/**
  * Convert the course info to array with necessary course data for save item
  * @param \Chamilo\CoreBundle\Entity\Course $course
  * @param array $defaultCurrency Optional. Currency data
  * @return array
  */
 public function getCourseForConfiguration(\Chamilo\CoreBundle\Entity\Course $course, $defaultCurrency = null)
 {
     $courseItem = ['item_id' => null, 'course_id' => $course->getId(), 'course_visual_code' => $course->getVisualCode(), 'course_code' => $course->getCode(), 'course_title' => $course->getTitle(), 'course_visibility' => $course->getVisibility(), 'visible' => false, 'currency' => empty($defaultCurrency) ? null : $defaultCurrency['iso_code'], 'price' => 0.0];
     $item = $this->getItemByProduct($course->getId(), self::PRODUCT_TYPE_COURSE);
     if ($item !== false) {
         $courseItem['item_id'] = $item['id'];
         $courseItem['visible'] = true;
         $courseItem['currency'] = $item['iso_code'];
         $courseItem['price'] = $item['price'];
     }
     return $courseItem;
 }