-var db = require("../utils/database");
+const db = require("../utils/database");
+const UserModel = require("./User");
/*
* Structure table Games:
* vid: integer (variant id)
* fenStart: varchar (initial position)
* fen: varchar (current position)
- * timeControl: string
+ * cadence: 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
* uid: ref user id
* color: character
- * rtime: real (remaining time)
*
* Structure table Moves:
* gid: ref game id
- * move: varchar (description)
- * message: text
+ * squares: varchar (description)
* played: datetime
* idx: integer
- * color: character
+ *
+ * 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, score, timeControl) " +
- "VALUES (" + vid + ",'" + fen + "','*','" + timeControl + "')";
+ checkGameInfo: function(g) {
+ return (
+ g.vid.toString().match(/^[0-9]+$/) &&
+ g.cadence.match(/^[0-9dhms +]+$/) &&
+ g.fen.match(/^[a-zA-Z0-9, /-]*$/) &&
+ g.players.length == 2 &&
+ g.players.every(p => p.uid.toString().match(/^[0-9]+$/))
+ );
+ },
+
+ create: function(vid, fen, cadence, players, cb)
+ {
+ db.serialize(function() {
+ let query =
+ "INSERT INTO Games " +
+ "(vid, fenStart, fen, cadence, created) " +
+ "VALUES " +
+ "(" + vid + ",'" + fen + "','" + fen + "','" + cadence + "'," + Date.now() + ")";
db.run(query, function(err) {
- if (!!err)
- return cb(err);
- players.forEach((p,idx) => {
- const color = (idx==0 ? "w" : "b");
+ if (err)
+ cb(err)
+ else
+ {
+ players.forEach((p,idx) => {
+ const color = (idx==0 ? "w" : "b");
+ query =
+ "INSERT INTO Players VALUES " +
+ "(" + this.lastID + "," + p.uid + ",'" + color + "')";
+ db.run(query);
+ });
+ cb(null, {gid: this.lastID});
+ }
+ });
+ });
+ },
+
+ // TODO: some queries here could be async
+ getOne: function(id, cb)
+ {
+ // NOTE: ignoring errors (shouldn't happen at this stage)
+ db.serialize(function() {
+ let query =
+ "SELECT g.id, g.vid, g.fen, g.fenStart, g.cadence, g.created, g.score, " +
+ "g.scoreMsg, g.drawOffer, g.rematchOffer, v.name AS vname " +
+ "FROM Games g " +
+ "JOIN Variants v " +
+ " ON g.vid = v.id " +
+ "WHERE g.id = " + id;
+ db.get(query, (err, gameInfo) => {
+ 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) => {
query =
- "INSERT INTO Players VALUES " +
- // Remaining time = -1 means "unstarted"
- "(" + this.lastID + "," + p.id + ",'" + color + "', -1)";
- db.run(query);
+ "SELECT squares, played, idx " +
+ "FROM Moves " +
+ "WHERE gid = " + id;
+ db.all(query, (err3, moves) => {
+ query =
+ "SELECT msg, name, added " +
+ "FROM Chats " +
+ "WHERE gid = " + id;
+ db.all(query, (err4, chats) => {
+ const game = Object.assign(
+ {},
+ gameInfo,
+ {
+ players: players,
+ moves: moves,
+ chats: chats,
+ }
+ );
+ cb(null, game);
+ });
+ });
});
- cb(null, {gid: this.lastID});
- });
- });
- },
+ });
+ });
+ },
- // TODO: queries here could be async, and wait for all to complete
- getOne: function(id, cb)
- {
- db.serialize(function() {
- let query =
- "SELECT * " +
- "FROM Games " +
- "WHERE id = " + id;
- db.get(query, (err,gameInfo) => {
- if (!!err)
- return cb(err);
- query =
- "SELECT uid, color, rtime " +
- "FROM Players " +
- "WHERE gid = " + id;
- db.all(query, (err2,players) => {
- if (!!err2)
- return cb(err2);
- query =
- "SELECT move, message, played, idx, color " +
- "FROM Moves " +
- "WHERE gid = " + id;
- db.all(query, (err3,moves) => {
- if (!!err3)
- return cb(err3);
- const game = Object.assign({},
+ // For display on MyGames or Hall: no need for moves or chats
+ getByUser: function(uid, excluded, cb)
+ {
+ // Some fields are not required when showing a games list:
+ const getOneLight = (id, cb2) => {
+ let query =
+ "SELECT g.id, g.vid, g.fen, g.cadence, g.created, g.score, " +
+ "g.scoreMsg, g.deletedByWhite, g.deletedByBlack, v.name AS vname " +
+ "FROM Games g " +
+ "JOIN Variants v " +
+ " ON g.vid = v.id " +
+ "WHERE g.id = " + id;
+ db.get(query, (err, gameInfo) => {
+ 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) => {
+ query =
+ "SELECT COUNT(*) AS nbMoves " +
+ "FROM Moves " +
+ "WHERE gid = " + id;
+ db.get(query, (err,ret) => {
+ const game = Object.assign(
+ {},
gameInfo,
- {
- players: players,
- moves: moves
+ {
+ players: players,
+ movesCount: ret.nbMoves
}
);
- return cb(null, game);
- });
- });
- });
- });
- },
+ cb2(game);
+ });
+ });
+ });
+ };
+ db.serialize(function() {
+ let query = "";
+ if (uid == 0) {
+ // Special case anonymous user: show all games
+ query =
+ "SELECT id AS gid " +
+ "FROM Games";
+ }
+ else {
+ // Registered user:
+ query =
+ "SELECT gid " +
+ "FROM Players " +
+ "GROUP BY gid " +
+ "HAVING COUNT(uid = " + uid + " OR NULL) " +
+ (excluded ? " = 0" : " > 0");
+ }
+ db.all(query, (err,gameIds) => {
+ if (err || gameIds.length == 0) cb(err, []);
+ else {
+ let gameArray = [];
+ let gCounter = 0;
+ for (let i=0; i<gameIds.length; i++) {
+ getOneLight(gameIds[i]["gid"], (game) => {
+ gameArray.push(game);
+ gCounter++; //TODO: let's hope this is atomic?!
+ // Call callback function only when gameArray is complete:
+ if (gCounter == gameIds.length)
+ cb(null, gameArray);
+ });
+ }
+ }
+ });
+ });
+ },
+
+ getPlayers: function(id, cb)
+ {
+ db.serialize(function() {
+ const query =
+ "SELECT uid " +
+ "FROM Players " +
+ "WHERE gid = " + id;
+ db.all(query, (err,players) => {
+ return cb(err, players);
+ });
+ });
+ },
- 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.run(query, (err,gameIds) => {
- if (!!err)
- return cb(err);
- gameIds = gameIds || []; //might be empty
- let gameArray = [];
- gameIds.forEach(gidRow => {
- GameModel.getOne(gidRow["gid"], (err2,game) => {
- if (!!err2)
- return cb(err2);
- gameArray.push(game);
- });
- });
- return cb(null, gameArray);
- });
- });
- },
+ checkGameUpdate: function(obj)
+ {
+ // Check all that is possible (required) in obj:
+ return (
+ (
+ !obj.move || (
+ !!(obj.move.played.toString().match(/^[0-9]+$/)) &&
+ !!(obj.move.idx.toString().match(/^[0-9]+$/))
+ )
+ ) && (
+ !obj.drawOffer || !!(obj.drawOffer.match(/^[wbtn]$/))
+ ) && (
+ !obj.rematchOffer || !!(obj.rematchOffer.match(/^[wbn]$/))
+ ) && (
+ !obj.fen || !!(obj.fen.match(/^[a-zA-Z0-9, /-]*$/))
+ ) && (
+ !obj.score || !!(obj.score.match(/^[012?*\/-]+$/))
+ ) && (
+ !obj.scoreMsg || !!(obj.scoreMsg.match(/^[a-zA-Z ]+$/))
+ ) && (
+ !obj.chat || UserModel.checkNameEmail({name: obj.chat.name})
+ )
+ );
+ },
- 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);
- });
- },
+ // obj can have fields move, chat, fen, drawOffer and/or score + message
+ update: function(id, obj, cb)
+ {
+ db.parallelize(function() {
+ let query =
+ "UPDATE Games " +
+ "SET ";
+ let modifs = "";
+ // 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.rematchOffer)
+ {
+ if (obj.rematchOffer == "n") //special "None" update
+ obj.rematchOffer = "";
+ modifs += "rematchOffer = '" + obj.rematchOffer + "',";
+ }
+ if (!!obj.fen)
+ modifs += "fen = '" + obj.fen + "',";
+ if (!!obj.score)
+ modifs += "score = '" + obj.score + "',";
+ if (!!obj.scoreMsg)
+ modifs += "scoreMsg = '" + obj.scoreMsg + "',";
+ if (!!obj.deletedBy) {
+ const myColor = obj.deletedBy == 'w' ? "White" : "Black";
+ modifs += "deletedBy" + myColor + " = true,";
+ }
+ modifs = modifs.slice(0,-1); //remove last comma
+ if (modifs.length > 0)
+ {
+ query += modifs + " WHERE id = " + id;
+ db.run(query);
+ }
+ // NOTE: move, chat and delchat are mutually exclusive
+ if (!!obj.move)
+ {
+ // Security: only update moves if index is right
+ query =
+ "SELECT MAX(idx) AS maxIdx " +
+ "FROM Moves " +
+ "WHERE gid = " + id;
+ db.get(query, (err,ret) => {
+ const m = obj.move;
+ if (!ret.maxIdx || ret.maxIdx + 1 == m.idx) {
+ query =
+ "INSERT INTO Moves (gid, squares, played, idx) VALUES " +
+ "(" + id + ",?," + m.played + "," + m.idx + ")";
+ db.run(query, JSON.stringify(m.squares));
+ cb(null);
+ }
+ else cb({errmsg:"Wrong move index"});
+ });
+ }
+ else cb(null);
+ if (!!obj.chat)
+ {
+ query =
+ "INSERT INTO Chats (gid, msg, name, added) VALUES ("
+ + id + ",?,'" + obj.chat.name + "'," + Date.now() + ")";
+ db.run(query, obj.chat.msg);
+ }
+ else if (obj.delchat)
+ {
+ query =
+ "DELETE " +
+ "FROM Chats " +
+ "WHERE gid = " + id;
+ db.run(query);
+ }
+ if (!!obj.deletedBy) {
+ // Did my opponent delete it too?
+ let selection =
+ "deletedBy" +
+ (obj.deletedBy == 'w' ? "Black" : "White") +
+ " AS deletedByOpp";
+ query =
+ "SELECT " + selection + " " +
+ "FROM Games " +
+ "WHERE id = " + id;
+ db.get(query, (err,ret) => {
+ // If yes: just remove game
+ if (!!ret.deletedByOpp) GameModel.remove(id);
+ });
+ }
+ });
+ },
+
+ 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 tsNow = Date.now();
+ // 86400000 = 24 hours in milliseconds
+ const day = 86400000;
+ db.serialize(function() {
+ let query =
+ "SELECT id, created " +
+ "FROM Games ";
+ db.all(query, (err,games) => {
+ games.forEach(g => {
+ query =
+ "SELECT count(*) as nbMoves, max(played) AS lastMaj " +
+ "FROM Moves " +
+ "WHERE gid = " + g.id;
+ db.get(query, (err2,mstats) => {
+ // Remove games still not really started,
+ // with no action in the last 3 months:
+ if ((mstats.nbMoves == 0 && tsNow - g.created > 91*day) ||
+ (mstats.nbMoves == 1 && tsNow - mstats.lastMaj > 91*day))
+ {
+ GameModel.remove(g.id);
+ }
+ });
+ });
+ });
+ });
+ },
}
module.exports = GameModel;
projects / vchess.git / blobdiff