function live_notifications()
{
// Register a page handler, so we can have nice URLs
elgg_register_page_handler('live_notifications', 'live_notifications_page_handler');
elgg_register_event_handler('pagesetup', 'system', 'live_notifications_notifier');
elgg_register_event_handler('pagesetup', 'system', 'live_notifications_plugin_pagesetup');
// Extend system CSS with our own styles
elgg_extend_view('css/elgg', 'live_notifications/css');
elgg_extend_view('page/elements/topbar', 'live_notifications/popup');
elgg_extend_view('js/elgg', 'live_notifications/js/live_notifications.init.js');
elgg_register_entity_type('object', 'notification');
//disable message notifications site,
//Comment this line if you want to receive also default site notifications
unregister_notification_handler("site");
//Cron to remove old notifications two week ago
elgg_register_plugin_hook_handler('cron', 'daily', 'live_notifications_cron');
//Extend add_to_river function for catch a event and create notification
elgg_register_plugin_hook_handler('creating', 'river', 'catch_add_to_river_event');
elgg_register_plugin_hook_handler("action", "likes/add", "likes_notification_action");
//Actions
$actions_base = elgg_get_plugins_path() . 'live_notifications/actions';
elgg_register_action('live_notifications/refresh_count', "{$actions_base}/refresh_count.php");
elgg_register_action('live_notifications/read_all', "{$actions_base}/read_all.php");
elgg_register_action('live_notifications/delete', "{$actions_base}/delete.php");
elgg_register_action('live_notifications/delete_all', "{$actions_base}/delete_all.php");
}
/**
* Sent out the notifications for the provided annotation_id
*
* @param int $id the id of the annotation
* @param string $event the type of event
*
* @return void
*/
function advanced_notifications_annotation_notification($id, $event)
{
global $NOTIFICATION_HANDLERS;
// get the annotation
$annotation = elgg_get_annotation_from_id($id);
if (!empty($annotation)) {
// are notifications on this annotation allowed
if (advanced_notifications_is_registered_notification_annotation($annotation)) {
// get the entity the annotation was made on
$entity = $annotation->getEntity();
// get the owner of the annotation
$owner = $annotation->getOwnerEntity();
if (!empty($entity) && !empty($owner)) {
// make sure the entity isn't a PRIVATE entity, this shouldn't happed as the commandline shouldn't be called
if ($entity->access_id != ACCESS_PRIVATE) {
// is the entity a registered entity type/subtype, this shouldn't happen see above
$default_subject = advanced_notifications_is_registered_notification_entity($entity, true);
if (!empty($default_subject)) {
// prepare the message to sent
$default_message = $default_subject . ": " . $entity->getURL();
// check if we need to disable site notifications
if (elgg_get_plugin_setting("replace_site_notifications", "advanced_notifications") == "yes") {
unregister_notification_handler("site");
}
if (!empty($NOTIFICATION_HANDLERS) && is_array($NOTIFICATION_HANDLERS)) {
// this could take a long time, especialy with large groups
set_time_limit(0);
// prepare options to get the interested users
$options = array("type" => "user", "site_guids" => ELGG_ENTITIES_ANY_VALUE, "limit" => false, "joins" => array("JOIN " . elgg_get_config("dbprefix") . "users_entity ue ON e.guid = ue.guid"), "wheres" => array("(ue.banned = 'no')", "(e.guid <> " . $owner->getGUID() . ")"), "relationship_guid" => $entity->getContainerGUID(), "inverse_relationship" => true, "callback" => "advanced_notifications_row_to_guid");
foreach ($NOTIFICATION_HANDLERS as $method => $dummy) {
// get the interested users for the entity
$options["relationship"] = "notify" . $method;
// allow the interested user options to be ajusted
$params = array("annotation" => $annotation, "entity" => $entity, "options" => $options, "method" => $method);
$options = elgg_trigger_plugin_hook("interested_users:options", "notify:" . $method, $params, $options);
if (!empty($options)) {
// we got through the hook, so get the users
$user_guids = elgg_get_entities_from_relationship($options);
if (!empty($user_guids)) {
// process each user
foreach ($user_guids as $user_guid) {
// fetch the user entity to process
$user = get_user($user_guid);
if (!empty($user)) {
// check if the user has access to the entity
if (has_access_to_entity($entity, $user)) {
// trigger a hook to make a custom message
$message = elgg_trigger_plugin_hook("notify:annotation:message", $annotation->getSubtype(), array("annotation" => $annotation, "to_entity" => $user, "method" => $method), $default_message);
// check if the hook made a correct message
if (empty($message) && $message !== false) {
// the hook did it incorrect, so reset the message
$message = $default_message;
}
// this is new, trigger a hook to make a custom subject
$subject = elgg_trigger_plugin_hook("notify:annotation:subject", $annotation->getSubtype(), array("annotation" => $annotation, "to_entity" => $user, "method" => $method), $default_subject);
// check if the hook made a correct subject
if (empty($subject)) {
// the hook did it incorrect, so reset the subject
$subject = $default_subject;
}
// if the hook returnd false, don't sent a notification
if ($message !== false) {
notify_user($user->getGUID(), $entity->getContainerGUID(), $subject, $message, null, $method);
}
}
}
// cleanup some of the caches
_elgg_invalidate_query_cache();
_elgg_invalidate_cache_for_entity($user_guid);
unset($user);
}
}
// some small cleanup
unset($user_guids);
}
}
}
}
}
}
}
}
}