var db = require("../utils/database");
/*
- * Structure table Challenges:
+ * Structure:
* id: integer
* added: datetime
* uid: user id (int)
+ * target: recipient id (optional)
* vid: variant id (int)
- * nbPlayers: integer
* fen: varchar (optional)
- * mainTime: integer
- * addTime: integer
- *
- * Structure table WillPlay:
- * cid: ref challenge id
- * uid: ref user id
+ * timeControl: string (3m+2s, 7d+1d ...)
*/
const ChallengeModel =
{
- // fen cannot be undefined; TODO: generate fen on server instead
+ checkChallenge: function(c)
+ {
+ if (!c.vid.match(/^[0-9]+$/))
+ return "Wrong variant ID";
+
+ if (!c.timeControl.match(/^[0-9dhms +]+$/))
+ return "Wrong characters in time control";
+
+ if (!c.fen.match(/^[a-zA-Z0-9, /-]+$/))
+ return "Bad FEN string";
+ },
+
+ // fen cannot be undefined
create: function(c, cb)
{
db.serialize(function() {
let query =
"INSERT INTO Challenges " +
- "(added, uid, vid, nbPlayers, fen, mainTime, addTime) VALUES " +
- "(" + Date.now() + "," + c.uid + "," + c.vid + "," + c.nbPlayers +
- ",'" + c.fen + "'," + c.mainTime + "," + c.increment + ")";
+ "(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 => {
if (!!err)
return cb(err);
db.get("SELECT last_insert_rowid() AS rowid", (err2,lastId) => {
- query =
- "INSERT INTO WillPlay VALUES " +
- "(" + lastId["rowid"] + "," + c.uid + ")";
- db.run(query, (err,ret) => {
- cb(err, lastId); //all we need is the challenge ID
- });
- });
- });
+ return cb(err2, lastId);
+ });
+ });
});
},
db.serialize(function() {
let query =
"SELECT * " +
- "FROM Challenges c " +
- "JOIN Variants v " +
- " ON c.vid = v.id "
+ "FROM Challenges " +
"WHERE id = " + id;
db.get(query, (err,challengeInfo) => {
if (!!err)
return cb(err);
+ let condition = "";
+ if (!!challengeInfo.to)
+ condition = "IN (" + challengeInfo.uid + "," + challengeInfo.to + ")";
+ else
+ condition = "= " + challengeInfo.uid;
query =
- "SELECT w.uid AS id, u.name " +
- "FROM WillPlay w " +
- "JOIN Users u " +
- " ON w.uid = u.id " +
- "WHERE w.cid = " + id;
+ "SELECT id, name " +
+ "FROM Users " +
+ "WHERE id " + condition;
db.run(query, (err2,players) => {
if (!!err2)
return cb(err2);
const challenge = {
id: id,
- uid: challengeInfo.uid,
- vname: challengeInfo.name,
+ uid: challengeInfo.uid, //sender (but we don't know who ask)
+ vid: challengeInfo.vid,
added: challengeInfo.added,
- nbPlayers: challengeInfo.nbPlayers,
- players: players, //currently in
+ players: players, //sender + potential receiver
fen: challengeInfo.fen,
- mainTime: challengeInfo.mainTime,
- increment: challengeInfo.addTime,
+ timeControl: challengeInfo.timeControl,
};
return cb(null, challenge);
});
db.run(query, (err,challIds) => {
if (!!err)
return cb(err);
+ challIds = challIds || [];
let challenges = [];
challIds.forEach(cidRow => {
ChallengeModel.getOne(cidRow["cid"], (err2,chall) => {
});
},
- remove: function(id)
+ remove: function(id, uid)
{
- db.parallelize(function() {
+ db.serialize(function() {
let query =
- "DELETE FROM Challenges " +
- "WHERE id = " + id;
- db.run(query);
- query =
- "DELETE FROM WillPlay " +
- "WHERE cid = " + id;
- db.run(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);
+ });
});
},
}