--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/stats-fe.php	Mon Aug 25 12:34:26 2008 -0400
@@ -0,0 +1,84 @@
+<?php
+
+/**
+ * Frontend for statistics data. Handles fetching and calculating data from raw statistics stored in stats-data.php.
+ * @package EnanoBot
+ * @subpackage stats
+ * @author Dan Fuhry <dan@enanocms.org>
+ */
+
+if ( !isset($GLOBALS['stats_data']) )
+{
+  require(dirname(__FILE__) . '/stats-data.php');
+  $data =& $stats_data;
+}
+
+define('NOW', time());
+
+/**
+ * Gets the number of messages posted in IRC in the last X minutes.
+ * @param string Channel
+ * @param int Optional - time period for message count. Defaults to 10 minutes.
+ * @param int Optional - Base time, defaults to right now
+ * @return int
+ */
+
+function stats_message_count($channel, $mins = 10, $base = NOW)
+{
+  global $data;
+  
+  $time_min = $base - ( $mins * 60 );
+  $time_max = $base;
+  
+  if ( !isset($data['messages'][$channel]) )
+  {
+    return 0;
+  }
+  
+  $count = 0;
+  foreach ( $data['messages'][$channel] as $message )
+  {
+    if ( $message['time'] >= $time_min && $message['time'] <= $time_max )
+    {
+      $count++;
+    }
+  }
+  
+  return $count;
+}
+
+/**
+ * Gets the percentages as to who's posted the most messages in the last X minutes.
+ * @param string Channel name
+ * @param int Optional - How many minutes, defaults to 10
+ * @param int Optional - Base time, defaults to right now
+ * @return array Associative, with floats.
+ */
+
+function stats_activity_percent($channel, $mins = 10, $base = NOW)
+{
+  global $data;
+  if ( !($total = stats_message_count($channel, $mins, $base)) )
+  {
+    return array();
+  }
+  $results = array();
+  $usercounts = array();
+  $time_min = $base - ( $mins * 60 );
+  $time_max = $base;
+  foreach ( $data['messages'][$channel] as $message )
+  {
+    if ( $message['time'] >= $time_min && $message['time'] <= $time_max )
+    {
+      if ( !isset($usercounts[$message['nick']]) )
+        $usercounts[$message['nick']] = 0;
+      $usercounts[$message['nick']]++;
+    }
+  }
+  foreach ( $usercounts as $nick => $count )
+  {
+    $results[$nick] = $count / $total;
+  }
+  arsort($results);
+  return $results;
+}