woothemes / sensei

     *

     * @return mixed $user_data_value

     */

    public static function get_user_data( $data_key, $post_id, $user_id = 0  ){

        $user_data_value = true;

        if( ! ( $user_id > 0 ) ){

            $user_id = get_current_user_id();

        }

        $supported_post_types = array( 'course', 'lesson' );

        $post_type = get_post_type( $post_id );

        if( empty( $post_id ) || empty( $data_key )

            || ! ( intval( $post_id ) > 0 ) || ! ( intval( $user_id ) > 0 )

            || ! get_userdata( $user_id )

            || !in_array( $post_type, $supported_post_types )  ){

            return false;

        }

        // check if there and existing Sensei status on this post type if not create it

        // and get the  activity ID

        $status_function = 'user_'.$post_type.'_status';

        $sensei_user_status = self::$status_function( $post_id ,$user_id  );

        if( ! isset( $sensei_user_status->comment_ID ) ){

            return false;

        }

        $sensei_user_activity_id = $sensei_user_status->comment_ID;

        $user_data_value = get_comment_meta( $sensei_user_activity_id , $data_key, true );

        return $user_data_value;

    }// end get_user_data

    /**

     * Delete the Sensei user data for the given key, Sensei post type and user combination.

     *

     * @return bool $deleted

     */

    public static function delete_user_data( $data_key, $post_id , $user_id ){

        $deleted = true;

        if( ! ( $user_id > 0 ) ){

            $user_id = get_current_user_id();

        }

        $supported_post_types = array( 'course', 'lesson' );

        $post_type = get_post_type( $post_id );

        if( empty( $post_id ) || empty( $data_key )

            || ! is_int( $post_id ) || ! ( intval( $post_id ) > 0 ) || ! ( intval( $user_id ) > 0 )

            || ! get_userdata( $user_id )

            || !in_array( $post_type, $supported_post_types )  ){

            return false;

        }

        // check if there and existing Sensei status on this post type if not create it

        // and get the  activity ID

        $status_function = 'user_'.$post_type.'_status';

        $sensei_user_status = self::$status_function( $post_id ,$user_id  );

        if( ! isset( $sensei_user_status->comment_ID ) ){

            return false;

        }

        $sensei_user_activity_id = $sensei_user_status->comment_ID;

        $deleted = delete_comment_meta( $sensei_user_activity_id , $data_key );

        return $deleted;

    }// end delete_user_data

    /**