generatePaymentLink method

Implementation

Future<Map> generatePaymentLink({
  required double amount,
  required String successUrl,
  required String cancelUrl,
  required String errorUrl,
  required String notifyUrl,
}) async {
  if (_apiKey.isEmpty || _siteCode.isEmpty || _privateKey.isEmpty) {
    return {
      'errorMessage':
          "Please call init and pass in the correct API, Private key and Site Code"
    };
  } else {
    var ref = _generateRandomString(6);

    var value = await generateRequestHash(
      amountP: amount,
      cancelUrlP: cancelUrl,
      successUrlP: successUrl,
      errorUrlP: errorUrl,
      notifyUrlP: notifyUrl,
      ref: ref,
    );

    var response =
        await http.post(Uri.parse("https://api.ozow.com/postpaymentrequest"),
            headers: {
              'Content-Type': 'application/json',
              'ApiKey': _apiKey,
              'Accept': "application/json",
            },
            body: jsonEncode({
              'countryCode': 'ZA',
              'amount': amount,
              'transactionReference': ref,
              'bankReference': ref,
              'cancelUrl': cancelUrl,
              'currencyCode': 'ZAR',
              'errorUrl': errorUrl,
              'isTest': _isTest,
              'notifyUrl': notifyUrl,
              'siteCode': _siteCode,
              'successUrl': successUrl,
              'hashCheck': value
            }));

    if (response.statusCode == 200) {
      Map map = await jsonDecode(response.body) as Map;
      return map;
    } else {
      return {
        "code": response.statusCode,
        "message": response.body,
      };
    }
  }
}