static function get_text($key)
{
$annotation = Annotation::from_db($key);
if ($annotation) {
return $annotation->text;
}
return '';
}
function time_annotation($key)
{
$key .= "-{$this->id}";
$log = Annotation::from_db($key);
if ($log) {
return $log->time;
} else {
return 0;
}
}
function print_external_anaylsis($link)
{
$data = Annotation::from_db("analysis_{$link->id}");
if ($data) {
$objects = json_decode($data->text);
Haanga::Load('link_external_analysis.html', compact('objects'));
}
}
header('Content-Type: application/json; charset=utf-8');
$service = clean_input_string($_GET['s']);
switch ($service) {
case 'tweet':
$id = $_GET['id'];
if (!ctype_digit($id)) {
syslog(LOG_INFO, "Missing id {$id}");
exit;
}
$url = "https://api.twitter.com/1/statuses/oembed.json?id={$id}&align=center&maxwidth=550";
break;
default:
die;
}
$key = "json_cache_{$service}-{$id}";
$cache = Annotation::from_db($key);
if ($cache) {
echo $cache->text;
exit(0);
}
// Get the url if not cached
$cache = new Annotation($key);
$res = get_url($url);
if (!$res || !$res['content'] || $res['http_code'] != 200) {
$cache->time = time() + 3600;
// if it failed, cache for one hour
$cache->text = '{}';
// Return empty object
} else {
$cache->time = time() + 86400 * 7;
// 7 days in cache
