Farmi Rechner

var FarmiRechner = {
  prices: {
    'Blumenkohl': 3.69,
    'Eier': 41,
    'Erdbeeren': 1.45,
    'Futterrüben': 4,
    'Geranien': 10.99,
    'Getreide': 0.54,
    'Gurken': 0.51,
    'Gänseblümchen': 4,
    'Karotten': 0.18,
    'Klee': 1.42,
    'Kräuter': 9.08,
    'Mais': 1.22,
    'Milch': 150,
    'Radieschen': 1.1,
    'Raps': 2.89,
    'Spinat': 3.99,
    'Tomaten': 2.19,
    'Wolle': 50.79,
    'Ziegenmilch': 249.48,
    'Zwiebeln': 2.5,
  },
  productIds: [1,2,3,4,5,6,9,10,11,17,18,19,20,21,22,23,24,108],
  priceUpdate: 0,
  updateMarket: function () {
    setTimeout(function () {
      if (FarmiRechner.priceUpdate < FarmiRechner.productIds.length) {
        market_navi = 1;
        market_filter_pid = FarmiRechner.productIds[FarmiRechner.priceUpdate];
        filterMarket();
        setTimeout(function() {
          if ( document.getElementById('marktoffers_rows').childNodes[0].innerHTML != 'Keine Angebote gefunden' ) {
            var text = document.getElementById('marktoffers_rows').childNodes[0].getElementsByClassName('market_price')[0].innerHTML;
            var price = FarmiRechner.round(text.substr(0, text.indexOf(' kT')).replace(',','.'));
            if ( FarmiRechner.prices[document.getElementById('marktoffers_rows').childNodes[0].childNodes[3].innerHTML] != price ) {
              console.log(document.getElementById('marktoffers_rows').childNodes[0].childNodes[3].innerHTML + '\t', price);
              FarmiRechner.prices[document.getElementById('marktoffers_rows').childNodes[0].childNodes[3].innerHTML] = price;
            }
          }
          FarmiRechner.priceUpdate ++;
          FarmiRechner.updateMarket();
        },500);
      } else {
        console.log('Preisliste:', FarmiRechner.prices)
      }
    }, 1000);
  },
  round: function (value, decimal) {
    decimal = decimal || 2;
    return Math.round(value * Math.pow(10, decimal)) / Math.pow(10, decimal);
  }
}
setInterval(function () {
  var elements = document.getElementsByClassName('cartinner_productinfo');
  if (elements.length > 0) {
    var marketprice = 0;
    for (var i = 0; i < elements.length; i++) {
      var text = elements[i].innerHTML;
      var produkt = text.substr(text.indexOf(' ')).trim();
      var price = parseFloat(FarmiRechner.prices[produkt]);
      var count = parseInt(text.substr(0, text.indexOf('x')));
      marketprice += price * count;
    }
    var text = document.getElementsByClassName('farmcartsumamount') [0].innerHTML;
    var farmipreis = FarmiRechner.round(parseFloat(text.substr(6, text.length - 9).replace(',', '.')));
    marketprice = FarmiRechner.round(marketprice);
    if (farmipreis < marketprice) {
      document.getElementById('cartsubmit').childNodes[1].innerHTML = '<font color="red">Dieser Farmi will ' + FarmiRechner.round(marketprice - farmipreis) + ' kT zu wenig.</font>'
    } else {
      document.getElementById('cartsubmit').childNodes[1].innerHTML = '<font color="green">Du machst mit diesem Farmi ' + FarmiRechner.round(farmipreis - marketprice) + ' kT gewinn.</font>'
    }
  }
}, 1500);

/*
var para = document.createElement('p');
var para1 = document.createElement('a');
para1.innerHTML = 'Preise aktualisieren';
para1.onclick = function() {
  showMarketCategory();
  setMarketNavi(5);
  clearMarketFilter();
  FarmiRechner.priceUpdate = 0;
  FarmiRechner.updateMarket();
}
para.appendChild(para1);
document.getElementById('marketoffers').appendChild(para);
*/