Lazarus Pascal

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. Lazarus Pascal

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.