File woocommerce/admin/coupon.php

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<?php

namespace SIW\WooCommerce\Admin;

use SIW\Properties;

/**
 * Creëert kortingscode
 *
 * @copyright 2019 SIW Internationale Vrijwilligersprojecten
 * @since     3.0.0
 * 
 * @todo hoort dit wel bij admin en niet bij order?s
 */
class Coupon {

    /**
     * Type korting
     */
    const DISCOUNT_TYPE = 'percent';

    /**
     * Init
     */
    public static function init() {
        $self = new self();
        add_filter( 'woocommerce_order_actions', [ $self, 'add_order_action'] );
        add_action( 'woocommerce_order_action_siw_create_coupon', [ $self, 'create_coupon'] );//TODO::
        add_action( 'woocommerce_order_status_completed', [ $self, 'create_coupon'] );
    }
    /**
     * Voeg orderactie voor creëren kortingscode toe
     *
     * @param array $actions
     * @return array
     */
    public function add_order_action( array $actions ) {
        global $theorder;
        if ( $theorder->is_paid() && empty( wc_get_coupon_id_by_code( $theorder->get_order_number() ) ) ) {
            $actions['siw_create_coupon'] = __( 'Creëer kortingscode', 'siw' );
        }
        return $actions;
    }

    /**
     * Maakt kortingscode aan
     *
     * @param int|\WC_Order $order_id
     * 
     * @todo return statement?
     */
    function create_coupon( $order ) {

        if ( is_int( $order ) ) {
            $order = new \WC_Order( $order );
        }

        if ( ! is_a( $order, '\WC_Order' ) ) {
            return;
        }

        $application_number = $order->get_order_number();

        //Check of er al een kortingscode voor deze aanmelding bestaat TODO: eventueel kortingscode bijwerken
        if ( 0 !== wc_get_coupon_id_by_code( $application_number ) ) {
            return;
        }

        $coupon = new \WC_Coupon();
        $coupon->set_props( [
            'code'               => $application_number,
            'discount_type'      => self::DISCOUNT_TYPE,
            'email_restrictions' => $order->get_billing_email(),
            'amount'             => empty( $order->get_coupon_codes() ) ? Properties::DISCOUNT_SECOND_PROJECT : Properties::DISCOUNT_THIRD_PROJECT,
            'description'        => $order->get_formatted_billing_full_name(),
            'date_expires'       => '',
            'usage_limit'        => 1,
        ]);
        $coupon->save();
        $order->add_order_note( 'Kortingscode aangemaakt' );
    }
}

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