PHP Classes

File: plugins/seen.class.php

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  Classes of Sergei Miami   Joker the IRC bot   plugins/seen.class.php   Download  
File: plugins/seen.class.php
Role: Example script
Content type: text/plain
Description: Seen plugin
Class: Joker the IRC bot
Base for building IRC bot
Author: By
Last change:
Date: 13 years ago
Size: 4,908 bytes
 

Contents

Class file image Download
<?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 );
  }


}