steam_card_buyer.js

// ==UserScript==
// @name         Steam Card Buyer
// @namespace    http://leakforums.org/
// @version      0.2
// @description  Messy script to buy cards
// @author       You
// @include      http://steamcommunity.com*
// @include      https://steamcommunity.com*
// @match        *://steamcommunity.com/*/gamecards/*
// @grant        none
// @run-at       document-end
// ==/UserScript==


/*
  idfk 
*/


var country = 'NO'
var currency = 9
var price_url = 'http://steamcommunity.com/market/itemordershistogram?country=' + country + '&language=english&currency=' + currency + '&item_nameid='

var price_format = ''

var cards = {}
var current_index = 0;
var next_card = null;

$J.ajaxSetup({
      xhrFields: {
            withCredentials: true
      }
});

/*
if($J('.badge_craft_button').first()[0] !== undefined) {
    $J.each([0,1,2,3,4], function(i, e) {
        $J('.badge_craft_button').click()
    });
}
*/
var $found = $J('.badge_card_to_collect_links > a[href^="http://steamcommunity.com/market/listings/753"]')
$J('.gamecards_inventorylink').append($J('<div class="buy_cards"><span class="wallet"></span><br><span class="found"></span><br><table class="cards"><tr></tr><tr><td align="right"><b>Total:</b></td><td><button class="btn_grey_grey btn_medium" id="plus5" style="padding: 5px;width: 100%">+5</button></td><td class="total"></td></tr><tr></tr><tr><td colspan="3"><button type="button" id="buy_button" class="btn_green_white_innerfade btn_medium_wide" style="padding: 10px 20px;width: 100%">Buy Cards</button></td></table></div>'))

update_currency = function(callback) {
    $J.get('http://steamcommunity.com/market/', function (content) {
        g_rgWalletInfo = JSON.parse(content.split('g_rgWalletInfo = ').pop().split(';').shift().trim());
        
        callback(g_rgWalletInfo)
    })
}

amount_change = function(item_id, price, e) {
      quantity = +($J(e).val())
      cards[+(item_id)].quantity = quantity
      $J('#price_'+item_id).text(format_price(price*quantity))
      calculate_total()
}


handleChange = function(e) {
      quantity = +($J(this).val())
      item_id = +($J(this).attr('item_id'))
      price = +($J(this).attr('price'))
      cards[item_id].quantity = quantity
      $J('#price_'+item_id).text(format_price(price*quantity))
      calculate_total()
}


update_status = function(item_id, status) {
      $J('.status_' + item_id).text(status)
}

check_order = function(co_card) {
      $J.get('/market/getbuyorderstatus/', {sessionid: g_sessionID, buy_orderid: co_card.orderid}, function(json) {
            if(co_card.checks == 0)
                  buy_card()

                  console.log(co_card)

                  co_card.checks++;

            left = co_card.quantity-(+(json.quantity_remaining))

            update_status(co_card.item_id, 'Bought '+ left +'/'+ co_card.quantity)

            if (left == co_card.quantity) {
                  $J('.status_' + co_card.item_id).parent().css('color', '#19D319')
                  return
            } else {
                  console.log('wait')
                  co_card.checks++;

                  if(co_card.checks >= 50) {
                        update_status(co_card.item_id, 'Waited for too long');
                        return;
                  }
            }

            setTimeout(function() {
                  check_order(co_card);
            }, 500);
      })

}

buy_card = function() {
      setTimeout(function() {
            for (card in cards) break;

            console.log(card)

            card = cards[card]
            console.log(card)
            if(!card) {
                  return
            } 

            delete cards[card.item_id]

            if(card.status != 0) {
                  console.log('Tried to buy', card.name, 'twice')
                  return
            }

            if(card.quantity == 0)
                  return

                  card.status = 1

                  update_status(card.item_id, 'Buying Card')

                  $J.post('https://steamcommunity.com/market/createbuyorder/', {sessionid: g_sessionID, currency: currency, appid: 753, market_hash_name: card.hash_name, price_total: card.price*card.quantity, quantity: card.quantity}, function(json) {
                        if(!json.success) {
                              update_status(card.item_id, 'Failed to buy card')
                              console.log(json)
                              return;
                        }

                        card.orderid = json.buy_orderid;

                        update_status(card.item_id, 'Waiting...')
                        check_order(card)
                  });
      }, 300);
}


calculate_total = function() {
      total = 0

      $J.each(cards, function(i, e) {
            total += e.price * e.quantity
      })

      $J('.total').text(format_price(total))
}

format_price = function(price) {
      return price_format.replace('{}', ((price) / 100).toFixed(2))
}

append_to_table = function(item_id) {
      if(cards[item_id] === undefined) {
            console.log('Bad build_form item_id =', item_id)
            return;
      }

      card = cards[item_id]

      $J('.cards').prepend($J('<tr>\
<td align="right">' + card.name + '</td><td>\
<input style="padding: 0;width: 28px;text-align: center;" class="card_amount btn_grey_grey btn_medium" id="amount_'+item_id+'" value="1" min="0" max="5" item_id="'+item_id+'" price="'+card.price+'" />\
<td id="price_'+item_id+'">'+format_price(card.price)+'</td><td class="status_'+item_id+'"></td></tr>'))
      $J('.card_amount').on('change', handleChange);
      calculate_total()
}

fetch_item_price = function(item_id) {
      $J.get(price_url + item_id, function(json) {

            if(json.success != 1) {
                  console.log('was not a success at fetch_item_price =', item_id)
                  return false
            }

            price = +(json.lowest_sell_order)

            if(price < 5) {
                  console.log('price was lower than 0.005? at fetch_item_price =', item_id, 'price =', price)
                  return false
            }

            price += 10

            price_format = json.price_prefix + '{}' + json.price_suffix

            cards[item_id].price = price

            append_to_table(item_id)
      }).fail(function() {
            console.log('error fetch_item_price =', item_id)
            alert('error')
            return false
      })
}


is_already_buying = function(data) {
      return data.indexOf('CancelMarketBuyOrder') != -1
}

fetch_item = function(url) {
      $J.get(url, function(data) {

            if(is_already_buying(data)) {
                  console.log('already buying url =', url)
                  return false
            }

            item_id = +(data.split('Market_LoadOrderSpread( ').pop().split(' );').shift())
            hash_name = data.split('"market_hash_name":"').pop().split('",').shift()
            name = data.split('market_listing_item_name" style="">').pop().split('</').shift()

            cards[item_id] = {'url': url, 'price': false, 'name': name,'hash_name': hash_name, 'quantity': 1, 'item_id': item_id, 'status': 0, 'orderid': -1, 'checks': 0, 'bought': 0}
            $J('.found').text('Fetched: '+Object.keys(cards).length+'/' + $found.length)
            fetch_item_price(item_id)

      }).fail(function() {
            //alert('error on fetch_item url = ' + url)
      })
}

$J('#buy_button').click(function() {
      $J(this).hide()

      buy_card()
})

$J('#plus5').click(function() {
      $J('.card_amount').val(5).change()
})

update_currency(function(c) {
    currency = c['wallet_currency'];
    country = c['wallet_country'];
    
    $J('.wallet').text('Wallet Balance: ' + +(c['wallet_balance']) / 100)

    $J('.found').text('Fetched: 0/' + $found.length)

    $J.each($found, function(i, e) {
        fetch_item($J(e).attr('href'))
    })
})