function notifications_page_unsubscribe in Notifications 6

Same name and namespace in other branches

1. 5 notifications.admin.inc \notifications_page_unsubscribe()
2. 6.4 notifications.pages.inc \notifications_page_unsubscribe()
3. 6.2 notifications.pages.inc \notifications_page_unsubscribe()
4. 6.3 notifications.pages.inc \notifications_page_unsubscribe()

Menu callback for unsubscribe page

Parameters

$type: Either 'sid' or 'uid' (for unsubscribe all)

$id: Subscription id or user id, depending on type

1 string reference to 'notifications_page_unsubscribe'

notifications_menu in ./notifications.module

Implementation of hook_menu().

File

./notifications.pages.inc, line 273

User pages for Notifications

Code

function notifications_page_unsubscribe($type, $id) {
  global $user;

  // Check signature if present
  $signed = !empty($_GET['signature']) && $_GET['signature'] == _notifications_signature(array(
    'unsubscribe',
    $type,
    $id,
  ), !empty($_GET['confirm']));

  // Determine subscription and user depending on type
  if ($type == 'sid' && is_numeric($id) && ($subscription = notifications_load_subscription($id))) {
    $account = NULL;
    $uid = $subscription->uid;
  }
  elseif ($type == 'uid' && is_numeric($id) && ($account = user_load($id)) && $account->uid) {
    $subscription = NULL;
    $uid = $account->uid;
  }

  // Check permissions and present confirmation form or not depending on parameters
  if (($account || $subscription) && $uid && (user_access('administer notifications') || $user->uid == $uid || $signed)) {

    // Skip confirmation page when requested and the signature is ok
    if (!empty($_GET['confirm']) && $signed) {
      if ($subscription) {
        notifications_delete_subscription($subscription->sid);
        drupal_set_message(t('Your subscription has been removed.'));
      }
      elseif ($account) {
        notifications_delete_subscriptions(array(
          'uid' => $account->uid,
        ));
        drupal_set_message(t('All your subscriptions have been removed.'));
      }
      drupal_goto();
    }
    elseif ($account && !db_result(db_query("SELECT COUNT(*) FROM {notifications} WHERE uid = %d", $account->uid))) {
      return t("You don't have any subscription on this site.");
    }
    else {

      // Display confirmation form
      return drupal_get_form('notifications_form_unsubscribe_confirm', $subscription, $account);
    }
  }
  drupal_access_denied();
}