Pascal (Lazarus/Delphi)

MyInvois Malaysia Get Document Types

See more Malaysia MyInvois Examples

There are multiple types of documents supported by MyInvois, and this API retrieves their definitions through 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.StringBuilder,
  Chilkat.JsonObject;

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

procedure RunDemo;
var
  success: Boolean;
  http: THttp;
  sb: TStringBuilder;
  statusCode: Integer;
  json: TJsonObject;
  id: Integer;
  invoiceTypeCode: Integer;
  description: string;
  activeFrom: string;
  activeTo: string;
  j: Integer;
  count_j: Integer;
  name: string;
  versionNumber: string;
  status: string;
  i: Integer;
  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;

  //  Adds the "Authorization: Bearer <access_token>" header.
  http.AuthToken := '<access_token>';

  //  Note: The access token is valid for a short amount of time.  Perhaps 1 hour.
  //  The access token is used in the "Authorization: Bearer <access_token>" header in subsequent requests until it expires.
  //  Your application would then need to get a new access token, and so on..
  //  To get an access token, see How to Get a MyInvois Access Token

  sb := TStringBuilder.Create;
  success := http.QuickGetSb('https://preprod-api.myinvois.hasil.gov.my/api/v1.0/documenttypes',sb);
  if (success = False) then
    begin
      WriteLn(http.LastErrorText);
      Exit;
    end;

  statusCode := http.LastStatus;
  WriteLn('response status code = ' + statusCode);

  if (statusCode <> 200) then
    begin
      //  Failed.
      WriteLn(sb.GetAsString());
      Exit;
    end;

  //  Sample response:

  //  {"result":
  //        [
  //           {"id":45,
  //              "invoiceTypeCode":4,
  //              "description":"Invoice",
  //              "activeFrom":"2015-02-13T13:15:00Z",
  //              "activeTo":"2027-03-01T00:00:00Z",
  //              "documentTypeVersions":
  //              [
  //                 {"id":454,
  //                  "name":"1.0",
  //                  "description":"Invoice version 1.1",
  //                  "activeFrom":"2015-02-13T13:15:00Z",
  //                  "activeTo":"2027-03-01T00:00:00Z",
  //                  "versionNumber":1.1,
  //                  "status":"published"
  //                 }
  //              ]
  //            }
  //        ]
  //  }

  //  Use this online tool to generate parsing code from sample JSON: 
  //  Generate Parsing Code from JSON

  json := TJsonObject.Create;
  json.LoadSb(sb);

  i := 0;
  count_i := json.SizeOfArray('result');
  while i < count_i do
    begin
      json.I := i;
      id := json.IntOf('result[i].id');
      invoiceTypeCode := json.IntOf('result[i].invoiceTypeCode');
      description := json.StringOf('result[i].description');
      activeFrom := json.StringOf('result[i].activeFrom');
      activeTo := json.StringOf('result[i].activeTo');
      j := 0;
      count_j := json.SizeOfArray('result[i].documentTypeVersions');
      while j < count_j do
        begin
          json.J := j;
          id := json.IntOf('result[i].documentTypeVersions[j].id');
          name := json.StringOf('result[i].documentTypeVersions[j].name');
          description := json.StringOf('result[i].documentTypeVersions[j].description');
          activeFrom := json.StringOf('result[i].documentTypeVersions[j].activeFrom');
          activeTo := json.StringOf('result[i].documentTypeVersions[j].activeTo');
          versionNumber := json.StringOf('result[i].documentTypeVersions[j].versionNumber');
          status := json.StringOf('result[i].documentTypeVersions[j].status');
          j := j + 1;
        end;

      i := i + 1;
    end;



  http.Free;
  sb.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.