/** Restore the collection DAG from the database.
*
* @param dag The collection DAG to restore to.
*/
void
xmms_collection_dag_restore (xmms_coll_dag_t *dag)
{
xmmsv_coll_t *coll = NULL;
xmms_medialib_session_t *session;
xmmsv_t *cmdval;
const gchar *query;
GList *res;
gint previd;
session = xmms_medialib_begin ();
/* Fetch all label-coll_operator for all namespaces, register in table */
query = "SELECT op.id AS id, lbl.name AS label, "
" lbl.namespace AS nsid, op.type AS type "
"FROM CollectionOperators AS op, CollectionLabels as lbl "
"WHERE op.id=lbl.collid "
"ORDER BY id";
res = xmms_medialib_select (session, query, NULL);
previd = -1;
while (res) {
gint id, type, nsid;
const gchar *label;
cmdval = (xmmsv_t*) res->data;
id = value_get_dict_int (cmdval, "id");
type = value_get_dict_int (cmdval, "type");
nsid = value_get_dict_int (cmdval, "nsid");
label = value_get_dict_string (cmdval, "label");
/* Do not duplicate operator if same id */
if (previd < 0 || id != previd) {
coll = xmms_collection_dbread_operator (session, id, type);
previd = id;
}
else {
xmmsv_coll_ref (coll); /* New label references the coll */
}
xmms_collection_dag_replace (dag, nsid, g_strdup (label), coll);
xmmsv_unref (cmdval);
res = g_list_delete_link (res, res);
}
xmms_medialib_end (session);
/* FIXME: validate ? */
/* Link references in collections to actual operators */
xmms_collection_apply_to_all_collections (dag, bind_all_references, NULL);
}
static gchar *
get_url_for_entry (xmms_medialib_entry_t entry)
{
xmms_medialib_session_t *session;
gchar *url = NULL;
session = xmms_medialib_begin ();
url = xmms_medialib_entry_property_get_str (session, entry,
XMMS_MEDIALIB_ENTRY_PROPERTY_URL);
xmms_medialib_end (session);
if (!url) {
xmms_log_error ("Couldn't get url for entry (%d)", entry);
}
return url;
}
