File woocommerce/checkout/fields.php

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<?php

namespace SIW\WooCommerce\Checkout;

/**
 * WooCommerce checkout
 * 
 * @copyright 2019 SIW Internationale Vrijwilligersprojecten
 * @since     3.0.0
 */
class Fields{

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

        add_filter( 'woocommerce_default_address_fields', [ $self , 'set_default_address_fields'], 10, 2 );
        add_filter( 'woocommerce_billing_fields', [ $self, 'set_billing_fields'], 10, 2 );
        add_filter( 'woocommerce_shipping_fields', '__return_empty_array' );
        add_filter( 'woocommerce_checkout_fields', [ $self, 'add_checkout_fields'] );
        add_filter( 'woocommerce_enable_order_notes_field', '__return_false' );
        add_filter( 'woocommerce_get_country_locale', [ $self, 'remove_locale_postcode_priority'] );
        add_filter( 'woocommerce_country_locale_field_selectors', [ $self, 'remove_locale_field_selectors']);
        add_action( 'woocommerce_checkout_create_order', [ $self, 'save_checkout_fields'], 10, 2 );
    }

    /**
     * Verwijdert JS-selectors voor update locale
     *
     * @param array $locale_fields
     * @return array
     */
    public function remove_locale_field_selectors( array $locale_fields ) {
        unset( $locale_fields['address_2'] );
        unset( $locale_fields['state'] );
        return $locale_fields;
    }

    /**
     * Verwijdert aangepaste prioriteit voor postcode
     *
     * @param array $locale
     * @return array
     */
    public function remove_locale_postcode_priority( array $locale ) {
        unset( $locale['NL']['postcode'] );
        return $locale;
    }
    
    /**
     * Haalt checkoutvelden op
     *
     * @param array $checkout_fields
     * @return array
     */
    protected function get_checkout_fields( $checkout_fields = [] ) {
        $checkout_fields = wp_parse_args_recursive( siw_get_data( 'workcamps/checkout-fields' ), $checkout_fields );
        return $checkout_fields;
    }

    /**
     * Slaat de extra checkoutvelden op
     *
     * @param \WC_Order $order
     * @param array $data
     */
    public function save_checkout_fields( \WC_Order $order, array $data ) {
        
        $checkout_fields = $this->get_checkout_fields();

        foreach ( $checkout_fields as $section => $fields ) {
            foreach ( $fields as $key => $field ) {
                if ( isset( $data[ $key ] ) ) {
                    $order->update_meta_data( $key, $data[ $key ] );
                }
            }
        }
        if ( ! empty( $data['terms'] ) ) {
            $order->update_meta_data( '_terms', $data['terms'] );
        }
    }
    
    /**
     * Past de volgorde van de adresvelden aan
     *
     * @param array $address_fields
     * @return array
     */
    public function set_default_address_fields( array $standard_address_fields ) {

        /* Verwijderen standaardvelden */
        unset( $standard_address_fields['address_2'] );
        unset( $standard_address_fields['company'] );
        unset( $standard_address_fields['state'] );

        /* Reset alle classes */
        $standard_address_fields = array_map( function( $field ) {
            unset( $field['class']);
            return $field;
        }, $standard_address_fields);

        $address_fields = siw_get_data( 'workcamps/address-fields' );
        $address_fields = wp_parse_args_recursive( $address_fields, $standard_address_fields );

        return $address_fields;
    }

    /**
     * Zet de classes voor de billing velden
     *
     * @param array $billing_fields
     * @param string $country
     * @return array
     */
    public function set_billing_fields( array $billing_fields, string $country ) {
        $billing_fields['billing_phone']['class'] = ['form-row-first'];
        $billing_fields['billing_email']['class'] = ['form-row-last'];
        return $billing_fields;
    }

    /**
     * Voegt de extra checkoutvelden toe
     *
     * @param array $checkout_fields
     * @return array
     */
    public function add_checkout_fields( $checkout_fields ) {
        $checkout_fields = $this->get_checkout_fields( $checkout_fields );
        return $checkout_fields;
    }
}

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