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<?php
/**
* Printer class for outputting JSON+LD schema.org data to the page in SmartCrawl.
*
* @package SmartCrawl
*/
namespace SmartCrawl\Schema;
use SmartCrawl\Admin\Settings\Admin_Settings;
use SmartCrawl\Entities\Entity;
use SmartCrawl\Settings;
use SmartCrawl\Singleton;
use SmartCrawl\Work_Unit;
/**
* Class Printer
*
* Outputs JSON+LD schema.org data to the page.
*/
class Printer extends Work_Unit {
use Singleton;
/**
* Indicates if the schema injection is running.
*
* @var bool
*/
private $is_running = false;
/**
* Indicates if the schema injection is done.
*
* @var bool
*/
private $is_done = false;
/**
* Boot the hooking part.
*
* @return void
*/
public static function run() {
self::get()->add_hooks();
}
/**
* Dispatches the schema injection.
*
* @return bool True if the schema was injected, false otherwise.
*/
public function dispatch_schema_injection() {
if ( ! ! $this->is_done ) {
return false;
}
if ( $this->is_schema_disabled() ) {
$this->is_done = true;
return false; // Disabled.
}
$entity = \SmartCrawl\Endpoint_Resolver::resolve()->get_queried_entity();
if ( ! $entity ) {
return false;
}
$data = $entity->get_schema();
if ( empty( $data ) ) {
return false;
}
/**
* Filter to modify final schema data.
*
* @param array $data Schema data.
* @param Entity $entity Entity.
*/
$data = apply_filters( 'wds_schema_printer_schema_data', $data, $entity );
$this->is_done = true;
echo '<script type="application/ld+json">' .
wp_json_encode(
array(
'@context' => 'https://schema.org',
'@graph' => $data,
)
) . "</script>\n";
}
/**
* Retrieves the filter prefix.
*
* @return string The filter prefix.
*/
public function get_filter_prefix() {
return 'wds-schema';
}
/**
* Adds items to the admin bar menu.
*
* @param \WP_Admin_Bar $admin_bar The admin bar instance.
*
* @return \WP_Admin_Bar The updated admin bar instance.
*/
public function admin_bar_menu_items( $admin_bar ) {
$schema_options = Settings::get_component_options( Settings::COMP_SCHEMA );
if (
is_admin()
|| ! current_user_can( 'manage_options' )
|| $this->is_schema_disabled()
|| empty( $schema_options['schema_enable_test_button'] )
) {
return $admin_bar;
}
// Do not show if only superadmin can view settings and the current user is not super admin.
if (
is_multisite()
&& \smartcrawl_subsite_manager_role() === 'superadmin'
&& ! current_user_can( 'manage_network_options' )
) {
return $admin_bar;
}
$url = esc_url_raw( 'http' . ( isset( $_SERVER['HTTPS'] ) ? 's' : '' ) . '://' . "{$_SERVER['HTTP_HOST']}{$_SERVER['REQUEST_URI']}" ); // phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotValidatedNotSanitized
$admin_bar->add_menu(
array(
'id' => 'smartcrawl-test-item',
'title' => __( 'Test Schema', 'wds' ),
'href' => sprintf( 'https://search.google.com/test/rich-results?url=%s&user_agent=2', urlencode( $url ) ), // phpcs:ignore WordPress.PHP.DiscouragedPHPFunctions.urlencode_urlencode
'meta' => array(
'title' => __( 'Test Schema', 'wds' ),
'target' => '_blank',
),
)
);
return $admin_bar;
}
/**
* Adds hooks for schema injection.
*
* @return bool True if hooks were added, false otherwise.
*/
private function add_hooks() {
// Do not double-bind.
if ( $this->apply_filters( 'is_running', $this->is_running ) ) {
return true;
}
add_action(
'wp_head',
array(
$this,
'dispatch_schema_injection',
),
50
);
add_action(
'smartcrawl_head_after_output',
array(
$this,
'dispatch_schema_injection',
)
);
add_action(
'admin_bar_menu',
array(
$this,
'admin_bar_menu_items',
),
99
);
$this->is_running = true;
}
/**
* Checks if the schema is disabled.
*
* @return bool True if the schema is disabled, false otherwise.
*/
private function is_schema_disabled() {
$social = Settings::get_component_options( Settings::COMP_SOCIAL );
return ! empty( $social['disable-schema'] )
|| ! Admin_Settings::is_tab_allowed( Settings::TAB_SCHEMA );
}
}