/*
 * Copyright 2013 (c) Anna Schumaker.
 */
#include <database.h>
#include <group.h>

static std::set<unsigned int> empty_set;
Database<IndexEntry, const std::string> group_index("");

void group :: add(const std::string &name, unsigned int track_id)
{
	if ((name == "All Music") || (name == "Library") || (name == "Banned")) {
		try {
			index_insert(group_index, name, track_id);
		} catch (...) {
			return;
		}
	}
}

void group :: del(const std::string &name, unsigned int track_id)
{
	if ((name == "All Music") || (name == "Library") || (name == "Banned")) {
		try {
			index_remove(group_index, name, track_id);
		} catch (...) {
			return;
		}
	}
}

void group :: list(std::list<std::string> &res)
{
	res.push_back("All Music");
	res.push_back("Library");
	res.push_back("Banned");
}

const std::set<unsigned int> &group :: get_tracks(const std::string &name)
{
	try {
		return group_index.find(name).values;
	} catch (...) {
		return empty_set;
	}
}