Pascal (Lazarus/Delphi)

TikTok Shop Get Categories

See more TikTok Shop Examples

An example showing how to use a TikTok Shops access token in an API call. Pascal (Lazarus/Delphi)

program ChilkatDemo;

// Demonstrates using the Chilkat Pascal wrapper via the C bridge DLL.
// Builds as a console application under Lazarus (FPC) or Delphi.

{$IFDEF FPC}
  {$MODE DELPHI}
{$ENDIF}
{$APPTYPE CONSOLE}

uses
  {$IFDEF UNIX}
  cthreads,
  {$ENDIF}
  SysUtils,
  CkDllLoader,
  Chilkat.Http,
  Chilkat.CkDateTime,
  Chilkat.HttpResponse,
  Chilkat.StringBuilder,
  Chilkat.JsonObject,
  Chilkat.Crypt2;

// ---------------------------------------------------------------------------

procedure RunDemo;
var
  success: Boolean;
  http: THttp;
  jsonToken: TJsonObject;
  queryParams: TJsonObject;
  dt: TCkDateTime;
  ascending: Boolean;
  caseSensitive: Boolean;
  appSecret: string;
  path: string;
  sb: TStringBuilder;
  numParams: Integer;
  i: Integer;
  crypt: TCrypt2;
  sig: string;
  resp: THttpResponse;
  json: TJsonObject;
  id: string;
  is_leaf: Boolean;
  local_name: string;
  parent_id: string;
  j: Integer;
  count_j: Integer;
  strVal: string;
  code: Integer;
  message: string;
  request_id: string;
  count_i: Integer;

begin
  success := False;

  //  This example assumes the Chilkat API to have been previously unlocked.
  //  See Global Unlock Sample for sample code.

  http := THttp.Create;

  //  It is assumed we previously obtained an OAuth2 access token.
  //  This example loads the JSON access token file 
  //  saved by this example: Get TikTok Shop OAuth2 Access Token
  //  or refrehsed by this example: Get TikTok Shop Refresh OAuth2 Access Token
  jsonToken := TJsonObject.Create;
  success := jsonToken.LoadFile('qa_data/tokens/tiktok-shops.json');
  if (success <> True) then
    begin
      WriteLn('Failed to load tiktok-shops.json');
      Exit;
    end;

  //  Replace values in all caps with your specific values.
  //  SHOP_CIPHER and SHOP_ID are returned from this example: Get Authorized Shops
  queryParams := TJsonObject.Create;
  queryParams.UpdateString('app_key','APP_KEY');
  queryParams.UpdateString('shop_cipher','SHOP_CIPHER');
  queryParams.UpdateString('shop_id','SHOP_ID');
  dt := TCkDateTime.Create;
  queryParams.UpdateString('timestamp',dt.GetAsUnixTimeStr(False));
  queryParams.UpdateInt('version',202309);

  //  Sort the JSON members by member name, in ascending order (A-Z), case sensitive..
  ascending := True;
  caseSensitive := True;
  queryParams.Sort(ascending,caseSensitive);

  appSecret := 'APP_SECRET';
  path := '/product/202309/categories';

  //  Build the StringToSign
  sb := TStringBuilder.Create;
  sb.Append(appSecret);
  sb.Append(path);
  numParams := queryParams.Size;
  i := 0;
  while i < numParams do
    begin
      sb.Append(queryParams.NameAt(i));
      sb.Append(queryParams.StringAt(i));
      i := i + 1;
    end;

  sb.Append(appSecret);

  crypt := TCrypt2.Create;
  crypt.HashAlgorithm := 'SHA256';
  crypt.MacAlgorithm := 'HMAC';
  crypt.EncodingMode := 'hex_lower';
  crypt.SetMacKeyString(appSecret);

  sig := crypt.MacStringENC(sb.GetAsString());

  queryParams.UpdateString('access_token',jsonToken.StringOf('data.access_token'));
  queryParams.UpdateString('sign',sig);

  http.SetRequestHeader('x-tts-access-token',jsonToken.StringOf('data.access_token'));
  http.SetRequestHeader('content-type','application/json');

  resp := THttpResponse.Create;
  success := http.HttpParams('GET','https://open-api.tiktokglobalshop.com/product/202309/categories',queryParams,resp);
  if (success = False) then
    begin
      WriteLn(http.LastErrorText);
      Exit;
    end;

  json := TJsonObject.Create;
  resp.GetBodyJson(json);

  WriteLn(resp.StatusCode);

  code := json.IntOf('code');
  message := json.StringOf('message');
  request_id := json.StringOf('request_id');
  i := 0;
  count_i := json.SizeOfArray('data.categories');
  while i < count_i do
    begin
      json.I := i;
      id := json.StringOf('data.categories[i].id');
      is_leaf := json.BoolOf('data.categories[i].is_leaf');
      local_name := json.StringOf('data.categories[i].local_name');
      WriteLn('local_name: ' + local_name);
      parent_id := json.StringOf('data.categories[i].parent_id');
      j := 0;
      count_j := json.SizeOfArray('data.categories[i].permission_statuses');
      while j < count_j do
        begin
          json.J := j;
          strVal := json.StringOf('data.categories[i].permission_statuses[j]');
          j := j + 1;
        end;

      i := i + 1;
    end;



  http.Free;
  jsonToken.Free;
  queryParams.Free;
  dt.Free;
  sb.Free;
  crypt.Free;
  resp.Free;
  json.Free;

end;

// ---------------------------------------------------------------------------

begin

  try
    RunDemo;
  except
    on E: Exception do
      WriteLn('Unhandled exception: ', E.ClassName, ': ', E.Message);
  end;

  WriteLn;
  {$IFDEF MSWINDOWS}
  WriteLn('Press Enter to exit...');
  ReadLn;
  {$ENDIF}
end.