eventespresso / event-espresso-core

     * @throws InvalidInterfaceException

     * @throws ReflectionException

     */

    public function increaseSold($qty = 1)

    {

        $qty = absint($qty);

        // increment sold and decrement reserved datetime quantities simultaneously

        // don't worry about failures, because they must have already had a spot reserved

        $this->increaseSoldForDatetimes($qty);

        // Increment and decrement ticket quantities simultaneously

        $success = $this->adjustNumericFieldsInDb(

            [

                'TKT_reserved' => $qty * -1,

                'TKT_sold' => $qty

            ]

        );

        do_action(

            'AHEE__EE_Ticket__increase_sold',

            $this,

            $qty,

            $this->sold(),

            $success

        );

        return $success;

    }

    /**

     * On each datetime related to this ticket, increases its sold count and decreases its reserved count by $qty.

     * @throws InvalidInterfaceException

     * @throws ReflectionException

     */

    public function decreaseSold($qty = 1)

    {

        $qty = absint($qty);

        $this->decreaseSoldForDatetimes($qty);

        $success = $this->adjustNumericFieldsInDb(

            [

                'TKT_sold' => $qty * -1

            ]

        );

        do_action(

            'AHEE__EE_Ticket__decrease_sold',

            $this,

            $qty,

            $this->sold(),

            $success

        );

        return $success;

    }

    /**