQuery(assetId);
file = await _queryExecutor.ExecuteAsync(query);
}
catch (FileNotFoundException ex)
{
// If the file exists but the file has gone missing, log and return a 404
_logger.LogError(0, ex, "Document Asset exists, but has no file: {0}", assetId);
}
return(file);
}
public ActionResult File(int assetId, string fileName, string extension)
{
DocumentAssetFile file = null;
try
{
file = _queryExecutor.GetById <DocumentAssetFile>(assetId);
}
catch (FileNotFoundException ex)
{
// If the file exists but the file has gone missing, log and return a 404
_errorLoggingService.Log(ex);
}
if (file == null)
{
return(FileAssetNotFound("File not found"));
}
return(File(file.ContentStream, file.ContentType, file.FileName));
}
public async Task <ActionResult> File(int assetId, string fileName, string extension)
{
DocumentAssetFile file = null;
try
{
var query = new GetDocumentAssetFileByIdQuery(assetId);
file = await _queryExecutor.ExecuteAsync(query);
}
catch (FileNotFoundException ex)
{
// If the file exists but the file has gone missing, log and return a 404
_logger.LogError(0, ex, "Document Asset exists, but has no file: {0}", assetId);
}
if (file == null)
{
return(FileAssetNotFound("File not found"));
}
return(File(file.ContentStream, file.ContentType, file.FileName));
}
private ActionResult ValidateDocumentFileRequest(long fileStamp, string verificationToken, string fileName, DocumentAssetFile file, bool isDownload)
{
// additionally check that filestamp is not after the curent update date
if (file == null || !IsFileStampValid(fileStamp, file.FileUpdateDate) || file.VerificationToken != verificationToken)
{
return(FileAssetNotFound("Document file not found"));
}
// if the title or filestamp is different, redirect to the correct url
var sluggedFileName = SlugFormatter.ToSlug(file.FileName);
if (sluggedFileName != fileName || fileStamp.ToString() != file.FileStamp)
{
var url = isDownload ? _documentAssetRouteLibrary.DocumentAssetDownload(file) : _documentAssetRouteLibrary.DocumentAsset(file);
return(RedirectPermanent(url));
}
return(null);
}
