public static function listAsFeed($db, $app_root, $category = '')
{
//public ONLY!!!!!!
$feed = new Dase_Atom_Feed();
$feed->setId($app_root . '/sets');
$feed->setFeedType('sets');
$feed->setUpdated(date(DATE_ATOM));
$feed->addAuthor();
if ($category) {
$scheme = '';
$parts = explode('}', $category);
if (1 == count($parts)) {
$term = $parts[0];
} elseif (2 == count($parts)) {
$scheme = urldecode(trim($parts[0], '{'));
$scheme = str_replace('http://daseproject.org/category/', '', $scheme);
$term = $parts[1];
} else {
return $feed->asXml();
}
/***************newly refactored*******************/
$tag_cat = new Dase_DBO_TagCategory($db);
$tag_cat->term = $term;
$tag_cat->scheme = $scheme;
$in_set = array();
$category_label = $term;
foreach ($tag_cat->find() as $tc) {
$in_set[] = $tc->tag_id;
$category_label = $tc->label;
}
$feed->setTitle('Sets for ' . $category_label);
$tags = new Dase_DBO_Tag($db);
$tags->is_public = true;
$tags->orderBy('updated DESC');
foreach ($tags->find() as $tag) {
$tag = clone $tag;
if (!$tag->item_count) {
$tag->updateItemCount();
}
if ($tag->ascii_id and in_array($tag->id, $in_set)) {
$entry = $tag->injectAtomEntryData($feed->addEntry('set'), null, $app_root);
$entry->addCategory($tag->item_count, "http://daseproject.org/category/item_count");
}
}
/*********************************************/
} else {
$feed->setTitle('All Public Sets');
$tags = new Dase_DBO_Tag($db);
$tags->is_public = true;
$tags->orderBy('updated DESC');
foreach ($tags->find() as $tag) {
$tag = clone $tag;
if (!$tag->item_count) {
$tag->updateItemCount();
}
if ($tag->ascii_id) {
//compat: make sure tag has ascii_id
$entry = $tag->injectAtomEntryData($feed->addEntry('set'), null, $app_root);
$entry->addCategory($tag->item_count, "http://daseproject.org/category/item_count");
}
}
}
$feed->sortByTitle();
return $feed->asXml();
}
