+ checkGameInfo: function(g) {
+ if (!g.vid.toString().match(/^[0-9]+$/))
+ return "Wrong variant ID";
+ if (!g.vname.match(/^[a-zA-Z0-9]+$/))
+ return "Wrong variant name";
+ if (!g.timeControl.match(/^[0-9dhms +]+$/))
+ return "Wrong characters in time control";
+ if (!g.fen.match(/^[a-zA-Z0-9, /-]*$/))
+ return "Bad FEN string";
+ if (g.players.length != 2)
+ return "Need exactly 2 players";
+ if (g.players.some(p => !p.id.toString().match(/^[0-9]+$/)))
+ return "Wrong characters in player ID";
+ return "";
+ },
+
+ create: function(vid, fen, timeControl, players, cb)
+ {
+ db.serialize(function() {
+ let query =
+ "INSERT INTO Games"
+ + " (vid, fenStart, fen, score, timeControl, created, drawOffer)"
+ + " VALUES (" + vid + ",'" + fen + "','" + fen + "','*','"
+ + timeControl + "'," + Date.now() + ",'')";
+ db.run(query, function(err) {
+ if (!!err)
+ return cb(err);
+ players.forEach((p,idx) => {
+ const color = (idx==0 ? "w" : "b");
+ query =
+ "INSERT INTO Players VALUES " +
+ "(" + this.lastID + "," + p.id + ",'" + color + "')";
+ db.run(query);
+ });
+ cb(null, {gid: this.lastID});
+ });
+ });
+ },
+
+ // TODO: queries here could be async, and wait for all to complete
+ getOne: function(id, cb)
+ {
+ db.serialize(function() {
+ // TODO: optimize queries?
+ let query =
+ // NOTE: g.scoreMsg can be NULL
+ // (in this case score = "*" and no reason to look at it)
+ "SELECT g.id, g.vid, g.fen, g.fenStart, g.timeControl, g.score, " +
+ "g.scoreMsg, v.name AS vname " +
+ "FROM Games g " +
+ "JOIN Variants v " +
+ " ON g.vid = v.id " +
+ "WHERE g.id = " + id;
+ db.get(query, (err,gameInfo) => {
+ if (!!err)
+ return cb(err);
+ query =
+ "SELECT p.uid, p.color, u.name " +
+ "FROM Players p " +
+ "JOIN Users u " +
+ " ON p.uid = u.id " +
+ "WHERE p.gid = " + id;
+ db.all(query, (err2,players) => {
+ if (!!err2)
+ return cb(err2);
+ query =
+ "SELECT squares, played, idx " +
+ "FROM Moves " +
+ "WHERE gid = " + id;
+ db.all(query, (err3,moves) => {
+ if (!!err3)
+ return cb(err3);
+ query =
+ "SELECT msg, name, added " +
+ "FROM Chats " +
+ "WHERE gid = " + id;
+ db.all(query, (err4,chats) => {
+ if (!!err4)
+ return cb(err4);
+ const game = Object.assign({},
+ gameInfo,
+ {
+ players: players,
+ moves: moves,
+ chats: chats,
+ }
+ );
+ return cb(null, game);
+ });
+ });
+ });
+ });
+ });
+ },
+
+ getByUser: function(uid, excluded, cb)
+ {
+ db.serialize(function() {
+ const query =
+ "SELECT DISTINCT gid " +
+ "FROM Players " +
+ "WHERE uid " + (excluded ? "<>" : "=") + " " + uid;
+ db.all(query, (err,gameIds) => {
+ if (!!err)
+ return cb(err);
+ gameIds = gameIds || []; //might be empty
+ let gameArray = [];
+ for (let i=0; i<gameIds.length; i++)
+ {
+ GameModel.getOne(gameIds[i]["gid"], (err2,game) => {
+ if (!!err2)
+ return cb(err2);
+ gameArray.push(game);
+ // Call callback function only when gameArray is complete:
+ if (i == gameIds.length - 1)
+ return cb(null, gameArray);
+ });
+ }
+ });
+ });
+ },
+
+ getPlayers: function(id, cb)
+ {
+ db.serialize(function() {
+ const query =
+ "SELECT id " +
+ "FROM Players " +
+ "WHERE gid = " + id;
+ db.all(query, (err,players) => {
+ return cb(err, players);
+ });
+ });
+ },
+
+ checkGameUpdate: function(obj)
+ {
+ // Check all that is possible (required) in obj:
+ if (!!obj.move)
+ {
+ if (!obj.move.played.toString().match(/^[0-9]+$/))
+ return "Wrong move played time";
+ if (!obj.move.idx.toString().match(/^[0-9]+$/))
+ return "Wrong move index";
+ }
+ if (!!obj.fen && !obj.fen.match(/^[a-zA-Z0-9, /-]*$/))
+ return "Wrong FEN string";
+ if (!!obj.score && !obj.score.match(/^[012?*\/-]+$/))
+ return "Wrong characters in score";
+ if (!!obj.scoreMsg && !obj.scoreMsg.match(/^[a-zA-Z ]+$/))
+ return "Wrong characters in score message";
+ if (!!obj.chat)
+ return UserModel.checkNameEmail({name: obj.chat.name});
+ return "";
+ },