How do you hide content from Drupal's search results?

incorrect advice, misread question

Content Template (contemplate) Module for Drupal
by Jeff Robbins | Lullabot | www.lullabot.com

i'm using this one. setting empty template for certain content type do the job.
and i've heard something about "different templates per taxonomy term"?

I've been looking for this capability as well, and the patch above does the trick for me. But there's part of me that things it would be better to handle this on the front end and block certain node types from getting into the index in the first place. This would keep the size of the index down, simplify the retrieval calls to the database, etc.

I've made a couple of attempts to do this by defining update_index and nodeapi hooks for the modules I want to keep out, but I've never been able to get it to work. Does this approach make sense? Thoughts?

how about some kind of wrappable html tag or parameter for content not intended for drupal's own search indexing; i'm looking for something like this, since in my case these nodes are allready hidden from anonymous users (spiders, robots) from the start, using taxonomy_access..

something like:

blah blah normal indexable text but alas, what's this, <span noindex>drupal wouldn't index this here text</span> and then back to indexable text..

would be perfect, if it's not somehow allready possible..

or i guess since span isn't a normally allowed html tag, perhaps a custom tag that is stripped when rendered (for better standards compliance)..?

incidentally i'm using drupal 5, but the subject of the original thread is also what i too am after; tho perhaps more accurately "How do you hide some of a node's content from Drupal's search results?"

Reviving this thread to see if there is a clean way to add the no-index, no-follow, noarchive meta tags per content type?

Below you can find the correct way to force a certain type to be searched without having to modify the core modules. Enjoy, comments in code. In this snippet it forces a certain type, but can be modified to add more criteria if needed that will force content to not be displayed.

function YourModuleName_form_alter($form_id, &$form) {

    //change for only the search form
    if ($form_id=='search_form') {

        //remove the type selection from the advanced menu if shown
        unset($form['advanced']['type']); //no type searching

        //register your own search validate hook
        $form['#validate']['YourModuleName_search_validate'] = array();

        //remove any forced types we might have put in (See below)
        $form['basic']['inline']['keys']['#default_value'] = trim(str_replace('type:story','',$form['basic']['inline']['keys']['#default_value']));
    }
}

function YourModuleName_search_validate($form_id, $form_values, $form) {
        $keys = $form_values['processed_keys'];

        //set the type by forcing "type:story"
        form_set_value($form['basic']['inline']['processed_keys'], 'type:story '.$keys);
}

Also see http://www.lullabot.com/articles/hiding-content-drupals-search-system.

gpk
----
www.alexoria.co.uk

There is a module available that will now allow you to restrict the results to particular content types - and also hide options from the "advanced search"

http://drupal.org/project/search_config

Also http://drupal.org/project/search_restrict (currently for 5.x and 6.x) is a handy simple module that lets you define, on a per content type basis, which roles can have content of that type included in their search results.. very useful if you want admin to get all results but ordinary users a subset. Of course you could always use node access control to do something similar but there might be situations in which you don't want to do it that way.

Try - search restrict module
http://drupal.org/project/search_restrict

(sorry did not see prev. post)

that I needed a whole day to figure out. The important hint I found in the code was

function _node_index_node($node) {
  $node = node_load($node->nid);

  // save the changed time of the most recent indexed node, for the search results half-life calculation
  variable_set('node_cron_last', $node->changed);

  // Build the node body.
  $node->build_mode = NODE_BUILD_SEARCH_INDEX;
  $node = node_build_content($node, FALSE, FALSE);

The node_build_content function is "hooked" to hook_nodeapi ($op = 'view'). What does this mean?

To hide (node) content from the search index only a short piece of code in a custom module foo is necessary:

function foo_nodeapi(&$node, $op, $a3 = NULL, $a4 = NULL){
  
   switch ($op) {
     ....
     case 'view':
       if ($node->build_mode == NODE_BUILD_SEARCH_INDEX){
           
           // be aware of Drupal's filters
           // if the node isn't "full html" an allowed tag <noindex> has to be defined under
           // admin/settings/filters/1/configure
          $htext = $node->body;
           // preg_filter isn't supported in PHP4 and produces HTTP Error 500
           // $ret = preg_filter('/<noindex>(.*?)<\/noindex>/','',$htext);
           $ret = preg_replace('/<noindex>(.*?)<\/noindex>/','',$htext);
           // be aware of linebreaks, if thats happen use something like ([\w\W\s]*?) instead of (.*?)
           $node->body = $ret; 
           $node->content['body']['#value'] = $ret;
                     
        }
  }

All the text between the tag <noindex> and </noindex> would not be indexed because Drupal's search indexer can't see it. Nevertheless the text is displayed on normal node view.

There is any possibility to code further restrictions and tamper other node fields.