<?php
// $Id: xmlsitemap_user.module,v 1.12.2.16.2.23 2010/04/30 03:31:22 davereid Exp $

/**
 * Implements hook_xmlsitemap_link_info().
 */
function xmlsitemap_user_xmlsitemap_link_info() {
  $types['user'] = array(
    'label' => t('Users'),
    'bundle label' => t('User'),
    'base table' => 'users',
    'entity keys' => array(
      'id' => 'uid',
    ),
    'bundles' => array(
      'user' => array(
        'label' => t('User'),
        'admin' => array(
          'path' => 'admin/user/settings',
          'access arguments' => array('administer users'),
        ),
      ),
    ),
    'path callback' => 'xmlsitemap_user_path',
    'load hook' => 'user_load',
    'xmlsitemap' => array(
      'process callback' => 'xmlsitemap_user_xmlsitemap_process_user_links',
    ),
  );
  return $types;
}

function xmlsitemap_user_path($account) {
  return 'user/' . $account->uid;
}

/**
 * Implements hook_cron().
 *
 * Process old users not found in the {xmlsitemap} table.
 */
function xmlsitemap_user_cron() {
  xmlsitemap_user_xmlsitemap_index_links(xmlsitemap_var('batch_limit'));
}

/**
 * Implements hook_xmlsitemap_index_links().
 */
function xmlsitemap_user_xmlsitemap_index_links($limit) {
  $query = db_query_range("SELECT u.uid FROM {users} u LEFT JOIN {xmlsitemap} x ON x.type = 'user' AND u.uid = x.id WHERE x.id IS NULL AND u.uid > 0 ORDER BY u.uid DESC", array(), 0, $limit);
  $uids = array();
  while ($uid = db_result($query)) {
    $uids[] = $uid;
  }
  xmlsitemap_user_xmlsitemap_process_user_links($uids);
}

/**
 * Process user sitemap links.
 *
 * @param $uids
 *   An array of user IDs.
 */
function xmlsitemap_user_xmlsitemap_process_user_links(array $uids) {
  foreach ($uids as $uid) {
    if ($account = user_load($uid)) {
      $link = xmlsitemap_user_create_link($account);
      xmlsitemap_link_save($link);
    }
  }
}

/**
 * Implements hook_user().
 */
function xmlsitemap_user_user($op, &$edit, $account, $category = NULL) {
  switch ($op) {
    case 'insert':
    case 'update':
    case 'after_update':
      // We need to check both update and after update since the user hooks
      // won't have an updated $account object until after_update.
      $link = xmlsitemap_user_create_link($account);
      if (isset($edit['xmlsitemap'])) {
        $link = $edit['xmlsitemap'] + $link;
        // Unset since we don't want this saved to $user->data.
        unset($edit['xmlsitemap']);
      }
      xmlsitemap_link_save($link);
      break;
    case 'delete':
      xmlsitemap_link_delete('user', $account->uid);
      break;
  }
}

/**
 * Implements hook_form_FORM_ID_alter().
 *
 * @see user_register()
 * @see xmlsitemap_add_form_link_options()
 */
function xmlsitemap_user_form_user_register_alter(&$form, $form_state) {
  // Add the link options.
  module_load_include('inc', 'xmlsitemap', 'xmlsitemap.admin');
  xmlsitemap_add_form_link_options($form, 'user', 'user', $form['#uid']);
}

/**
 * Implements hook_form_FORM_ID_alter().
 *
 * @see user_admin_settings()
 * @see xmlsitemap_add_form_link_options()
 */
function xmlsitemap_user_form_user_profile_form_alter(&$form, $form_state) {
  // Add the link options.
  module_load_include('inc', 'xmlsitemap', 'xmlsitemap.admin');
  xmlsitemap_add_form_link_options($form, 'user', 'user', $form['#uid']);
}

/**
 * Implements hook_form_FORM_ID_alter().
 *
 * @see user_admin_settings()
 * @see xmlsitemap_add_link_bundle_settings()
 */
function xmlsitemap_user_form_user_admin_settings_alter(&$form, $form_state) {
  module_load_include('inc', 'xmlsitemap', 'xmlsitemap.admin');
  xmlsitemap_add_link_bundle_settings($form, $form_state, 'user', 'user');
  array_unshift($form['#submit'], 'xmlsitemap_user_user_admin_settings_submit');
}

function xmlsitemap_user_user_admin_settings_submit($form, &$form_state) {
  xmlsitemap_link_bundle_settings_save('user', 'user', $form_state['values']['xmlsitemap']);

  // Do not allow system_settings_form_submit() to run variable_set() on this.
  unset($form_state['values']['xmlsitemap']);
}

/**
 * Create a sitemap link from a user.
 *
 * The link will be saved as $account->xmlsitemap.
 *
 * @param $account
 *   A user object.
 */
function xmlsitemap_user_create_link(stdClass &$account) {
  if (!isset($account->xmlsitemap)) {
    $account->xmlsitemap = array();
    if ($account->uid && $link = xmlsitemap_link_load('user', $account->uid)) {
      $account->xmlsitemap = $link;
    }
  }

  $settings = xmlsitemap_link_bundle_load('user', 'user');

  $account->xmlsitemap += array(
    'type' => 'user',
    'subtype' => 'user',
    'id' => $account->uid,
    'loc' => 'user/' . $account->uid,
    'status' => $settings['status'],
    'status_default' => $settings['status'],
    'status_override' => 0,
    'priority' => $settings['priority'],
    'priority_default' => $settings['priority'],
    'priority_override' => 0,
  );

  // The following values must always be checked because they are volatile.
  $account->xmlsitemap['access'] = $account->uid && $account->status && $account->login && $account->access;
  $account->xmlsitemap['language'] = !empty($account->language) ? $account->language : '';

  return $account->xmlsitemap;
}

/**
 * Implementation of hook_variables().
 */
function xmlsitemap_user_variables() {
  $defaults = array();
  return $defaults;
}