File: /var/www/html/ielts-store/wp-content/plugins/woocommerce-checkout-manager/includes/class-wooccm.php
<?php
final class WOOCCM
{
  protected static $_instance;
  public function __construct()
  {
    include_once(WOOCCM_PLUGIN_DIR . 'includes/class-wooccm-install.php');
    include_once(WOOCCM_PLUGIN_DIR . 'includes/class-wooccm-notices.php');
    register_activation_hook(WOOCCM_PLUGIN_FILE, array('WOOCCM_Install', 'install'));
    load_plugin_textdomain('woocommerce-checkout-manager', false, dirname(plugin_basename(__FILE__)) . '/languages/');
    add_action('woocommerce_init', array($this, 'init_session'));
    add_action('woocommerce_init', array($this, 'includes'));
    add_action('woocommerce_init', array($this, 'field'));
    add_action('woocommerce_checkout_order_processed', array($this, 'clear_session'), 150);
  }
  public static function instance()
  {
    if (is_null(self::$_instance)) {
      self::$_instance = new self();
    }
    return self::$_instance;
  }
  public function field()
  {
    $this->billing = WOOCCM_Field_Billing::instance();
    $this->shipping = WOOCCM_Field_Shipping::instance();
    $this->additional = WOOCCM_Field_Additional::instance();
    include_once(WOOCCM_PLUGIN_DIR . 'includes/class-wooccm-compatibility.php');
  }
  public function includes()
  {
    include_once(WOOCCM_PLUGIN_DIR . 'includes/class-wooccm-backend.php');
    include_once(WOOCCM_PLUGIN_DIR . 'includes/class-wooccm-upload.php');
    include_once(WOOCCM_PLUGIN_DIR . 'includes/controller/class-wooccm-checkout.php');
    include_once(WOOCCM_PLUGIN_DIR . 'includes/controller/class-wooccm-field.php');
    include_once(WOOCCM_PLUGIN_DIR . 'includes/controller/class-wooccm-order.php');
    include_once(WOOCCM_PLUGIN_DIR . 'includes/controller/class-wooccm-email.php');
    include_once(WOOCCM_PLUGIN_DIR . 'includes/controller/class-wooccm-advanced.php');
    include_once(WOOCCM_PLUGIN_DIR . 'includes/controller/class-wooccm-premium.php');
    include_once(WOOCCM_PLUGIN_DIR . 'includes/controller/class-wooccm-suggestions.php');
  }
  public function register_scripts()
  {
    global $wp_version;
    // Frontend
    // -----------------------------------------------------------------------
    $checkout = include(WOOCCM_PLUGIN_DIR . 'assets/frontend/js/checkout.asset.php');
    wp_register_style('wooccm', plugins_url('assets/frontend/css/checkout.css', WOOCCM_PLUGIN_FILE), false, WOOCCM_PLUGIN_VERSION, 'all');
    wp_register_script('wooccm-checkout', plugins_url('assets/frontend/js/checkout.js', WOOCCM_PLUGIN_FILE), $checkout['dependencies'], $checkout['version'], true);
    wp_localize_script('wooccm-checkout', 'wooccm_upload', array(
      'ajax_url' => admin_url('admin-ajax.php'),
      'nonce' => wp_create_nonce('wooccm_upload'),
      'limit' => array(
        'max_file_size' => wp_max_upload_size(),
        'max_files' => 4,
        //'mime_types' => $this->get_mime_types(),
      ),
      'icons' => array(
        'interactive' => site_url('wp-includes/images/media/interactive.png'),
        'spreadsheet' => site_url('wp-includes/images/media/spreadsheet.png'),
        'archive' => site_url('wp-includes/images/media/archive.png'),
        'audio' => site_url('wp-includes/images/media/audio.png'),
        'text' => site_url('wp-includes/images/media/text.png'),
        'video' => site_url('wp-includes/images/media/video.png')
      ),
      'message' => array(
        'uploading' => esc_html__('Uploading, please wait...', 'woocommerce-checkout-manager'),
        'saving' => esc_html__('Saving, please wait...', 'woocommerce-checkout-manager'),
        'success' => esc_html__('Files uploaded successfully.', 'woocommerce-checkout-manager'),
        'deleted' => esc_html__('Deleted successfully.', 'woocommerce-checkout-manager'),
      )
    ));
    // Colorpicker
    // ---------------------------------------------------------------------
    wp_register_script('iris', admin_url('js/iris.min.js'), array('jquery-ui-draggable', 'jquery-ui-slider', 'jquery-touch-punch'), $wp_version);
    wp_register_script('wp-color-picker', admin_url('js/color-picker.min.js'), array('iris', 'wp-i18n'), $wp_version);
    wp_localize_script('wp-color-picker', 'wpColorPickerL10n', array(
      'clear' => esc_html__('Clear'),
      'defaultString' => esc_html__('Default'),
      'pick' => esc_html__('Select Color'),
      'current' => esc_html__('Current Color'),
    ));
    wp_register_script('farbtastic', admin_url('js/farbtastic.js'), array('jquery'), $wp_version);
    // Admin
    // -------------------------------------------------------------------------
    
    $upload = include(WOOCCM_PLUGIN_DIR . 'assets/frontend/js/order-upload.asset.php');
    wp_register_script('wooccm-order-upload', plugins_url('assets/frontend/js/order-upload.js', WOOCCM_PLUGIN_FILE), $upload['dependencies'], $upload['version'], true);
    wp_localize_script('wooccm-order-upload', 'wooccm_upload', array(
      'ajax_url' => admin_url('admin-ajax.php?metabox=' . is_admin()),
      'nonce' => wp_create_nonce('wooccm_upload'),
      'message' => array(
        'uploading' => esc_html__('Uploading, please wait...', 'woocommerce-checkout-manager'),
        'saving' => esc_html__('Saving, please wait...', 'woocommerce-checkout-manager'),
        'success' => esc_html__('Files uploaded successfully.', 'woocommerce-checkout-manager'),
        'deleted' => esc_html__('Deleted successfully.', 'woocommerce-checkout-manager'),
      ),
      'icons' => array(
        'interactive' => site_url('wp-includes/images/media/interactive.png'),
        'spreadsheet' => site_url('wp-includes/images/media/spreadsheet.png'),
        'archive' => site_url('wp-includes/images/media/archive.png'),
        'audio' => site_url('wp-includes/images/media/audio.png'),
        'text' => site_url('wp-includes/images/media/text.png'),
        'video' => site_url('wp-includes/images/media/video.png')
      )
    ));
  }
  public function clear_session()
  {
    unset(WC()->session->wooccm);
  }
  public function init_session()
  {
    if (isset(WC()->session) && !WC()->session->wooccm) {
      WC()->session->wooccm = array(
        'fields' => array(),
        'fees' => array(),
        'files' => array(),
      );
    }
  }
  public static function is_min()
  {
    if (!WOOCCM_DEVELOPER && (!defined('SCRIPT_DEBUG') || !SCRIPT_DEBUG)) {
      return '.min';
    }
  }
}