chamilo / chamilo-lms

			$session_condition = '(session_id = 0 OR session_id IS NULL)';

		}

		if (!isset($this->exercise_data)) {

			$sql = 'SELECT * FROM '.$this->get_forum_thread_table().'

                    WHERE c_id = '.$this->course_id.' AND  thread_id = '.$this->get_ref_id().' AND '.$session_condition;

			$query = Database::query($sql);

			$this->exercise_data = Database::fetch_array($query);

		}

		return $this->exercise_data;

	}

	 */

	private function get_learnpath_data()

	{

		if (!isset($this->learnpath_data)) {

			$sql = 'SELECT * FROM '.$this->get_learnpath_table().'

                    WHERE c_id = '.$this->course_id.' AND id = '.$this->get_ref_id().' ';

			$result = Database::query($sql);

			$this->learnpath_data = Database::fetch_array($result);

		}

		return $this->learnpath_data;

	}

            $this->exercise_data = Database::fetch_array($query);

            // Try with iid

            if (empty($this->exercise_data)) {

                $sql = 'SELECT * FROM '.$this->get_studpub_table()."

                        WHERE

                            c_id ='".$course_info['real_id']."' AND

                            iid = '".$this->get_ref_id()."' ";

			    $query = Database::query($sql);

			    $this->exercise_data = Database::fetch_array($query);

		    }

        }

		return $this->exercise_data;

	}