Merge pull request #77 from pagarme/feature/PAOP-434-implement-change…

…s-to-recurrence-order-description

🐛 added string verification at product helper

Helper/ProductHelper.php

@@ -80,7 +80,7 @@ public static function getDiscountAmount($product)
      */
     public static function extractValueFromTitle($title)
     {
-        return (float)preg_replace('/[^0-9,]/', '', $title);
+        return (float)preg_replace('/[^0-9,]/', '', ProductHelper::getStringBetween($title, '(', ')'));
     }
 
     /**
@@ -104,6 +104,22 @@ public static function convertDecimalMoney($amount)
         return $amount;
     }
 
+    /**
+     * @param string $str
+     * @param string $starting_word
+     * @param string $ending_word
+     * @return string
+     */
+    public static function getStringBetween($str, $first_string, $second_string)
+    {
+        $arr = explode($first_string, $str);
+        if (isset($arr[1])) {
+            $arr = explode($second_string, $arr[1]);
+            return $arr[0];
+        }
+        return '';
+    }
+
     /**
      * @param int $number
      * @return float