| 1 | var db = require("../utils/database"); |
| 2 | |
| 3 | /* |
| 4 | * Structure: |
| 5 | * id: integer |
| 6 | * added: datetime |
| 7 | * uid: user id (int) |
| 8 | * target: recipient id (optional) |
| 9 | * vid: variant id (int) |
| 10 | * fen: varchar (optional) |
| 11 | * timeControl: string (3m+2s, 7d+1d ...) |
| 12 | */ |
| 13 | |
| 14 | const ChallengeModel = |
| 15 | { |
| 16 | checkChallenge: function(c) |
| 17 | { |
| 18 | if (!c.vid.toString().match(/^[0-9]+$/)) |
| 19 | return "Wrong variant ID"; |
| 20 | if (!c.timeControl.match(/^[0-9dhms +]+$/)) |
| 21 | return "Wrong characters in time control"; |
| 22 | if (!c.fen.match(/^[a-zA-Z0-9, /-]*$/)) |
| 23 | return "Bad FEN string"; |
| 24 | return ""; |
| 25 | }, |
| 26 | |
| 27 | // fen cannot be undefined |
| 28 | create: function(c, cb) |
| 29 | { |
| 30 | db.serialize(function() { |
| 31 | const query = |
| 32 | "INSERT INTO Challenges " + |
| 33 | "(added, uid, " + (!!c.to ? "target, " : "") + |
| 34 | "vid, fen, timeControl) VALUES " + |
| 35 | "(" + Date.now() + "," + c.uid + "," + (!!c.to ? c.to + "," : "") + |
| 36 | c.vid + ",'" + c.fen + "','" + c.timeControl + "')"; |
| 37 | db.run(query, function(err) { |
| 38 | return cb(err, {cid: this.lastID}); |
| 39 | }); |
| 40 | }); |
| 41 | }, |
| 42 | |
| 43 | getOne: function(id, cb) |
| 44 | { |
| 45 | db.serialize(function() { |
| 46 | const query = |
| 47 | "SELECT * " + |
| 48 | "FROM Challenges " + |
| 49 | "WHERE id = " + id; |
| 50 | db.get(query, (err,challenge) => { |
| 51 | return cb(err, challenge); |
| 52 | }); |
| 53 | }); |
| 54 | }, |
| 55 | |
| 56 | // all challenges except where target is defined and not me |
| 57 | getByUser: function(uid, cb) |
| 58 | { |
| 59 | db.serialize(function() { |
| 60 | const query = |
| 61 | "SELECT * " + |
| 62 | "FROM Challenges " + |
| 63 | "WHERE target IS NULL OR target = " + uid; |
| 64 | db.all(query, (err,challenges) => { |
| 65 | return cb(err, challenges); |
| 66 | }); |
| 67 | }); |
| 68 | }, |
| 69 | |
| 70 | remove: function(id) |
| 71 | { |
| 72 | db.serialize(function() { |
| 73 | const query = |
| 74 | "DELETE FROM Challenges " + |
| 75 | "WHERE id = " + id; |
| 76 | db.run(query); |
| 77 | }); |
| 78 | }, |
| 79 | |
| 80 | safeRemove: function(id, uid, cb) |
| 81 | { |
| 82 | db.serialize(function() { |
| 83 | const query = |
| 84 | "SELECT 1 " + |
| 85 | "FROM Challenges " + |
| 86 | "WHERE id = " + id + " AND uid = " + uid; |
| 87 | db.get(query, (err,chall) => { |
| 88 | if (!chall) |
| 89 | return cb({errmsg: "Not your challenge"}); |
| 90 | ChallengeModel.remove(id); |
| 91 | cb(null); |
| 92 | }); |
| 93 | }); |
| 94 | }, |
| 95 | |
| 96 | // Remove challenges older than 1 month, and 1to1 older than 2 days |
| 97 | removeOld: function() |
| 98 | { |
| 99 | const tsNow = Date.now(); |
| 100 | // 86400000 = 24 hours in milliseconds |
| 101 | const day = 86400000; |
| 102 | db.serialize(function() { |
| 103 | const query = |
| 104 | "SELECT id, target " + |
| 105 | "FROM Challenges"; |
| 106 | db.all(query, (err, challenges) => { |
| 107 | challenges.forEach(c => { |
| 108 | if ((!c.target && tsNow - c.added > 30*day) || |
| 109 | (!!c.target && tsNow - c.added > 2*day)) |
| 110 | { |
| 111 | db.run("DELETE FROM CHallenges WHERE id = " + c.id); |
| 112 | } |
| 113 | }); |
| 114 | }); |
| 115 | }); |
| 116 | }, |
| 117 | } |
| 118 | |
| 119 | module.exports = ChallengeModel; |