<?php
// $Id: activityhistory.module,v 1.1.2.4.2.6 2009-01-20 17:44:27 jaydub Exp $

function activityhistory_activityapi(&$activity, $op) {
  global $user;
  static $history = array();

  switch ($op) {
    case 'load':
      if (!isset($history[$activity['aid']][$user->uid])) {
        $new = db_result(db_query('SELECT ah.timestamp FROM {activity_history} ah WHERE aid = %d AND uid = %d', $activity['aid'], $user->uid));
        if (empty($new)) {
          $history[$activity['aid']][$user->uid] = theme('mark', MARK_NEW, 'activityhistory');
          // update to show that it has been seen
          @db_query('INSERT INTO {activity_history} (uid, aid, timestamp) VALUES (%d, %d, %d)', $user->uid, $activity['aid'], time());
        }
        else {
          $history[$activity['aid']][$user->uid] = '';
        }
      }
      $activity['activity_history_new'] = $history[$activity['aid']][$user->uid];

      if ($activity['activity_history_new']) {
        if ($activity['mark']) {
          $activity['mark'] .= ' '. $activity['activity_history_new'] .' ';
        }
        else {
          $activity['mark'] = $activity['activity_history_new'] .' ';
        }
      }
      break;
  }
}

/**
 * Implementation of hook_user().
 */
function activityhistory_user($op, &$edit, &$account, $category = NULL) {
  switch ($op) {
    case 'delete':
      db_query('DELETE FROM {activity_history} WHERE uid = %d', $account->uid);
      break;
  }
}