Fix corr challenges
[vchess.git] / server / models / Game.js
... / ...
CommitLineData
1var db = require("../utils/database");
2const UserModel = require("./User");
3
4/*
5 * Structure table Games:
6 * id: game id (int)
7 * vid: integer (variant id)
8 * fenStart: varchar (initial position)
9 * fen: varchar (current position)
10 * timeControl: string
11 * score: varchar (result)
12 * scoreMsg: varchar ("Time", "Mutual agreement"...)
13 * created: datetime
14 * drawOffer: char ('w','b' or '' for none)
15 *
16 * Structure table Players:
17 * gid: ref game id
18 * uid: ref user id
19 * color: character
20 *
21 * Structure table Moves:
22 * gid: ref game id
23 * squares: varchar (description)
24 * played: datetime
25 * idx: integer
26 *
27 * Structure table Chats:
28 * gid: game id (int)
29 * msg: varchar
30 * name: varchar
31 * added: datetime
32 */
33
34const GameModel =
35{
36 checkGameInfo: function(g) {
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
52 create: function(vid, fen, timeControl, players, cb)
53 {
54 db.serialize(function() {
55 let query =
56 "INSERT INTO Games"
57 + " (vid, fenStart, fen, score, timeControl, created, drawOffer)"
58 + " VALUES (" + vid + ",'" + fen + "','" + fen + "','*','"
59 + timeControl + "'," + Date.now() + ",'')";
60 db.run(query, function(err) {
61 if (!!err)
62 return cb(err);
63 players.forEach((p,idx) => {
64 const color = (idx==0 ? "w" : "b");
65 query =
66 "INSERT INTO Players VALUES " +
67 "(" + this.lastID + "," + p.id + ",'" + color + "')";
68 db.run(query);
69 });
70 cb(null, {gid: this.lastID});
71 });
72 });
73 },
74
75 // TODO: queries here could be async, and wait for all to complete
76 getOne: function(id, cb)
77 {
78 db.serialize(function() {
79 // TODO: optimize queries?
80 let query =
81 // NOTE: g.scoreMsg can be NULL
82 // (in this case score = "*" and no reason to look at it)
83 "SELECT g.id, g.vid, g.fen, g.fenStart, g.timeControl, g.score, " +
84 "g.scoreMsg, g.drawOffer, v.name AS vname " +
85 "FROM Games g " +
86 "JOIN Variants v " +
87 " ON g.vid = v.id " +
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 " +
95 "JOIN Users u " +
96 " ON p.uid = u.id " +
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 =
109 "SELECT msg, name, added " +
110 "FROM Chats " +
111 "WHERE gid = " + id;
112 db.all(query, (err4,chats) => {
113 if (!!err4)
114 return cb(err4);
115 const game = Object.assign({},
116 gameInfo,
117 {
118 players: players,
119 moves: moves,
120 chats: chats,
121 }
122 );
123 return cb(null, game);
124 });
125 });
126 });
127 });
128 });
129 },
130
131 getByUser: function(uid, excluded, cb)
132 {
133 db.serialize(function() {
134 const query =
135 "SELECT DISTINCT gid " +
136 "FROM Players " +
137 "WHERE uid " + (excluded ? "<>" : "=") + " " + uid;
138 db.all(query, (err,gameIds) => {
139 if (!!err)
140 return cb(err);
141 gameIds = gameIds || []; //might be empty
142 let gameArray = [];
143 for (let i=0; i<gameIds.length; i++)
144 {
145 GameModel.getOne(gameIds[i]["gid"], (err2,game) => {
146 if (!!err2)
147 return cb(err2);
148 gameArray.push(game);
149 // Call callback function only when gameArray is complete:
150 if (i == gameIds.length - 1)
151 return cb(null, gameArray);
152 });
153 }
154 });
155 });
156 },
157
158 getPlayers: function(id, cb)
159 {
160 db.serialize(function() {
161 const query =
162 "SELECT id " +
163 "FROM Players " +
164 "WHERE gid = " + id;
165 db.all(query, (err,players) => {
166 return cb(err, players);
167 });
168 });
169 },
170
171 checkGameUpdate: function(obj)
172 {
173 // Check all that is possible (required) in obj:
174 if (!!obj.move)
175 {
176 if (!obj.move.played.toString().match(/^[0-9]+$/))
177 return "Wrong move played time";
178 if (!obj.move.idx.toString().match(/^[0-9]+$/))
179 return "Wrong move index";
180 }
181 if (!!obj.drawOffer && !obj.drawOffer.match(/^[wbtn]$/))
182 return "Wrong draw offer format";
183 if (!!obj.fen && !obj.fen.match(/^[a-zA-Z0-9, /-]*$/))
184 return "Wrong FEN string";
185 if (!!obj.score && !obj.score.match(/^[012?*\/-]+$/))
186 return "Wrong characters in score";
187 if (!!obj.scoreMsg && !obj.scoreMsg.match(/^[a-zA-Z ]+$/))
188 return "Wrong characters in score message";
189 if (!!obj.chat)
190 return UserModel.checkNameEmail({name: obj.chat.name});
191 return "";
192 },
193
194 // obj can have fields move, chat, fen, drawOffer and/or score
195 update: function(id, obj)
196 {
197 db.parallelize(function() {
198 let query =
199 "UPDATE Games " +
200 "SET ";
201 let modifs = "";
202 if (!!obj.message)
203 modifs += "message = message || ' ' || '" + obj.message + "',";
204 // NOTE: if drawOffer is set, we should check that it's player's turn
205 // A bit overcomplicated. Let's trust the client on that for now...
206 if (!!obj.drawOffer)
207 {
208 if (obj.drawOffer == "n") //Special "None" update
209 obj.drawOffer = "";
210 modifs += "drawOffer = '" + obj.drawOffer + "',";
211 }
212 if (!!obj.fen)
213 modifs += "fen = '" + obj.fen + "',";
214 if (!!obj.score)
215 modifs += "score = '" + obj.score + "',";
216 if (!!obj.scoreMsg)
217 modifs += "scoreMsg = '" + obj.scoreMsg + "',";
218 modifs = modifs.slice(0,-1); //remove last comma
219 if (modifs.length > 0)
220 {
221 query += modifs + " WHERE id = " + id;
222 db.run(query);
223 }
224 if (!!obj.move)
225 {
226 const m = obj.move;
227 query =
228 "INSERT INTO Moves (gid, squares, played, idx) VALUES " +
229 "(" + id + ",?," + m.played + "," + m.idx + ")";
230 db.run(query, JSON.stringify(m.squares));
231 }
232 if (!!obj.chat)
233 {
234 query =
235 "INSERT INTO Chats (gid, msg, name, added) VALUES ("
236 + id + ",?,'" + obj.chat.name + "'," + Date.now() + ")";
237 db.run(query, obj.chat.msg);
238 }
239 });
240 },
241
242 remove: function(id)
243 {
244 db.parallelize(function() {
245 let query =
246 "DELETE FROM Games " +
247 "WHERE id = " + id;
248 db.run(query);
249 query =
250 "DELETE FROM Players " +
251 "WHERE gid = " + id;
252 db.run(query);
253 query =
254 "DELETE FROM Moves " +
255 "WHERE gid = " + id;
256 db.run(query);
257 query =
258 "DELETE FROM Chats " +
259 "WHERE gid = " + id;
260 db.run(query);
261 });
262 },
263
264 cleanGamesDb: function()
265 {
266 const tsNow = Date.now();
267 // 86400000 = 24 hours in milliseconds
268 const day = 86400000;
269 db.serialize(function() {
270 let query =
271 "SELECT id,score,created " +
272 "FROM Games ";
273 db.all(query, (err,games) => {
274 games.forEach(g => {
275 query =
276 "SELECT max(played) AS lastMaj " +
277 "FROM Moves " +
278 "WHERE gid = " + g.id;
279 db.get(query, (err2,updated) => {
280 if (!updated.lastMaj)
281 {
282 if (tsNow - g.created > 7*day)
283 return GameModel.remove(g.id);
284 }
285 else //at least one move
286 {
287 const lastMaj = updated.lastMaj;
288 if (g.score != "*" && tsNow - lastMaj > 7*day ||
289 g.score == "*" && tsNow - lastMaj > 91*day)
290 {
291 GameModel.remove(g.id);
292 }
293 }
294 });
295 });
296 });
297 });
298 },
299}
300
301module.exports = GameModel;