Delphi ActiveX Google Drive: Create a Permission for a File

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Creates a new permission for a file. (In this example the permission is created for the file with id = 1BXNQ4sMDD1WibOtcYqgQlwJa0MAa6rTQ)

Documentation: https://developers.google.com/drive/v3/reference/permissions/create

var
rest: TChilkatRest;
success: Integer;
oauth2: TChilkatOAuth2;
jsonReq: TChilkatJsonObject;
sbReq: TChilkatStringBuilder;
sbJson: TChilkatStringBuilder;
json: TChilkatJsonObject;
kind: WideString;
id: WideString;
type: WideString;
role: WideString;
allowFileDiscovery: Integer;

begin
rest := TChilkatRest.Create(Self);

//   Provide a previously obtained OAuth2 access token.
oauth2 := TChilkatOAuth2.Create(Self);
oauth2.AccessToken := 'OAUTH2_ACCESS_TOKEN';
rest.SetAuthOAuth2(oauth2.ControlInterface);

success := rest.Connect('www.googleapis.com',443,1,1);
if (success <> 1) then
  begin
    Memo1.Lines.Add(rest.LastErrorText);
    Exit;
  end;

rest.AddQueryParam('includeTeamDriveItems','true');
rest.AddQueryParam('supportsTeamDrives','true');

//  The following code creates the JSON request body.
//  The JSON created by this code is shown below.
jsonReq := TChilkatJsonObject.Create(Self);
jsonReq.UpdateString('role','reader');
jsonReq.UpdateString('type','anyone');

sbReq := TChilkatStringBuilder.Create(Self);
jsonReq.EmitSb(sbReq.ControlInterface);

rest.AddHeader('Content-Type','application/json');

sbJson := TChilkatStringBuilder.Create(Self);
success := rest.FullRequestSb('POST','/drive/v3/files/1BXNQ4sMDD1WibOtcYqgQlwJa0MAa6rTQ/permissions',sbReq.ControlInterface,sbJson.ControlInterface);
if (success <> 1) then
  begin
    Memo1.Lines.Add(rest.LastErrorText);
    Exit;
  end;

if (rest.ResponseStatusCode <> 200) then
  begin
    Memo1.Lines.Add('Received error response code: ' + IntToStr(rest.ResponseStatusCode));
    Memo1.Lines.Add('Response body:');
    Memo1.Lines.Add(sbJson.GetAsString());
    Exit;
  end;

json := TChilkatJsonObject.Create(Self);
json.LoadSb(sbJson.ControlInterface);

//  The following code parses the JSON response.
//  A sample JSON response is shown below the sample code.

kind := json.StringOf('kind');
id := json.StringOf('id');
type := json.StringOf('type');
role := json.StringOf('role');
allowFileDiscovery := json.BoolOf('allowFileDiscovery');

Memo1.Lines.Add('Example Completed.');

Sample JSON Request Body

{
  "role": "reader",
  "type": "anyone"
}

Sample JSON Response Body

{
  "kind": "drive#permission",
  "id": "anyoneWithLink",
  "type": "anyone",
  "role": "reader",
  "allowFileDiscovery": false
}