| 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.match(/^[0-9]+$/)) |
| 19 | return "Wrong variant ID"; |
| 20 | |
| 21 | if (!c.timeControl.match(/^[0-9dhms +]+$/)) |
| 22 | return "Wrong characters in time control"; |
| 23 | |
| 24 | if (!c.fen.match(/^[a-zA-Z0-9, /-]+$/)) |
| 25 | return "Bad FEN string"; |
| 26 | }, |
| 27 | |
| 28 | // fen cannot be undefined |
| 29 | create: function(c, cb) |
| 30 | { |
| 31 | db.serialize(function() { |
| 32 | let query = |
| 33 | "INSERT INTO Challenges " + |
| 34 | "(added, uid, " + (!!c.to ? "target, " : "") + |
| 35 | "vid, fen, timeControl) VALUES " + |
| 36 | "(" + Date.now() + "," + c.uid + "," + (!!c.to ? c.to + "," : "") + |
| 37 | c.vid + ",'" + c.fen + "','" + c.timeControl + "')"; |
| 38 | db.run(query, err => { |
| 39 | if (!!err) |
| 40 | return cb(err); |
| 41 | db.get("SELECT last_insert_rowid() AS rowid", (err2,lastId) => { |
| 42 | return cb(err2, lastId); |
| 43 | }); |
| 44 | }); |
| 45 | }); |
| 46 | }, |
| 47 | |
| 48 | getOne: function(id, cb) |
| 49 | { |
| 50 | db.serialize(function() { |
| 51 | let query = |
| 52 | "SELECT * " + |
| 53 | "FROM Challenges " + |
| 54 | "WHERE id = " + id; |
| 55 | db.get(query, (err,challengeInfo) => { |
| 56 | if (!!err) |
| 57 | return cb(err); |
| 58 | let condition = ""; |
| 59 | if (!!challengeInfo.to) |
| 60 | condition = "IN (" + challengeInfo.uid + "," + challengeInfo.to + ")"; |
| 61 | else |
| 62 | condition = "= " + challengeInfo.uid; |
| 63 | query = |
| 64 | "SELECT id, name " + |
| 65 | "FROM Users " + |
| 66 | "WHERE id " + condition; |
| 67 | db.run(query, (err2,players) => { |
| 68 | if (!!err2) |
| 69 | return cb(err2); |
| 70 | const challenge = { |
| 71 | id: id, |
| 72 | uid: challengeInfo.uid, //sender (but we don't know who ask) |
| 73 | vid: challengeInfo.vid, |
| 74 | added: challengeInfo.added, |
| 75 | players: players, //sender + potential receiver |
| 76 | fen: challengeInfo.fen, |
| 77 | timeControl: challengeInfo.timeControl, |
| 78 | }; |
| 79 | return cb(null, challenge); |
| 80 | }); |
| 81 | }); |
| 82 | }); |
| 83 | }, |
| 84 | |
| 85 | getByUser: function(uid, cb) |
| 86 | { |
| 87 | db.serialize(function() { |
| 88 | const query = |
| 89 | "SELECT cid " + |
| 90 | "FROM WillPlay " + |
| 91 | "WHERE uid = " + uid; |
| 92 | db.run(query, (err,challIds) => { |
| 93 | if (!!err) |
| 94 | return cb(err); |
| 95 | challIds = challIds || []; |
| 96 | let challenges = []; |
| 97 | challIds.forEach(cidRow => { |
| 98 | ChallengeModel.getOne(cidRow["cid"], (err2,chall) => { |
| 99 | if (!!err2) |
| 100 | return cb(err2); |
| 101 | challenges.push(chall); |
| 102 | }); |
| 103 | }); |
| 104 | return cb(null, challenges); |
| 105 | }); |
| 106 | }); |
| 107 | }, |
| 108 | |
| 109 | remove: function(id, uid) |
| 110 | { |
| 111 | db.serialize(function() { |
| 112 | let query = |
| 113 | "SELECT 1 " + |
| 114 | "FROM Challenges " + |
| 115 | "WHERE id = " + id + " AND uid = " + uid; |
| 116 | db.run(query, (err,rows) => { |
| 117 | if (rows.length == 0) |
| 118 | return res.json({errmsg: "Not your challenge"}); |
| 119 | query = |
| 120 | "DELETE FROM Challenges " + |
| 121 | "WHERE id = " + id; |
| 122 | db.run(query); |
| 123 | }); |
| 124 | }); |
| 125 | }, |
| 126 | } |
| 127 | |
| 128 | module.exports = ChallengeModel; |