function topic($company_sfnid, $topic_id)
{
$url = $topic_id;
$feed_raw = get_url($url, false);
if (!$feed_raw) {
throw new Exception("Failed to load topic feed at {$url}.");
}
try {
$topic_feed = new XML_Feed_Parser($feed_raw);
if (!$topic_feed) {
throw new Exception("Invalid feed at {$url}");
}
} catch (XML_Feed_Parser_Exception $e) {
invalidate_http_cache($url);
throw new Exception("Invalid feed at {$url}");
}
# Add stuff to the raw feed data using fix_atom_entry
$items = array();
foreach ($topic_feed as $entry) {
$item = fix_atom_entry($entry, 'reply');
array_push($items, $item);
}
# Collect information about the participants in this topic
$authors = array();
$employees = array();
foreach ($items as $item) {
$authors[$item['author']['uri']]++;
list($role, $role_name) = get_person_role($company_sfnid, $item['author']['uri']);
if ($role) {
$employees[$item['author']['uri']] = $item['author'];
$employees[$item['author']['uri']]['role'] = $role;
}
}
$official_reps = array();
foreach ($employees as $emp) {
$emp_data = get_person($emp['uri']);
$emp = superimpose($emp, $emp_data);
if ($emp['role'] == 'company_rep' || $emp['role'] == 'company_admin') {
array_push($official_reps, $emp);
}
}
$particip = array('people' => count($authors), 'employees' => count($employees), 'official_reps' => $official_reps, 'count_official_reps' => count($official_reps));
return array('replies' => $items, 'particip' => $particip, 'tags' => $tags);
}
$sprink = new Sprinkles();
$reply_id = request_param('reply_id');
$topic_id = request_param('topic_id');
$creds = $sprink->current_user_session();
if (!$creds) {
$target_page = $preview_after_login ? 'topic.php' : 'handle-star.php';
$args = 'reply_id=' . urlencode($reply_id) . '&topic_id=' . urlencode($topic_id);
redirect('user-login.php?return=' . urlencode($target_page . '?' . $args));
exit(0);
}
$POST_URL = $sprink->api_url($reply_id . "/stars");
# FIXME use @rel=stars link from feed
$params = array('reply_id' => $reply_id);
$req = $sprink->oauthed_request('POST', $POST_URL, $creds, null, $params);
if (400 == ($responseCode = $req->getResponseCode())) {
# TBD: refine this to read HTTP reason
redirect('topic.php?no_self_star=1&id=' . $topic_id);
exit(0);
}
if (201 != $responseCode) {
error("Failed starring with POST to {$POST_URL}: " . $req->getResponseBody());
die("API Error {$responseCode} starring reply {$reply_id}.");
}
$topic_url = request_param('topic_id');
invalidate_http_cache($topic_url);
redirect('topic.php?id=' . urlencode($topic_url));
exit(0);
} catch (Exception $e) {
error_log("Exception thrown while preparing page: " . $e->getMessage());
$smarty->display('error.t');
}