/**
* Increment the views counter for any elgg entity
*/
function increment_views_counter($entity_guid)
{
$entity = get_entity($entity_guid);
if ($entity) {
$user = elgg_get_logged_in_user_entity();
// If there is no loggedin user then lets updated the common views counter for all not loggedin users that has owner equal zero
$user_guid = $user ? $user->guid : 0;
$options = array('types' => array($entity->type), 'guids' => array($entity_guid), 'annotation_names' => array('views_counter'), 'annotation_owner_guids' => array($user_guid));
if ($entity->getSubtype()) {
$options['subtypes'] = array($entity->getSubtype());
}
$views_counter = elgg_get_annotations($options);
// Update the last view time for this entity to the current time
update_last_view_time($entity_guid, $user_guid);
if ($views_counter) {
return update_annotation($views_counter[0]->id, 'views_counter', $views_counter[0]->value + 1, 'integer', $user_guid, ACCESS_PUBLIC);
} else {
return create_annotation($entity->guid, 'views_counter', 1, 'integer', $user_guid, ACCESS_PUBLIC);
}
}
}
/**
* Hook that allow other plugins to update the last view time for an entity
*
* @param $hook
* @param $type
* @param $returnvalue
* @param $params
*/
function update_last_view_time_hook($hook, $type, $returnvalue, $params)
{
if ($params['entity']) {
$user_guid = $params['user'] ? $params['user']->guid : 0;
return update_last_view_time($params['entity']->guid, $user_guid);
}
}
