<?php

function xtracker_user($op, &$edit, &$user, $category=FALSE) {
  switch ($op) {
    case 'insert':
    case 'update':
      /*
      ** Use the username to automatically create an alias
      */
      $user = (object) $user;
      if ($user->name) {
        if (module_exist('xtracker')) {
          $src = 'user/'.$user->uid;
          $query = 'SELECT dst FROM {url_alias} '.
                   'WHERE src = \'%d\'';
          $result = db_query($query, $src);
          $field = db_fetch_object($result);
          if(!$field->dst){
            $placeholders = array();
            $placeholders[t('[user]')] = pathauto_cleanstring($user->name);
            $placeholders[t('[uid]')] = $user->uid;
            $alias = pathauto_create_alias('user', $op, $placeholders, $src);
          } else {
            $alias = $field->dst;
          }
          path_set_alias($src.'/xtrack', $alias . '/' . pathauto_cleanstring(t('track')));
        }
      }
      break;
    case 'delete':
      /*
      ** If the user is deleted, remove the path aliases
      **
      */
      if (module_exist('xtracker')) {
        path_set_alias('user/'.$user->uid.'/xtrack');
      } 
      break;
    default:
      break;
  }
}


function xtracker_pathauto($op) {
  switch ($op) {
    case 'settings':
      $settings = array();
      $settings['module'] = 'xtracker';
      $settings['groupheader'] = t('Xtracker path settings');
      $settings['patterndescr'] = t('Pattern for Xtracker page paths');
      $settings['patterndefault'] = t('xtracker/[typename]');
      $settings['placeholders'] = array(
        t('[type]') => t('The node type.'),
        t('[typename]') => t('The name of the node type.'),
      );
      $settings['bulkname'] = t('Bulk update xtracker paths');
      $settings['bulkdescr'] = t('Generate aliases for all xtracker tabs which do not already have aliases. For the "my posts" tab, both placeholders use the username.');
      return (object) $settings;
    default:
      break;
  }
}

// Generate aliases for all users without aliases
function xtracker_pathauto_bulkupdate() {
  $count = 0;
  foreach (node_get_types() as $type => $name) {
    $placeholders = array();
    $placeholders[t('[typename]')] = pathauto_cleanstring($name);
    $placeholders[t('[type]')] = $type;
    $src = 'xtracker/type/'.$type;
    path_set_alias($src);
    if ($alias = pathauto_create_alias('xtracker', 'bulkupdate', $placeholders, $src)) {
      $count++;
    }
  }

  // upadating 'my posts'
  $query = 'SELECT uid,name,src,dst FROM {users} '.
    "LEFT JOIN {url_alias} ON CONCAT('user/', uid) = src ".
    'WHERE uid > 0';
  $result = db_query($query);
  $user = db_fetch_object($result);
  while ($user) {
    $placeholders = array();
    $placeholders[t('[typename]')] = pathauto_cleanstring($user->name);
    $placeholders[t('[type]')] = pathauto_cleanstring($user->name);
    $src = 'xtracker/uid/'.$user->uid;
    if ($alias = pathauto_create_alias('xtracker', 'bulkupdate', $placeholders, $src)) {
      $count++;
    }
    if(!$user->src){
      $placeholders = array();
      $placeholders[t('[user]')] = pathauto_cleanstring($user->name);
      $placeholders[t('[uid]')] = $user->uid;
      if ($alias = pathauto_create_alias('user', 'bulkupdate', $placeholders, $user->src)) {
        $count++;
      }
    } else {
      path_set_alias($user->src.'/xtrack', $user->dst.'/'.pathauto_cleanstring(t('track')));
      $count++;
    }
    $user = db_fetch_object($result);
  }

  drupal_set_message(format_plural($count,
    "Bulk update of tracker pages completed, one alias generated.",
    "Bulk update of tracker pages completed, %count aliases generated."));
}