protected async void Button1_Click(object sender, EventArgs e)
{
// define the Bucket, DWG and PDF file names
string bucketName = "designautomationsample-" + Guid.NewGuid().ToString();
string dwgFileName = FileUpload1.FileName;
string pdfFileName = dwgFileName.Replace(".dwg", ".pdf");
// upload from client/browser to my server
string fileSavePath = Path.Combine(HttpContext.Current.Server.MapPath("~/App_Data"), dwgFileName);
Directory.CreateDirectory(Path.GetDirectoryName(fileSavePath));
FileUpload1.SaveAs(fileSavePath);
IAmazonS3 client = new AmazonS3Client(Amazon.RegionEndpoint.USWest2);
// create AWS Bucket
if (!await client.DoesS3BucketExistAsync(bucketName))
{
await client.EnsureBucketExistsAsync(bucketName);
}
// Upload file from Server to S3 bucket
client.UploadObjectFromFilePath(bucketName, FileUpload1.FileName, fileSavePath, null);
// delete files from server
Directory.Delete(Path.GetDirectoryName(fileSavePath), true);
// OAuht 2-legged on Forge
TwoLeggedApi apiInstance = new TwoLeggedApi();
dynamic bearer = await apiInstance.AuthenticateAsync(Config.FORGE_CLIENT_ID, Config.FORGE_CLIENT_SECRET, Autodesk.Forge.oAuthConstants.CLIENT_CREDENTIALS, Config.FORGE_SCOPE_DESIGN_AUTOMATION);
// generate URLs for Design Automation to access (download & upload) S3 files
Uri downloadFromS3 = new Uri(client.GeneratePreSignedURL(bucketName, dwgFileName, DateTime.Now.AddMinutes(90), null));
Dictionary <string, object> props = new Dictionary <string, object>();
props.Add("Verb", "PUT");
Uri uploadToS3 = new Uri(client.GeneratePreSignedURL(bucketName, pdfFileName, DateTime.Now.AddMinutes(10), props));
// prepare WorkItem (based on the built-in "PlotToPDF" activity")
WorkItemsApi workItemsApi = new WorkItemsApi();
workItemsApi.Configuration.AccessToken = bearer.access_token;
JObject arguments = new JObject
{
new JProperty(
"InputArguments", new JArray
{
new JObject
{
new JProperty("Resource", downloadFromS3.GetLeftPart(UriPartial.Path)),
new JProperty("Headers", MakeHeaders(WebRequestMethods.Http.Get, downloadFromS3)),
new JProperty("Name", "HostDwg")
}
}
),
new JProperty(
"OutputArguments", new JArray
{
new JObject
{
new JProperty("Name", "Result"),
new JProperty("HttpVerb", "PUT"),
new JProperty("Resource", uploadToS3.GetLeftPart(UriPartial.Path)),
new JProperty("Headers", MakeHeaders(WebRequestMethods.Http.Put, uploadToS3)),
new JProperty("StorageProvider", "Generic")
}
}
)
};
// submit the workitem...
dynamic workitem = await workItemsApi.CreateWorkItemAsync(new Autodesk.Forge.Model.WorkItem(string.Empty, arguments, null, null, null, "PlotToPDF"));
// wait...
System.Threading.Thread.Sleep(5000); // wait 1 second
// get the status
string id = workitem.Id;
dynamic status = await workItemsApi.GetWorkItemAsync(id); // Due an issue with the .NET SDK, this is not working (#17)
// download the PDF from S3 to our server
fileSavePath = fileSavePath.Replace(".dwg", ".pdf");
client.DownloadToFilePath(bucketName, pdfFileName, fileSavePath, null);
// send the PDF file to the client (DO NOT expose a direct URL to S3, but send the bytes)
Response.Clear();
Response.ContentType = "application/pdf";
Response.AddHeader("Content-Disposition", "attachment;filename=\"" + pdfFileName + "\"");
Response.BinaryWrite(File.ReadAllBytes(fileSavePath));
Response.Flush();
Response.End();
// delete files on S3
await client.DeleteObjectAsync(bucketName, dwgFileName);
await client.DeleteObjectAsync(bucketName, pdfFileName);
await client.DeleteBucketAsync(bucketName);
// delete PDF file from server
Directory.Delete(Path.GetDirectoryName(fileSavePath), true);
}
public void Init()
{
instance = new WorkItemsApi();
}
