getPreferenceId function

Future<String?> getPreferenceId(double amount, String desc, BuildContext context, String _accessToken,)

Implementation

Future<String?> getPreferenceId(double amount, String desc, BuildContext context, String _accessToken) async {
  var code = appSettings.code;
  String returnURL = "";
  String cancelURL = '';
  returnURL = currentBase + "mercadopago_success?booking=$cartLastAddedId";
  cancelURL = currentBase + "mercadopago_cancel?booking=$cartLastAddedId";

  var response = await http.post(
      Uri.parse("https://api.mercadopago.com/checkout/preferences"),
      body: convert.jsonEncode({
        "items": [
          {
            "title": desc,
            "description": "",
            "picture_url": "http://www.myapp.com/myimage.jpg",
            "category_id": "cat123",
            "quantity": 1,
            "currency_id": code, // "BRL",
            // "currency_id": "BRL",
            "unit_price": amount
          }
        ],
        "payer": {
          "phone": {},
          "identification": {},
          "address": {}
        },
        "payment_methods": {
          "excluded_payment_methods": [
            {}
          ],
          "excluded_payment_types": [
            {}
          ]
        },
        "shipments": {
          "free_methods": [
            {}
          ],
          "receiver_address": {}
        },
        "back_urls": {
          "success": returnURL,
          "failure": cancelURL,
          "pending": returnURL
        },
        "differential_pricing": {},
        // "tracks": [
        //   {
        //   "type": "google_ad"
        //   }
        // ]
      }),
      headers: {
        "content-type": "application/json",
        'Authorization': 'Bearer ' + _accessToken // Access Token
      });

  final body = convert.jsonDecode(response.body);
  if (response.statusCode == 201) {
    return body["id"];
  } else
    messageError(context, body["message"]);

  return null;
}