/**
* Page handler for parcing autocomplete results
*
* @param type $page
*/
function elgg_tokeninput_page_handler($page)
{
elgg_load_library('elgg.tokeninput');
$user = elgg_get_logged_in_user_entity();
$callback = urldecode(get_input('callback'));
if ($callback) {
$hmac = get_input('hmac');
$ts = get_input('ts');
if (hash_hmac('sha256', $ts . $callback, elgg_tokeninput_get_secret()) !== $hmac) {
header('HTTP/1.1 403 Forbidden');
exit;
}
} else {
$callback = 'elgg_tokeninput_search_all';
}
$q = urldecode(get_input('term', get_input('q', '')));
$strict = (bool) get_input('strict', true);
if (!is_callable($callback)) {
header('HTTP/1.1 400 Bad Request');
exit;
}
$results = array();
$options = get_input('options', array());
$entities = call_user_func($callback, $q, $options);
if (is_array($entities) && count($entities)) {
foreach ($entities as $entity) {
if (elgg_instanceof($entity)) {
$results[] = elgg_tokeninput_export_entity($entity);
} else {
if ($entity instanceof ElggMetadata) {
$results[] = elgg_tokeninput_export_metadata($entity);
} else {
$results[] = (array) $entity;
}
}
}
}
if (!count($results) && $strict === false) {
$suggest = array('label' => $q, 'value' => $q, 'html_result' => '<span>' . elgg_echo('tokeninput:suggest', array($q)) . '</span>');
$results[] = $suggest;
}
header("Content-Type: application/json");
echo json_encode($results);
exit;
}
/**
* Get exportable entity values
*
* @param ElggEntity $entity
* @return array
*/
function elgg_tokeninput_export_entity($entity)
{
if (!elgg_instanceof($entity)) {
if ($entity_from_guid = get_entity($entity)) {
$entity = $entity_from_guid;
} else {
return elgg_tokeninput_export_metadata($entity);
}
}
$type = $entity->getType();
$subtype = $entity->getSubtype();
$icon = elgg_view_entity_icon($entity, 'small', array('use_hover' => false));
if (elgg_instanceof($entity, 'user')) {
$title = "{$entity->name} ({$entity->username})";
} else {
if (elgg_instanceof($entity, 'group')) {
$title = $entity->name;
} else {
$title = $entity->getDisplayName();
if (!$title) {
$title = elgg_echo('untitled');
}
$metadata[] = elgg_echo('byline', array($entity->getOwnerEntity()->name));
}
}
if ($entity->description) {
$metadata[] = elgg_get_excerpt(elgg_strip_tags($entity->description), 100);
}
if ($entity->location) {
$metadata[] = $entity->location;
}
$export = array('label' => $title, 'value' => $entity->guid, 'metadata' => $metadata ? implode('<br />', $metadata) : '', 'icon' => $icon, 'type' => $type, 'subtype' => $subtype, 'html_result' => elgg_view_exists("tokeninput/{$type}/{$subtype}") ? elgg_view("tokeninput/{$type}/{$subtype}", array('entity' => $entity, 'for' => 'result')) : null, 'html_token' => elgg_view_exists("tokeninput/{$type}/{$subtype}") ? elgg_view("tokeninput/{$type}/{$subtype}", array('entity' => $entity, 'for' => 'token')) : null);
$export = elgg_trigger_plugin_hook('tokeninput:entity:export', $type, array('entity' => $entity), $export);
array_walk_recursive($export, function (&$value) {
$value = is_string($value) ? html_entity_decode($value, ENT_QUOTES, 'UTF-8') : $value;
});
return $export;
}
