File woocommerce/frontend/product.php

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<?php

namespace SIW\WooCommerce\Frontend;

use SIW\WooCommerce\Import\Product as Import_Product;
use SIW\WooCommerce\Frontend\Product_Tabs;

/**
 * Aanpassingen aan Groepsproject
 *
 * @copyright 2019 SIW Internationale Vrijwilligersprojecten
 * @since     3.0.0
 * 
 * @uses      siw_get_currency()
 */
class Product {

    /**
     * Init
     */
    public static function init() {
        $self = new self();

        Product_Tabs::init();

        add_filter( 'woocommerce_is_purchasable', [ $self, 'set_product_is_purchasable'], 10, 2 );
        add_filter( 'woocommerce_available_variation', [ $self, 'set_variation_description'] );
        add_filter( 'woocommerce_sale_flash', [ $self, 'set_sales_flash_text' ] );
        add_filter( 'woocommerce_product_get_attributes', [ $self, 'order_product_attributes'] );
        add_filter( 'woocommerce_related_products_args', [ $self, 'set_related_products_number'], PHP_INT_MAX );
        add_action( 'woocommerce_after_add_to_cart_form', [ $self, 'show_local_fee'] );

        /**
         * Verwijderen diverse woocommerce-hooks
         * - "Reset variations"-link
         * - Prijsrange
         * - Trailing zeroes
         * - Redundante headers in tabs
         * - Meta-informatie (tags, categorie, SKU)
         * Altijd prijs van variatie tonen
         */
        add_filter( 'woocommerce_reset_variations_link', '__return_false' );
        add_filter( 'woocommerce_price_trim_zeros', '__return_true' );
        add_filter( 'woocommerce_product_description_heading', '__return_false' );
        add_filter( 'woocommerce_product_additional_information_heading', '__return_false' );
        remove_action( 'woocommerce_single_product_summary', 'woocommerce_template_single_price', 10 );
        remove_action( 'woocommerce_single_product_summary', 'woocommerce_template_single_meta', 40 );
        remove_action( 'woocommerce_before_single_product_summary', 'woocommerce_show_product_sale_flash', 10 );
        add_filter( 'woocommerce_show_variation_price', '__return_true' );
    }

    /**
     * Bepaalt of product bestelbaar is
     *
     * @param bool $is_purchasable
     * @param \WC_Product $product
     * @return bool
     */
    public function set_product_is_purchasable( bool $is_purchasable, \WC_Product $product )  {
        $is_purchasable = $product->is_visible();
        $status = $product->get_status();

        if ( ! $is_purchasable || Import_Product::REVIEW_STATUS == $status ) {
            
            remove_action( 'woocommerce_single_variation', 'kt_woocommerce_single_variation', 10 ); //TODO: kan weg na switch theme
            remove_action( 'woocommerce_single_variation', 'kt_woocommerce_single_variation_add_to_cart_button', 20 );
            
            remove_action( 'woocommerce_single_variation', 'woocommerce_single_variation', 10 );
            remove_action( 'woocommerce_single_variation', 'woocommerce_single_variation_add_to_cart_button', 20 );
            add_filter( 'woocommerce_variation_is_visible', '__return_false');
        }
        return $is_purchasable;
    }

    /**
     * Zet de toelichting voor het studententarief
     *
     * @param array $variations
     * @return array
     */
    public function set_variation_description( $variations ) {
        if ( 'student' == $variations['attributes']['attribute_pa_tarief'] ) {
            $variations['variation_description'] =  __( 'Je komt in aanmerking voor het studententarief als je 17 jaar of jonger bent of als je een bewijs van inschrijving kunt laten zien.', 'siw' );
        }
        return $variations;
    }

    /**
     * Zet de aanbiedingstekst
     *
     * @return string
     */
    public function set_sales_flash_text() {
        return '<span class="onsale">' . __( 'Korting', 'siw' ) . '</span>';
    }

    /**
     * Sorteert de attributes
     *
     * @param array $attributes
     * @return array
     */
    public function order_product_attributes( $attributes ) {
        $order = [
            'projectnaam',
            'projectcode',
            'pa_land',
            'pa_soort-werk',
            'startdatum',
            'einddatum',
            'aantal-vrijwilligers',
            'leeftijd',
            'lokale-bijdrage',
            'pa_taal',
            'pa_doelgroep',
        ];
        uksort( $attributes, function( $key1, $key2 ) use ( $order ) {
            return ( array_search( $key1, $order ) > array_search( $key2, $order ) );
        } );
        return $attributes;
    }
    
    /**
     * Zet het aantal related products op 4
     *
     * @param array $args
     * @return array
     */
    public function set_related_products_number( $args ) {
        $args['posts_per_page'] = 4;
        return $args;
    }

    /**
     * Toont lokale bijdrage indien van toepassing
     */
    public function show_local_fee() {
        global $product;
        $participation_fee = $product->get_meta( 'participation_fee' );
        $participation_fee_currency = $product->get_meta( 'participation_fee_currency' );

        if ( ! empty( $participation_fee_currency ) && $participation_fee > 0 ) {
            $currency = siw_get_currency( $participation_fee_currency );
            $symbol = $participation_fee_currency;
            if ( false !== $currency ) {
                $symbol = $currency->get_symbol();
                if ( 'EUR' != $participation_fee_currency ) {
                    $amount_in_euro = $currency->convert_to_euro( $participation_fee );
                }

            }
            ?>
            <div class="local-fee">
                <?php printf( esc_html__( 'Let op: naast het inschrijfgeld betaal je ter plekke nog een lokale bijdrage van %s %s.', 'siw' ), $symbol, $participation_fee );?>
                <?php if ( isset( $amount_in_euro ) ):?>
                    &nbsp;<?php printf ( esc_html__( '(Ca. &euro; %s)', 'siw' ), $amount_in_euro ); ?>
                <?php endif ?>
            </div>
            <?php
        }
    }
}

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