var db = require("../utils/database");
+const UserModel = require("./User");
/*
* Structure table Games:
* fen: varchar (current position)
* timeControl: string
* score: varchar (result)
+ * scoreMsg: varchar ("Time", "Mutual agreement"...)
* created: datetime
+ * drawOffer: char ('w','b' or '' for none)
*
* Structure table Players:
* gid: ref game id
* Structure table Moves:
* gid: ref game id
* squares: varchar (description)
- * message: text
* played: datetime
* idx: integer
+ *
+ * Structure table Chats:
+ * gid: game id (int)
+ * msg: varchar
+ * name: varchar
+ * added: datetime
*/
const GameModel =
{
- create: function(vid, fen, timeControl, players, cb)
- {
- db.serialize(function() {
- let query =
- "INSERT INTO Games (vid, fenStart, fen, score, timeControl, created)"
+ 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() + ")";
+ + timeControl + "'," + Date.now() + ",'')";
db.run(query, function(err) {
if (!!err)
return cb(err);
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: queries here could be async, and wait for all to complete
+ getOne: function(id, cb)
+ {
+ db.serialize(function() {
// TODO: optimize queries?
- let query =
- "SELECT g.id, g.vid, g.fen, g.fenStart, g.timeControl, g.score, " +
- "v.name AS vname " +
- "FROM Games g " +
+ 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, g.drawOffer, 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 " +
+ "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, message, played, idx " +
- "FROM Moves " +
- "WHERE gid = " + id;
- db.all(query, (err3,moves) => {
- if (!!err3)
- return cb(err3);
- const game = Object.assign({},
- gameInfo,
- {
- players: players,
- moves: moves
- }
- );
- return cb(null, game);
- });
- });
- });
- });
- },
+ "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() {
- // Next query is fine because a player appear at most once in a game
- const query =
- "SELECT gid " +
- "FROM Players " +
- "WHERE uid " + (excluded ? "<>" : "=") + " " + uid;
- db.all(query, (err,gameIds) => {
- if (!!err)
- return cb(err);
+ 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);
- });
- }
- });
- });
- },
+ 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)
{
});
},
- // obj can have fields move, fen and/or score
+ 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]+$/))
+ return "Wrong move index";
+ }
+ if (!!obj.drawOffer && !obj.drawOffer.match(/^[wbtn]$/))
+ return "Wrong draw offer format";
+ 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 "";
+ },
+
+ // obj can have fields move, chat, fen, drawOffer and/or score
update: function(id, obj)
{
- db.parallelize(function() {
+ db.parallelize(function() {
let query =
"UPDATE Games " +
"SET ";
+ let modifs = "";
+ if (!!obj.message)
+ modifs += "message = message || ' ' || '" + obj.message + "',";
+ // NOTE: if drawOffer is set, we should check that it's player's turn
+ // A bit overcomplicated. Let's trust the client on that for now...
+ if (!!obj.drawOffer)
+ {
+ if (obj.drawOffer == "n") //Special "None" update
+ obj.drawOffer = "";
+ modifs += "drawOffer = '" + obj.drawOffer + "',";
+ }
if (!!obj.fen)
- query += "fen = '" + obj.fen + "',";
+ modifs += "fen = '" + obj.fen + "',";
if (!!obj.score)
- query += "score = '" + obj.score + "',";
- query = query.slice(0,-1); //remove last comma
- query += " WHERE id = " + id;
- db.run(query);
+ modifs += "score = '" + obj.score + "',";
+ if (!!obj.scoreMsg)
+ modifs += "scoreMsg = '" + obj.scoreMsg + "',";
+ modifs = modifs.slice(0,-1); //remove last comma
+ if (modifs.length > 0)
+ {
+ query += modifs + " WHERE id = " + id;
+ db.run(query);
+ }
if (!!obj.move)
{
const m = obj.move;
query =
- "INSERT INTO Moves (gid, squares, message, played, idx) VALUES " +
- "(" + id + ",'" + JSON.stringify(m.squares) + "','" + m.message +
- "'," + m.played + "," + m.idx + ")";
- db.run(query);
+ "INSERT INTO Moves (gid, squares, played, idx) VALUES " +
+ "(" + id + ",?," + m.played + "," + m.idx + ")";
+ db.run(query, JSON.stringify(m.squares));
+ }
+ if (!!obj.chat)
+ {
+ query =
+ "INSERT INTO Chats (gid, msg, name, added) VALUES ("
+ + id + ",?,'" + obj.chat.name + "'," + Date.now() + ")";
+ db.run(query, obj.chat.msg);
}
});
},
- remove: function(id)
- {
- db.parallelize(function() {
- let query =
- "DELETE FROM Games " +
- "WHERE id = " + id;
- db.run(query);
- query =
- "DELETE FROM Players " +
- "WHERE gid = " + id;
- db.run(query);
- query =
- "DELETE FROM Moves " +
- "WHERE gid = " + id;
- db.run(query);
- });
- },
+ remove: function(id)
+ {
+ db.parallelize(function() {
+ let query =
+ "DELETE FROM Games " +
+ "WHERE id = " + id;
+ db.run(query);
+ query =
+ "DELETE FROM Players " +
+ "WHERE gid = " + id;
+ db.run(query);
+ query =
+ "DELETE FROM Moves " +
+ "WHERE gid = " + id;
+ db.run(query);
+ query =
+ "DELETE FROM Chats " +
+ "WHERE gid = " + id;
+ db.run(query);
+ });
+ },
cleanGamesDb: function()
{
const day = 86400000;
db.serialize(function() {
let query =
- "SELECT id,score " +
+ "SELECT id,score,created " +
"FROM Games ";
db.all(query, (err,games) => {
games.forEach(g => {
"SELECT max(played) AS lastMaj " +
"FROM Moves " +
"WHERE gid = " + g.id;
- db.get(query, (err2,updated) {
- if (!updated && tsNow - g.created > 7*day)
- return GameModel.remove(g.id);
- const lastMaj = updated.lastMaj;
- if (g.score != "*" && tsNow - lastMaj > 7*day ||
- g.score == "*" && tsNow - lastMaj > 91*day)
+ db.get(query, (err2,updated) => {
+ if (!updated.lastMaj)
{
- GameModel.remove(g.id);
+ if (tsNow - g.created > 7*day)
+ return GameModel.remove(g.id);
+ }
+ else //at least one move
+ {
+ const lastMaj = updated.lastMaj;
+ if (g.score != "*" && tsNow - lastMaj > 7*day ||
+ g.score == "*" && tsNow - lastMaj > 91*day)
+ {
+ GameModel.remove(g.id);
+ }
}
});
});