Pascal (Lazarus/Delphi)

Delete a Task from a Task List

See more Google Tasks Examples

Demonstrates how to delete a Google task from a task list. 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.FileAccess,
  Chilkat.HttpResponse;

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

procedure RunDemo;
var
  success: Boolean;
  fac: TFileAccess;
  accessToken: string;
  http: THttp;
  resp: THttpResponse;

begin
  success := False;

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

  //  Get the previously obtained access token.
  //  See Get Google Tasks Access Token.

  fac := TFileAccess.Create;
  accessToken := fac.ReadEntireTextFile('qa_data/tokens/googleTasks.txt','utf-8');
  if (fac.LastMethodSuccess = False) then
    begin
      WriteLn(fac.LastErrorText);
      Exit;
    end;

  http := THttp.Create;

  http.AuthToken := accessToken;

  http.SetUrlVar('tasklist','MDM4MzQ4NTA3NDQwMDUxMzQ2OTQ6NzAwOTA4MDA1NzU2ODYwMzow');
  http.SetUrlVar('task','MDM4MzQ4NTA3NDQwMDUxMzQ2OTQ6NzAwOTA4MDA1NzU2ODYwMzoxMTg0MzQxMTkzMjM2MDY1');

  resp := THttpResponse.Create;
  success := http.HttpNoBody('DELETE','https://www.googleapis.com/tasks/v1/lists/{$tasklist}/tasks/{$task}',resp);
  if (success = False) then
    begin
      WriteLn(http.LastErrorText);
      Exit;
    end;

  //  Show the response body. (empty for success)
  WriteLn(resp.BodyStr);

  //  Examine the response status code. (204 = success)
  WriteLn('response status code: ' + resp.StatusCode);


  fac.Free;
  http.Free;
  resp.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.