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ðŸ“„ class-astra-related-posts-loader.php(11.36 KB)
ðŸ“„ class-astra-related-posts-markup.php(15.64 KB)
ðŸ“„ class-astra-related-posts.php(1.28 KB)
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Editing: class-astra-related-posts-markup.php

<?php
/**
 * Related Posts for Astra theme.
 *
 * @package     Astra
 * @link        https://www.brainstormforce.com
 * @since       Astra 3.5.0
 */

if ( ! defined( 'ABSPATH' ) ) {
	exit; // Exit if accessed directly.
}

/**
 * Breadcrumbs Markup Initial Setup
 *
 * @since 3.5.0
 */
class Astra_Related_Posts_Markup {
	/**
	 *  Constructor
	 */
	public function __construct() {
		add_action( 'astra_content_before', array( $this, 'initialize_related_posts' ) );
	}

/**
	 * Initialize related posts module in Astra.
	 *
	 * @since 4.6.0
	 */
	public function initialize_related_posts() {
		$priority         = 10;
		$location         = astra_get_option( 'related-posts-outside-location' );
		$module_placement = astra_get_option( 'related-posts-box-placement' );
		if ( 'outside' === $module_placement ) {
			$action = 'astra_content_after';
			if ( astra_get_option( 'enable-comments-area', true ) && 'outside' === astra_get_option( 'comments-box-placement' ) ) {
				$priority = 'below' === $location ? 20 : 9;
			}
		} elseif ( 'inside' === $module_placement ) {
			$action   = 'astra_entry_bottom';
			$priority = 'below' === $location ? 20 : 10;
		} else {
			$action = 'astra_entry_after';
		}
		add_action( $action, array( $this, 'astra_related_posts_markup' ), $priority );
	}

/**
	 * Enable/Disable Single Post -> Related Posts section.
	 *
	 * @since 3.5.0
	 * @return void
	 */
	public function astra_related_posts_markup() {
		if ( astra_target_rules_for_related_posts() ) {
			$this->astra_get_related_posts();
		}
	}

/**
	 * Related Posts markup.
	 *
	 * @since 3.5.0
	 * @return bool
	 */
	public function astra_get_related_posts() {
		global $post;
		$post_id                   = $post->ID;
		$related_posts_title       = astra_get_i18n_option( 'related-posts-title', _x( '%astra%', 'Single Blog/Post Related Posts: Title', 'astra' ) );
		$related_post_meta         = astra_get_option( 'related-posts-meta-structure' );
		$related_post_structure    = astra_get_option_meta( 'related-posts-structure' );
		$exclude_ids               = apply_filters( 'astra_related_posts_exclude_post_ids', array( $post_id ), $post_id );
		$related_posts_total_count = absint( astra_get_option( 'related-posts-total-count', 2 ) );
		$module_container_width    = astra_get_option( 'related-posts-container-width' );
		$module_container_width    = 'inside' === astra_get_option( 'related-posts-box-placement' ) ? '' : 'ast-container--' . $module_container_width;
		$related_category_style    = astra_get_option( 'related-posts-category-style' );
		$related_tag_style         = astra_get_option( 'related-posts-tag-style' );

// Get related posts by WP_Query.
		$query_posts = $this->astra_get_related_posts_by_query( $post_id );

if ( $query_posts ) {

if ( ! $query_posts->have_posts() ) {
				return apply_filters( 'astra_related_posts_no_posts_avilable_message', '', $post_id );
			}

// Added flag to load wrapper section 'ast-single-related-posts-container' only once, because as we removed 'posts__not_in' param from WP_Query and we conditionally handle posts__not_in below so it needs to verify if there are other posts as well to load, then only we will display wrapper.
			$related_posts_section_loaded = false;

do_action( 'astra_related_posts_loop_before' );

/**
			 * WP_Query posts loop.
			 *
			 * Used $post_counter & ( $post_counter < $total_posts_count ) condition to manage posts in while loop because there is case where manual 'post__not_in' condition handling scenario fails within loop.
			 *
			 * # CASE EXAMPLE - If total posts set to 4 (where 'post__not_in' not used in WP_Query) so there is a chance that out of those 4 posts, 1 post will be currently active on frontend.
			 *
			 * So what will happen in this case - Within following loop the current post will exclude by if condition & only 3 posts will be shown up.
			 *
			 * To avoid such cases $post_counter & ( $post_counter < $total_posts_count ) condition used.
			 *
			 * @since 3.5.0
			 */
			$post_counter      = 1;
			$total_posts_count = $related_posts_total_count + 1;

while ( $query_posts->have_posts() && $post_counter < $total_posts_count ) {
				$query_posts->the_post();
				$post_id    = get_the_ID();
				$separator  = astra_get_option( 'related-metadata-separator', '/' );
				$output_str = astra_get_post_meta( $related_post_meta, $separator, 'related-posts' );

if ( is_array( $exclude_ids ) && ! in_array( $post_id, $exclude_ids ) ) {

if ( false === $related_posts_section_loaded ) {

if ( is_customize_preview() ) {
							echo '<div class="customizer-item-block-preview customizer-navigate-on-focus ast-single-related-posts-container ' . esc_attr( $module_container_width ) . '" data-section="ast-sub-section-related-posts" data-type="section">'; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
							Astra_Builder_UI_Controller::render_customizer_edit_button( 'row-editor-shortcut' );
						} else {
							echo '<div class="ast-single-related-posts-container ' . esc_attr( $module_container_width ) . '">'; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
						}

do_action( 'astra_related_posts_title_before' );

if ( '' !== $related_posts_title ) {
							echo apply_filters( // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
								'astra_related_posts_title',
								sprintf(
									'<div class="ast-related-posts-title-section"> <%1$s class="ast-related-posts-title"> %2$s </%1$s> </div>',
									apply_filters( 'astra_related_posts_box_heading_tag', 'h2' ),
									$related_posts_title
								)
							);
						}

do_action( 'astra_related_posts_title_after' );

echo '<div class="ast-related-posts-wrapper">'; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped

$related_posts_section_loaded = true;
					}

?>
						<article <?php post_class( 'ast-related-post' ); ?>>
							<div class="ast-related-posts-inner-section">
								<div class="ast-related-post-content">
									<?php
										// Render post based on order of Featured Image & Title-Meta.
									if ( is_array( $related_post_structure ) ) {
										foreach ( $related_post_structure as $post_thumb_title_order ) {
											if ( 'featured-image' === $post_thumb_title_order ) {
												do_action( 'astra_related_post_before_featured_image', $post_id );
												$this->astra_get_related_post_featured_image( $post_id );
												do_action( 'astra_related_post_after_featured_image', $post_id );
											} else {
												?>
														<header class="entry-header related-entry-header">
														<?php
															$this->astra_get_related_post_title( $post_id );
															echo apply_filters( 'astra_related_posts_meta_html', '<div class="entry-meta ast-related-cat-style--' . $related_category_style . ' ast-related-tag-style--' . $related_tag_style . '">' . $output_str . '</div>' ); // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
														?>
														</header>
													<?php
											}
										}
									}
									?>
									<div class="entry-content clear">
										<?php
											$this->astra_get_related_post_excerpt( $post_id );
											$this->astra_get_related_post_read_more( $post_id );
										?>
									</div>
								</div>
							</div>
						</article>
					<?php
					$post_counter++;
				}

wp_reset_postdata();
			}

if ( true === $related_posts_section_loaded ) {
				echo '</div> </div>'; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
			}

do_action( 'astra_related_posts_loop_after' );
		}
	}

/**
	 * Render Post CTA button HTML marup.
	 *
	 * @param int $current_post_id current post ID.
	 *
	 * @since 3.5.0
	 */
	public function astra_get_related_post_read_more( $current_post_id ) {
		if ( ! astra_get_option( 'enable-related-posts-excerpt' ) ) {
			return;
		}

$related_posts_content_type = apply_filters( 'astra_related_posts_content_type', 'excerpt' );

if ( 'full-content' === $related_posts_content_type ) {
			return;
		}

$target = apply_filters( 'astra_related_post_cta_target', '_self' );

$cta_text = apply_filters( 'astra_related_post_read_more_text', astra_get_i18n_option( 'blog-read-more-text', _x( '%astra%', 'Blogs: Read More Text', 'astra' ) ) );

$blog_read_more_as_button = astra_get_option( 'blog-read-more-as-button' );
		$show_read_more_as_button = apply_filters( 'astra_related_post_read_more_as_button', $blog_read_more_as_button );

$class = '';

if ( $show_read_more_as_button ) {
			$class = 'ast-button';
		}

$custom_class = apply_filters( 'astra_related_post_cta_custom_classes', $class );

do_action( 'astra_related_post_before_cta', $current_post_id );

?>
			<p class="ast-related-post-cta read-more">
				<a class="ast-related-post-link <?php echo esc_attr( $custom_class ); ?>" href="<?php echo esc_url( apply_filters( 'astra_related_post_link', get_the_permalink(), $current_post_id ) ); ?>" aria-label="<?php echo esc_attr__( 'Related post link', 'astra' ); ?>" target="<?php echo esc_attr( $target ); ?>" rel="bookmark noopener noreferrer"><?php echo esc_html( $cta_text ); ?></a>
			</p>
		<?php

do_action( 'astra_related_post_after_cta', $current_post_id );
	}

/**
	 * Related Posts Excerpt markup.
	 *
	 * @param int $current_post_id current post ID.
	 *
	 * @since 3.5.0
	 */
	public function astra_get_related_post_excerpt( $current_post_id ) {
		if ( ! astra_get_option( 'enable-related-posts-excerpt' ) ) {
			return;
		}

$related_posts_content_type = apply_filters( 'astra_related_posts_content_type', 'excerpt' );

if ( 'full-content' === $related_posts_content_type ) {
			return the_content();
		}

$excerpt_length = absint( astra_get_option( 'related-posts-excerpt-count' ) );

$excerpt = wp_trim_words( get_the_excerpt(), $excerpt_length );

if ( ! $excerpt ) {
			$excerpt = null;
		}

$excerpt = apply_filters( 'astra_related_post_excerpt', $excerpt, $current_post_id );

do_action( 'astra_related_post_before_excerpt', $current_post_id );

?>
			<p class="ast-related-post-excerpt entry-content clear">
				<?php echo wp_kses_post( $excerpt ); ?>
			</p>
		<?php

do_action( 'astra_related_post_after_excerpt', $current_post_id );
	}

/**
	 * Render Post Title HTML.
	 *
	 * @param int $current_post_id current post ID.
	 *
	 * @since 3.5.0
	 */
	public function astra_get_related_post_title( $current_post_id ) {
		$related_post_structure = astra_get_option_meta( 'related-posts-structure' );

if ( ! in_array( 'title-meta', $related_post_structure ) ) {
			return;
		}

$target    = apply_filters( 'astra_related_post_title_opening_target', '_self' );
		$title_tag = apply_filters( 'astra_related_post_title_tag', 'h3' );

do_action( 'astra_related_post_before_title', $current_post_id );
		?>
			<<?php echo esc_html( $title_tag ); ?> class="ast-related-post-title entry-title">
				<a href="<?php echo esc_url( apply_filters( 'astra_related_post_link', get_the_permalink(), $current_post_id ) ); ?>" target="<?php echo esc_attr( $target ); ?>" rel="bookmark noopener noreferrer"><?php the_title(); ?></a>
			</<?php echo esc_html( $title_tag ); ?>>
		<?php
		do_action( 'astra_related_post_after_title', $current_post_id );
	}

/**
	 * Render Featured Image HTML.
	 *
	 * @param int    $current_post_id current post ID.
	 * @param string $before Markup before thumbnail image.
	 * @param string $after  Markup after thumbnail image.
	 * @param bool   $echo   Output print or return.
	 * @return string|null
	 *
	 * @since 3.5.0
	 */
	public function astra_get_related_post_featured_image( $current_post_id, $before = '', $after = '', $echo = true ) {
		$related_post_structure = astra_get_option_meta( 'related-posts-structure' );

if ( ! in_array( 'featured-image', $related_post_structure ) ) {
			return;
		}
		$featured_image_size = astra_get_option( 'related-posts-image-size', 'large' );

$thumbnail_id = get_post_thumbnail_id( $current_post_id );
		$alt_text     = $thumbnail_id ? get_post_meta( $thumbnail_id, '_wp_attachment_image_alt', true ) : '';

$post_thumb = apply_filters(
			'astra_related_post_featured_image_markup',
			get_the_post_thumbnail(
				$current_post_id,
				apply_filters( 'astra_related_posts_thumbnail_default_size', $featured_image_size ),
				array(
					'alt'      => $alt_text ? $alt_text : get_the_title( $current_post_id ),
					'itemprop' => apply_filters( 'astra_related_posts_thumbnail_itemprop', '' ),
				)
			)
		);

$appended_class = has_post_thumbnail( $current_post_id ) ? 'post-has-thumb' : 'ast-no-thumb';

$featured_img_markup = '<div class="ast-related-post-featured-section ' . $appended_class . '">';

if ( '' !== $post_thumb ) {
			$featured_img_markup .= '<div class="post-thumb-img-content post-thumb">';
			$featured_img_markup .= astra_markup_open(
				'ast-related-post-image',
				array(
					'open'  => '<a %s>',
					'echo'  => false,
					'attrs' => array(
						'class'      => '',
						'aria-label' => sprintf( __( 'Read more about %s', 'astra' ), esc_attr( get_the_title( $current_post_id ) ) ),
						'href'       => esc_url( get_permalink() ),
					),
				)
			);
			$featured_img_markup .= $post_thumb;
			$featured_img_markup .= '</a> </div>';
		}

$featured_img_markup  = apply_filters( 'astra_related_post_featured_image_after', $featured_img_markup );
		$featured_img_markup .= '</div>';

$featured_img_markup = apply_filters( 'astra_related_post_thumbnail', $featured_img_markup, $before, $after );

if ( false === $echo ) {
			return $before . $featured_img_markup . $after;
		}

echo $before . $featured_img_markup . $after; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
	}

/**
	 * Get related posts based on configurations.
	 *
	 * @param int $post_id Current Post ID.
	 *
	 * @since 3.5.0
	 *
	 * @return WP_Query|bool
	 */
	public function astra_get_related_posts_by_query( $post_id ) {
		$term_ids                  = array();
		$current_post_type         = get_post_type( $post_id );
		$related_posts_total_count = absint( astra_get_option( 'related-posts-total-count', 2 ) );
		// Taking one post extra in loop because if current post excluded from while loop then this extra one post will cover total post count. Apperently avoided 'post__not_in' from WP_Query.
		$updated_total_posts_count = $related_posts_total_count + 1;
		$related_posts_order_by    = astra_get_option( 'related-posts-order-by', 'date' );
		$related_posts_order       = astra_get_option( 'related-posts-order', 'desc' );
		$related_posts_based_on    = astra_get_option( 'related-posts-based-on', 'categories' );

$query_args = array(
			'update_post_meta_cache' => false,
			'posts_per_page'         => $updated_total_posts_count,
			'no_found_rows'          => true,
			'post_status'            => 'publish',
			'post_type'              => $current_post_type,
			'orderby'                => $related_posts_order_by,
			'fields'                 => 'ids',
			'order'                  => $related_posts_order,
		);

if ( 'tags' === $related_posts_based_on ) {
			$terms = get_the_tags( $post_id );

if ( ! empty( $terms ) && ! is_wp_error( $terms ) ) {
				$term_ids = wp_list_pluck( $terms, 'term_id' );
			}

$query_args['tag__in'] = $term_ids;

} else {
			$terms = get_the_category( $post_id );

/** @psalm-suppress RedundantConditionGivenDocblockType */ // phpcs:ignore Generic.Commenting.DocComment.MissingShort
			if ( ! empty( $terms ) && ! is_wp_error( $terms ) ) {
				/** @psalm-suppress RedundantConditionGivenDocblockType */ // phpcs:ignore Generic.Commenting.DocComment.MissingShort
				$term_ids = wp_list_pluck( $terms, 'term_id' );
			}

$query_args['category__in'] = $term_ids;
		}

$query_args = apply_filters( 'astra_related_posts_query_args', $query_args );

return new WP_Query( $query_args );
	}
}

/**
 *  Kicking this off by creating NEW instance.
 */
new Astra_Related_Posts_Markup();

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