<?php
/*
 *      OpenSourceClassifieds – software for creating and publishing online classified
 *                           advertising platforms
 *
 *                        Copyright (C) 2011 OpenSourceClassifieds
 *
 *       This program is free software: you can redistribute it and/or
 *     modify it under the terms of the GNU Affero General Public License
 *     as published by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
 *
 *      You should have received a copy of the GNU Affero General Public
 * License along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/
if (!defined('__FROM_CRON__')) 
{
	define('__FROM_CRON__', true);
}
function update_cat_stats() 
{
	$categoryTotal = array();
	$categoryTree = array();
	$aCategories = Category::newInstance()->listAll(false);
	// append root categories and get the number of items of each category
	foreach ($aCategories as $category) 
	{
		$total = Item::newInstance()->numItems($category, true, true);
		$category+= array('category' => array());
		if (is_null($category['fk_i_parent_id'])) 
		{
			$categoryTree+= array($category['pk_i_id'] => $category);
		}
		$categoryTotal+= array($category['pk_i_id'] => $total);
	}
	// append childs to root categories
	foreach ($aCategories as $category) 
	{
		if (!is_null($category['fk_i_parent_id'])) 
		{
			$categoryTree[$category['fk_i_parent_id']]['category'][] = $category;
		}
	}
	// sum the result of the subcategories and set in the parent category
	foreach ($categoryTree as $category) 
	{
		if (count($category['category']) > 0) 
		{
			foreach ($category['category'] as $subcategory) 
			{
				$categoryTotal[$category['pk_i_id']]+= $categoryTotal[$subcategory['pk_i_id']];
			}
		}
	}
	foreach ($categoryTotal as $k => $v) 
	{
		CategoryStats::newInstance()->setNumItems($k, $v);
	}
}
function purge_latest_searches_hourly() 
{
	$purge = osc_purge_latest_searches();
	if ($purge == 'hour') 
	{
		LatestSearches::newInstance()->purgeDate(date('Y-m-d H:i:s', (time() - 3600)));
	}
	else if (!in_array($purge, array('forever', 'day', 'week'))) 
	{
		LatestSearches::newInstance()->purgeNumber($purge);
	}
}
osc_add_hook('cron_hourly', 'update_cat_stats');
osc_add_hook('cron_hourly', 'purge_latest_searches_hourly');
osc_runAlert('HOURLY');
osc_run_hook('cron_hourly');