/**
* Checks if a user can subscribe to a content item
*
* @param ElggEntity $entity the entity to check
* @param int $user_guid the user to check (default: current user)
*
* @return bool
*/
function content_subscriptions_can_subscribe(ElggEntity $entity, $user_guid = 0)
{
$user_guid = sanitise_int($user_guid, false);
if (empty($user_guid)) {
$user_guid = elgg_get_logged_in_user_guid();
}
if (empty($user_guid) || !$entity instanceof ElggEntity) {
return false;
}
if ($entity->getOwnerGUID() === $user_guid) {
// owner cant subscribe to own content
return false;
}
$supported_entity_types = content_subscriptions_get_supported_entity_types();
if (empty($supported_entity_types)) {
return false;
}
$type = $entity->getType();
if (!isset($supported_entity_types[$type])) {
return false;
}
$subtype = $entity->getSubtype();
if (!empty($subtype)) {
return in_array($subtype, $supported_entity_types[$type]);
}
return true;
}
/**
* Checks if a user can subscribe to a content item
*
* @param ElggEntity $entity the entity to check
* @param int $user_guid the user to check (default: current user)
*
* @return bool
*/
function content_subscriptions_can_subscribe(ElggEntity $entity, $user_guid = 0)
{
$result = false;
$user_guid = sanitise_int($user_guid, false);
if (empty($user_guid)) {
$user_guid = elgg_get_logged_in_user_guid();
}
if (!empty($user_guid) && !empty($entity) && elgg_instanceof($entity)) {
if ($entity->getOwnerGUID() != $user_guid) {
$supported_entity_types = content_subscriptions_get_supported_entity_types();
if (!empty($supported_entity_types)) {
$type = $entity->getType();
if (isset($supported_entity_types[$type])) {
$subtype = $entity->getSubtype();
if (!empty($subtype)) {
$result = in_array($subtype, $supported_entity_types[$type]);
} else {
$result = true;
}
}
}
}
}
return $result;
}
