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<?php
/**
* Plugin Loader.
*
* @package zip-ai
* @since 1.0.0
*/
namespace ZipAI;
// Exit if accessed directly.
if ( ! defined( 'ABSPATH' ) ) {
exit;
}
// Classes to be used, in alphabetical order.
use ZipAI\Classes\Admin_Configurations;
use ZipAI\Classes\Module;
use ZipAI\Classes\Sidebar_Configurations;
if ( ! class_exists( '\ZipAI\Loader' ) ) {
/**
* Plugin_Loader
*
* @since 1.0.0
*/
class Loader {
/**
* Instance
*
* @access private
* @var object Class Instance.
* @since 1.0.0
*/
private static $instance;
/**
* Initiator
*
* @since 1.0.0
* @return object initialized object of class.
*/
public static function get_instance() {
if ( ! isset( self::$instance ) ) {
self::$instance = new self();
}
return self::$instance;
}
/**
* Autoload classes.
*
* @param string $class class name.
*/
public function autoload( $class ) {
if ( 0 !== strpos( $class, __NAMESPACE__ ) ) {
return;
}
$class_to_load = $class;
$filename = strtolower(
preg_replace(
[ '/^' . __NAMESPACE__ . '\\\/', '/([a-z])([A-Z])/', '/_/', '/\\\/' ],
[ '', '$1-$2', '-', DIRECTORY_SEPARATOR ],
$class_to_load
)
);
$file = ZIP_AI_DIR . $filename . '.php';
// if the file redable, include it.
if ( is_readable( $file ) ) {
require_once $file;
}
}
/**
* Constructor
*
* @since 1.0.0
*/
public function __construct() {
spl_autoload_register( [ $this, 'autoload' ] );
add_action( 'plugins_loaded', [ $this, 'setup_classes' ], 20 );
$this->define_constants();
}
/**
* Define the required constants.
*
* @since 1.0.0
* @return void
*/
public function define_constants() {
define( 'ZIP_AI_FILE', __FILE__ );
define( 'ZIP_AI_DIR', plugin_dir_path( ZIP_AI_FILE ) );
define( 'ZIP_AI_URL', plugins_url( '/', ZIP_AI_FILE ) );
define( 'ZIP_AI_VERSION', '2.0.2' );
define( 'ZIP_AI_MENU_SLUG', 'zip-ai' );
define( 'ZIP_AI_MIDDLEWARE', 'https://app.zipwp.com/auth/' );
define( 'ZIP_AI_ZIPWP_API', 'https://api.zipwp.com/api/' );
define( 'ZIP_AI_CREDIT_SERVER_API', 'https://credits.startertemplates.com/api/' );
define( 'ZIP_AI_CREDIT_TOPUP_URL', 'https://app.zipwp.com/credits-pricing' );
define( 'ZIP_AI_CREDIT_THRESHOLD_MEDIUM', 65 );
define( 'ZIP_AI_CREDIT_THRESHOLD_HIGH', 85 );
}
/**
* Setup the required classes.
*
* @since 1.0.0
* @return void
*/
public function setup_classes() {
// Migrate any older modules to the new format.
Module::migrate_options();
// Enable the Zip AI Chat Sidebar if required - filter is for old users.
if ( apply_filters( 'zip_ai_enable_chat_sidebar', true ) && Module::is_enabled( 'ai_assistant' ) ) {
Sidebar_Configurations::get_instance();
}
// Enable the Zip AI Admin Configurations if required.
if ( is_admin() ) {
Admin_Configurations::get_instance();
}
}
}
/**
* Kicking this off by calling 'get_instance()' method
*/
Loader::get_instance();
}