(Objective-C) MyInvois Malaysia Submit Document

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Demonstrates how to submit a document to MyInvois.

For more information, see https://sdk.myinvois.hasil.gov.my/einvoicingapi/02-submit-documents/

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#import <CkoHttp.h>
#import <CkoStringBuilder.h>
#import <NSString.h>
#import <CkoJsonObject.h>
#import <CkoHttpResponse.h>

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

CkoHttp *http = [[CkoHttp alloc] init];
BOOL success;

// 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.
CkoStringBuilder *sbXmlDoc = [[CkoStringBuilder alloc] init];
success = [sbXmlDoc LoadFile: @"c:/invoices/invoice1.xml" charset: @"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.
NSString *sha256 = [sbXmlDoc GetHash: @"sha256" encoding: @"hex" charset: @"utf-8"];

CkoStringBuilder *sbEncoded = [[CkoStringBuilder alloc] init];
[sbEncoded AppendSb: sbXmlDoc];
[sbEncoded Encode: @"base64" charset: @"utf-8"];

CkoJsonObject *json = [[CkoJsonObject alloc] init];
[json UpdateString: @"documents[0].format" value: @"XML"];
[json UpdateString: @"documents[0].documentHash" value: sha256];
[json UpdateString: @"documents[0].codeNumber" value: @"INV12345"];
[json UpdateSb: @"documents[0].document" sb: sbEncoded];

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

CkoHttpResponse *resp = [http PostJson3: @"https://preprod-api.myinvois.hasil.gov.my/api/v1.0/documentsubmissions" contentType: @"application/json" json: json];
if (http.LastMethodSuccess == NO) {
    NSLog(@"%@",http.LastErrorText);
    return;
}

NSLog(@"%@%d",@"response status code = ",[resp.StatusCode intValue]);
NSLog(@"%@",resp.BodyStr);