<?php
/*
 +--------------------------------------------------------------------+
 | Copyright CiviCRM LLC. All rights reserved.                        |
 |                                                                    |
 | This work is published under the GNU AGPLv3 license with some      |
 | permitted exceptions and without any warranty. For full license    |
 | and copyright information, see https://civicrm.org/licensing       |
 +--------------------------------------------------------------------+
 */

/**
 *
 * @package CRM
 * @copyright CiviCRM LLC https://civicrm.org/licensing
 */

/**
 *
 */
class CRM_Core_Permission_Standalone extends CRM_Core_Permission_Base {

  /**
   * permission mapping to stub check() calls
   * @var array
   */
  public $permissions = NULL;

  /**
   * Given a permission string, check for access requirements
   *
   * @param string $str
   *   The permission to check.
   * @param int $userId
   *
   * @return bool
   *   true if yes, else false
   */
  public function check($str, $userId = NULL) {
    if ($str == CRM_Core_Permission::ALWAYS_DENY_PERMISSION) {
      return FALSE;
    }
    if ($str == CRM_Core_Permission::ALWAYS_ALLOW_PERMISSION) {
      return TRUE;
    }
    // return the stubbed permission (defaulting to true if the array is missing)
    return isset($this->permissions) && is_array($this->permissions) ? in_array($str, $this->permissions) : TRUE;
  }

  /**
   * Get the permissioned where clause for the user.
   *
   * @param int $type
   *   The type of permission needed.
   * @param array $tables
   *   (reference ) add the tables that are needed for the select clause.
   * @param array $whereTables
   *   (reference ) add the tables that are needed for the where clause.
   *
   * @return string
   *   the group where clause for this user
   */
  public function whereClause($type, &$tables, &$whereTables) {
    return '( 1 )';
  }

}
