File "blogroll-item.php"
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<?php
/**
* Blogroll Item Block.
*
* @since 12.6
*
* @package automattic/jetpack
*/
namespace Automattic\Jetpack\Extensions\Blogroll_Item;
use Automattic\Jetpack\Blocks;
use Automattic\Jetpack\Status\Request;
use Jetpack_Gutenberg;
const FEATURE_NAME = 'blogroll-item';
const BLOCK_NAME = 'jetpack/' . FEATURE_NAME;
/**
* Registers the block for use in Gutenberg
* This is done via an action so that we can disable
* registration if we need to.
*/
function register_block() {
Blocks::jetpack_register_block(
BLOCK_NAME,
array(
'render_callback' => __NAMESPACE__ . '\load_assets',
'uses_context' => array( 'openLinksNewWindow' ),
)
);
}
add_action( 'init', __NAMESPACE__ . '\register_block' );
/**
* Blogroll Item block registration/dependency declaration.
*
* @param array $attr Array containing the Blogroll Item block attributes.
* @param string $content String containing the block content.
* @param object $block The block.
*
* @return string
*/
function load_assets( $attr, $content, $block ) {
/*
* Enqueue necessary scripts and styles.
*/
Jetpack_Gutenberg::load_assets_as_required( FEATURE_NAME );
$kses_defaults = wp_kses_allowed_html( 'post' );
$name = wp_kses( $attr['name'] ?? '', $kses_defaults );
$name_attr = esc_attr( $attr['name'] ?? '' );
$id = esc_attr( $attr['id'] ?? '' );
$url = esc_url( $attr['url'] ?? '' );
$description = wp_kses( $attr['description'] ?? '', $kses_defaults );
$icon = esc_attr( $attr['icon'] ?? null );
$target = esc_attr( $block->context['openLinksNewWindow'] ? '_blank' : '_self' );
$email = esc_attr( get_current_user_id() ? get_userdata( get_current_user_id() )->user_email : '' );
$wp_nonce = esc_attr( wp_create_nonce( 'blogsub_subscribe_' . $id ) );
$subscribe_text = esc_html__( 'Subscribe', 'jetpack' );
$submit_text = esc_html__( 'Submit', 'jetpack' );
$cancel_text = esc_html__( 'Cancel', 'jetpack' );
$disabled_subscribe_button = '';
$subscribe_button_class = 'is-style-fill';
$is_following = ( function_exists( 'wpcom_subs_is_subscribed' ) && wpcom_subs_is_subscribed(
array(
'user_id' => get_current_user_id(),
'blog_id' => $id,
)
) ) || isset( $_GET['blogid'] ) && $id === $_GET['blogid']; // phpcs:ignore WordPress.Security.NonceVerification.Recommended -- View logic.
if ( $is_following ) {
$subscribe_text = esc_html__( 'Subscribed', 'jetpack' );
$disabled_subscribe_button = 'disabled';
$subscribe_button_class = 'is-style-outline';
}
$placeholder_site_icon = '';
$site_icon_html = <<<HTML
<img class="blogroll-item-image" src="$icon" alt="$name_attr" onerror="this.parentNode.classList.add('empty-site-icon')">
HTML;
if ( empty( $icon ) ) {
$site_icon_html = '';
$placeholder_site_icon = 'empty-site-icon';
}
if ( ! Request::is_frontend() ) {
return <<<HTML
<div style="margin-bottom: 10px;">
<a href="$url">$name</a><div>$description</div>
</div>
HTML;
}
$form_buttons = <<<HTML
<!-- wp:buttons {"style":{"spacing":{"blockGap":"10px"}}} -->
<div class="wp-block-buttons">
<!-- wp:button {"className":"is-style-fill"} -->
<div class="wp-block-button jetpack-blogroll-item-submit-button is-style-fill">
<button type="submit" name="blog_id" value="$id" class="wp-block-button__link wp-element-button">$submit_text</button>
</div>
<!-- /wp:button -->
<!-- wp:button {"className":"is-style-outline"} -->
<div class="wp-block-button jetpack-blogroll-item-cancel-button is-style-outline">
<button type="reset" class="wp-block-button__link wp-element-button">$cancel_text</button>
</div>
</div>
<!-- /wp:buttons -->
HTML;
$subscribe_button = <<<HTML
<!-- wp:button {"className":"$subscribe_button_class"} -->
<div class="wp-block-button jetpack-blogroll-item-subscribe-button $subscribe_button_class">
<button type="button" class="wp-block-button__link wp-element-button" {$disabled_subscribe_button}>$subscribe_text</button>
</div>
<!-- /wp:button -->
HTML;
$subscribe_button_html = '';
$fieldset = '';
$has_subscription_form = defined( 'IS_WPCOM' ) && IS_WPCOM && isset( $attr['is_non_wpcom_site'] ) && ! $attr['is_non_wpcom_site'];
$classes = Blocks::classes( FEATURE_NAME, $attr );
if ( $has_subscription_form ) {
$classes .= ' has-subscription-form';
$form_buttons_html = do_blocks( $form_buttons );
$subscribe_button_html = do_blocks( $subscribe_button );
$fieldset = <<<HTML
<fieldset disabled class="jetpack-blogroll-item-submit">
<input type="hidden" name="_wpnonce" value="$wp_nonce">
<input type="email" name="email" placeholder="Email address" value="$email" class="jetpack-blogroll-item-email-input">
$form_buttons_html
</fieldset>
HTML;
}
/**
* Build the block content.
*/
$content = <<<HTML
<div class="jetpack-blogroll-item-information">
<figure class="$placeholder_site_icon">
$site_icon_html
</figure>
<div class="jetpack-blogroll-item-content">
<a class="jetpack-blogroll-item-title" href="$url" target="$target" rel="noopener noreferrer">$name</a>
<div class="jetpack-blogroll-item-description">$description</div>
</div>
$subscribe_button_html
</div>
$fieldset
HTML;
return sprintf(
'<div class="%1$s">
<hr class="wp-block-separator jetpack-blogroll-item-divider" />
<div class="jetpack-blogroll-item-slider">%2$s</div>
</div>',
esc_attr( $classes ),
$content
);
}