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<?php
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/**
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* Frontend for statistics data. Handles fetching and calculating data from raw statistics stored in stats-data.php.
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* @package EnanoBot
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* @subpackage stats
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* @author Dan Fuhry <dan@enanocms.org>
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*/
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$stats_merged_data = array('counts' => array(), 'messages' => array());
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$stats_data =& $stats_merged_data;
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8
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15
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define('ENANOBOT_ROOT', dirname(__FILE__));
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define('NOW', time());
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/**
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* Gets the number of messages posted in IRC in the last X minutes.
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* @param string Channel
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* @param int Optional - time period for message count. Defaults to 10 minutes.
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* @param int Optional - Base time, defaults to right now
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* @return int
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*/
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function stats_message_count($channel, $mins = 10, $base = NOW)
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{
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global $stats_merged_data;
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$time_min = $base - ( $mins * 60 );
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$time_max = $base;
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if ( !isset($stats_merged_data['messages'][$channel]) )
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{
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return 0;
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}
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$count = 0;
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foreach ( $stats_merged_data['messages'][$channel] as $message )
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{
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if ( $message['time'] >= $time_min && $message['time'] <= $time_max )
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{
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$count++;
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}
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}
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return $count;
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}
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/**
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* Gets the percentages as to who's posted the most messages in the last X minutes.
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* @param string Channel name
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* @param int Optional - How many minutes, defaults to 10
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* @param int Optional - Base time, defaults to right now
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* @return array Associative, with floats.
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*/
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function stats_activity_percent($channel, $mins = 10, $base = NOW)
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{
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global $stats_merged_data;
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if ( !($total = stats_message_count($channel, $mins, $base)) )
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{
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return array();
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}
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$results = array();
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$usercounts = array();
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$time_min = $base - ( $mins * 60 );
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$time_max = $base;
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foreach ( $stats_merged_data['messages'][$channel] as $message )
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{
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if ( $message['time'] >= $time_min && $message['time'] <= $time_max )
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{
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if ( !isset($usercounts[$message['nick']]) )
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$usercounts[$message['nick']] = 0;
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$usercounts[$message['nick']]++;
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}
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}
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foreach ( $usercounts as $nick => $count )
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{
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$results[$nick] = $count / $total;
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}
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arsort($results);
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return $results;
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}
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/**
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* Loads X days of statistics, minimum.
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* @param int Days to load, default is 1
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*/
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function load_stats_data($days = 1)
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{
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$days++;
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for ( $i = 0; $i < $days; $i++ )
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{
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$day = NOW - ( $i * 86400 );
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$day = gmdate('Ymd', $day);
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if ( file_exists(ENANOBOT_ROOT . "/stats/stats-data-$day.php") )
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{
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require(ENANOBOT_ROOT . "/stats/stats-data-$day.php");
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stats_merge($stats_data);
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}
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}
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}
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/**
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* Return the time that the stats DB was last updated.
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* @return int
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*/
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function stats_last_updated()
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{
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$day = gmdate('Ymd');
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$file = ENANOBOT_ROOT . "/stats/stats-data-$day.php";
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return ( file_exists($file) ) ? filemtime($file) : 0;
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}
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/**
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* Merges a newly loaded stats array with the current cache in RAM.
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* @param array Data to merge
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* @access private
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*/
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function stats_merge($data)
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{
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global $stats_merged_data;
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if ( isset($data['counts']) )
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{
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foreach ( $data['counts'] as $channel => $chaninfo )
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{
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if ( isset($stats_merged_data['counts'][$channel]) )
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{
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foreach ( $stats_merged_data['counts'][$channel] as $key => &$value )
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{
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if ( is_int($value) )
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{
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$value = max($value, $chaninfo[$key]);
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}
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else if ( is_array($value) )
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{
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$value = array_merge($value, $chaninfo[$key]);
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}
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}
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}
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else
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{
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$stats_merged_data['counts'][$channel] = $chaninfo;
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}
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}
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}
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foreach ( $data['messages'] as $channel => $chandata )
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{
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if ( isset($stats_merged_data['messages'][$channel]) )
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{
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foreach ( $chandata as $message )
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{
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$stats_merged_data['messages'][$channel][] = $message;
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}
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}
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else
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{
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$stats_merged_data['messages'][$channel] = $chandata;
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}
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}
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}
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load_stats_data();
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