File widgets/quick-search-form/quick-search-form.php

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<?php

namespace SIW\Widgets;

use SIW\HTML;
use SIW\Util;

/**
 * Widget met formulier voor Snel Zoeken
 *
 * @copyright 2019 SIW Internationale Vrijwilligersprojecten
 * @since     3.0.0
 * 
 * @widget_data 
 * Widget Name: SIW: Snel Zoeken - formulier
 * Description: Toont zoekformulier
 * Author: SIW Internationale Vrijwilligersprojecten
 * Author URI: https://www.siw.nl
 */
class Quick_Search_Form extends Widget {

    /**
     * {@inheritDoc}
     */
    protected $widget_id ='quick_search_form';

    /**
     * {@inheritDoc}
     */
    protected $widget_dashicon = 'search';

    /**
     * {@inheritDoc}
     */
    protected function set_widget_properties() {
        $this->widget_name = __( 'Snel Zoeken - formulier', 'siw');
        $this->widget_description = __( 'Toont zoekformulier', 'siw' );     
    }

    /**
     * {@inheritDoc}
     */
    public function get_widget_form() {
        $widget_forms = [
            'title' => [
                'type'    => 'text',
                'label'   => __( 'Titel', 'siw'),
                'default' => __( 'Snel Zoeken', 'siw' ),
            ],
            'result_page' => [
                'type'    => 'select',
                'label'   => __( 'Resultatenpagina', 'siw' ),
                'prompt'  => __( 'Selecteer een pagina', 'siw' ),
                'options' => Util::get_pages(), 
            ],
        ];
        return $widget_forms;
    }
    
    /**
     * {@inheritDoc}
     */
    protected function get_content( array $instance, array $args, array $template_vars, string $css_name ) { 
        $result_page_url = wp_make_link_relative( get_permalink( $instance['result_page'] ) );
        ob_start();
        ?>
        <div>
            <form id="siw_quick_search" method="get" action="<?= esc_url( $result_page_url );?>">
                <ul>
                    <li><?= HTML::generate_field( 'select', [ 'name' => 'bestemming', 'id' => 'bestemming', 'options' => $this->get_destinations() ] );?></li>
                    <li><?= HTML::generate_field( 'select', [ 'name' => 'maand', 'id' => 'maand', 'options' => $this->get_months() ] );?></li>
                    <li><?= HTML::generate_field( 'submit', [ 'value' => __( 'Zoeken', 'siw' ) ] );?></li>
                </ul>
            </form>
        </div>
        <?php
        $content = ob_get_clean();
        return $content;
    }

    /**
     * Haalt bestemmingen met beschikbare projecten op
     * 
     * @return array
     */
    protected function get_destinations() {

        $categories = get_terms( [
            'taxonomy'   => 'product_cat',
            'hide_empty' => true,
        ] );
    
        $destinations = [
            '' => __( 'Waar wil je heen?', 'siw' ),
        ];
        foreach ( $categories as $category ) {
            if ( 'uncategorized' != $category->slug && get_term_meta( $category->term_id, 'project_count', true ) > 0 ) {
                $destinations[ $category->slug ] = $category->name;
            }
        }
        return $destinations;
    }
    
    /**
     * Haalt maanden met beschikbare projecten op
     * 
     * @return array
     */
    protected function get_months() {
        $terms = get_terms( [
            'taxonomy'   => 'pa_maand',
            'hide_empty' => true,
        ]);
    
        $months = [
            '' => __( 'Wanneer wil je weg?', 'siw' )
        ];
        foreach ( $terms as $term ) {
            if ( get_term_meta( $term->term_id, 'project_count', true ) > 0 ) {
                $months[ $term->slug ] = $term->name; 
            }
        }
        return $months;
    }
}

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