+ // fen cannot be undefined
+ create: function(c, cb)
+ {
+ db.serialize(function() {
+ let query =
+ "INSERT INTO Challenges " +
+ "(added, uid, " + (!!c.to ? "target, " : "") +
+ "vid, fen, timeControl) VALUES " +
+ "(" + Date.now() + "," + c.uid + "," + (!!c.to ? c.to + "," : "") +
+ c.vid + ",'" + c.fen + "','" + c.timeControl + "')";
+ db.run(query, err => {
+ return cb(err);
+ });
+ });
+ },
+
+ getOne: function(id, cb)
+ {
+ db.serialize(function() {
+ let query =
+ "SELECT * " +
+ "FROM Challenges " +
+ "WHERE id = " + id;
+ db.get(query, (err,challenge) => {
+ return cb(err, challenge);
+ });
+ });
+ },
+
+ // all challenges except where target is defined and not me
+ getByUser: function(uid, cb)
+ {
+ db.serialize(function() {
+ const query =
+ "SELECT * " +
+ "FROM Challenges " +
+ "WHERE target IS NULL OR target = " + uid;
+ db.run(query, (err,challenges) => {
+ return cb(err, challenges);
+ });
+ });
+ },
+
+ remove: function(id, uid)
+ {
+ db.serialize(function() {
+ let query =
+ "SELECT 1 " +
+ "FROM Challenges " +
+ "WHERE id = " + id + " AND uid = " + uid;
+ db.run(query, (err,rows) => {
+ if (rows.length == 0)
+ return res.json({errmsg: "Not your challenge"});
+ query =
+ "DELETE FROM Challenges " +
+ "WHERE id = " + id;
+ db.run(query);
+ });
+ });
+ },