eventespresso / event-espresso-core

     * @throws InvalidInterfaceException

     * @throws ReflectionException

     */

    public function reserve_ticket($update_ticket = false, $source = 'unknown')

    {

        // only reserve ticket if space is not currently reserved

        if ((bool) $this->get_extra_meta(EE_Registration::HAS_RESERVED_TICKET_KEY, true) !== true) {

            $this->update_extra_meta('reserve_ticket', "{$this->ticket_ID()} from {$source}");

            // IMPORTANT !!!

            // although checking $update_ticket first would be more efficient,

            // we NEED to ALWAYS call update_extra_meta(), which is why that is done first

            if ($this->update_extra_meta(EE_Registration::HAS_RESERVED_TICKET_KEY, true)

                && $update_ticket

            ) {

                $ticket = $this->ticket();

                $ticket->increaseReserved(1, "REG: {$this->ID()} (ln:" . __LINE__ . ')');

                $ticket->save();

            }

        }

    }

    /**

     * @throws InvalidInterfaceException

     * @throws ReflectionException

     */

    public function release_reserved_ticket($update_ticket = false, $source = 'unknown')

    {

        // only release ticket if space is currently reserved

        if ((bool) $this->get_extra_meta(EE_Registration::HAS_RESERVED_TICKET_KEY, true) === true) {

            $this->update_extra_meta('release_reserved_ticket', "{$this->ticket_ID()} from {$source}");

            // IMPORTANT !!!

            // although checking $update_ticket first would be more efficient,

            // we NEED to ALWAYS call update_extra_meta(), which is why that is done first

            if ($this->update_extra_meta(EE_Registration::HAS_RESERVED_TICKET_KEY, false)

                && $update_ticket

            ) {

                $ticket = $this->ticket();

                $ticket->decreaseReserved(1, true, "REG: {$this->ID()} (ln:" . __LINE__ . ')');

            }

        }

    }

    /**