<?php

  namespace Sabre\CalDAV;
  
  use Sabre\DAVACL\PrincipalBackend;

  /**
   * Calendars collection
   *
   * This object is responsible for generating a list of calendar-homes for each
   * user.
   *

   * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
   * @author Evert Pot (http://evertpot.com/)
   * @license http://sabre.io/license/ Modified BSD License

   */

  class CalendarRootNode extends \Sabre\DAVACL\AbstractPrincipalCollection {

  
      /**
       * CalDAV backend
       *

       * @var Sabre\CalDAV\Backend\BackendInterface

       */
      protected $caldavBackend;
  
      /**
       * Constructor
       *
       * This constructor needs both an authentication and a caldav backend.
       *
       * By default this class will show a list of calendar collections for
       * principals in the 'principals' collection. If your main principals are
       * actually located in a different path, use the $principalPrefix argument
       * to override this.
       *

       * @param PrincipalBackend\BackendInterface $principalBackend
       * @param Backend\BackendInterface $caldavBackend

       * @param string $principalPrefix
       */

      public function __construct(PrincipalBackend\BackendInterface $principalBackend,Backend\BackendInterface $caldavBackend, $principalPrefix = 'principals') {

  
          parent::__construct($principalBackend, $principalPrefix);
          $this->caldavBackend = $caldavBackend;
  
      }
  
      /**
       * Returns the nodename
       *
       * We're overriding this, because the default will be the 'principalPrefix',

       * and we want it to be Sabre\CalDAV\Plugin::CALENDAR_ROOT

       *
       * @return string
       */
      public function getName() {

          return Plugin::CALENDAR_ROOT;

  
      }
  
      /**
       * This method returns a node for a principal.
       *
       * The passed array contains principal information, and is guaranteed to
       * at least contain a uri item. Other properties may or may not be
       * supplied by the authentication backend.
       *
       * @param array $principal

       * @return \Sabre\DAV\INode

       */
      public function getChildForPrincipal(array $principal) {

          return new UserCalendars($this->caldavBackend, $principal);

  
      }
  
  }