postRequest function

Future<String?> postRequest(Uri url, { Object? body, Map<String, String> headers = const {}, bool debug = false, ProxyAPIConfig? proxyAPIConfig, })

POST request to fetch data from URL

Implementation

Future<String?> postRequest(
  Uri url, {
  Object? body,
  Map<String, String> headers = const {},
  bool debug = false,
  ProxyAPIConfig? proxyAPIConfig,
}) async {
  printLog("HTTP POST URL: $url", debug, color: LogColor.magenta);
  if (proxyAPIConfig != null) {
    printLog("Prepending proxy URL...", debug, color: LogColor.yellow);
    url = proxyAPIConfig.generateUrl(url);
  }

  printLog("HTTP Parser Headers: $headers", debug, color: LogColor.magenta);
  printLog("HTTP Parser Payload: $body", debug, color: LogColor.magenta);
  try {
    var html = await http
        .post(
          url,
          body: body,
          headers: headers,
        )
        .timeout(
          Duration(seconds: 30),
        );
    printLog(
      "HTTP Response: ${html.statusCode}",
      debug,
      color: LogColor.magenta,
    );
    throwIfNotFound(html.statusCode, url, debug);
    String responseBody = utf8.decode(html.bodyBytes);
    dumpResponseToFile(html: responseBody, debug: debug);
    return responseBody;
  } on WebScraperError {
    rethrow;
  } catch (e) {
    printLog(e.toString(), debug, color: LogColor.red);
    return null;
  }
}