private OASResponse StartPPTConversion(OASModels.ConversionSettings settings, SPUserToken userToken)
{
OASResponse oasResponse = new OASResponse();
using (SPSite site = (userToken == null ? new SPSite(ConfigurationManager.AppSettings["SiteUrl"]) : new SPSite(ConfigurationManager.AppSettings["SiteUrl"], userToken)))
{
using (SPWeb web = site.OpenWeb())
{
try
{
web.AllowUnsafeUpdates = true;
byte[] input = Convert.FromBase64String(settings.Content);
SPFolder lib = GetOASLibrary(web);
//add source file to library
string source = Guid.NewGuid().ToString();
SPFile srcfile = lib.Files.Add(source, input, true);
string dest = source + EXTENSION;
//Set up the job
MemoryStream ms = new MemoryStream();
Microsoft.Office.Server.PowerPoint.Conversion.FixedFormatSettings ppsettings = FillPowerPointConversionOptions(settings.Options);
PdfRequest request = new PdfRequest(new MemoryStream(input), ".pptx", ppsettings, ms);
PPTJob job = new PPTJob();
job.source = source;
job.dest = dest;
job.web = web;
job.output = ms;
job.request = request;
IAsyncResult result = request.BeginConvert(SPServiceContext.GetContext(web.Site), PPTConversionFinished, job);
// put file to the processing list
AddFileToList(web, job.jobId.ToString(), dest, DocType.PPTX);
oasResponse.FileId = job.jobId.ToString();
oasResponse.ErrorCode = OASErrorCodes.Success;
}
catch (Exception ex)
{
oasResponse.ErrorCode = OASErrorCodes.ErrFailedConvert;
oasResponse.Message = ex.Message;
}
}
}
return(oasResponse);
}
static void PPTConversionFinished(IAsyncResult result)
{
// Get the state object associated with this request.
PPTJob request = (PPTJob)result.AsyncState;
try
{
//finish converrsion
request.request.EndConvert(result);
// Save result to the file
SPFolder lib = GetOASLibrary(request.web);
SPFile srcfile = lib.Files.Add(request.dest, request.output.ToArray(), true);
srcfile.Update();
// Set conversion record to finished state
SetFileFinished(request.web, request.jobId);
}
catch (Exception ex)
{
// In case of any error need cleanup file records
RemoveConversionFiles(request.web, request.jobId);
}
}
