patchwork.js

<?php 
require_once("ui.inc");
require_once("utils.inc");
require_once("dbapi.inc");


// Return an array of frame times for each page.
$gNumUrls = getParam('n');
$gLabel1 = getParam('l1');
if ( ! $gNumUrls || ! $gLabel1 ) {
	exit();
}
$gLabel2 = getParam('l2');
$gCallback = getParam('callback');
$wptServer = wptServer();
$msMax = 0;

// Find the topmost URLs in both crawls:
$limitgoogle = "(url = 'http://www.google.com/' OR url not like '%://www.google.%')"; // There are 10+ sites that all look the same from Google intl sites
$maxRank = 5 * $gNumUrls; // we get back MORE results than needed so we can filter out adult content
$query = "select url, count(*) as num from $gPagesTable, $gUrlsTable as u where (label = '$gLabel1' or label = '$gLabel2') and url=urlOrig and u.rank > 0 and u.rank < $maxRank and $limitgoogle group by url having num=2 order by u.rank asc;";
$result = doQuery($query);
$i = 0;
$sUrls = "";
while ($row = mysql_fetch_assoc($result)) {
	$url = $row['url'];
	if ( ! isAdultContent($url) ) {
		$sUrls .= ", '$url'";
		$i++;
		if ( $i >= $gNumUrls ) {
			break;
		}
	}
}
$sUrls = substr($sUrls, 1); // remove leading ","
mysql_free_result($result);

echoInfo($gLabel1, $sUrls);
echoInfo($gLabel2, $sUrls);

echo "\nmsMax = $msMax;\n" .
	( $gCallback ? "$gCallback();\n" : "" );


function echoInfo($label, $sUrls) {
	global $gPagesTable, $gUrlsTable, $msMax, $maxRank, $wptServer;
	// Echo the frame times, wptid, and wptrun info for the pages in JS format.
	$query = "select pageid, url, wptid, wptrun from $gPagesTable, $gUrlsTable as u where label='$label' and urlOrig=url and u.rank > 0 and u.rank <= $maxRank and url in ($sUrls) order by u.rank asc;";
	$result = doQuery($query);
	while ($row = mysql_fetch_assoc($result)) {
		$url = $row['url'];
		$pageid = $row['pageid'];
		$wptid = $row['wptid'];
		$wptrun = $row['wptrun'];

		$xmlurl = "{$wptServer}xmlResult.php?test=$wptid";
		$xmlstr = fetchUrl($xmlurl);
		$xml = new SimpleXMLElement($xmlstr);
		$frames = $xml->data->run[($wptrun - 1)]->firstView->videoFrames;
		if ( $frames->frame ) {
			$sJS = "";
			foreach($frames->frame as $frame) {
				$ms = floatval($frame->time) * 1000;
				$msMax = max($msMax, $ms);
				$sJS .= ( $sJS ? ", " : "" ) . "$ms: 1"; // must NOT end with a comma - poop
			}
			echo "hPages[$pageid] = {" . $sJS . "};\n" . 
				"hPageInfo[$pageid] = ['$wptid', $wptrun];\n";
		}
	}
	mysql_free_result($result);
}
?>