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<?php
/**
* Featured posts on blog index.
*
* @package Hestia
*/
/**
* Class Hestia_Featured_Posts
*/
class Hestia_Featured_Posts extends Hestia_Abstract_Main {
/**
* Posts that will be skipped.
*
* @var array
*/
private $posts_to_skip = array();
/**
* Initialize Featured Posts
*/
public function init() {
add_action( 'hestia_before_index_posts_loop', array( $this, 'render_featured_posts' ) );
add_filter( 'hestia_filter_skipped_posts_in_main_loop', array( $this, 'remove_featured_posts_in_main_loop' ), 0 );
}
/**
* Display the latest 3 posts on top of the blog page.
*
* @return array|void
*/
public function render_featured_posts() {
if ( is_404() ) {
return;
}
/**
* Check if section is enabled. If it isn't, exit.
*/
$featured_posts_category = get_theme_mod( 'hestia_featured_posts_category', apply_filters( 'hestia_featured_posts_category_default', 0 ) );
if ( empty( $featured_posts_category ) ) {
return;
}
if ( count( $featured_posts_category ) === 1 && empty( $featured_posts_category[0] ) ) {
return;
}
/**
* By default, we will show only the last 3 posts but the number of posts can be changed in a child theme.
*/
$number_of_posts = apply_filters( 'hestia_blog_featured_posts_number', 3 );
$post = new WP_Query(
array(
'post_type' => 'post',
'posts_per_page' => ! empty( $number_of_posts ) ? absint( $number_of_posts ) : 3,
'order' => 'DESC',
'ignore_sticky_posts' => true,
'category__in' => $featured_posts_category,
)
);
if ( ! $post->have_posts() ) {
return;
}
/**
* Index of the current post that is showed in loop.
*/
$item_index = 0;
/**
* The total number of posts.
*/
$category = get_category( $featured_posts_category[0] );
$total_posts = $category->category_count;
echo '<div class="hestia-blog-featured-posts ' . esc_attr( $this->wrapper_class() ) . '"><div class="row">';
while ( $post->have_posts() ) {
$post->the_post();
$item_index ++;
/**
* Based on the post index, decide if the post should display full width or just 50% of the page. If it's
* the only post, display it as full width.
*/
$card_class = $this->get_card_class( $item_index, $total_posts );
$card_inner_class = 'card card-raised';
/**
* If the post has a thumbnail, we add the class card-background which adds overlay on the image, center
* the content and change the color of the text.
*/
$thumb_style = '';
if ( has_post_thumbnail() ) {
$card_inner_class .= ' card-background';
$thumb_url = get_the_post_thumbnail_url();
$thumb_style = 'style="background-image:url(' . esc_url( $thumb_url ) . ')"';
}
// Get the data (title, category, content) and display the post.
$pid = get_the_ID();
array_push( $this->posts_to_skip, $pid );
$categories = get_the_category( $pid );
$cat_name = $categories[0]->name;
$cat_id = $categories[0]->term_id;
$cat_link = get_category_link( $cat_id );
$post_url = get_permalink();
$title = get_the_title();
$content = get_the_excerpt();
$content = preg_replace( '/<a class="moretag" (.*?)>(.*?)<\/a>/i', '...', $content );
echo '<article class="hestia-blog-featured-card ' . esc_attr( $card_class ) . '">';
echo '<div class="' . esc_attr( $card_inner_class ) . '" ' . $thumb_style . '>';
echo '<div class="card-body">';
echo '<h6 class="category text-info"><a href="' . esc_url( $cat_link ) . '">' . wp_kses_post( $cat_name ) . '</a></h6>';
if ( ! empty( $title ) ) {
echo '<a href="' . esc_url( $post_url ) . '">';
echo '<h2 class="card-title">' . wp_kses_post( $title ) . '</h2>';
echo '</a>';
}
if ( ! empty( $content ) ) {
echo '<p class="card-description">';
echo wp_kses_post( $content );
echo '</p>';
}
echo '<a href="' . esc_url( $post_url ) . '" class="btn btn-round">';
echo apply_filters( 'hestia_features_blog_posts_button_text', esc_html__( 'Read more', 'hestia' ) );
echo '</a>';
echo '</div>';
echo '</div>';
echo '</article>';
}
wp_reset_postdata();
echo '</div></div>';
}
/**
* Filter main loop posts for featured area exclusion.
*
* @param array $posts the posts array.
*
* @return array
*/
public function remove_featured_posts_in_main_loop( $posts ) {
return array_merge( $posts, $this->posts_to_skip );
}
/**
* Based on the post index, decide if the post should display full width or just 50% of the page.
*
* @param int $index Post index.
* @param int $total_posts Number of posts in category.
*
* @return string
*/
private function get_card_class( $index, $total_posts ) {
if ( $total_posts > 1 ) {
if ( $index % 3 === 1 ) {
return 'col-md-6';
}
if ( $index % 3 === 2 ) {
return 'col-md-6';
}
return 'col-md-12';
}
}
/**
* Featured posts wrapper class.
*
* @return string
*/
private function wrapper_class() {
$blog_sidebar_layout = get_theme_mod( 'hestia_blog_sidebar_layout', 'sidebar-right' );
if ( $blog_sidebar_layout === 'full-width' || ( ! is_active_sidebar( 'sidebar-1' ) && ! is_customize_preview() ) ) {
return ' col-md-10 col-md-offset-1 ';
} else {
return ' col-md-12 ';
}
}
}