/**
* Construct a Wikimedia instance.
* @param Database $db The database with which to connect to the database.
* @param Cacher $cache The cache with which to read and write cached data.
*/
public function __construct($db, $cache)
{
$this->wikis = $cache->Get('wikimedia-wikis');
if (!$this->wikis) {
// build wiki list
$this->wikis = array();
$db->Connect('metawiki.labsdb', 'metawiki_p');
foreach ($db->Query('SELECT dbname, lang, family, url, size, is_closed, slice FROM meta_p.wiki WHERE url IS NOT NULL')->fetchAllAssoc() as $row) {
if ($row['dbname'] == 'votewiki') {
continue;
}
// DB schema is broken
$this->wikis[$row['dbname']] = new Wiki($row['dbname'], $row['lang'], $row['family'], $row['url'], $row['size'], $row['is_closed'], $row['slice']);
}
// cache result
if (count($this->wikis)) {
// if the fetch failed, we *don't* want to cache the result for a full day
$cache->Save('wikimedia-wikis', $this->wikis);
}
$db->ConnectPrevious();
}
}