| 1 | var db = require("../utils/database"); |
| 2 | |
| 3 | /* |
| 4 | * Structure table Challenges: |
| 5 | * id: integer |
| 6 | * added: datetime |
| 7 | * uid: user id (int) |
| 8 | * vid: variant id (int) |
| 9 | * nbPlayers: integer |
| 10 | * fen: varchar (optional) |
| 11 | * timeControl: string (3m+2s, 7d+1d ...) |
| 12 | * |
| 13 | * Structure table WillPlay: |
| 14 | * cid: ref challenge id |
| 15 | * uid: ref user id |
| 16 | * yes: boolean (false means "not decided yet") |
| 17 | */ |
| 18 | |
| 19 | const ChallengeModel = |
| 20 | { |
| 21 | checkChallenge: function(c) |
| 22 | { |
| 23 | if (!c.vid.match(/^[0-9]+$/)) |
| 24 | return "Wrong variant ID"; |
| 25 | |
| 26 | if (!c.timeControl.match(/^[0-9dhms +]+$/)) |
| 27 | return "Wrong characters in time control"; |
| 28 | |
| 29 | if (!c.fen.match(/^[a-zA-Z0-9, /-]+$/)) |
| 30 | return "Bad FEN string"; |
| 31 | }, |
| 32 | |
| 33 | initializeWillPlay: function(uids, cid, cb) |
| 34 | { |
| 35 | let query = "INSERT INTO WillPlay VALUES "; |
| 36 | for (let i=0; i<uids.length; i++) |
| 37 | { |
| 38 | query += "(false," + cid + "," + uids[i] + ")"; |
| 39 | if (i < uids.length-1) |
| 40 | query += ","; |
| 41 | } |
| 42 | db.run(query, cb); |
| 43 | }, |
| 44 | |
| 45 | // fen cannot be undefined |
| 46 | create: function(c, cb) |
| 47 | { |
| 48 | db.serialize(function() { |
| 49 | let query = |
| 50 | "INSERT INTO Challenges " + |
| 51 | "(added, uid, vid, nbPlayers, fen, timeControl) VALUES " + |
| 52 | "(" + Date.now() + "," + c.uid + "," + c.vid + "," + c.nbPlayers + |
| 53 | ",'" + c.fen + "'," + c.timeControl + ")"; |
| 54 | db.run(query, err => { |
| 55 | if (!!err) |
| 56 | return cb(err); |
| 57 | db.get("SELECT last_insert_rowid() AS rowid", (err2,lastId) => { |
| 58 | query = |
| 59 | "INSERT INTO WillPlay VALUES " + |
| 60 | "(true," + lastId["rowid"] + "," + c.uid + ")"; |
| 61 | db.run(query, (err,ret) => { |
| 62 | cb(err, lastId); //all we need is the challenge ID |
| 63 | }); |
| 64 | }); |
| 65 | }); |
| 66 | }); |
| 67 | }, |
| 68 | |
| 69 | getOne: function(id, cb) |
| 70 | { |
| 71 | db.serialize(function() { |
| 72 | let query = |
| 73 | "SELECT * " + |
| 74 | "FROM Challenges c " + |
| 75 | "JOIN Variants v " + |
| 76 | " ON c.vid = v.id " |
| 77 | "WHERE id = " + id; |
| 78 | db.get(query, (err,challengeInfo) => { |
| 79 | if (!!err) |
| 80 | return cb(err); |
| 81 | query = |
| 82 | "SELECT w.uid AS id, u.name " + |
| 83 | "FROM WillPlay w " + |
| 84 | "JOIN Users u " + |
| 85 | " ON w.uid = u.id " + |
| 86 | "WHERE w.cid = " + id; |
| 87 | db.run(query, (err2,players) => { |
| 88 | if (!!err2) |
| 89 | return cb(err2); |
| 90 | const challenge = { |
| 91 | id: id, |
| 92 | uid: challengeInfo.uid, |
| 93 | vname: challengeInfo.name, |
| 94 | added: challengeInfo.added, |
| 95 | nbPlayers: challengeInfo.nbPlayers, |
| 96 | players: players, //currently in |
| 97 | fen: challengeInfo.fen, |
| 98 | timeControl: challengeInfo.timeControl, |
| 99 | }; |
| 100 | return cb(null, challenge); |
| 101 | }); |
| 102 | }); |
| 103 | }); |
| 104 | }, |
| 105 | |
| 106 | getByUser: function(uid, cb) |
| 107 | { |
| 108 | db.serialize(function() { |
| 109 | const query = |
| 110 | "SELECT cid " + |
| 111 | "FROM WillPlay " + |
| 112 | "WHERE uid = " + uid; |
| 113 | db.run(query, (err,challIds) => { |
| 114 | if (!!err) |
| 115 | return cb(err); |
| 116 | let challenges = []; |
| 117 | challIds.forEach(cidRow => { |
| 118 | ChallengeModel.getOne(cidRow["cid"], (err2,chall) => { |
| 119 | if (!!err2) |
| 120 | return cb(err2); |
| 121 | challenges.push(chall); |
| 122 | }); |
| 123 | }); |
| 124 | return cb(null, challenges); |
| 125 | }); |
| 126 | }); |
| 127 | }, |
| 128 | |
| 129 | testfunc: function() |
| 130 | { |
| 131 | db.serialize(function() { |
| 132 | db.run("DELETE * FROM TableTest", (err,ret) => { |
| 133 | console.log(ret); |
| 134 | }); |
| 135 | }); |
| 136 | }, |
| 137 | |
| 138 | remove: function(id, uid) |
| 139 | { |
| 140 | db.serialize(function() { |
| 141 | let query = |
| 142 | "DELETE FROM Challenges " + |
| 143 | "WHERE id = " + id + " AND uid = " + uid; |
| 144 | db.run(query, (err,ret) => { |
| 145 | if (!err && ret >= 1) |
| 146 | { |
| 147 | // Also remove matching WillPlay entries if a challenge was deleted |
| 148 | query = |
| 149 | "DELETE FROM WillPlay " + |
| 150 | "WHERE cid = " + id; |
| 151 | db.run(query); |
| 152 | } |
| 153 | }); |
| 154 | }); |
| 155 | }, |
| 156 | } |
| 157 | |
| 158 | module.exports = ChallengeModel; |