click_filter.install in Advertisement 6

File

statistics/click_filter/click_filter.install

<?php

/**
 * @file
 * Click_filter module database schema.
 *
 * Copyright (c) 2005-2009.
 *   Jeremy Andrews <[e-mail]>.
 */
if (!defined('CLICK_NEW')) {
  define('CLICK_NEW', 0);
  define('CLICK_VALID', 1);
  define('CLICK_DUPLICATE', 2);
  define('CLICK_OWNER', 3);
  define('CLICK_FILTER_ROLE', 4);
  define('CLICK_BOT', 5);
}

/**
 * Currently there is no click_filter schema.  However, we do need to review
 * existing clicks for duplicates
 */
function click_filter_install() {
  $valid = $duplicate = $owner = $bot = 0;

  // Find all unfiltered clicks.
  $result = db_query("SELECT DISTINCT(aid) FROM {ad_clicks} WHERE status = %d", CLICK_NEW);
  while ($ad = db_fetch_object($result)) {
    $clicks = db_query('SELECT cid, uid, hostname, timestamp, user_agent FROM {ad_clicks} WHERE status = %d AND aid = %d', CLICK_NEW, $ad->aid);
    while ($click = db_fetch_object($clicks)) {
      if (preg_match("/bot/i", $click->user_agent)) {
        db_query('UPDATE {ad_clicks} SET status = %d WHERE cid = %d', CLICK_BOT, $click->cid);
        $bot++;
        continue;
      }

      // Search for clicks by one of the ad's owners.
      $result = db_query('SELECT oid FROM {ad_owners} WHERE aid = %d AND uid = %d', $ad->aid, $click->uid);
      if (db_result($result)) {

        // Mark as clicked by ad owner.
        db_query('UPDATE {ad_clicks} SET status = %d WHERE cid = %d', CLICK_OWNER, $click->cid);

        // Decrement click from ad_statistics table.
        db_query("UPDATE {ad_statistics} SET count = count - 1 WHERE date = %d AND aid = %d AND action = 'click' AND hostid = '%s'", date('YmdH', $click->timestamp), $ad->aid, $click->hostid);
        $owner++;
        continue;
      }

      // Search for duplicate clicks.
      $result = db_query("SELECT cid FROM {ad_clicks} WHERE aid = %d AND status = %d AND cid <> %d AND (uid = %d OR hostname = '%s')", $ad->aid, CLICK_VALID, $click->cid, $click->uid, $click->hostname);
      if (db_result($result)) {

        // Mark as duplicate click.
        db_query('UPDATE {ad_clicks} SET status = %d WHERE cid = %d', CLICK_DUPLICATE, $click->cid);

        // Decrement click from ad_statistics table.
        db_query("UPDATE {ad_statistics} SET count = count - 1 WHERE date = %d AND aid = %d AND action = 'click' AND hostid = '%s'", date('YmdH', $click->timestamp), $ad->aid, $click->hostid);
        $duplicate++;
      }
      else {
        db_query('UPDATE {ad_clicks} SET status = %d WHERE cid = %d', CLICK_VALID, $click->cid);
        $valid++;
      }
    }
  }
  drupal_set_message(st('Updated existing clicks: %valid valid, filtered %duplicate duplicate, %owner by owner and %bot by search engine bots.', array(
    '%valid' => $valid,
    '%duplicate' => $duplicate,
    '%owner' => $owner,
    '%bot' => $bot,
  )));
}

/**
 * Filter clicks from search engine bots.
 */

Functions

Name	Description
click_filter_install	Currently there is no click_filter schema. However, we do need to review existing clicks for duplicates