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<?php
/**
* Elgg add like action
*
* @package Elgg
* @author Curverider <curverider.co.uk>
* @link http://elgg.org/
*/
gatekeeper();
$entity_guid = (int) get_input('guid');
//check to see if the user has already liked the item
if (elgg_annotation_exists($entity_guid, 'likes')){
system_message(elgg_echo("likes:alreadyliked"));
forward($_SERVER['HTTP_REFERER']);
}
// Let's see if we can get an entity with the specified GUID
$entity = get_entity($entity_guid);
if (!$entity) {
register_error(elgg_echo("likes:notfound"));
forward($_SERVER['HTTP_REFERER']);
}
$user = get_loggedin_user();
$annotation = create_annotation($entity->guid,
'likes',
"likes",
"",
$user->guid,
$entity->access_id);
// tell user annotation didn't work if that is the case
if (!$annotation) {
register_error(elgg_echo("likes:failure"));
forward($_SERVER['HTTP_REFERER']);
}
// notify if poster wasn't owner
if ($entity->owner_guid != $user->guid) {
notify_user($entity->owner_guid,
$user->guid,
elgg_echo('likes:email:subject'),
sprintf(
elgg_echo('likes:email:body'),
$entity->title,
$user->name,
$comment_text,
$entity->getURL(),
$user->name,
$user->getURL()
)
);
}
system_message(elgg_echo("likes:likes"));
//add to river
add_to_river('annotation/annotatelike','likes',$user->guid,$entity->guid, "", 0, $annotation);
// Forward back to the page where the user 'liked' the object
forward($_SERVER['HTTP_REFERER']);
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