(MFC) Create Folder

In the Drive API, a folder is essentially a file — one identified by the special folder MIME type application/vnd.google-apps.folder

See Google Drive Files: create for more details.

Also See Working with Folders for more details.

Chilkat C/C++ Library Downloads MS Visual C/C++ Libs

See Also: Using MFC CString in Chilkat

#include <CkAuthGoogle.h>
#include <CkRest.h>
#include <CkJsonObject.h>

void ChilkatSample(void)
    {
    CkString strOut;

    // Creating a folder is technically an upload of a 0-length file
    // having a MIME type of "application/vnd.google-apps.folder"

    bool success = true;

    // It requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    // This example uses a previously obtained access token having permission for the 
    // Google Drive scope.

    CkAuthGoogle gAuth;
    gAuth.put_AccessToken("GOOGLE-DRIVE-ACCESS-TOKEN");

    CkRest rest;

    // Connect using TLS.
    bool bAutoReconnect = true;
    success = rest.Connect("www.googleapis.com",443,true,bAutoReconnect);

    // Provide the authentication credentials (i.e. the access token)
    rest.SetAuthGoogle(gAuth);

    // A multipart upload to Google Drive needs a multipart/related Content-Type
    rest.AddHeader("Content-Type","multipart/related");

    // Specify each part of the request.

    // The 1st part is JSON with information about the folder.
    rest.put_PartSelector("1");
    rest.AddHeader("Content-Type","application/json; charset=UTF-8");

    CkJsonObject json;
    json.AppendString("name","testFolder");
    json.AppendString("description","A folder to contain test files.");
    json.AppendString("mimeType","application/vnd.google-apps.folder");
    rest.SetMultipartBodyString(json.emit());

    // The 2nd part would be the file content.
    // Since this is a folder, skip the 2nd part entirely and go straight to the upload..

    const char *jsonResponse = rest.fullRequestMultipart("POST","/upload/drive/v3/files?uploadType=multipart");
    if (rest.get_LastMethodSuccess() != true) {
        strOut.append(rest.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    // A successful response will have a status code equal to 200.
    if (rest.get_ResponseStatusCode() != 200) {
        strOut.append("response status code = ");
        strOut.appendInt(rest.get_ResponseStatusCode());
        strOut.append("\r\n");
        strOut.append("response status text = ");
        strOut.append(rest.responseStatusText());
        strOut.append("\r\n");
        strOut.append("response header: ");
        strOut.append(rest.responseHeader());
        strOut.append("\r\n");
        strOut.append("response JSON: ");
        strOut.append(jsonResponse);
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    // Show the JSON response.
    json.Load(jsonResponse);

    // Show the full JSON response.
    json.put_EmitCompact(false);
    strOut.append(json.emit());
    strOut.append("\r\n");

    // A successful response looks like this:
    // {
    //   "kind": "drive#file",
    //   "id": "0B53Q6OSTWYolY2tPU1BnYW02T2c",
    //   "name": "testFolder",
    //   "mimeType": "application/vnd.google-apps.folder"
    // }

    // Get the fileId:
    strOut.append("fileId: ");
    strOut.append(json.stringOf("id"));
    strOut.append("\r\n");


    SetDlgItemText(IDC_EDIT1,strOut.getUnicode());

    }