public PdfDocument GetPdfDocuments(List <File> Files)
{
var outputDoc = new PdfDocument();
var pFor = Parallel.ForEach(Files, file =>
{
FilesResource.ExportRequest request = service.Files.Export(file.Id, "application/pdf");
var stream = new System.IO.MemoryStream();
// Add a handler which will be notified on progress changes.
// It will notify on each chunk download and when the
// download is completed or failed.
request.MediaDownloader.ProgressChanged +=
(IDownloadProgress progress) =>
{
switch (progress.Status)
{
case DownloadStatus.Downloading:
{
Console.WriteLine(progress.BytesDownloaded);
break;
}
case DownloadStatus.Completed:
{
Console.WriteLine("Download complete.");
var n = PdfReader.Open(stream, PdfDocumentOpenMode.Import);
var page1 = n.Pages[0];
var cropped = new PdfDocument();
cropped.AddPage(page1);
using (var ms = new MemoryStream())
{
cropped.Save(ms);
cropped.Close();
Docs.Add(new DocWName
{
Name = file.Name,
Doc = stream.ToArray()
});
}
//outputDoc.AddPage(page1);
//var n = new PdfDocument(new PdfReader(stream));
break;
}
case DownloadStatus.Failed:
{
Console.WriteLine("Download failed.");
break;
}
}
};
request.DownloadWithStatus(stream);
});
Docs = Docs.OrderBy(d => d.Name).ToList();
foreach (var doc in Docs)
{
using (var ms = new MemoryStream(doc.Doc))
{
var d = PdfReader.Open(ms, PdfDocumentOpenMode.Import);
outputDoc.AddPage(d.Pages[0]);
}
}
return(outputDoc);
}
static void Main(string[] args)
{
UserCredential credential;
// If modifying these scopes, delete previously saved token.json
string[] Scopes = { DriveService.Scope.DriveReadonly };
string ApplicationName = "########";
string fileId = "########";
string path = @"########"; //Include filename & extension i.e. C:\stuff\sheet001.xlsx
var jetStream = new System.IO.MemoryStream();
using (var stream =
new FileStream("credentials.json", FileMode.Open, FileAccess.Read))
{
// The file token.json stores the user's access and refresh tokens, and is created
// automatically when the authorization flow completes for the first time.
string credPath = "token.json";
credential = GoogleWebAuthorizationBroker.AuthorizeAsync(
GoogleClientSecrets.Load(stream).Secrets,
Scopes,
"user",
CancellationToken.None,
new FileDataStore(credPath, true)).Result;
Console.WriteLine("Credential file saved to: " + credPath);
}
var service = new DriveService(new BaseClientService.Initializer()
{
HttpClientInitializer = credential,
ApplicationName = ApplicationName,
});
FilesResource.ExportRequest request = new FilesResource.ExportRequest(service, fileId, "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet");
request.MediaDownloader.ProgressChanged += (Google.Apis.Download.IDownloadProgress progress) =>
{
switch (progress.Status)
{
case Google.Apis.Download.DownloadStatus.Downloading:
{
Console.WriteLine(progress.BytesDownloaded);
break;
}
case Google.Apis.Download.DownloadStatus.Completed:
{
Console.WriteLine("Download complete.");
using (System.IO.FileStream file = new System.IO.FileStream(path, System.IO.FileMode.Create, System.IO.FileAccess.Write))
{
jetStream.WriteTo(file);
}
break;
}
case Google.Apis.Download.DownloadStatus.Failed:
{
Console.WriteLine("Download failed.");
break;
}
}
};
request.DownloadWithStatus(jetStream);
}