Delphi DLL Google Drive: List Files on a Team Drive

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Retrieves a list of files for a particular team drive.

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

var
rest: HCkRest;
success: Boolean;
oauth2: HCkOAuth2;
sbJson: HCkStringBuilder;
json: HCkJsonObject;
kind: PWideChar;
incompleteSearch: Boolean;
i: Integer;
count_i: Integer;
id: PWideChar;
name: PWideChar;
mimeType: PWideChar;
teamDriveId: PWideChar;

begin
rest := CkRest_Create();

//   Provide a previously obtained OAuth2 access token.
oauth2 := CkOAuth2_Create();
CkOAuth2_putAccessToken(oauth2,'OAUTH2_ACCESS_TOKEN');
CkRest_SetAuthOAuth2(rest,oauth2);

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

CkRest_AddQueryParam(rest,'teamDriveId','0AEd3EhGff2SaUk9PVA');
CkRest_AddQueryParam(rest,'includeTeamDriveItems','true');
CkRest_AddQueryParam(rest,'corpora','teamDrive');
CkRest_AddQueryParam(rest,'supportsTeamDrives','true');

sbJson := CkStringBuilder_Create();
success := CkRest_FullRequestNoBodySb(rest,'GET','/drive/v3/files',sbJson);
if (success <> True) then
  begin
    Memo1.Lines.Add(CkRest__lastErrorText(rest));
    Exit;
  end;

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

json := CkJsonObject_Create();
CkJsonObject_LoadSb(json,sbJson);

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

kind := CkJsonObject__stringOf(json,'kind');
incompleteSearch := CkJsonObject_BoolOf(json,'incompleteSearch');
i := 0;
count_i := CkJsonObject_SizeOfArray(json,'files');
while i < count_i do
  begin
CkJsonObject_putI(json,i);
    kind := CkJsonObject__stringOf(json,'files[i].kind');
    id := CkJsonObject__stringOf(json,'files[i].id');
    name := CkJsonObject__stringOf(json,'files[i].name');
    mimeType := CkJsonObject__stringOf(json,'files[i].mimeType');
    teamDriveId := CkJsonObject__stringOf(json,'files[i].teamDriveId');
    i := i + 1;
  end;

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

CkRest_Dispose(rest);
CkOAuth2_Dispose(oauth2);
CkStringBuilder_Dispose(sbJson);
CkJsonObject_Dispose(json);

Sample JSON Response Body

{
  "kind": "drive#fileList",
  "incompleteSearch": false,
  "files": [
    {
      "kind": "drive#file",
      "id": "18UpPSa-c_OPNi2CXY05gkpjIzNAJyd4q",
      "name": "hedgehogs.jpg",
      "mimeType": "image/jpeg",
      "teamDriveId": "0AEd3EhGff2SaUk9PVA"
    },
    {
      "kind": "drive#file",
      "id": "1R_70heIyzIAu1_u0prXbYcaIiJRVkgBl",
      "name": "penguins.jpg",
      "mimeType": "image/jpeg",
      "teamDriveId": "0AEd3EhGff2SaUk9PVA"
    },
    {
      "kind": "drive#file",
      "id": "16MsxSRSz6ISRx1D_PXyA5Sj6aNFSEd4e",
      "name": "seahorse.jpg",
      "mimeType": "image/jpeg",
      "teamDriveId": "0AEd3EhGff2SaUk9PVA"
    },
    {
      "kind": "drive#file",
      "id": "1lT4TbeSSMtxgB2MmwE7-5i7vQaxhr6Ze",
      "name": "starfish2.jpg",
      "mimeType": "image/jpeg",
      "teamDriveId": "0AEd3EhGff2SaUk9PVA"
    },
    {
      "kind": "drive#file",
      "id": "1PVtx4SJB0n2GDcaJAbi_mSlQwXltYsx3",
      "name": "test",
      "mimeType": "application/vnd.google-apps.folder",
      "teamDriveId": "0AEd3EhGff2SaUk9PVA"
    }
  ]
}