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' => $tags);
}
function get_person_role($person_url)
{
return get_person_role($this->company_sfnid, $person_url);
}
