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00f2759e BA |
1 | var db = require("../utils/database"); |
2 | ||
3 | /* | |
4 | * Structure table Games: | |
5 | * id: game id (int) | |
6 | * vid: integer (variant id) | |
ab4f4bf2 BA |
7 | * fenStart: varchar (initial position) |
8 | * fen: varchar (current position) | |
a9b131f1 | 9 | * timeControl: string |
00f2759e | 10 | * score: varchar (result) |
83494c7f | 11 | * created: datetime |
00f2759e BA |
12 | * |
13 | * Structure table Players: | |
14 | * gid: ref game id | |
15 | * uid: ref user id | |
16 | * color: character | |
17 | * | |
18 | * Structure table Moves: | |
ab4f4bf2 | 19 | * gid: ref game id |
f41ce580 | 20 | * squares: varchar (description) |
ab4f4bf2 | 21 | * message: text |
00f2759e BA |
22 | * played: datetime |
23 | * idx: integer | |
00f2759e BA |
24 | */ |
25 | ||
ab4f4bf2 | 26 | const GameModel = |
00f2759e | 27 | { |
a9b131f1 | 28 | create: function(vid, fen, timeControl, players, cb) |
ab4f4bf2 | 29 | { |
88667455 | 30 | db.serialize(function() { |
ab4f4bf2 | 31 | let query = |
d431028c BA |
32 | "INSERT INTO Games (vid, fenStart, fen, score, timeControl, created)" |
33 | + " VALUES (" + vid + ",'" + fen + "','" + fen + "','*','" | |
34 | + timeControl + "'," + Date.now() + ")"; | |
8c564f46 | 35 | db.run(query, function(err) { |
cf742aaf BA |
36 | if (!!err) |
37 | return cb(err); | |
8c564f46 BA |
38 | players.forEach((p,idx) => { |
39 | const color = (idx==0 ? "w" : "b"); | |
2be5d614 BA |
40 | query = |
41 | "INSERT INTO Players VALUES " + | |
f41ce580 | 42 | "(" + this.lastID + "," + p.id + ",'" + color + "')"; |
2be5d614 BA |
43 | db.run(query); |
44 | }); | |
45 | cb(null, {gid: this.lastID}); | |
00f2759e BA |
46 | }); |
47 | }); | |
ab4f4bf2 | 48 | }, |
00f2759e | 49 | |
ab4f4bf2 BA |
50 | // TODO: queries here could be async, and wait for all to complete |
51 | getOne: function(id, cb) | |
52 | { | |
53 | db.serialize(function() { | |
f41ce580 | 54 | // TODO: optimize queries? |
ab4f4bf2 | 55 | let query = |
f41ce580 BA |
56 | "SELECT g.id, g.vid, g.fen, g.fenStart, g.timeControl, g.score, " + |
57 | "v.name AS vname " + | |
58 | "FROM Games g " + | |
59 | "JOIN Variants v " + | |
60 | " ON g.vid = v.id " + | |
61 | "WHERE g.id = " + id; | |
ab4f4bf2 BA |
62 | db.get(query, (err,gameInfo) => { |
63 | if (!!err) | |
64 | return cb(err); | |
00f2759e | 65 | query = |
f41ce580 BA |
66 | "SELECT p.uid, p.color, u.name " + |
67 | "FROM Players p " + | |
68 | "JOIN Users u " + | |
69 | " ON p.uid = u.id " + | |
70 | "WHERE p.gid = " + id; | |
fd7aea36 | 71 | db.all(query, (err2,players) => { |
ab4f4bf2 BA |
72 | if (!!err2) |
73 | return cb(err2); | |
74 | query = | |
92b82def | 75 | "SELECT squares, message, played, idx " + |
ab4f4bf2 BA |
76 | "FROM Moves " + |
77 | "WHERE gid = " + id; | |
fd7aea36 | 78 | db.all(query, (err3,moves) => { |
ab4f4bf2 BA |
79 | if (!!err3) |
80 | return cb(err3); | |
fd7aea36 BA |
81 | const game = Object.assign({}, |
82 | gameInfo, | |
83 | { | |
84 | players: players, | |
85 | moves: moves | |
86 | } | |
87 | ); | |
ab4f4bf2 BA |
88 | return cb(null, game); |
89 | }); | |
00f2759e BA |
90 | }); |
91 | }); | |
92 | }); | |
ab4f4bf2 | 93 | }, |
00f2759e | 94 | |
5d04793e | 95 | getByUser: function(uid, excluded, cb) |
ab4f4bf2 BA |
96 | { |
97 | db.serialize(function() { | |
98 | // Next query is fine because a player appear at most once in a game | |
99 | const query = | |
100 | "SELECT gid " + | |
101 | "FROM Players " + | |
5d04793e | 102 | "WHERE uid " + (excluded ? "<>" : "=") + " " + uid; |
afd3240d | 103 | db.all(query, (err,gameIds) => { |
ab4f4bf2 BA |
104 | if (!!err) |
105 | return cb(err); | |
098cd7f1 | 106 | gameIds = gameIds || []; //might be empty |
ab4f4bf2 | 107 | let gameArray = []; |
afd3240d BA |
108 | for (let i=0; i<gameIds.length; i++) |
109 | { | |
110 | GameModel.getOne(gameIds[i]["gid"], (err2,game) => { | |
ab4f4bf2 BA |
111 | if (!!err2) |
112 | return cb(err2); | |
113 | gameArray.push(game); | |
afd3240d BA |
114 | // Call callback function only when gameArray is complete: |
115 | if (i == gameIds.length - 1) | |
116 | return cb(null, gameArray); | |
ab4f4bf2 | 117 | }); |
afd3240d | 118 | } |
ab4f4bf2 BA |
119 | }); |
120 | }); | |
121 | }, | |
122 | ||
411d23cd BA |
123 | getPlayers: function(id, cb) |
124 | { | |
125 | db.serialize(function() { | |
126 | const query = | |
127 | "SELECT id " + | |
128 | "FROM Players " + | |
129 | "WHERE gid = " + id; | |
130 | db.all(query, (err,players) => { | |
131 | return cb(err, players); | |
132 | }); | |
133 | }); | |
134 | }, | |
135 | ||
3d55deea | 136 | // obj can have fields move, fen and/or score |
f41ce580 | 137 | update: function(id, obj) |
3d55deea | 138 | { |
f41ce580 | 139 | db.parallelize(function() { |
3d55deea BA |
140 | let query = |
141 | "UPDATE Games " + | |
142 | "SET "; | |
3d55deea | 143 | if (!!obj.fen) |
afc42601 | 144 | query += "fen = '" + obj.fen + "',"; |
3d55deea | 145 | if (!!obj.score) |
afc42601 | 146 | query += "score = '" + obj.score + "',"; |
3d55deea | 147 | query = query.slice(0,-1); //remove last comma |
afc42601 | 148 | query += " WHERE id = " + id; |
f41ce580 BA |
149 | db.run(query); |
150 | if (!!obj.move) | |
151 | { | |
afc42601 | 152 | const m = obj.move; |
f41ce580 | 153 | query = |
92b82def | 154 | "INSERT INTO Moves (gid, squares, message, played, idx) VALUES " + |
f41ce580 | 155 | "(" + id + ",'" + JSON.stringify(m.squares) + "','" + m.message + |
92b82def | 156 | "'," + m.played + "," + m.idx + ")"; |
f41ce580 BA |
157 | db.run(query); |
158 | } | |
3d55deea BA |
159 | }); |
160 | }, | |
161 | ||
ab4f4bf2 BA |
162 | remove: function(id) |
163 | { | |
164 | db.parallelize(function() { | |
165 | let query = | |
166 | "DELETE FROM Games " + | |
167 | "WHERE id = " + id; | |
168 | db.run(query); | |
169 | query = | |
170 | "DELETE FROM Players " + | |
171 | "WHERE gid = " + id; | |
172 | db.run(query); | |
173 | query = | |
174 | "DELETE FROM Moves " + | |
175 | "WHERE gid = " + id; | |
176 | db.run(query); | |
177 | }); | |
178 | }, | |
d431028c BA |
179 | |
180 | cleanGamesDb: function() | |
181 | { | |
182 | const tsNow = Date.now(); | |
183 | // 86400000 = 24 hours in milliseconds | |
184 | const day = 86400000; | |
185 | db.serialize(function() { | |
186 | let query = | |
187 | "SELECT id,score " + | |
188 | "FROM Games "; | |
189 | db.all(query, (err,games) => { | |
190 | games.forEach(g => { | |
191 | query = | |
192 | "SELECT max(played) AS lastMaj " + | |
193 | "FROM Moves " + | |
194 | "WHERE gid = " + g.id; | |
f21cd6d9 | 195 | db.get(query, (err2,updated) => { |
d431028c BA |
196 | if (!updated && tsNow - g.created > 7*day) |
197 | return GameModel.remove(g.id); | |
198 | const lastMaj = updated.lastMaj; | |
199 | if (g.score != "*" && tsNow - lastMaj > 7*day || | |
200 | g.score == "*" && tsNow - lastMaj > 91*day) | |
201 | { | |
202 | GameModel.remove(g.id); | |
203 | } | |
204 | }); | |
205 | }); | |
206 | }); | |
207 | }); | |
208 | }, | |
00f2759e | 209 | } |
ab4f4bf2 BA |
210 | |
211 | module.exports = GameModel; |