<?php

$stats_anonymize_list = array();

eb_hook('startup_early', 'stats_core_cache_anons();');

function stats_core_cache_anons()

{

  global $stats_anonymize_list;

  if ( $q = eb_mysql_query('SELECT nick FROM stats_anon;') )

  {

    while ( $row = mysql_fetch_assoc($q) )

    {

      $stats_anonymize_list[] = $row['nick'];

    }

  }

}

function stats_log_message($channel, $nick, $timestamp)

{

  // anonymize message?

  global $stats_anonymize_list;

  if ( in_array($nick, $stats_anonymize_list) )

  {

    $nick = 'Anonymous';

  }

  $channel = db_escape($channel);

  $nick = db_escape($nick);

  $sql = 'INSERT INTO stats_messages(channel, nick, time) ' . "VALUES('$channel', '$nick', " . intval($timestamp) . ");";

  eb_mysql_query($sql);

}

function stats_anonymize_user_now($nick)

{

  global $stats_anonymize_list;

  // anonymize list is cached in RAM

  if ( in_array($nick, $stats_anonymize_list) )

  {

    return false;

  }

  $stats_anonymize_list[] = $nick;

  $nick = db_escape($nick);

  eb_mysql_query("INSERT INTO stats_anon(nick) VALUES('$nick');");

  return true;

}

function stats_anonymize_user_past($nick)

{

  global $stats_anonymize_list;

  if ( !in_array($nick, $stats_anonymize_list) )

  {

    return false;

  }

  $nick = db_escape($nick);

  eb_mysql_query("UPDATE stats_messages SET nick = 'Anonymous' WHERE nick = '$nick';");

  return true;

}

function stats_denonymize_user($nick)

{

  global $stats_anonymize_list;

  if ( !in_array($nick, $stats_anonymize_list) )

  {

    return false;

  }

  $nick = db_escape($nick);

  eb_mysql_query("DELETE FROM stats_anon WHERE nick = '$nick';");

  unset($stats_anonymize_list[ array_search($nick, $stats_anonymize_list) ]);

  return true;

}

function stats_del_user($chan, $nick)

{

  $chan = db_escape($chan);

  $nick = db_escape($nick);

  eb_mysql_query("DELETE FROM stats_messages WHERE channel = '$chan' AND nick = '$nick';");

}