<?php
/**
* @package Joker
* @subpackage Plugins
* @author Miami <miami@blackcrystal.net>
* @version 1.0 on 10/06/2010
* @license Released under the MIT License
* @link www.blackcrystal.net
*
* Seen plugin
* This plugin tracks users activity on channels
* and answers !seen command in private chat or channel.
*
* What we have here.
* - Tracking of events PRIVMSG, ACTION, JOIN, QUIT, PART, NICK
* - Sqlite database for users activity log
* - Simple searching using LIKE sql operator
*/
class Seen {
public function __construct(Joker $joker)
{
$filename = dirname(__FILE__) . '/data/seen.db';
$this->db = new SQLite3($filename);
// if no database initialized, do it
$this->db->exec( 'CREATE TABLE IF NOT EXISTS seen (d integer , a text unique , m text) ');
$joker->log('p', "Loaded seen database {$filename}");
}
public function PRIVMSG(Joker $joker)
{
// first we register activity
if ($joker->chan) $this->add($joker->addr, 'talking on '. $joker->chan );
// then, we process trigger
if ($joker->param[0] == '!seen')
{
isset($joker->param[1])
? $joker->answer( $this->seen( $joker->param[1] ))
: $joker->answer( '!seen Usage: !seen <nick>');
}
}
public function ACTION(Joker $joker)
{
if ($joker->chan) $this->add($joker->addr, 'talking on '. $joker->chan );
}
public function JOIN(Joker $joker)
{
if ($joker->nick != $joker->me) $this->add($joker->addr, 'joining '. $joker->chan );
}
public function MODE(Joker $joker)
{
if ($joker->nick != $joker->me) $this->add($joker->addr, 'changing mode on '. $joker->chan );
}
public function TOPIC(Joker $joker)
{
if ($joker->nick != $joker->me) $this->add($joker->addr, 'changing topic on '. $joker->chan );
}
public function QUIT(Joker $joker)
{
if ($joker->nick != $joker->me) $this->add($joker->addr, "leaving network with the words \"{$joker->text}\"" );
}
public function PART(Joker $joker)
{
if ($joker->nick != $joker->me) $this->add($joker->addr, "leaving {$joker->channel} with the words \"{$joker->text}\"" );
}
public function NICK(Joker $joker)
{
if ($joker->nick != $joker->me)
{
// renamed to
$this->add($joker->addr, "renaming to {$joker->text}" );
// renamed from
$this->add($joker->text . '!' . $joker->user . '@' . $joker->host, "renaming from {$joker->nick}" );
}
}
/**
* Add activity
* @param string $addr nick!user@host address
* @param string $msg message to save in seen log
*/
public function add($addr, $msg )
{
$msg = $this->db->escapeString($msg);
$addr = $this->db->escapeString($addr);
$time = time();
$this->db->exec( "REPLACE INTO seen (a,m,d) VALUES ('{$addr}','{$msg}', '{$time}')");
}
/**
* Searching in seen database
* @param string $addr nick, or part of nick!user@host address
* @return string formatted answer
*/
public function seen($addr)
{
$addr = $this->db->escapeString($addr);
$result = $this->db->query("SELECT * FROM seen WHERE a LIKE '%{$addr}%' ORDER BY d ASC");
// array for all found nicks
$nicks = array();
while ($row = $result->fetchArray()) {
list($lastnick, $lastaddr) = split('!',$row['a'],2 );
$lastmsg = $row['m'];
$lastdate = $this->ago($row['d']);
$nicks[] = $lastnick;
}
$count = count($nicks);
switch ($count) {
case 0: // nothing found, nicks list is empty
return "!seen: Hmmm, nope, never seen him before..." ;
case 1: // one nick, good
return "!seen: I've seen $lastnick ({$lastaddr}) $lastdate ago $lastmsg.";
default: // many nicks
array_pop($nicks); // remove last nick, we already have it in last*
return "!seen: {$count} matches found. Last seen $lastnick ({$lastaddr}) $lastdate ago $lastmsg. Also matched: ".implode(' ', $nicks);
}
}
/**
* Converts seconds to textual representation of time between current time and $param
* @param int $tm
* @param int $rcs
* @return string
* @see http://www.php.net/manual/en/function.time.php#91864
*/
public function ago($tm,$rcs = 0) {
$cur_tm = time(); $dif = $cur_tm-$tm;
$pds = array('second','minute','hour','day','week','month','year','decade');
$lngh = array(1,60,3600,86400,604800,2630880,31570560,315705600);
for($v = sizeof($lngh)-1; ($v >= 0)&&(($no = $dif/$lngh[$v])<=1); $v--); if($v < 0) $v = 0; $_tm = $cur_tm-($dif%$lngh[$v]);
$no = floor($no); if($no <> 1) $pds[$v] .='s'; $x=sprintf("%d %s ",$no,$pds[$v]);
if(($rcs == 1)&&($v >= 1)&&(($cur_tm-$_tm) > 0)) $x .= time_ago($_tm);
return trim( $x );
}
}
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