Delphi ActiveX GMail: Get User's GMail Profile

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Gets the current user's Gmail profile.

Documentation: https://developers.google.com/gmail/api/v1/reference/users/getProfile

var
rest: TChilkatRest;
success: Integer;
oauth2: TChilkatOAuth2;
sbJson: TChilkatStringBuilder;
json: TChilkatJsonObject;
emailAddress: WideString;
messagesTotal: Integer;
threadsTotal: Integer;
historyId: WideString;

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.AddPathParam('userId','matt@chilkat.io');

sbJson := TChilkatStringBuilder.Create(Self);
success := rest.FullRequestNoBodySb('GET','/gmail/v1/users/userId/profile',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.

emailAddress := json.StringOf('emailAddress');
messagesTotal := json.IntOf('messagesTotal');
threadsTotal := json.IntOf('threadsTotal');
historyId := json.StringOf('historyId');

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

Sample JSON Response Body

{
  "emailAddress": "matt@chilkat.io",
  "messagesTotal": 3,
  "threadsTotal": 3,
  "historyId": "1257"
}