public static function suggestCategoryInterests()
{
global $wgUser;
$interests = array();
if ($wgUser->getId() == 0) {
return $interests;
}
$dbr = wfGetDB(DB_SLAVE);
$res = ProfileBox::fetchEditedData($wgUser->getName(), 10);
while ($row = $dbr->fetchObject($res)) {
$t = Title::newFromId($row->page_id);
if ($t && $t->exists()) {
$interests = array_merge($interests, CatSearch::getParentCats($t));
}
}
$interests = array_unique($interests);
foreach ($interests as $k => $interest) {
if (CatSearch::ignoreCategory($interest)) {
unset($interests[$k]);
}
}
// Give them some random top-level categories if they haven't done any edits yet
if (!sizeof($interests)) {
global $wgCategoryNames;
$topCats = array_values($wgCategoryNames);
$rnd = rand(1, 6);
for ($i = 1; $i < 4; $i++) {
$interests[] = str_replace(" ", "-", $topCats[$i * $rnd]);
}
}
return array_slice(array_values($interests), 0, 3);
}
