Delphi ActiveX Google Drive: List Files

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Lists files..

Documentation: https://developers.google.com/drive/v3/reference/files/list


var
rest: TChilkatRest;
success: Integer;
oauth2: TChilkatOAuth2;
sbJson: TChilkatStringBuilder;
json: TChilkatJsonObject;
kind: WideString;
incompleteSearch: Integer;
i: Integer;
count_i: Integer;
id: WideString;
name: WideString;
mimeType: 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;

sbJson := TChilkatStringBuilder.Create(Self);
success := rest.FullRequestNoBodySb('GET','/drive/v3/files',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');
incompleteSearch := json.BoolOf('incompleteSearch');
i := 0;
count_i := json.SizeOfArray('files');
while i < count_i do
  begin
    json.I := i;
    kind := json.StringOf('files[i].kind');
    id := json.StringOf('files[i].id');
    name := json.StringOf('files[i].name');
    mimeType := json.StringOf('files[i].mimeType');
    i := i + 1;
  end;

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

Sample JSON Response Body

{
 "kind": "drive#fileList",
 "incompleteSearch": false,
 "files": [
  {
   "kind": "drive#file",
   "id": "0B53Q6OSTWYolT1E4blNEaHlBVTg",
   "name": "misc",
   "mimeType": "application/vnd.google-apps.folder"
  },
  {
   "kind": "drive#file",
   "id": "0B84ttUI7E_NyWHBYNUlFRGZSWVE",
   "name": "02112017091435553-LW0826-058444946-4C414E43.xml",
   "mimeType": "application/xml"
  },
  {
   "kind": "drive#file",
   "id": "0B5w0YPzxv8g6SmRDTWUweEJCeVk",
   "name": "Sales in 2004.pdf",
   "mimeType": "application/pdf"
  },
  {
   "kind": "drive#file",
   "id": "0By-hrxCCDzSQUGxJY0hzNUFpNmc",
   "name": "helloWorld.txt",
   "mimeType": "text/plain"
  },
  {
   "kind": "drive#file",
   "id": "0B53Q6OSTWYolMjZhSkV0a2tUX3c",
   "name": "hamletC.xml",
   "mimeType": "text/xml"
  },
  {
   "kind": "drive#file",
   "id": "0B53Q6OSTWYolVlA1d0tscUtRLXc",
   "name": "chilkat",
   "mimeType": "application/vnd.google-apps.folder"
  },
  {
   "kind": "drive#file",
   "id": "0B53Q6OSTWYolelZ2UGdPZmlJTmc",
   "name": "hamlet2.xml",
   "mimeType": "text/xml"
  },
  {
   "kind": "drive#file",
   "id": "0B53Q6OSTWYolaWNqLWJqLUhwb2M",
   "name": "starfish3.jpg",
   "mimeType": "image/jpeg"
  },
  {
   "kind": "drive#file",
   "id": "0B53Q6OSTWYolNlFnbDhWZ3g3UGc",
   "name": "starfish4.jpg",
   "mimeType": "image/jpeg"
  },
  {
   "kind": "drive#file",
   "id": "0B53Q6OSTWYolQlExSlBQT1phZXM",
   "name": "pigs.json",
   "mimeType": "attachment/json"
  },
  {
   "kind": "drive#file",
   "id": "0B53Q6OSTWYolVHRPVkxtYWFtZkk",
   "name": "starfish20.jpg",
   "mimeType": "image/jpeg"
  },
  {
   "kind": "drive#file",
   "id": "0B53Q6OSTWYolRGZEV3ZGUTZfNFk",
   "name": "penguins2.jpg",
   "mimeType": "image/jpeg"
  },
  {
   "kind": "drive#file",
   "id": "0B53Q6OSTWYolS2FXSjliMXQxSU0",
   "name": "starfish.jpg",
   "mimeType": "image/jpeg"
  },
  {
   "kind": "drive#file",
   "id": "0B53Q6OSTWYolREhVUzVWRUlFeGM",
   "name": "Пингвины.jpg",
   "mimeType": "image/jpeg"
  },
  {
   "kind": "drive#file",
   "id": "0B53Q6OSTWYolZUhxckMzb0dRMzg",
   "name": "starfish.jpg",
   "mimeType": "image/jpeg"
  },
  {
   "kind": "drive#file",
   "id": "0B53Q6OSTWYolbUF6WS1Gei1oalk",
   "name": "penguins.jpg",
   "mimeType": "image/jpeg"
  },
  {
   "kind": "drive#file",
   "id": "0B53Q6OSTWYola296ODZUSm5GYU0",
   "name": "123",
   "mimeType": "application/vnd.google-apps.folder"
  },
  {
   "kind": "drive#file",
   "id": "0B53Q6OSTWYolbTE3c3J5RHBUcHM",
   "name": "abc",
   "mimeType": "application/vnd.google-apps.folder"
  },
  {
   "kind": "drive#file",
   "id": "0B53Q6OSTWYolTmhybWJSUGd5Q2c",
   "name": "testHello.txt",
   "mimeType": "text/plain"
  },
  {
   "kind": "drive#file",
   "id": "0B53Q6OSTWYolY2tPU1BnYW02T2c",
   "name": "testFolder",
   "mimeType": "application/vnd.google-apps.folder"
  }
 ]
}