<?php 
defined('C5_EXECUTE') or die("Access Denied.");
 
class SearchBlockController extends BlockController {
 
   protected $btTable = 'btSearch';
   protected $btInterfaceWidth = "400";
   protected $btInterfaceHeight = "170";
 
   public $title = "";
   public $buttonText = ">"; 
   public $baseSearchPath = "";
   public $resultsURL = "";
 
   protected $hColor = '#EFE795';
 
   public function highlightedMarkup($fulltext, $highlight) {
      $this->hText = $fulltext;
      $this->hHighlight  = str_replace(array('"',"'","""),'',$highlight); // strip the quotes as they mess the regex
      $this->hText = @preg_replace( "#$this->hHighlight#i", '<span style="background-color:'. $this->hColor .';">$0</span>', $this->hText );   
      return $this->hText; 
   }
 
   public function highlightedExtendedMarkup($fulltext, $highlight) {
      $text = @preg_replace("#\n|\r#", ' ', $fulltext);
 
      $matches = array();
      $highlight = str_replace(array('"',"'","""),'',$highlight); // strip the quotes as they mess the regex
 
      $regex = '([a-z|A-Z|0-9|\.|_|\s]{0,45})'. $highlight .'([a-z|A-Z|0-9|\.|_|\s]{0,45})';
      preg_match_all("#$regex#i", $text, $matches);
 
      if(!empty($matches[0])) {
         $body_length = 0;
         $body_string = array();
         foreach($matches[0] as $line) {
            $body_length += strlen($line);
 
            $body_string[] = $this->highlightedMarkup($line, $highlight);
 
            if($body_length > 150)
               break;
         }
         if(!empty($body_string))
            return @implode("....", $body_string);
      }
   }
 
   /** 
    * Used for localization. If we want to localize the name/description we have to include this
    */
   public function getBlockTypeDescription() {
      return t("Add a search box to your site.");
   }
 
   public function getBlockTypeName() {
      return t("Search");
   }      
 
   public function getJavaScriptStrings() {
      return array('search-title' => t('Please enter a valid search title.'));
   }
 
   function __construct($obj = null) {      
      parent::__construct($obj);
      if ($this->title == '') {
         $this->title=t("Search");
      }
   }
 
   public function indexExists() {
      $db = Loader::db();
      $numRows = $db->GetOne('select count(cID) from PageSearchIndex');
      return ($numRows > 0);
   }
 
   function view(){
      $c = Page::getCurrentPage(); 
      $this->set('title', $this->title);
      $this->set('buttonText', $this->buttonText);
      $this->set('baseSearchPath', $this->baseSearchPath);         
 
      //auto target is the form action that is used if none is explicity set by the user
      $autoTarget= $c->getCollectionPath();
      /* 
       * This code is weird. I don't know why it's here or what it does 
 
      if( is_array($_REQUEST['search_paths']) ){
         foreach($_REQUEST['search_paths'] as $search_path){
            $autoTarget=str_replace('search_paths[]='.$search_path,'',$autoTarget);
            $autoTarget=str_replace('search_paths%5B%5D='.$search_path,'',$autoTarget);
         }
      }
      $autoTarget=str_replace('page='.$_REQUEST['page'],'',$autoTarget);
      $autoTarget=str_replace('submit='.$_REQUEST['submit'],'',$autoTarget);
      $autoTarget=str_replace(array('&&&&','&&&','&&'),'',$autoTarget);
      */
 
      $resultTargetURL = ($this->resultsURL != '') ? $this->resultsURL : $autoTarget;         
      $this->set('resultTargetURL', $resultTargetURL);
 
      //run query if display results elsewhere not set, or the cID of this page is set
      if( !empty($_REQUEST['query']) || isset($_REQUEST['akID']))  { 
         $this->do_search();
      }                  
   }
 
   function save($data) { 
      $args['title'] = isset($data['title']) ? $data['title'] : '';
      $args['buttonText'] = isset($data['buttonText']) ? $data['buttonText'] : '';
      $args['baseSearchPath'] = isset($data['baseSearchPath']) ? $data['baseSearchPath'] : '';
      if( $args['baseSearchPath']=='OTHER' && intval($data['searchUnderCID'])>0 ){
         $customPathC = Page::getByID( intval($data['searchUnderCID']) );
         if( !$customPathC )   $args['baseSearchPath']='';
         else $args['baseSearchPath'] = $customPathC->getCollectionPath();
      }
      if( trim($args['baseSearchPath'])=='/' || strlen(trim($args['baseSearchPath']))==0 )
         $args['baseSearchPath']='';   
      $args['resultsURL'] = ( $data['externalTarget']==1 && strlen($data['resultsURL'])>0 ) ? trim($data['resultsURL']) : '';      
      parent::save($args);
   }
 
   public $reservedParams=array('page=','query=','search_paths[]=','submit=','search_paths%5B%5D=' );
 
   function do_search() {
      $q = $_REQUEST['query'];
      // i have NO idea why we added this in rev 2000. I think I was being stupid. - andrew
      // $_q = trim(preg_replace('/[^A-Za-z0-9\s\']/i', ' ', $_REQUEST['query']));
 
      // $_q = $q; // Not needed anymore as we use the for-loop to create this var
 
      $qa = explode(" ",$q); // Cutting the Query into pieces
      $counter = count($qa); // Counting the number of query words
      $cIDarray = array(); // This is needed later to check for double results
 
      Loader::library('database_indexed_search');
      $ipl = new IndexedPageList();
 
      for ($i=0; $i<$counter; $i++) { // Looping the complet search-stuff below as long as query words are available
         // echo $qa[$i] . "<br>"; //DEBUG
         $_q = $qa[$i];
 
      $aksearch = false;
      if (is_array($_REQUEST['akID'])) {
         Loader::model('attribute/categories/collection');
         foreach($_REQUEST['akID'] as $akID => $req) {
            $fak = CollectionAttributeKey::getByID($akID);
            if (is_object($fak)) {
               $type = $fak->getAttributeType();
               $cnt = $type->getController();
               $cnt->setAttributeKey($fak);
               $cnt->searchForm($ipl);
               $aksearch = true;
            }
         }
      }
 
      if (empty($_REQUEST['query']) && $aksearch == false) {
         return false;      
      }
 
      $ipl->setSimpleIndexMode(true);
      if (isset($_REQUEST['query'])) {
         $ipl->filterByKeywords($_q);
      }
 
      if( is_array($_REQUEST['search_paths']) ){ 
 
         foreach($_REQUEST['search_paths'] as $path) {
            if(!strlen($path)) continue;
            $ipl->filterByPath($path);
         }
      }
 
      $dump = $ipl->getPage();
      $resultcID = $dump[0]['cID'];
 
      if(!in_array($resultcID, $cIDarray, true)) { //Here it checks for an already fetched cID
 
         $res = $ipl->getPage();
 
         $resultcID = "";
         $cIDarray[] = $res[0]['cID'];
 
 
         foreach($res as $r) { 
            $results[] = new IndexedSearchResult($r['cID'], $r['cName'], $r['cDescription'], $r['score'], $r['cPath'], $r['content']);
         }
 
         $this->set('query', $q);
         $this->set('paginator', $ipl->getPagination());
         $this->set('results', $results);
         $this->set('do_search', true);
      }
 
   }      
   }
}
 
?>