<?php

/*
OneLobby
Copyright (C) 2007 Peter Goodman, Geoffrey Goodman

This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
*/

//-------------------------------------------------
// Search controller for handling thread, comment
// and faq searches.
//-------------------------------------------------

class SearchController extends k4PageController {
	
	function getPreFilters() 
	{
		return array('request', 'session', 'user', 'debug_pre', 'template');
	}
	
	function getPostFilters() 
	{
		return array('user_post', 'debug_post', 'history_post');
	}
	
	//--------------------------------------------
	// Show the search form.
	//--------------------------------------------
	
	function index(&$reg, &$req, &$resp) 
	{
		$resp->assign('content', 'search_index.html');
		$this->setPage('Search');
		$this->setLayout('forum_base.html');
	}
	
	//--------------------------------------------
	// Search for stuff and return the results!
	//--------------------------------------------
	
	function find(&$reg, &$req, &$resp)
	{
		$info = &new InformationDisplay($reg, $req, $resp);
		
		//--------------------------------------------
		// Error checks...
		//--------------------------------------------
		
		if($req->get('search_query') && strlen_utf($req->get('search_query')) >= 3)
		{
			$search_where = $req->get('search_where') && is_array($req->get('search_where')) ? $req->get('search_where') : array(); 
			$search_where_threads = $req->get('search_where_threads') && is_array($req->get('search_where_threads')) ? $req->get('search_where_threads') : array();
			$search_where_faq = $req->get('search_where_faq') && is_array($req->get('search_where_faq')) ? $req->get('search_where_faq') : array();

			//--------------------------------------------
			// Search everything!
			//--------------------------------------------

			if(in_array('categories', $search_where)) $this->_searchCategories($reg, $req, $resp);
			if(in_array('comments', $search_where)) $this->_searchComments($reg, $req, $resp);
			if(in_array('faq', $search_where)) $this->_searchFaq($reg, $req, $resp, $search_where_faq);
			if(in_array('tags', $search_where)) $this->_searchTags($reg, $req, $resp);
			if(in_array('threads', $search_where)) $this->_searchThreads($reg, $req, $resp, $search_where_threads);
			if(in_array('users', $search_where)) $this->_searchUsers($reg, $req, $resp);
		}
		else
		{
			$resp->assign('search_error', TRUE);
		}
		
		//--------------------------------------------
		// Don't toggle the quick search options ddmenu.
		//--------------------------------------------
		
		$resp->assign('show_qs_where', 0);
		
		//--------------------------------------------
		// Display the results.
		//--------------------------------------------
		
		$resp->assign('search_query', $req->get('search_query'));
		$resp->assign('content', 'search_results.html');
		$this->setPage('Search Results');
		$this->setLayout('forum_base.html');
	}
	
	//--------------------------------------------
	// Search the FAQ.
	//--------------------------------------------
	
	function _searchFAQ(&$reg, &$req, &$resp, $where)
	{
		$search_where = array();
		
		if(in_array('question', $where)) 
		{
			$resp->assign('search_faq_question', 1);
			$search_where[] = 'question';
		}
		if(in_array('answer', $where)) 
		{
			$resp->assign('search_faq_answer', 1);
			$search_where[] = 'answer';
		}
		
		if(!empty($search_where))
		{
			$finder = &$this->getFinder('faq_items');
			$results = &$finder->searchAllWhere($search_where, "", array($req->get('search_query')), "search_score DESC", "item_id HAVING search_score > 0.2");
			$resp->assignRef('search_results_faq', $results);
			$resp->assign('search_faq', 1);
		}
	}
	
	//--------------------------------------------
	// Search the tags.
	//--------------------------------------------
	
	function _searchTags(&$reg, &$req, &$resp)
	{
		$finder = &$this->getFinder('tags');
		$results = &$finder->selectAllWhere(FALSE, "ts.tag_name LIKE ?", array('%'. $req->get('search_query') .'%'));
		$resp->assignRef('search_results_tags', $results);
		$resp->assign('search_tags', 1);
	}
	
	//--------------------------------------------
	// Search the categories.
	//--------------------------------------------
	
	function _searchCategories(&$reg, &$req, &$resp)
	{
		$finder = &$this->getFinder('categories');
		$results = &$finder->searchAllWhere(array('name'), "", array($req->get('search_query')), "search_score DESC", "c.category_id HAVING search_score > 0.2");
		$resp->assignRef('search_results_categories', $results);
		$resp->assign('search_categories', 1);
	}
	
	//--------------------------------------------
	// Search the threads.
	//--------------------------------------------
	
	function _searchThreads(&$reg, &$req, &$resp, $where)
	{
		$search_where = array();
		
		if(in_array('name', $where)) {
			$resp->assign('search_thread_names', 1);
			$search_where[] = 'name';
		}
		if(in_array('body', $where)) 
		{
			$resp->assign('search_thread_body', 1);
			$search_where[] = 'body';
		}
		
		if(!empty($search_where))
		{
			$finder = &$this->getFinder('threads');
			$results = &$finder->searchAllWhere($search_where, "", array($req->get('search_query')), "t.created DESC, search_score DESC", "t.thread_id HAVING search_score > 0.2");
			$resp->assignRef('search_results_threads', $results);
			$resp->assign('search_threads', 1);
		}
	}
	
	//--------------------------------------------
	// Search the users.
	//--------------------------------------------
	
	function _searchUsers(&$reg, &$req, &$resp)
	{
		$finder = &$this->getFinder('users');
		$results = &$finder->selectAllWhere(FALSE, "LOWER(name) LIKE LOWER(?)", array('%'. $req->get('search_query') .'%'));
		$resp->assignRef('search_results_users', $results);
		$resp->assign('search_users', 1);
	}
	
	//--------------------------------------------
	// Search the Comments.
	//--------------------------------------------
	
	function _searchComments(&$reg, &$req, &$resp)
	{
		$finder = &$this->getFinder('comments');
		$results = &$finder->searchAllWhere(array('body'), "", array($req->get('search_query')), "search_score DESC");
		$resp->assignRef('search_results_comments', $results);
		$resp->assign('search_comments', 1);
	}
}

?>