/**
* 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;
}
if (is_string($value)) {
$delimiter = elgg_extract('data-token-delimiter', $vars, ',');
$value = explode($delimiter, $value);
}
} else {
$value = array();
}
foreach ($value as $selected) {
if (!empty($vars['is_elgg_autocomplete'])) {
// Elgg autocomplete uses usernames
$user = get_user_by_username($selected);
if ($user) {
$selected = $user;
}
}
$values[] = elgg_tokeninput_export_entity($selected);
}
$vars['data-pre-populate'] = json_encode($values);
// Limit number of possible values
if (isset($vars['limit'])) {
$limit = elgg_extract('limit', $vars, null);
unset($vars['limit']);
}
$vars['data-token-limit'] = !$vars['multiple'] ? 1 : $limit;
// Prepare query
if (isset($vars['query'])) {
$query = elgg_extract('query', $vars);
unset($vars['query']);
}
if ($query && !is_array($query)) {
$query = array($query);
