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