public HttpResponseMessage DownloadFile(string fileName)
{
HttpResponseMessage response = Request.CreateResponse();
try
{
string filePath = string.Concat(this.GetDownloadPath(), "\\", fileName);
FileInfo fileInfo = new FileInfo(filePath);
FileMetaData metaData = new FileMetaData();
if (!fileInfo.Exists)
{
metaData.FileResponseMessage.IsExists = false;
metaData.FileResponseMessage.Content = string.Format("{0} file is not found !", fileName);
response = Request.CreateResponse(HttpStatusCode.NotFound, metaData, new MediaTypeHeaderValue("text/json"));
}
else
{
response.Headers.AcceptRanges.Add("bytes");
response.StatusCode = HttpStatusCode.OK;
response.Content = new StreamContent(fileInfo.ReadStream())
{
Headers = {ContentType = new MediaTypeHeaderValue("application/octet-stream")}
};
response.Content.Headers.ContentDisposition = new ContentDispositionHeaderValue("attachment")
{
FileName = fileName
};
response.Content.Headers.ContentLength = fileInfo.Length;
}
}
catch (Exception exception)
{
response = Request.CreateErrorResponse(HttpStatusCode.InternalServerError, exception);
}
return response;
}
