//### callback check for Sample37
public ActionResult sample37_callback()
{
// Get user info
String infoFile = AppDomain.CurrentDomain.BaseDirectory + "user_info.txt";
System.IO.StreamReader userInfoFile = new System.IO.StreamReader(infoFile);
String clientId = userInfoFile.ReadLine();
String privateKey = userInfoFile.ReadLine();
userInfoFile.Close();
// Check is data posted
if (Request.HttpMethod == "POST")
{
System.IO.StreamReader reader = new System.IO.StreamReader(Request.InputStream);
String jsonString = reader.ReadToEnd();
var data = System.Web.Helpers.Json.Decode(jsonString);
String envelopGuid = data.SourceId;
envelopGuid = envelopGuid.Replace(" ", "");
String jobStatus = data.Eventtype;
jobStatus = jobStatus.Replace(" ", "");
// Create service for Groupdocs account
GroupdocsService service = new GroupdocsService("https://api.groupdocs.com/v2.0", clientId, privateKey);
//Make request to api for get document info by job id
if (jobStatus.Equals("JobCompleted"))
{
String downloadFolder = AppDomain.CurrentDomain.BaseDirectory + "downloads/";
//check if Downloads folder exists and remove it to clean all old files
if (Directory.Exists(downloadFolder))
{
Directory.Delete(downloadFolder, true);
Directory.CreateDirectory(downloadFolder);
}
else
{
Directory.CreateDirectory(downloadFolder);
}
Groupdocs.Api.Contract.Signature.SignatureEnvelopeDocumentsResponse envelopDocuments = service.GetEnvelopeDocuments(envelopGuid);
if (envelopDocuments.Status.Equals("Ok"))
{
String documentName = envelopDocuments.Result.Documents[0].Name;
Stream getSignedDocument = service.GetSignedDocuments(envelopGuid);
if (getSignedDocument.Length > 0)
{
FileStream writeStream = new FileStream(downloadFolder + documentName, FileMode.Create, FileAccess.Write);
int Length = 256;
Byte[] buffer = new Byte[Length];
int bytesRead = getSignedDocument.Read(buffer, 0, Length);
// write the required bytes
while (bytesRead > 0)
{
writeStream.Write(buffer, 0, bytesRead);
bytesRead = getSignedDocument.Read(buffer, 0, Length);
}
getSignedDocument.Close();
writeStream.Close();
return View("sample37_callback");
}
}
}
return View("sample37_callback");
}
// If data not posted return to template for filling of necessary fields
else
{
String jobId = clientId + ":" + privateKey;
return View("sample37_callback", null, jobId);
}
}
public ActionResult Sample36()
{
// Check is data posted
if (Request.HttpMethod == "POST")
{
//### Set variables and get POST data
System.Collections.Hashtable result = new System.Collections.Hashtable();
String clientId = Request.Form["clientId"];
String privateKey = Request.Form["privateKey"];
String envelopGuid = Request.Form["envelopGuid"];
String basePath = Request.Form["basePath"];
// Set entered data to the results list
result.Add("clientId", clientId);
result.Add("privateKey", privateKey);
result.Add("envelopGuid", envelopGuid);
String message = null;
// Check is all needed fields are entered
if (clientId == null || privateKey == null || envelopGuid == null)
{
// If not all fields entered send error message
message = "Please enter all parameters";
result.Add("error", message);
return View("Sample36", null, result);
}
else
{
if (basePath == "")
{
basePath = "https://api.groupdocs.com/v2.0";
}
//Make propper URL for basePath
if (!basePath.Substring(basePath.Length - 3, 3).Equals("2.0"))
{
if (!basePath.Substring(basePath.Length - 1, 1).Equals("/"))
{
basePath = basePath + "/v2.0";
}
else
{
basePath = basePath + "v2.0";
}
}
result.Add("basePath", basePath);
// Create service for Groupdocs account
GroupdocsService service = new GroupdocsService(basePath, clientId, privateKey);
String downloadFolder = AppDomain.CurrentDomain.BaseDirectory + "downloads/";
//check if Downloads folder exists and remove it to clean all old files
if (Directory.Exists(downloadFolder))
{
//Delete Downlaods folder
Directory.Delete(downloadFolder, true);
//Create empty Downloads folder
Directory.CreateDirectory(downloadFolder);
}
//If Downloads folder not exist create it
else
{
Directory.CreateDirectory(downloadFolder);
}
//Get documents info from envelop
Groupdocs.Api.Contract.Signature.SignatureEnvelopeDocumentsResponse envelopDocuments = service.GetEnvelopeDocuments(envelopGuid);
if (envelopDocuments.Status.Equals("Ok"))
{
//Get document name
String documentName = envelopDocuments.Result.Documents[0].Name;
//Get signed document from envelop (this method return stream)
Stream getSignedDocument = service.GetSignedDocuments(envelopGuid);
//Create file from stream
if (getSignedDocument.Length > 0)
{
//Create new file
FileStream writeStream = new FileStream(downloadFolder + documentName, FileMode.Create, FileAccess.Write);
int Length = 256;
//Create byte array with "Length" elements
Byte[] buffer = new Byte[Length];
//Read bytes from stream
int bytesRead = getSignedDocument.Read(buffer, 0, Length);
// write the required bytes
while (bytesRead > 0)
{
//Write stream bytes to file
writeStream.Write(buffer, 0, bytesRead);
//Read next bytes
bytesRead = getSignedDocument.Read(buffer, 0, Length);
}
//Close stream
getSignedDocument.Close();
//Close write stream
writeStream.Close();
result.Add("documentName", documentName);
message = "Files from the envelope were downloaded to server\'s local folder. You can check it <a href=\"/downloads/" + documentName + "\">here</a>";
result.Add("message", message);
}
else
{
result.Add("error", "Get signed document from envelop is failed");
return View("Sample36", null, result);
}
}
else
{
result.Add("error", envelopDocuments.ErrorMessage);
return View("Sample36", null, result);
}
return View("Sample36", null, result);
}
}
// If data not posted return to template for filling of necessary fields
else
{
return View("Sample36");
}
}
