<?php   
defined('C5_EXECUTE') or die(_('Access Denied.'));
define('PAULSREDIRECT_TYPE_ID',0);
define('PAULSREDIRECT_TYPE_URL',1);
define('PAULSREDIRECT_TYPE_REFERRER',2);
 
define('PAULSREDIRECT_WHEREMODIFY_NONE',0);
define('PAULSREDIRECT_WHEREMODIFY_FIRSTCHILD',10);
define('PAULSREDIRECT_WHEREMODIFY_LASTCHILD',11);
//define('PAULSREDIRECT_WHEREMODIFY_PREVIOUS',20);
//define('PAULSREDIRECT_WHEREMODIFY_NEXT',21);
define('PAULSREDIRECT_WHEREMODIFY_FIRSTPARENT',30);
define('PAULSREDIRECT_WHEREMODIFY_SECONDPARENT',31);
class PaulsRedirectBlockController extends BlockController {
 
   var $pobj;
 
   protected $btTable = 'btPaulsRedirect';
   protected $btInterfaceWidth = '400';
   protected $btInterfaceHeight = '225';
 
   public $whereExpire=3600;//1hour
 
   public $redirectURL= '';
   public $redirectID= 0;
   public $redirectIDModify=PAULSREDIRECT_WHEREMODIFY_FIRSTCHILD;
   public $redirectType= 0;
   public $redirectIDFirstChild=false;
 
   public $whoOwner=false;
   public $whoRegistered=true;
   public $whoUnregistered=true;
 
   public function getBlockTypeDescription() {
      return t("Cause a page to redirect.");
   }
 
   public function getBlockTypeName() {
      return t("Redirect");
   }
 
   public function isOwner($user){
      return ($this->getBlockObject()->getBlockUserID()==$user->getUserID());
   }
 
   //Redirect
   public function on_start(){
      global $c;
      //currently being edited?
      if ($c->isEditMode()) return;
      //coming from dashboard?
      else if (strstr($_SERVER['HTTP_REFERER'],'/dashboard')) return;//insensitive str?
 
      //doRedirect()
      /*WHO*/
      $u=new User();
      $isRegistered = $u->isRegistered();//?true:false;
      $isOwner=$this->isOwner($u);
      if ($isOwner && !$this->whoOwner) return;
 
      $okOwner=$this->whoOwner && $isOwner;
      $okRegistered=$this->whoRegistered && $isRegistered;
      $okUnregistered=$this->whoUnregistered && !$isRegistered;
 
      if ($okOwner || $okRegistered || $okUnregistered){ //OK to Redirect
         /*WHERE*/
         $redirect=$this->getRedirect();
         if ($redirect){
            try{
               $this->externalRedirect($redirect);   
            }catch(Exception $e){
               $this->redirect($redirect);   
            }
         }
      }
   }
 
   public function getRedirect(){
      $where= Cache::get('block', $this->bID.':where');
      if ($where)
         return $where;
 
      switch($this->redirectType){
         case PAULSREDIRECT_TYPE_ID:
            $page=Page::getByID($this->redirectID);
            //$nh = Loader::helper('navigation');
            Loader::helper('navigation');
 
            //do modifications to redirectID if any
            switch($this->redirectIDModify){
               case PAULSREDIRECT_WHEREMODIFY_FIRSTCHILD:
                  $p=$page->getFirstChild();
                  if (is_object($p)) $page=$p;
               break;
               case PAULSREDIRECT_WHEREMODIFY_LASTCHILD:
                  $p=$page->getFirstChild('cDisplayOrder desc');
                  if (is_object($p)) $page=$p;
               break;
/*
      next_prev controller
      $nextPage=$this->getNextCollection();
      $previousPage=$this->getPreviousCollection();
               case PAULSREDIRECT_WHEREMODIFY_PREVIOUS:
                  $p=Page::getByID($page->getCollectionParentID());
                  if (is_object($p)) $page=$p;
               break;
               case PAULSREDIRECT_WHEREMODIFY_NEXT:
                  $p=Page::getByID($page->getCollectionParentID());
                  if (is_object($p)) $page=$p;
               break;
*/
 
               case PAULSREDIRECT_WHEREMODIFY_FIRSTPARENT:
                  $p=$page->getCollectionParentID();
                  if ($p) {
                     $p=Page::getByID($p);
                     //returns an object always
                     //if (is_object($p)) 
                     $page=$p;
                  }
               break;
               case PAULSREDIRECT_WHEREMODIFY_SECONDPARENT:
                  $p=$page->getCollectionParentID();
                  if ($p) {
                     $p=Page::getByID($p);
                     $page=$p;
                     $p=$page->getCollectionParentID();
                     if ($p) {
                        $p=Page::getByID($p);
                        $page=$p;
                     }
                  }
               break;
 
               default://no modification
            }
            //if redirect points back to this page do no redirect
            if ($page->getCollectionID()==$this->getCollectionObject()->cID)
               //$page=Page::getByID(0);
               $where=null;
            else
               //$page->getCollectionParentID();
               //$where=$nh->getLinkToCollection($page);
               if ($page->getCollectionID()==1)
                  $where=DIR_REL;
               else
                  $where=NavigationHelper::getLinkToCollection($page);
            //$where=View::url('?cID='.$this->redirectID);
         break;
         case PAULSREDIRECT_TYPE_REFERRER:
            $where=$_SERVER['HTTP_REFERER'];
         break;
         default:
         case PAULSREDIRECT_TYPE_ID:
            $where=$this->redirectURL;
      }
 
      //$ca = new Cache();
      Cache::set('block', $this->bID.':where', $where,time()+$this->whereExpire);
 
      return $where;
   }
 
   public function refreshCache() {
      Cache::delete('block', $this->bID.':where');      
   }
 
   public function add() {
      $c=$this->getCollectionObject();
      $redirectID=$this->redirectID;
      if($redirectID<1)
         $redirectID=$c->getCollectionID();
 
      $this->set('redirectURL',$this->redirectURL);
      $this->set('redirectID',$redirectID);
      $this->set('redirectIDModify',$this->redirectIDModify);
      $this->set('redirectType',$this->redirectType);
      $this->set('redirectCID',$c->getCollectionID());
 
      $this->set('whoOwner',$this->whoOwner);
      $this->set('whoRegistered',$this->whoRegistered);
      $this->set('whoUnregistered',$this->whoUnregistered);
 
      //DEL?
      //$this->set('redirectIDFirstChild',$this->redirectIDFirstChild);
   }
   public function edit() {
      $this->add();
   }
   public function view(){ 
      $who=array();
      if ($this->whoOwner and $this->whoRegistered and $this->whoUnregistered)
         $who[]='Everyone';
      else if(!$this->whoOwner and !$this->whoRegistered and !$this->whoUnregistered)
         $who[]='No one';
      else{
         if ($this->whoOwner) $who[]='Block Owner';
         if ($this->whoRegistered) $who[]='Registered';
         if ($this->whoUnregistered) $who[]='Unregistered';
      }
      $viewWho=' for '.implode($who,', ');
      $this->set('viewWho',$viewWho);
      $this->set('redirect', $this->getRedirect());   
      //$this->set('showRegisterLink', $this->showRegisterLink); 
      //$this->set('returnToSamePage', $this->returnToSamePage); 
   }
 
   public function save($data) { 
      $args['redirectType']=$data['redirectType'];
      $args['redirectID']=$data['redirectID'];
      $args['redirectIDModify']=$data['redirectIDModify'];
      $args['redirectURL']=$data['redirectURL'];
 
      $args['whoOwner']=$data['whoOwner']?1:0;
      $args['whoRegistered']=$data['whoRegistered']?1:0;
      $args['whoUnregistered']=$data['whoUnregistered']?1:0;
      //print_r($args);
 
      //DEL?
      //$args['redirectIDFirstChild']=$data['redirectIDFirstChild'];
 
      //$args['redirectURL'] = ($args['cParentID'] == 'OTHER') ? $args['cParentIDValue'] : $args['enterURL'];
      //$args['showRegisterLink'] = intval($data['showRegisterLink']);   
      //$args['returnToSamePage'] = intval($data['returnToSamePage']);         
      parent::save($args);
 
      $this->refreshCache();
   }
//TODO:create an uninstall feature that will call on refreshCacheALL to clear all cache, in case of immediate reinstall 
}
 
?>