public static function computeVotes(Slay_Song $song, $taggers = 0)
{
$sid = $song->getID();
$cache = array();
$table = self::table(__CLASS__);
foreach (Slay_Tag::getAllTags() as $tag_obj) {
$tid = $tag_obj->getID();
if (false === ($count = Slay_TagVote::countVotes($sid, $tid))) {
return false;
}
$avg = $taggers > 0 ? (int) ($count / $taggers * self::SCALE) : 0;
if ($count > 0) {
$cache[$tag_obj->getVar('st_name')] = array($count, $tid);
}
if (false === $table->insertAssoc(array('sst_sid' => $sid, 'sst_tid' => $tid, 'sst_count' => $count, 'sst_average' => $avg), true)) {
return false;
}
}
# Cleanup empties
if (false === $table->deleteWhere("sst_count=0")) {
return false;
}
# Build cache
$cc = NULL;
if (count($cache) > 0) {
arsort($cache);
foreach ($cache as $tname => $data) {
list($count, $tid) = $data;
$href = sprintf('/index.php?mo=Slaytags&me=Search&searchtag=%s&searchterm=&search=Search&by=ss_id&dir=ASC&page=1', $tid);
$cc .= sprintf(', <a href="%s">%s(%.02f%%)</a>', $href, $tname, $count / $taggers * 100);
}
$cc = substr($cc, 2);
}
if (false === $song->saveVar('ss_tag_cache', $cc)) {
return false;
}
return true;
}
