/// <summary>
/// Downloads a document at a specified relativeUrl to a temporary file.
/// </summary>
/// <param name="documentSummary"></param>
/// <returns>The location of the downloaded file.</returns>
public static string DownloadFile(AttachedDocumentSummary documentSummary)
{
Platform.CheckForNullReference(documentSummary, "documentSummary");
// if already cached locally, return local file name
var tempFile = TempFileManager.Instance.GetFile(documentSummary.DocumentRef);
if (!string.IsNullOrEmpty(tempFile))
{
return(tempFile);
}
var ftpFileTransfer = new FtpFileTransfer(
AttachedDocumentSettings.Default.FtpUserId,
AttachedDocumentSettings.Default.FtpPassword,
AttachedDocumentSettings.Default.FtpBaseUrl,
AttachedDocumentSettings.Default.FtpPassiveMode);
var fullUrl = new Uri(ftpFileTransfer.BaseUri, documentSummary.ContentUrl);
var fileExtension = Path.GetExtension(fullUrl.LocalPath).Trim('.');
var localFilePath = TempFileManager.Instance.CreateFile(documentSummary.DocumentRef, fileExtension,
TimeSpan.FromSeconds(AttachedDocumentSettings.Default.DownloadCacheTimeToLive));
ftpFileTransfer.Download(new FileTransferRequest(fullUrl, localFilePath));
return(localFilePath);
}
/// <summary>
/// Gets the document at the specified URI, returning a local path to a copy of the document.
/// </summary>
/// <param name="url"></param>
/// <returns></returns>
public string GetDocument(string url)
{
var fullUrl = new Uri(_ftpFileTransfer.BaseUri, url);
var localFilePath = Path.Combine(_tempPath, Path.GetFileName(fullUrl.LocalPath));
_ftpFileTransfer.Download(new FileTransferRequest(fullUrl, localFilePath));
return(localFilePath);
}