public async Task <HttpResponseMessage> Post()
{
if (!Request.Content.IsMimeMultipartContent())
{
throw new HttpResponseException(HttpStatusCode.UnsupportedMediaType);
}
if (AuthFailed())
{
var authproblem = new HttpResponseMessage(HttpStatusCode.Unauthorized);
return(authproblem);
}
var provider = new MultipartMemoryStreamProvider();
await Request.Content.ReadAsMultipartAsync(provider);
Client.Data reportData = null;
byte[] reportTemplate = null;
foreach (var file in provider.Contents)
{
string name = file.Headers.ContentDisposition.Name;
if (string.Equals(name, "reportdata", StringComparison.CurrentCultureIgnoreCase))
{
var buffer = await file.ReadAsByteArrayAsync();
reportData = Newtonsoft.Json.JsonConvert.DeserializeObject <Client.Data>(await file.ReadAsStringAsync());
}
else
{
reportTemplate = await file.ReadAsByteArrayAsync();
}
}
string reportPath = null;
byte[] bytes = null;
try
{
reportPath = System.IO.Path.GetTempFileName() + ".rpt";
// System.IO.File.WriteAllBytes(reportPath, reportTemplate);
// Using System.IO.File.WriteAllBytes randomly causes problems where the system still
// has the file open when crystal attempts to load it and crystal fails.
using (var fstream = new FileStream(reportPath, FileMode.Create))
{
fstream.Write(reportTemplate, 0, reportTemplate.Length);
fstream.Flush();
fstream.Close();
}
var exporter = new PdfExporter();
bytes = exporter.exportReportToStream(reportPath, reportData);
}
catch (Exception ex)
{
var message = new HttpResponseMessage(HttpStatusCode.InternalServerError)
{
Content = new StringContent(ex.Message + System.Environment.NewLine + ex.StackTrace)
};
return(message);
}
finally
{
try
{
System.IO.File.Delete(reportPath);
}
catch (Exception)
{
// TODO: cleanup will happen later
}
}
var result = new HttpResponseMessage(HttpStatusCode.OK)
{
Content = new ByteArrayContent(bytes)
};
result.Content.Headers.ContentDisposition = new System.Net.Http.Headers.ContentDispositionHeaderValue("attachment")
{
FileName = "report.pdf"
};
result.Content.Headers.ContentType = new MediaTypeHeaderValue("application/octet-stream");
return(result);
}
