gistfile1.c

r.exists(key, function(err, obj) {
  var total;
  if (obj !== 1) return;
  total = 0;
  r.llen(key, function(err, obj) {
    return total = parseInt(obj);
  });
  return r.lrange(key, 1, -1, function(err, checks) {
    var check, good, _fn, _i, _len;
    good = 0;
    _fn = function(check) {
      var data;
      data = JSON.parse(check);
      if (data.result === true) return good = good + 1;
    };
    for (_i = 0, _len = checks.length; _i < _len; _i++) {
      check = checks[_i];
      _fn(check);
    }
    server.percentage = (good / total * 100) / 100;
    if (new Date(server.created_at).getTime() > new Date().getTime() - 604800) {
      rank = rank - 1;
    }
    rank = rank * server.percentage;
    if (server.votes > 0) rank = rank + (server.votes * 0.015);
    if (server.premium) rank = rank * 1.1;