Delphi DLL

MyInvois Malaysia Submit Document

See more Malaysia MyInvois Examples

Demonstrates how to submit a document to MyInvois. Delphi DLL

uses
    Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
    Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, Http, StringBuilder, HttpResponse, JsonObject;

...

procedure TForm1.Button1Click(Sender: TObject);
var
success: Boolean;
http: HCkHttp;
sbXmlDoc: HCkStringBuilder;
sha256: PWideChar;
sbEncoded: HCkStringBuilder;
json: HCkJsonObject;
resp: HCkHttpResponse;

begin
success := False;

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

http := CkHttp_Create();

// The following JSON is sent in the request body.

// {
//   "documents": [
//     {
//       "format": "XML",
//       "documentHash": "<SHA256_hash_of_document>",
//       "codeNumber": "INV12345",
//       "document": "<Document_encoded_in_Base64>"
//     }
//   ]
// }

// Load the document to be sent.
sbXmlDoc := CkStringBuilder_Create();
success := CkStringBuilder_LoadFile(sbXmlDoc,'c:/invoices/invoice1.xml','utf-8');

// The MyInvois online documentation neglects to tell us the encoding of the documentHash.
// Should it be base64?  Or hex?  We can only guess.  MyInvois provides no samples,
// and omits these crucial details which are needed for actual implementation.
// 
// *** Note: It was confirmed that "hex" is the encoding that is needed.
sha256 := CkStringBuilder__getHash(sbXmlDoc,'sha256','hex','utf-8');

sbEncoded := CkStringBuilder_Create();
CkStringBuilder_AppendSb(sbEncoded,sbXmlDoc);
CkStringBuilder_Encode(sbEncoded,'base64','utf-8');

json := CkJsonObject_Create();
CkJsonObject_UpdateString(json,'documents[0].format','XML');
CkJsonObject_UpdateString(json,'documents[0].documentHash',sha256);
CkJsonObject_UpdateString(json,'documents[0].codeNumber','INV12345');
CkJsonObject_UpdateSb(json,'documents[0].document',sbEncoded);

// Adds the "Authorization: Bearer <access_token>" header.
CkHttp_putAuthToken(http,'<access_token>');

resp := CkHttpResponse_Create();
success := CkHttp_HttpJson(http,'POST','https://preprod-api.myinvois.hasil.gov.my/api/v1.0/documentsubmissions',json,'application/json',resp);
if (success = False) then
  begin
    Memo1.Lines.Add(CkHttp__lastErrorText(http));
    Exit;
  end;

Memo1.Lines.Add('response status code = ' + IntToStr(CkHttpResponse_getStatusCode(resp)));
Memo1.Lines.Add(CkHttpResponse__bodyStr(resp));

CkHttp_Dispose(http);
CkStringBuilder_Dispose(sbXmlDoc);
CkStringBuilder_Dispose(sbEncoded);
CkJsonObject_Dispose(json);
CkHttpResponse_Dispose(resp);

end;