JezK

Edit File: Shortcodes.php

<?php
/**
 * Plugin shortcodes
 *
 * @package Auto Listings.
 */

namespace AutoListings;

/**
 * Class Shortcodes
 */
class Shortcodes {

/**
	 * Add hooks when module is loaded.
	 */
	public function __construct() {
		add_filter( 'wp', [ $this, 'has_shortcode' ] );
		add_shortcode( 'auto_listings_listing', [ $this, 'listing' ] );
		add_shortcode( 'auto_listings_listings', [ $this, 'listings' ] );
	}

/**
	 * Check if we have the shortcode displayed
	 */
	public function has_shortcode() {
		global $post;
		if ( ! is_a( $post, 'WP_Post' ) ) {
			return;
		}
		if ( has_shortcode( $post->post_content, 'auto_listings_browse' ) ||
			has_shortcode( $post->post_content, 'auto_listings_listing' ) ||
			has_shortcode( $post->post_content, 'auto_listings_listings' )
		) {
			add_filter( 'is_auto_listings', '__return_true' );
		}

if ( has_shortcode( $post->post_content, 'auto_listings_listing' ) ) {
			add_filter( 'is_listing', '__return_true' );
		}
	}

/**
	 * Display a single listing.
	 *
	 * @param array $atts shortcode attributes.
	 *
	 * @return string
	 */
	public function listing( $atts ) {
		if ( is_admin() ) {
			return '';
		}
		$atts = shortcode_atts(
			apply_filters( 'auto_listings_shortcode_listings_default_atts', [
				'id'         => 0,
				'no_results' => __( 'Sorry, no listings were found.', 'auto-listings' ),
			] ),
			$atts
		);

$args  = [
			'post_type'      => 'auto-listing',
			'posts_per_page' => 1,
			'no_found_rows'  => 1,
			'post_status'    => 'publish',
			'p'              => $atts['id'],
		];
		$query = new \WP_Query( apply_filters( 'auto_listings_shortcode_listing_query', $args, $atts ) );
		if ( ! $query->have_posts() ) {
			$this->loop_no_results( $atts );
		}

ob_start();
		?>
		<div id="listing-<?php the_ID(); ?>" class="auto-listings-single">
			<?php
			while ( $query->have_posts() ) :
				$query->the_post();
				?>
				<?php auto_listings_get_part( 'content-single-listing.php' ); ?>
			<?php endwhile; // end of the loop. ?>
		</div>
		<?php
		wp_reset_postdata();
		return ob_get_clean();
	}

/**
	 * List multiple listings shortcode.
	 *
	 * @param array $atts Shortcode attributes.
	 * @return string
	 */
	public function listings( $atts ) {
		if ( is_admin() ) {
			return '';
		}
		$atts = shortcode_atts(
			apply_filters( 'auto_listings_shortcode_listings_default_atts', [
				'orderby'    => 'date',
				'order'      => 'asc',
				'number'     => '20',
				'seller'     => '', // id of the seller.
				'ids'        => '',
				'compact'    => '',
				'columns'    => '3',
				'view'       => 'grid',
				'no_results' => __( 'Sorry, no listings were found.', 'auto-listings' ),
			] ),
			$atts
		);

$query_args = [
			'post_type'           => 'auto-listing',
			'post_status'         => 'publish',
			'ignore_sticky_posts' => 1,
			'orderby'             => $atts['orderby'],
			'order'               => $atts['order'],
			'posts_per_page'      => $atts['number'],
			'paged'               => isset( $_GET['paged'] ) ? $_GET['paged'] : 1,
		];

if ( ! empty( $atts['ids'] ) ) {
			$query_args['post__in'] = array_map( 'trim', explode( ',', $atts['ids'] ) );
		}

if ( ! empty( $atts['seller'] ) ) {
			$query_args['meta_key']     = '_al_listing_seller';
			$query_args['meta_value']   = absint( $atts['seller'] );
			$query_args['meta_compare'] = '=';
		}

// if we are in compact mode.
		if ( ! empty( $atts['compact'] ) && 'true' === $atts['compact'] ) {
			remove_action( 'auto_listings_listings_loop_item', 'auto_listings_template_loop_at_a_glance', 20 );
			remove_action( 'auto_listings_listings_loop_item', 'auto_listings_template_loop_description', 50 );
			add_filter( 'post_class', [ $this, 'listings_compact_mode' ] );
		}

if ( ! empty( $atts['columns'] ) ) {
			add_filter( 'auto_listings_columns', function () use ( $atts ) {
				return $atts['columns'];
			} );
		}

return $this->listing_loop( $query_args, $atts );
	}

/**
	 * Add the compact class to the listings
	 *
	 * @param array $classes Post classes.
	 *
	 * @return array
	 */
	public function listings_compact_mode( $classes ) {
		$classes[] = 'compact';
		return $classes;
	}

protected function loop_no_results( $atts ) {
		?>
		<p class="alert auto-listings-no-results"><?php echo wp_kses_post( $atts['no_results'] ); ?></p>
		<?php
	}

/**
	 * Loop over found listings.
	 *
	 * @param  array $query_args Query parameters.
	 * @param  array $atts Shortcode attributes.
	 *
	 * @return string
	 */
	protected function listing_loop( $query_args, $atts ) {
		$query = new \WP_Query( apply_filters( 'auto_listings_shortcode_listings_query', $query_args, $atts ) );
		if ( ! $query->have_posts() ) {
			ob_start();
			$this->loop_no_results( $atts );
			return ob_get_clean();
		}

$view  = ! empty( $atts['view'] ) ? $atts['view'] : 'list';
		$view .= '-view';

ob_start();
		?>
		<?php do_action( 'auto_listings_shortcode_before_listings_loop' ); ?>

<?php
		$cols  = ! empty( $atts['columns'] ) ? $atts['columns'] : auto_listings_columns();
		$count = 1;
		while ( $query->have_posts() ) :
			$query->the_post();

// wrapper for our columns.
			if ( 1 === $count % $cols ) {
				echo '<ul class="auto-listings-items ' . esc_attr( $view ) . '">';
			}

auto_listings_get_part( 'content-listing.php' );

// wrapper for our columns.
			if ( 0 === $count % $cols ) {
				echo '</ul>';
			}

++$count;
		endwhile;

if ( 1 !== $count % $cols ) {
			echo '</ul>';
		}

do_action( 'auto_listings_after_listings_loop', [ 'query' => $query ] );
		do_action( 'auto_listings_shortcode_after_listings_loop' );

wp_reset_postdata();
		return apply_filters( 'auto_listings_listings_shortcode_output', ob_get_clean(), $query, $view, $cols );
	}
}