Fix incheck bug
[vchess.git] / server / models / Game.js
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00f2759e 1var db = require("../utils/database");
58e7b94e 2const UserModel = require("./User");
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3
4/*
5 * Structure table Games:
6 * id: game id (int)
7 * vid: integer (variant id)
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8 * fenStart: varchar (initial position)
9 * fen: varchar (current position)
a9b131f1 10 * timeControl: string
00f2759e 11 * score: varchar (result)
dcd68c41 12 * scoreMsg: varchar ("Time", "Mutual agreement"...)
83494c7f 13 * created: datetime
dfeb96ea 14 * drawOffer: char ('w','b' or '' for none)
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15 *
16 * Structure table Players:
17 * gid: ref game id
18 * uid: ref user id
19 * color: character
20 *
21 * Structure table Moves:
ab4f4bf2 22 * gid: ref game id
f41ce580 23 * squares: varchar (description)
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24 * played: datetime
25 * idx: integer
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26 *
27 * Structure table Chats:
28 * gid: game id (int)
29 * msg: varchar
30 * name: varchar
3837d4f7 31 * added: datetime
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32 */
33
ab4f4bf2 34const GameModel =
00f2759e 35{
58e7b94e 36 checkGameInfo: function(g) {
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37 if (!g.vid.toString().match(/^[0-9]+$/))
38 return "Wrong variant ID";
39 if (!g.vname.match(/^[a-zA-Z0-9]+$/))
40 return "Wrong variant name";
41 if (!g.timeControl.match(/^[0-9dhms +]+$/))
42 return "Wrong characters in time control";
43 if (!g.fen.match(/^[a-zA-Z0-9, /-]*$/))
44 return "Bad FEN string";
45 if (g.players.length != 2)
46 return "Need exactly 2 players";
47 if (g.players.some(p => !p.id.toString().match(/^[0-9]+$/)))
48 return "Wrong characters in player ID";
49 return "";
50 },
51
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52 create: function(vid, fen, timeControl, players, cb)
53 {
54 db.serialize(function() {
55 let query =
56 "INSERT INTO Games"
b7cbbda1 57 + " (vid, fenStart, fen, score, timeControl, created, drawOffer)"
d431028c 58 + " VALUES (" + vid + ",'" + fen + "','" + fen + "','*','"
dfeb96ea 59 + timeControl + "'," + Date.now() + ",'')";
8c564f46 60 db.run(query, function(err) {
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61 if (!!err)
62 return cb(err);
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63 players.forEach((p,idx) => {
64 const color = (idx==0 ? "w" : "b");
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65 query =
66 "INSERT INTO Players VALUES " +
f41ce580 67 "(" + this.lastID + "," + p.id + ",'" + color + "')";
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68 db.run(query);
69 });
70 cb(null, {gid: this.lastID});
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71 });
72 });
73 },
00f2759e 74
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75 // TODO: queries here could be async, and wait for all to complete
76 getOne: function(id, cb)
77 {
78 db.serialize(function() {
f41ce580 79 // TODO: optimize queries?
dac39588 80 let query =
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81 // NOTE: g.scoreMsg can be NULL
82 // (in this case score = "*" and no reason to look at it)
dac39588 83 "SELECT g.id, g.vid, g.fen, g.fenStart, g.timeControl, g.score, " +
dcd68c41 84 "g.scoreMsg, v.name AS vname " +
dac39588 85 "FROM Games g " +
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86 "JOIN Variants v " +
87 " ON g.vid = v.id " +
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88 "WHERE g.id = " + id;
89 db.get(query, (err,gameInfo) => {
90 if (!!err)
91 return cb(err);
92 query =
93 "SELECT p.uid, p.color, u.name " +
94 "FROM Players p " +
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95 "JOIN Users u " +
96 " ON p.uid = u.id " +
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97 "WHERE p.gid = " + id;
98 db.all(query, (err2,players) => {
99 if (!!err2)
100 return cb(err2);
101 query =
102 "SELECT squares, played, idx " +
103 "FROM Moves " +
104 "WHERE gid = " + id;
105 db.all(query, (err3,moves) => {
106 if (!!err3)
107 return cb(err3);
108 query =
dcd68c41 109 "SELECT msg, name, added " +
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110 "FROM Chats " +
111 "WHERE gid = " + id;
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112 db.all(query, (err4,chats) => {
113 if (!!err4)
114 return cb(err4);
115 const game = Object.assign({},
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116 gameInfo,
117 {
118 players: players,
119 moves: moves,
120 chats: chats,
121 }
122 );
dac39588 123 return cb(null, game);
3837d4f7 124 });
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125 });
126 });
127 });
128 });
129 },
00f2759e 130
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131 getByUser: function(uid, excluded, cb)
132 {
133 db.serialize(function() {
134 // Next query is fine because a player appear at most once in a game
135 const query =
136 "SELECT gid " +
137 "FROM Players " +
138 "WHERE uid " + (excluded ? "<>" : "=") + " " + uid;
139 db.all(query, (err,gameIds) => {
140 if (!!err)
141 return cb(err);
098cd7f1 142 gameIds = gameIds || []; //might be empty
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143 let gameArray = [];
144 for (let i=0; i<gameIds.length; i++)
145 {
146 GameModel.getOne(gameIds[i]["gid"], (err2,game) => {
147 if (!!err2)
148 return cb(err2);
149 gameArray.push(game);
150 // Call callback function only when gameArray is complete:
151 if (i == gameIds.length - 1)
152 return cb(null, gameArray);
153 });
154 }
155 });
156 });
157 },
ab4f4bf2 158
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159 getPlayers: function(id, cb)
160 {
161 db.serialize(function() {
162 const query =
163 "SELECT id " +
164 "FROM Players " +
165 "WHERE gid = " + id;
166 db.all(query, (err,players) => {
167 return cb(err, players);
168 });
169 });
170 },
171
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172 checkGameUpdate: function(obj)
173 {
174 // Check all that is possible (required) in obj:
175 if (!!obj.move)
176 {
177 if (!obj.move.played.toString().match(/^[0-9]+$/))
178 return "Wrong move played time";
179 if (!obj.move.idx.toString().match(/^[0-9]+$/))
180 return "Wrong move index";
181 }
182 if (!!obj.fen && !obj.fen.match(/^[a-zA-Z0-9, /-]*$/))
183 return "Wrong FEN string";
184 if (!!obj.score && !obj.score.match(/^[012?*\/-]+$/))
185 return "Wrong characters in score";
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186 if (!!obj.scoreMsg && !obj.scoreMsg.match(/^[a-zA-Z ]+$/))
187 return "Wrong characters in score message";
58e7b94e 188 if (!!obj.chat)
58e7b94e 189 return UserModel.checkNameEmail({name: obj.chat.name});
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190 return "";
191 },
192
3837d4f7 193 // obj can have fields move, chat, fen, drawOffer and/or score
f41ce580 194 update: function(id, obj)
3d55deea 195 {
dac39588 196 db.parallelize(function() {
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197 let query =
198 "UPDATE Games " +
199 "SET ";
3837d4f7 200 let modifs = "";
63ca2b89 201 if (!!obj.message)
3837d4f7 202 modifs += "message = message || ' ' || '" + obj.message + "',";
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203 // NOTE: if drawOffer is true, we should check that it's player's turn
204 // A bit overcomplicated. Let's trust the client on that for now...
205 if (!!obj.drawOffer)
3837d4f7 206 modifs += "drawOffer = " + obj.drawOffer + ",";
3d55deea 207 if (!!obj.fen)
3837d4f7 208 modifs += "fen = '" + obj.fen + "',";
3d55deea 209 if (!!obj.score)
3837d4f7 210 modifs += "score = '" + obj.score + "',";
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211 if (!!obj.scoreMsg)
212 modifs += "scoreMsg = '" + obj.scoreMsg + "',";
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213 modifs = modifs.slice(0,-1); //remove last comma
214 if (modifs.length > 0)
215 {
216 query += modifs + " WHERE id = " + id;
217 db.run(query);
218 }
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219 if (!!obj.move)
220 {
afc42601 221 const m = obj.move;
f41ce580 222 query =
63ca2b89 223 "INSERT INTO Moves (gid, squares, played, idx) VALUES " +
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224 "(" + id + ",?," + m.played + "," + m.idx + ")";
225 db.run(query, JSON.stringify(m.squares));
f41ce580 226 }
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227 if (!!obj.chat)
228 {
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229 query =
230 "INSERT INTO Chats (gid, msg, name, added) VALUES ("
41c80bb6 231 + id + ",?,'" + obj.chat.name + "'," + Date.now() + ")";
58e7b94e 232 db.run(query, obj.chat.msg);
3837d4f7 233 }
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234 });
235 },
236
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237 remove: function(id)
238 {
239 db.parallelize(function() {
240 let query =
241 "DELETE FROM Games " +
242 "WHERE id = " + id;
243 db.run(query);
244 query =
245 "DELETE FROM Players " +
246 "WHERE gid = " + id;
247 db.run(query);
248 query =
249 "DELETE FROM Moves " +
250 "WHERE gid = " + id;
251 db.run(query);
252 query =
253 "DELETE FROM Chats " +
254 "WHERE gid = " + id;
255 db.run(query);
256 });
257 },
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258
259 cleanGamesDb: function()
260 {
261 const tsNow = Date.now();
262 // 86400000 = 24 hours in milliseconds
263 const day = 86400000;
264 db.serialize(function() {
265 let query =
266 "SELECT id,score " +
267 "FROM Games ";
268 db.all(query, (err,games) => {
269 games.forEach(g => {
270 query =
271 "SELECT max(played) AS lastMaj " +
272 "FROM Moves " +
273 "WHERE gid = " + g.id;
f21cd6d9 274 db.get(query, (err2,updated) => {
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275 if (!updated && tsNow - g.created > 7*day)
276 return GameModel.remove(g.id);
277 const lastMaj = updated.lastMaj;
278 if (g.score != "*" && tsNow - lastMaj > 7*day ||
279 g.score == "*" && tsNow - lastMaj > 91*day)
280 {
281 GameModel.remove(g.id);
282 }
283 });
284 });
285 });
286 });
287 },
00f2759e 288}
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289
290module.exports = GameModel;