<?php
/**
  *
  * ver. 0.4  add Resubmit code to Yahoo! (need Yahoo! Application ID)
  * ver. 0.41 Fix $this->blogid as undifined and $lastmod undifined
  *
  **/
 
class NP_Lastmod extends NucleusPlugin
{
	function getName()
	{
		return 'Lastmod';
	}
 
	function getAuthor()
	{
		return 'HIGUCHI, Osamu';
	}
 
	function getURL()
	{
		return 'http://www.higuchi.com/';
	}
 
	function getVersion()
	{
		return '0.41';
	}
 
	function getDescription()
	{
		return 'Template variable for the date/time of the newest comment of an item. Also resubmits ping to Google Sitemaps.';
	}
	
	function supportsFeature($what)
	{ 
		switch($what){
			case 'SqlTablePrefix':
				return 1;
				break;
			default:
				return 0;
				break;
		} 
	}
	
	function getMinNucleusVersion()
	{
		return 220;
	}
 
	function install()
	{
		$this->createBlogOption('sitemaps', 'Sitemap URLs',                'textarea', '');
		$this->createBlogOption('YahooAPID','Your Yahoo! Application ID',  'text',     '');
	}
 
	function uninstall()
	{
		$this->deleteBlogOption('sitemaps');
		$this->deleteBlogOption('YahooAPID');
	}
 
	function getEventList()
	{
		return array(
			'PostAddItem'
		);
	}
 
	function sendPing($sitemaps, $blogid) //<mod by shizuki /> add $blogid on ver.0.4
	{
		$sitemap = preg_split ("/[\s,]+/", $sitemaps);
		$yahooID = $this->getBlogOption($blogid, 'YahooAPID');
		foreach ($sitemap as $target) {
			@readfile("http://www.google.com/webmasters/sitemaps/ping?sitemap=" . urlencode($target));
// <mod by shizuki on ver.0.4>
			if ($yahooID != '') {
				$url = 'http://search.yahooapis.com/SiteExplorerService/V1/updateNotification?appid='
					 . $yahooID . '&url=' . urlencode($b_url . $target);
				$url = preg_replace('|[^a-zA-Z0-9-~+_.?#=&;,/:@%]|i', '', $url);
				$fp  = @fopen($url, 'r');
				@fclose($fp);
			}
// </mod by shizuki on ver.0.4>
		}
	}
	
	function event_PostAddItem($data)
	{
		global $manager, $DIR_LIBS;
// <mod by shizuki on ver.0.4> '$this->myBlogId' to '$myBlogId' </mod by shizuki on ver.0.4>
		$myBlogId = getBlogIDFromItemID(intval($data->itemid));
		if ($sitemaps = $this->getBlogOption($myBlogId, 'sitemaps')) {
			$itemid = $data->itemid;
			$item =& $manager->getItem($itemid, 0, 0);
			if (!$item) return; // don't ping for draft & future
			if ($item->draft) return; // don't ping on draft items (need it?)
			$this->sendPing($sitemaps, $myBlogId); // <mod by shizuki on ver.0.4 /> add $myBlogid
		}
		return;
	}
 
	function doTemplateVar(&$item)
	{
// <mod by shizuki on ver.0.41>
		global $manager;
		$ltime = false;
		$query = "SELECT MAX(UNIX_TIMESTAMP(ctime)) AS result"
			   . " FROM " . sql_table('comment')
			   . " WHERE citem = " . $item->itemid;
		$ctime = quickQuery($query);
		if ($ctime) {
			$ltime = $ctime;
		} elseif ($manager->pluginInstalled('NP_UpdateTime')) {
			$query = "SELECT UNIX_TIMESTAMP(updatetime) AS result "
				   . " FROM " . sql_table('plugin_rectime')
				   . " WHERE up_id=" . intval($item->itemid);
			$itime = quickQuery($que);
			if ($iteme) {
				$ltime = $itime;
			}
		}
		if (!$ltime) {
			$ltime = $item->timestamp;
		}
		$b = $manager->getBlog(getBlogIDFromItemID($item->itemid));
		echo formatDate('utc', $ltime, '', $b);
// </mod by shizuki on ver.0.41>
/* <original code>
		$cr = sql_query("SELECT UNIX_TIMESTAMP(ctime) AS ct FROM ".sql_table('comment')." WHERE citem =" . $item->itemid . " ORDER BY ctime DESC LIMIT 1" );
		if (mysql_num_rows($cr) > 0) {
			$lc = mysql_fetch_object($cr);
			$lastmod = $lc->ct;
		} else {
// <mod by shizuki>
			global $manager;
			if ($manager->pluginInstalled('NP_UpdateTime')) {
				$que = "SELECT UNIX_TIMESTAMP(updatetime) AS result "
						. " FROM " . sql_table('plugin_rectime')
						. " WHERE up_id=" . intval($item->itemid);
				$cr  = quickQuery($que);
				$lastmod = ($cr) ? $cr : $item->timestamp;
// </mod by shizuki>
/* <original code>
			$cr=@mysql_query("SELECT UNIX_TIMESTAMP(updatetime) AS ut FROM ".sql_table('plugin_rectime')." WHERE up_id=" . $item->itemid );
			if (@mysql_num_rows($cr) > 0) { // NP_UpdateTime exists and update time recorded
				$lc = mysql_fetch_object($cr);
				$lastmod = $lc->ut;
			} else {
				$lastmod = $item->timestamp;
			}
		}
		echo formatDate('utc', $lastmod, '', $this->blog);
/* </original code>*/
	}
}
?>