<?php
////
// Author: Sean Colombo
// Date: 20070217
// ModD: 20080321 - Ported from Pedlr to doItLater.  This is just for the page class.  Other caching is done using the Cache class.
//
// Caching functions for Page class.
// Functions:
//	checkCache()
//	cachePage()
//
// TODO: Consider having this file use the Cache class.
////

////
// Checks the cache, and if available with the given duration,
// prints the stored data and exits.
////
function checkCache($keyName, $duration="10 MINUTE"){
	$db = dil_connect();
	$queryString = "SELECT pageData FROM pageCache WHERE keyName='$keyName' AND updatedAt > (NOW() - INTERVAL $duration)";
	if($result = mysql_query($queryString,$db)){
		if(($numRows = mysql_num_rows($result)) && ($numRows > 0)){
			$cnt = 0;
			$pageData = mysql_result($result, $cnt, "pageData");
			print $pageData;
			exit;
		}
	}
} // end checkCache()

////
// Stores page data (complete, raw html) in the page cache.
////
function cachePage($keyName, $pageData){
	$pageData = str_replace("'", "\\'", $pageData);
	return sendQuery("REPLACE INTO pageCache (keyName, pageData) VALUES ('$keyName', '$pageData')");
} // end cachePage()

?>