postToMerchant method

Future<MerchantResponseModel?> postToMerchant(RequestModel requestModel, String tokenId, dynamic context)

Implementation

Future<MerchantResponseModel?> postToMerchant(
    RequestModel requestModel, String tokenId, context) async {
  try {
    String authToken =
        "Basic ${base64.encode(utf8.encode("${requestModel.user.toString()}:${requestModel.password.toString()}"))}";

    //Setup post data
    Map<String, String> data = new Map();
    data["TokenId"] = tokenId.toString();
    data["Amount"] = requestModel.amount.toString();
    data["ReferenceId"] = requestModel.refId.toString();
    data["MerchantCode"] = requestModel.merchantCode.toString();

    //Setup headers data
    Map<String, String> headers = new Map();
    headers["Authorization"] = authToken;
    headers["Module"] = requestModel.module.toString();
    headers["Content-Type"] = "application/json;charset=UTF-8";
    var response = await http.post(Uri.parse(requestModel.merchantUrl ?? ""),
        body: jsonEncode(data), headers: headers);

    if (response.statusCode == 401) {
      Utils.showSnackbar(context, "Unauthorized");
      return null;
    } else if (response.body == null) {
      Utils.showSnackbar(context, "Something Went Wrong");
      return null;
    } else {
      MerchantResponseModel model =
          MerchantResponseModel.fromJson(json.decode(response.body));
      return model;
    }
  } catch (ex) {
    Utils.showSnackbar(context, "Something Went Wrong");
  }
}