static function getUrlForItemObj($item)
 {
     $item = (array) $item;
     $listing_url = 'http://www.amazon.com/dp/' . $item['asin'] . '/';
     // default to US
     if ($item['account_id']) {
         $account = WPLA_AmazonAccount::getAccount($item['account_id']);
         $market = $account ? WPLA_AmazonMarket::getMarket($account->market_id) : false;
         $listing_url = $market ? 'http://www.' . $market->url . '/dp/' . $item['asin'] . '/' : $listing_url;
     }
     return $listing_url;
 }
 function getMarket()
 {
     return WPLA_AmazonMarket::getMarket($this->market_id);
 }