Added caching support to the rss aggregator block.

git-svn-id: http://svn.3rd-infantry-division.org/testing/branches/Bayonet CMS v2@383 c5b2fb0a-d05d-0410-98c8-828840a80ff6

1 files changed, 45 insertions, 6 deletions

diff --git a/blocks/rss_agw/index.php b/blocks/rss_agw/index.php
index c811ecc..0c90e7c 100644
--- a/blocks/rss_agw/index.php
+++ b/blocks/rss_agw/index.php
@@ -1,18 +1,55 @@
 <link rel="stylesheet" type="text/css" href="blocks/rss_agw/style.css" media="screen"/>
 <?php
-
+/*
 function stripBBCode($text_to_search) {
  $pattern = '|[[\/\!]*?[^\[\]]*?]|si';
  $replace = '';
  return preg_replace($pattern, $replace, $text_to_search);
-}
+} */
 
 	include 'rssreader.php';
-		
+	
     $rss = new rss_php;
+    $cacheReadLength = 1024;
+    $cacheFile = dirname(__FILE__) . "/rss.cache";
+	$url = 'http://www.armedglobalwarfare.com/index.php?type=rss;action=.xml;limit=150';
+	
+	
+	if(!file_exists($cacheFile))
+	{
+		decho("creating cache<br/>");
+		$fp = fopen($cacheRead, "x+");
+		fclose($fp);
+	}
+	
+	decho("reading internal cache state<br/>");
+	$internal = fopen($cacheFile, "r");
+	$cacheRead = fread($internal, $cacheReadLength);
+	fclose($internal);
+	
+	decho("reading inbound cache data<br/>");
+	$inbound = fopen($url, "r+");
+	$cacheTempRead = fread($inbound, $cacheReadLength);
+	fclose($inbound);
+	
+	decho("comparing<br/>");
+	if((strncmp($cacheTempRead, $cacheRead, $cacheReadLength)) == 0)
+	{
+		$cacheTemp = implode('', file($url));
+		decho("Length of cached RSS is " . strlen($cacheTemp) . "<br/>");
+		decho("Writing cached data to file <br/>");
+		$cachefp = fopen($cacheFile, "w+");
+		$cacheWritten = fwrite($cachefp, $cacheTemp, strlen($cacheTemp));
+		fclose($cachefp);
+		decho("$cacheWritten bytes written to cache.<br/>");			
+	}
+	else
+	{
+		decho("cache matches external source, using internal<br/>");			
+	}		
 
-    $rss->load('http://www.armedglobalwarfare.com/index.php?type=rss;action=.xml;limit=150');
-
+	$rss->load($cacheFile);
+	
     $items = $rss->getItems(); #returns all rss items
  	
  	$numFeeds = 0;
@@ -21,10 +58,12 @@ function stripBBCode($text_to_search) {
     	if($story['category']=="Tournament Announcements"){
     		$numFeeds++;
     	//	$text = $story['description'];
+    	//	$text = stripBBCode($text);
     	//	$text = preg_replace("(\[font(.+?)...)","",$text);
     		echo "<a href=\"{$story['link']}\" target=\"_blank\"><span class=\"title\">{$story['title']}</span></a><br />
     				<span class=\"date\">{$story['pubDate']}</span><br />";
-			echo "{$text}<br /><br />";    	
+			//echo "{$text}<br /><br />";
+			echo "<br /><hr />";    	
     	}                
     }
     if(!$numFeeds){