Delphi DLL Google Drive: Generate a Set of File IDs

Back to Index

Generates a set of file IDs which can be provided in create requests.

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

var
rest: HCkRest;
success: Boolean;
oauth2: HCkOAuth2;
sbJson: HCkStringBuilder;
json: HCkJsonObject;
kind: PWideChar;
space: PWideChar;
i: Integer;
count_i: Integer;
strVal: 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,'count','20');
CkRest_AddQueryParam(rest,'space','drive');

sbJson := CkStringBuilder_Create();
success := CkRest_FullRequestNoBodySb(rest,'GET','/drive/v3/files/generateIds',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');
space := CkJsonObject__stringOf(json,'space');
i := 0;
count_i := CkJsonObject_SizeOfArray(json,'ids');
while i < count_i do
  begin
CkJsonObject_putI(json,i);
    strVal := CkJsonObject__stringOf(json,'ids[i]');
    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#generatedIds",
  "space": "drive",
  "ids": [
    "1IT3VaUqXuF4l_4UKAFSmmC0em6kwlkle",
    "1dX50zZmgzwDUonE_GI59oTF1D7RRYD3o",
    "1eH17RULdRXu03inCaNuSeYkNwPS2nfUZ",
    "1jXHKTHe6LazdWV0wPl8xAeHEoo_ZMBVt",
    "1eBH9E3XDEczuUyfeOXT4Abq8S343qt5r",
    "1R3okvS4vI1f1Psg0IJJ3dIhVQsv9SNyY",
    "1rrh7NzGCgK0gYFlHC3IUdqQjcsVInN76",
    "1glhBVDGFgS-61B_l0HaHBGiMRwyhuzp_",
    "1gou1y4Mrq_ETHW7-GMV53e2jlhnze_2A",
    "1KSUwFR7E9iDxpcLO8_hr6nnLUXGR0kAY",
    "1pWt-cW7IBeEyGAkOxu8Q1KUpoHCkjGB2",
    "1nnuZfxcmvq_nmHDKZLvKfohYFbs2X1q_",
    "1rCGGTlP9aU9KNj_Qnt1a4ea3WdbV3NGk",
    "1pLDQjyeBQvYOehHvW9mfzRzMp6yA-HOZ",
    "1Ea-LO9eiwRlgJ-XvpFRxZUje1kFwaEBq",
    "1nXtRHiCcIhXtY3YVcKmArlrljM2eLoGp",
    "1g1VldY1fC3-w0JPycgUOU1mC524r5AHH",
    "1lh1cKumE6jMc-FTfPk7y0V3jqzGydzyQ",
    "1ZPdHqv3NI8tdVJ2k_XBr8cpkJYuq1E6c",
    "1bxfXQmmrOUCnkZJogavDd6CF0eMSAzo9"
  ]
}