<?php

// $Id: xmlsitemap_user.module,v 1.12.2.106 2009/07/16 12:56:04 earnie Exp $

/**

 * @file

 * Adds user profiles to the sitemap.

 */

/**

 * @addtogroup xmlsitemap

 * @{

 */

/*****************************************************************************

 * Drupal hooks.

 ****************************************************************************/

/**

 * Implementation of hook_cron().

 */

function xmlsitemap_user_cron() {

  if (($limit = variable_get('xmlsitemap_cron_limit', 100)) != -1) {

    $sql = "SELECT u.* FROM {users} u

      LEFT JOIN {xmlsitemap_user} xu ON xu.uid = u.uid

      WHERE xu.uid IS NULL

        AND u.uid <> 0

        AND u.status <> 0";

    $result = db_query_range($sql, 0, $limit);

    while ($account = db_fetch_object($result)) {

      $row = new stdClass();

      $row->uid = $account->uid;

      $row->changed = !empty($account->access) ? $account->access : REQUEST_TIME;

      $row->previously_changed = $account->created;

      drupal_write_record('xmlsitemap_user', $row);

    }

    if ($result) {

      xmlsitemap_flag_sitemap();

    }

  }

}

/**

 * Implementation of hook_form_FORM_ID_alter().

 */

function xmlsitemap_user_form_user_admin_settings_alter(&$form, &$from_state) {

  if (!isset($form['xmlsitemap'])) {

    $form['xmlsitemap'] = array(

      '#type' => 'fieldset',

      '#title' => t('XML sitemap'),

      '#collapsible' => TRUE,

    );

  }

  $default = variable_get('xmlsitemap_user_default_priority', 0.5);

  $form['xmlsitemap']['xmlsitemap_user_default_priority'] = array(

    '#type' => 'select',

    '#title' => t('Default user priority'),

    '#description' => t('The default priority for users who have only the authenticated user role.'),

    '#default_value' => $default,

    '#options' => xmlsitemap_priority_options('exclude'),

  );

  $form['buttons']['#weight'] = isset($form['buttons']['#weight']) ? $form['buttons']['#weight'] + 1 : 1;

  $form['#submit'][] = 'xmlsitemap_user_admin_settings_submit';

}

/**

 * Implementation of hook_form_FORM_ID_alter().

 */

function xmlsitemap_user_form_user_admin_role_alter(&$form, &$from_state) {

  $options = xmlsitemap_priority_options('exclude');

  $priority = db_result(db_query("SELECT priority

    FROM {xmlsitemap_user_role}

    WHERE rid = %d", $form['rid']['#value'])

  );

  if ($priority === FALSE) {

    $priority = 0.5;

  }

  if (!isset($form['xmlsitemap'])) {

    $form['xmlsitemap'] = array(

      '#type' => 'fieldset',

      '#title' => t('XML sitemap'),

      '#collapsible' => TRUE,

    );

  }

  $form['xmlsitemap']['xmlsitemap_user_role_priority'] = array(

    '#type' => 'select',

    '#title' => t('Default priority'),

    '#description' => t("The priority of all user roles will be added together to set the user's default priority. If all role priorities are left at default, the user's default priority will be %priority.", array('%priority' => $options[variable_get('xmlsitemap_user_default_priority', '0.5')])),

    '#default_value' => $priority,

    '#options' => $options,

  );

  $form['submit']['#weight'] = isset($form['submit']['#weight']) ? $form['submit']['#weight'] + 1 : 1;

  $form['delete']['#weight'] = isset($form['delete']['#weight']) ? $form['delete']['#weight'] + 1 : 1;

  $form['#submit'][] = 'xmlsitemap_user_admin_role_submit';

}

/**

 * Implementation of hook_user().

 */

function xmlsitemap_user_user($op, &$edit, &$account, $category = NULL) {

  switch ($op) {

    case 'form':

      if ($category != 'account') {

        return array();

      }

    case 'register':

      $priority = db_result(db_query("SELECT priority_override

        FROM {xmlsitemap_user}

        WHERE uid = %d", $account->uid)

      );

      $options = xmlsitemap_priority_options('both');

      if (isset($account->roles)) {

        $roles = array_keys($account->roles);

        $default = db_fetch_object(

          db_query("SELECT MIN(priority) AS min, SUM(priority) AS sum

            FROM {xmlsitemap_user_role}

            WHERE rid IN (". db_placeholders($roles, 'varchar') .")",

            $roles

          )

        );

      }

      if (isset($default->min) && isset($default->sum)) {

        $default_priority = $default->min < 0 ? -1.0 : round(min($default->sum, 1), 1);

      }

      else {

        $default_priority = variable_get('xmlsitemap_user_default_priority', 0.5);

      }

      $form = xmlsitemap_user_form_fieldset();

      $form['xmlsitemap']['xmlsitemap_user_priority'] = array(

        '#type' => 'select',

        '#title' => t('User priority'),

        '#description' => t('The default priority is %priority.', array('%priority' => $options[(string)$default_priority])),

        '#default_value' => $priority !== FALSE ? $priority : -2.0,

        '#options' => $options,

      );

      return $form;

    case 'insert':

      if ($account->status) {

        $row = new stdClass();

        $row->uid = $account->uid;

        $row->changed = !empty($account->access) ? $account->access : REQUEST_TIME;

        $row->previously_changed = $account->created;

        $row->priority_override = isset($edit['xmlsitemap_user_priority']) ? $edit['xmlsitemap_user_priority'] : -2.0;

        drupal_write_record('xmlsitemap_user', $row);

        $edit['xmlsitemap_user_priority'] = NULL;

        xmlsitemap_flag_sitemap();

      }

      break;

    case 'update':

      if ($account->status) {

        if (($result = db_fetch_object(db_query("SELECT uid, changed, previously_changed, priority_override FROM {xmlsitemap_user} WHERE uid = %d", $account->uid))) === FALSE) {

          $row = new stdClass();

          $row->uid = $account->uid;

          $row->previously_changed = $account->created;

          $row->changed = !empty($account->access) ? $account->access : REQUEST_TIME;

        }

        else {

          $row = $result;

          if (!empty($account->access)) {

            if ($row->changed < $account->access) {

              $row->previously_changed = $row->changed;

              $row->changed = $account->access;

            }

          }

          else {

            $row->previously_changed = $row->changed;

            $row->changed = REQUEST_TIME;

          }

        }

        if (isset($edit['xmlsitemap_user_priority'])) {

          $row->priority_override = $edit['xmlsitemap_user_priority'];

        }

        drupal_write_record('xmlsitemap_user', $row, $result !== FALSE ? 'uid' : NULL);

        xmlsitemap_flag_sitemap();

      }

      break;

    case 'delete':

      db_query("DELETE FROM {xmlsitemap_user} WHERE uid = %d", $account->uid);

      db_query("DELETE FROM {xmlsitemap} WHERE type = 'user' AND id = %d", $account->uid);

      xmlsitemap_flag_sitemap();

      break;

  }

}

/**

 * Implementation of hook_xmlsitemap_description().

 */

function xmlsitemap_user_xmlsitemap_description() {

  return '<dt>'. t('XML sitemap user') .'</dt>'.

    '<dd>'. t('The module adds user profiles to the sitemap. The <em>anonymous user</em> role must have permission to access user profiles on the <a href="@access">access control page</a>. You can change the default user priority on the <a href="@user_settings">user settings</a> page. The <a href="@user">user role priority</a> will override the default user priority. You can override both the default priority and the role priority if you add or edit a user.', array('@access' => url('admin/user/access'), '@user_settings' => url('admin/user/settings'), '@user_role' => url('admin/user/roles'))) .'</dd>';

}

/**

 * Implementation of hook_xmlsitemap_links().

 */

function xmlsitemap_user_xmlsitemap_links() {

  $anon_account = drupal_anonymous_user();

  $user_access = user_access('access user profiles', $anon_account);

  $result = db_query("SELECT u.uid, u.access, u.status, xu.changed, xu.previously_changed, xu.priority_override

    FROM {xmlsitemap_user} xu

    INNER JOIN {users} u ON xu.uid = u.uid"

  );

  $row = new stdClass();

  $row->module = 'xmlsitemap_user';

  $row->type = 'user';

  while ($user = db_fetch_object($result)) {

    $row->loc = 'user/'. $user->uid;

    $row->id = $user->uid;

    $row->changed = $user->changed;

    $row->changefreq = max(REQUEST_TIME - $user->changed, empty($user->previously_changed) ? 0 : $user->changed - $user->previously_changed);

    $priority = xmlsitemap_user_get_priority($user);

    $row->priority = $priority == -1 ? $priority : min(max(round($priority, 1), 0.0), 1.0);

    $row->priority = $user_access ? $row->priority : -1;

    $old_row = db_fetch_object(db_query("SELECT lid, type, priority FROM {xmlsitemap} WHERE loc = '%s'", $row->loc));

    if ($old_row === FALSE) {

      drupal_write_record('xmlsitemap', $row);

    }

    elseif ($old_row->type == 'user' && $old_row->priority != $row->priority) {

      $row->lid = $old_row->lid;

      drupal_write_record('xmlsitemap', $row, 'lid');

    }

  }

}

/*****************************************************************************

 * Public functions.

 ****************************************************************************/

/**

 * Get the user priority in the sitemap.

 * @param $user

 *   The user object.

 * @param $load

 *   TRUE, if priority_override must be loaded from the module table.

 * @return

 *   The priority for the user.

 * @see xmlsitemap_user_set_priority()

 */

function xmlsitemap_user_get_priority($user, $load = FALSE) {

  if (!isset($user->priority_override) && $load && $user->uid) {

    $priority_override = db_result(db_query("SELECT xu.priority_override FROM {xmlsitemap_user} xu WHERE xu.uid = %d", $user->uid));

    if ($priority_override !== FALSE) {

      $user->priority_override = $priority_override;

    }

  }

  if (isset($user->priority_override) && $user->priority_override != -2.0) {

    $priority = $user->priority_override;

  }

  else {

    $default = db_fetch_object(

      db_query("SELECT MIN(xur.priority) AS min, SUM(xur.priority) AS sum

        FROM {users_roles} ur

        INNER JOIN {xmlsitemap_user_role} xur ON xur.rid = ur.rid

        WHERE ur.uid = %d", $user->uid

      )

    );

    if (isset($default->min) && isset($default->sum)) {

      $priority = $default->min < 0 ? -1.0 : round(min($default->sum, 1.0), 1);

    }

    else {

      $priority = variable_get('xmlsitemap_user_default_priority', 0.5);

    }

  }

  if (!isset($priority) || !$user->status || !$user->access) {

    $priority = -1.0;

  }

  return $priority;

}

/**

 * Set the user priority in the sitemap. It doesn't change the priority of a

 * blocked user.

 * @param $user

 *   The user object, or the user ID.

 * @param $priority

 *   The priority for the user.

 * @return

 *   The user object, or FALSE.

 */

function xmlsitemap_user_set_priority($user, $priority) {

  if (!is_numeric($user)) {

    $user = (object) $user;

    $uid = $user->uid;

  }

  else {

    $uid = $user;

    $user = user_load($uid);

  }

  if ($user && $user->status) {

    $result = db_fetch_object(db_query("SELECT uid, changed, previously_changed, priority_override

      FROM {xmlsitemap_user}

      WHERE uid = %d", $uid)

    );

    if ($result === FALSE) {

      $row = new stdClass();

      $row->uid = $user->uid;

      $row->changed = $user->access;

      $row->previously_changed = $user->created;

    }

    else {

      $row = $result;

      if ($row->changed < $user->access) {

        $row->previously_changed = $row->changed;

        $row->changed = $user->access;

      }

    }

    $row->priority_override = $priority;

    drupal_write_record('xmlsitemap_user', $row, $result === FALSE ? NULL : 'uid');

    return $user;

  }

  return FALSE;

}

/*****************************************************************************

 * Menu callbacks / form builders, submit/validate functions.

 ****************************************************************************/

/**

 * Form submit function.

 */

function xmlsitemap_user_admin_role_submit($form, &$form_state) {

  $form_values = $form_state['values'];

  $priority = db_result(db_query("SELECT priority FROM {xmlsitemap_user_role} WHERE rid = %d", $form_values['rid']));

  $row = new stdClass();

  $row->rid = $form_values['rid'];

  $row->priority = $form_values['xmlsitemap_user_role_priority'];

  drupal_write_record('xmlsitemap_user_role', $row, $priority !== FALSE ? 'rid' : NULL);

  xmlsitemap_flag_sitemap();

}

/**

 * Form submit function.

 */

function xmlsitemap_user_admin_settings_submit($form, &$form_state) {

  xmlsitemap_flag_sitemap();

}

/**

 * @} End of "addtogroup xmlsitemap".

 */