File: //proc/thread-self/cwd/wp-content/plugins/coblocks/src/blocks/post-carousel/index.php
<?php
/**
* Server-side rendering of the `post-carousel` block.
*
* @package WordPress
*/
/**
* Renders the block on server.
*
* @param array $attributes The block attributes.
*
* @return string Returns the block content.
*/
function coblocks_render_post_carousel_block( $attributes ) {
global $post;
$args = array(
'posts_per_page' => $attributes['postsToShow'],
'post_status' => 'publish',
'order' => $attributes['order'],
'orderby' => $attributes['orderBy'],
'suppress_filters' => false,
'post__not_in' => array( $post->ID ),
);
if ( isset( $attributes['categories'] ) ) {
$args['category__in'] = array_column( $attributes['categories'], 'id' );
}
if ( 'external' === $attributes['postFeedType'] && $attributes['externalRssUrl'] ) {
$recent_posts = fetch_feed( $attributes['externalRssUrl'] );
if ( is_wp_error( $recent_posts ) ) {
return '<div class="components-placeholder"><div class="notice notice-error"><strong>' . __( 'RSS error:', 'coblocks' ) . '</strong> ' . $recent_posts->get_error_message() . '</div></div>';
}
if ( ! $recent_posts->get_item_quantity() ) {
// PHP 5.2 compatibility. See: http://simplepie.org/wiki/faq/i_m_getting_memory_leaks.
$recent_posts->__destruct();
unset( $recent_posts );
return '<div class="components-placeholder"><div class="notice notice-error">' . __( 'An error has occurred, which probably means the feed is down. Try again later.', 'coblocks' ) . '</div></div>';
}
$recent_posts = $recent_posts->get_items( 0, $attributes['postsToShow'] );
$formatted_posts = coblocks_get_rss_post_carousel_info( $recent_posts );
} else {
$recent_posts = get_posts( $args );
$formatted_posts = coblocks_get_post_carousel_info( $recent_posts );
}
$block_layout = null;
if ( isset( $attributes['className'] ) && strpos( $attributes['className'], 'is-style-horizontal' ) !== false ) {
$block_layout = 'horizontal';
} elseif ( isset( $attributes['className'] ) && strpos( $attributes['className'], 'is-style-stacked' ) !== false ) {
$block_layout = 'stacked';
} else {
$block_layout = 'carousel';
}
return coblocks_post_carousel( $formatted_posts, $attributes );
}
/**
* Renders the carousel style.
*
* @param array $posts Current posts.
* @param array $attributes The block attributes.
*
* @return string Returns the block content for the carousel.
*/
function coblocks_post_carousel( $posts, $attributes ) {
$class = 'wp-block-coblocks-post-carousel';
if ( isset( $attributes['className'] ) ) {
$class .= ' ' . $attributes['className'];
}
if ( isset( $attributes['align'] ) ) {
$class .= ' align' . $attributes['align'];
}
$block_content = sprintf(
'<div class="%1$s"><div class="coblocks-slick pb-8" data-slick="%2$s">',
esc_attr( $class ),
esc_attr(
wp_json_encode(
/**
* Filter the slick slider carousel settings
*
* @var array Slick slider settings.
*/
(array) apply_filters(
'coblocks_post_carousel_settings',
array(
'slidesToScroll' => 1,
'arrow' => true,
'slidesToShow' => $attributes['columns'],
'infinite' => true,
'adaptiveHeight' => false,
'draggable' => true,
'responsive' => array(
array(
'breakpoint' => 1024,
'settings' => array(
'slidesToShow' => 3,
),
),
array(
'breakpoint' => 600,
'settings' => array(
'slidesToShow' => 2,
),
),
array(
'breakpoint' => 480,
'settings' => array(
'slidesToShow' => 1,
),
),
),
)
)
)
)
);
$list_items_markup = '';
foreach ( $posts as $post ) {
$list_items_markup .= '<div class="wp-block-coblocks-post-carousel__item">';
if ( null !== $post['thumbnailURL'] && $post['thumbnailURL'] ) {
$list_items_markup .= sprintf(
'<div class="wp-block-coblocks-post-carousel__image"><a href="%1$s" class="bg-cover bg-center-center" style="background-image:url(%2$s)"></a></div>',
esc_url( $post['postLink'] ),
esc_url( $post['thumbnailURL'] )
);
}
$list_items_markup .= '<div class="wp-block-coblocks-post-carousel__content">';
if ( isset( $attributes['displayPostDate'] ) && $attributes['displayPostDate'] ) {
$list_items_markup .= sprintf(
'<time datetime="%1$s" class="wp-block-coblocks-post-carousel__date">%2$s</time>',
$post['date'],
$post['dateReadable']
);
}
$title = $post['title'];
if ( ! $title ) {
$title = _x( '(no title)', 'placeholder when a post has no title', 'coblocks' );
}
$list_items_markup .= sprintf(
'<a href="%1$s" alt="%2$s">%2$s</a>',
esc_url( $post['postLink'] ),
esc_html( $title )
);
if ( isset( $attributes['displayPostContent'] ) && $attributes['displayPostContent'] ) {
$post_excerpt = $post['postExcerpt'];
$trimmed_excerpt = esc_html( wp_trim_words( $post_excerpt, $attributes['excerptLength'], ' … ' ) );
$list_items_markup .= sprintf(
'<div class="wp-block-coblocks-post-carousel__excerpt">%1$s</div>',
$trimmed_excerpt
);
}
if ( isset( $attributes['displayPostLink'] ) && $attributes['displayPostLink'] ) {
$list_items_markup .= sprintf(
'<a href="%1$s" class="wp-block-coblocks-post-carousel__more-link">%2$s</a>',
esc_url( $post['postLink'] ),
esc_html( $attributes['postLink'] )
);
}
$list_items_markup .= '</div></div>';
}
$block_content .= $list_items_markup;
$block_content .= '</div>';
$block_content .= '</div>';
return $block_content;
}
/**
* Returns the posts for an internal post-carousel.
*
* @param array $posts Current posts.
*
* @return array Returns posts.
*/
function coblocks_get_post_carousel_info( $posts ) {
$formatted_posts = array();
foreach ( $posts as $post ) {
$formatted_post = null;
$formatted_post['thumbnailURL'] = get_the_post_thumbnail_url( $post, 'full' );
$formatted_post['date'] = esc_attr( get_the_date( 'c', $post ) );
$formatted_post['dateReadable'] = esc_html( get_the_date( '', $post ) );
$formatted_post['title'] = get_the_title( $post );
$formatted_post['postLink'] = esc_url( get_permalink( $post ) );
$post_excerpt = $post->post_excerpt;
if ( ! ( $post_excerpt ) ) {
$post_excerpt = $post->post_content;
}
$formatted_post['postExcerpt'] = $post_excerpt;
$formatted_posts[] = $formatted_post;
}
return $formatted_posts;
}
/**
* Returns the posts for an external rss feed.
*
* @param array $posts current posts.
*
* @return array returns posts.
*/
function coblocks_get_rss_post_carousel_info( $posts ) {
$formatted_posts = array();
foreach ( $posts as $post ) {
$title = esc_html( trim( wp_strip_all_tags( $post->get_title() ) ) );
$formatted_post = null;
$formatted_post['date'] = date_i18n( get_option( 'c' ), $post->get_date( 'U' ) );
$formatted_post['dateReadable'] = date_i18n( get_option( 'date_format' ), $post->get_date( 'U' ) );
$formatted_post['title'] = $title;
$formatted_post['postLink'] = esc_url( $post->get_link() );
$formatted_post['postExcerpt'] = html_entity_decode( $post->get_description(), ENT_QUOTES, get_option( 'blog_charset' ) );
$output = preg_match_all( '/<img.+src=[\'"]([^\'"]+)[\'"].*>/i', $post->get_content(), $matches );
$first_img = false;
if ( $matches && ! empty( $matches[1] ) ) {
$first_img = $matches[1][0];
}
$formatted_post['thumbnailURL'] = $first_img;
$formatted_posts[] = $formatted_post;
}
return $formatted_posts;
}
/**
* Registers the `post-carousel` block on server.
*/
function coblocks_register_post_carousel_block() {
// Return early if this function does not exist.
if ( ! function_exists( 'register_block_type' ) ) {
return;
}
$dir = CoBlocks()->asset_source( 'js' );
wp_register_script(
'coblocks-slick-initializer',
$dir . 'coblocks-slick-initializer.js',
array( 'jquery' ),
COBLOCKS_VERSION,
true
);
// Load attributes from block.json.
ob_start();
include COBLOCKS_PLUGIN_DIR . 'src/blocks/post-carousel/block.json';
$metadata = json_decode( ob_get_clean(), true );
register_block_type(
'coblocks/post-carousel',
array(
'attributes' => $metadata['attributes'],
'render_callback' => 'coblocks_render_post_carousel_block',
'editor_script' => 'coblocks-slick-initializer',
)
);
}
add_action( 'init', 'coblocks_register_post_carousel_block' );
/**
* Handles outdated versions of the `coblocks/post-carousel` block by converting
* attribute `categories` from a numeric string to an array with key `id`.
*
* This is done to accommodate the changes introduced in https://github.com/WordPress/gutenberg/pull/20781 that sought to
* add support for multiple categories to the block. However, given that this
* block is dynamic, the usual provisions for block migration are insufficient,
* as they only act when a block is loaded in the editor.
*
* Remove when and if the bottom client-side deprecation for this block is removed.
*
* @param array $block A single parsed block object.
*
* @return array The migrated block object.
*/
function coblocks_post_carousel_migrate_categories( $block ) {
if (
'coblocks/post-carousel' === $block['blockName'] &&
! empty( $block['attrs']['categories'] ) &&
is_string( $block['attrs']['categories'] )
) {
$block['attrs']['categories'] = array(
array( 'id' => absint( $block['attrs']['categories'] ) ),
);
}
return $block;
}
add_filter( 'render_block_data', 'coblocks_post_carousel_migrate_categories' );