Check for cached resource item exists
        :param path: str
        :return: bool

def check_cached_item(self, path):
        """
        Check for cached resource item exists
        :param path: str
        :return: bool
        """
        item_path = '%s/%s' % (
                self.cache_folder,
                path.strip('/')
            )

        if self.blob_service.exists(self.container_name, item_path):
            return self._generate_url(item_path)
        else:
            return False