public static HttpResponseMessage ProcessMaterialDownload(this MaterialModel material, string rootPathName = MaterialUploadModel.DefaultRootPathName)
{
material.NullCheck("material");
HttpResponseMessage result = new HttpResponseMessage(HttpStatusCode.OK);
FileInfo destFileInfo = null;
if (rootPathName.IsNullOrEmpty())
{
rootPathName = MaterialUploadModel.DefaultRootPathName;
}
if (material.Status == MaterualModelStatus.Inserted)
{
destFileInfo = GetTempUploadFilePath(material.ID, rootPathName, material.OriginalName);
}
IMaterialContentPersistManager persistManager =
GetMaterialContentPersistManager(material.ID, destFileInfo);
Stream stream = persistManager.GetMaterialContent(material.ID);
result.Content = new StreamContent(stream);
result.Content.Headers.ContentType =
new MediaTypeHeaderValue(GetFileContentType(material.OriginalName));
result.Content.Headers.ContentDisposition = new ContentDispositionHeaderValue("Attachment")
{
FileName = HttpContext.Current.EncodeFileNameByBrowser(material.OriginalName)
};
return(result);
}