/**
  * Saves the pool to the database.
  *
  * @param \MusicBox\Entity\Like $pool
  */
 public function save($pool)
 {
     $poolData = array('address_id' => $pool->getAddress()->getId(), 'access_info' => $pool->getAccessInfo());
     if ($pool->getId()) {
         $this->db->update('pools', $poolData, array('pool_id' => $pool->getId()));
         $newFile = $this->handleFileUpload($item);
         if ($newFile) {
             $poolData['image'] = $pool->getImage();
         }
     } else {
         // The pool is new, note the creation timestamp.
         $poolData['created_at'] = time();
         $this->db->insert('pools', $poolData);
         // Get the id of the newly created pool and set it on the entity.
         $id = $this->db->lastInsertId();
         $pool->setId($id);
         // If a new image was uploaded, update the pool with the new
         // filename.
         $newFile = $this->handleFileUpload($pool);
         if ($newFile) {
             $newData = array('image' => $pool->getImage());
             $this->db->update('pools', $newData, array('pool_id' => $id));
         }
     }
 }