lightspeeddevelopment/lsx-search

<?php
namespace lsx\search\classes\frontend;

use LSX_Search;

/**
 * Houses the functions for the CMB2 Settings page.
 *
 * @package lsx-search
 */
class Layout {

    /**
     * Holds class instance
     *
     * @since 1.0.0
     *
     * @var      object \lsx\search\classes\frontend\Layout()
     */
    protected static $instance = null;

    /**
     * Contructor
     */
    public function __construct() {
        add_action( 'wp', array( $this, 'load_functions' ), 24 );
    }

    /**
     * Return an instance of this class.
     *
     * @since 1.0.0
     *
     * @return    object \lsx\search\classes\frontend\Layout()    A single instance of this class.
     */
    public static function get_instance() {
        // If the single instance hasn't been set, set it now.
        if ( null == self::$instance ) {
            self::$instance = new self();
        }
        return self::$instance;
    }

    /**
     * Check all settings.
     */
    public function load_functions() {
        $lsx_search = LSX_Search::get_instance();
        if ( $lsx_search->frontend->search_enabled ) {
            if ( isset( $lsx_search->frontend->options['display'][ $lsx_search->frontend->search_prefix . '_layout_switcher_enable' ] ) ) {
                add_filter( 'lsx_blog_customizer_show_switcher', array( $this, 'show_layout_switcher' ), 10, 1 );
                add_filter( 'lsx_layout_switcher_options', array( $this, 'lsx_layout_switcher_options' ), 10, 1 );
                add_filter( 'lsx_layout_switcher_page_key', array( $this, 'lsx_layout_switcher_page_key' ), 10, 1 );
                add_filter( 'lsx_layout_switcher_options_default', array( $this, 'lsx_layout_switcher_options_default' ), 10, 1 );

                // Layout Classes
                add_filter( 'woocommerce_product_loop_start', array( $this, 'woocommerce_layout_class' ), 10, 1 );
            }
        }
    }

    /**
     * Display the woocommerce archive swticher.
     */
    public function show_layout_switcher( $show = false ) {
        if ( is_search() ) {
            $archive_layout_switcher = get_theme_mod( 'lsx_blog_customizer_archive_layout_switcher', false );
            if ( true === $archive_layout_switcher ) {
                $show = true;
            }
        }
        return $show;
    }

    /**
     * Remove the default and half-grid options from the results layouts.
     *
     * @param  array $layout_options
     * @return array
     */
    public function lsx_layout_switcher_options( $layout_options ) {
        unset( $layout_options['default'] );
        unset( $layout_options['half-grid'] );
        return $layout_options;
    }

    /**
     * Replace the key for the layout switcher.
     *
     * @param  string $page_key
     * @return string
     */
    public function lsx_layout_switcher_page_key( $page_key ) {
        $lsx_search = LSX_Search::get_instance();
        $page_key   = str_replace( '_search', '', $lsx_search->frontend->search_prefix );
        return $page_key;
    }

    /**
     * CHange the default layout to a grid layout.
     *
     * @param  string $default
     * @return string
     */
    public function lsx_layout_switcher_options_default( $default = 'grid' ) {
        $lsx_search = LSX_Search::get_instance();
        $default    = 'grid';
        if ( isset( $lsx_search->frontend->options['display'][ $lsx_search->frontend->search_prefix . '_grid_list' ] ) && ! empty( $lsx_search->frontend->options['display'][ $lsx_search->frontend->search_prefix . '_grid_list' ] ) ) {
            $default = $lsx_search->frontend->options['display'][ $lsx_search->frontend->search_prefix . '_grid_list' ];
        }
        return $default;
    }

    /**
     * Controls the layout for the woocommerce shop page.
     */
    public function woocommerce_layout_class( $output = '' ) {
        $default_class = $this->lsx_layout_switcher_options_default();
        $selected      = $this->get_layout_value_from_cookie( 'product' );
        if ( '' !== $selected ) {
            $default_class = $selected;
        }
        $output = str_replace( 'products', 'products ' . $default_class, $output );
        return $output;
    }

    /**
     * Get layout value from cookie
     *
     * @since 1.0.0
     */
    public function get_layout_value_from_cookie( $page_key = 'blog' ) {
        $archive_layout = 'grid';

        if ( isset( $_COOKIE[ 'lsx-' . $page_key . '-layout' ] ) ) {
            $archive_layout_from_cookie = sanitize_key( $_COOKIE[ 'lsx-' . $page_key . '-layout' ] );
            $archive_layout_from_cookie = $this->sanitize_select_layout_switcher( $archive_layout_from_cookie );

            if ( ! empty( $archive_layout_from_cookie ) ) {
                $archive_layout = $archive_layout_from_cookie;
            }
        }
        return $archive_layout;
    }

    /**
     * Sanitize select (layout switcher).
     *
     * @since 1.0.0
     */
    public function sanitize_select_layout_switcher( $input ) {
        $valid = array(
            'list'      => esc_html__( 'List', 'lsx-search' ),
            'grid'      => esc_html__( 'Grid', 'lsx-search' ),
        );

        if ( array_key_exists( $input, $valid ) ) {
            return $input;
        } else {
            return '';
        }
    }
}