printStats function

void printStats(CrawlResult result, int broken, int withWarning, int withInfo, int withRedirect, bool showRedirects, bool ansiTerm, Stdout stdout,)

Implementation

void printStats(CrawlResult result, int broken, int withWarning, int withInfo,
    int withRedirect, bool showRedirects, bool ansiTerm, Stdout stdout) {
  // Redirect printing for better testing.
  void print(Object object) => stdout.writeln(object);

  final links = result.links;
  final count = result.destinations.length;
  final ignored = result.destinations
      .where((destination) =>
          destination.wasDeniedByRobotsTxt ||
          destination.isUnsupportedScheme ||
          (destination.isExternal && !destination.wasTried))
      .length;
  final leftUntried =
      result.destinations.where((destination) => !destination.wasTried).length;
  final checked = count - leftUntried;

  if (ansiTerm) {
    Console.write('\r');
    Console.eraseLine(3);
    final pen = TextPen();
    if (links.isEmpty) {
      var wasLocalhost = false;
      if (result.destinations.isNotEmpty &&
          !result.destinations.first.isInvalid &&
          result.destinations.first.uri.host == 'localhost') {
        wasLocalhost = true;
      }
      pen
          .red()
          .text('Error. ')
          .normal()
          .text("Couldn't connect or find any links.")
          .text(wasLocalhost ? ' Have you started the server?' : '')
          .print();
    } else if (broken == 0 && withWarning == 0 && withInfo == 0) {
      pen
          .green()
          .text('Perfect. ')
          .normal()
          .text('Checked ${links.length} links, $checked destination URLs')
          .lightGray()
          .text(ignored > 0 ? ' ($ignored ignored)' : '')
          .normal()
          .text(showRedirects && withRedirect > 0
              ? withRedirect == 1
                  ? ', 1 has redirect(s)'
                  : ', $withRedirect have redirect(s)'
              : '')
          .text('.')
          .print();
    } else if (broken == 0 && withWarning == 0) {
      pen
          .cyan()
          .text('Info. ')
          .normal()
          .text('Checked ${links.length} links, $checked destination URLs')
          .lightGray()
          .text(ignored > 0 ? ' ($ignored ignored)' : '')
          .normal()
          .text(', ')
          .text(showRedirects && withRedirect > 0
              ? withRedirect == 1
                  ? '1 has redirect(s), '
                  : '$withRedirect have redirect(s), '
              : '')
          .text('0 have warnings or errors')
          .text(withInfo > 0 ? ', $withInfo have info' : '')
          .text('.')
          .print();
    } else if (broken == 0) {
      pen
          .yellow()
          .text('Warnings. ')
          .normal()
          .text('Checked ${links.length} links, $checked destination URLs')
          .lightGray()
          .text(ignored > 0 ? ' ($ignored ignored)' : '')
          .normal()
          .text(', ')
          .text(showRedirects && withRedirect > 0
              ? withRedirect == 1
                  ? '1 has redirect(s), '
                  : '$withRedirect have redirect(s), '
              : '')
          .text(withWarning == 1
              ? '1 has a warning'
              : '$withWarning have warnings')
          .text(withInfo > 0 ? ', $withInfo have info' : '')
          .text('.')
          .print();
    } else {
      pen
          .red()
          .text('Errors. ')
          .normal()
          .text('Checked ${links.length} links, $checked destination URLs')
          .lightGray()
          .text(ignored > 0 ? ' ($ignored ignored)' : '')
          .normal()
          .text(', ')
          .text(showRedirects && withRedirect > 0
              ? withRedirect == 1
                  ? '1 has redirect(s), '
                  : '$withRedirect have redirect(s), '
              : '')
          .text(broken == 1 ? '1 has error(s), ' : '$broken have errors, ')
          .text(withWarning == 1
              ? '1 has warning(s)'
              : '$withWarning have warnings')
          .text(withInfo > 0 ? ', $withInfo have info' : '')
          .text('.')
          .print();
    }
  } else {
    print('\nStats:');
    print('${links.length.toString().padLeft(8)} links');
    if (showRedirects) {
      print('${withRedirect.toString().padLeft(8)} redirects');
    }
    print('${checked.toString().padLeft(8)} destination URLs');
    print('${ignored.toString().padLeft(8)} URLs ignored');
    print('${withWarning.toString().padLeft(8)} warnings');
    print('${broken.toString().padLeft(8)} errors');
  }
}