| 1 | const db = require("../utils/database"); |
| 2 | const UserModel = require("./User"); |
| 3 | |
| 4 | /* |
| 5 | * Structure: |
| 6 | * id: integer |
| 7 | * added: datetime |
| 8 | * uid: user id (int) |
| 9 | * target: recipient id (optional) |
| 10 | * vid: variant id (int) |
| 11 | * randomness: integer in 0..2 |
| 12 | * fen: varchar (optional) |
| 13 | * cadence: string (3m+2s, 7d ...) |
| 14 | */ |
| 15 | |
| 16 | const ChallengeModel = { |
| 17 | |
| 18 | checkChallenge: function(c) { |
| 19 | return ( |
| 20 | c.vid.toString().match(/^[0-9]+$/) && |
| 21 | c.cadence.match(/^[0-9dhms +]+$/) && |
| 22 | c.randomness.toString().match(/^[0-2]$/) && |
| 23 | c.fen.match(/^[a-zA-Z0-9, /-]*$/) && |
| 24 | (!c.to || UserModel.checkNameEmail({ name: c.to })) |
| 25 | ); |
| 26 | }, |
| 27 | |
| 28 | create: function(c, cb) { |
| 29 | db.serialize(function() { |
| 30 | const query = |
| 31 | "INSERT INTO Challenges " + |
| 32 | "(added, uid, " + (c.to ? "target, " : "") + |
| 33 | "vid, randomness, fen, cadence) " + |
| 34 | "VALUES " + |
| 35 | "(" + Date.now() + "," + c.uid + "," + (c.to ? c.to + "," : "") + |
| 36 | c.vid + "," + c.randomness + ",'" + c.fen + "','" + c.cadence + "')"; |
| 37 | db.run(query, function(err) { |
| 38 | cb(err, { id: this.lastID }); |
| 39 | }); |
| 40 | }); |
| 41 | }, |
| 42 | |
| 43 | // All challenges related to user with ID uid |
| 44 | getByUser: function(uid, cb) { |
| 45 | db.serialize(function() { |
| 46 | const query = |
| 47 | "SELECT * " + |
| 48 | "FROM Challenges " + |
| 49 | "WHERE target IS NULL" + |
| 50 | " OR uid = " + uid + |
| 51 | " OR target = " + uid; |
| 52 | db.all(query, (err, challenges) => { |
| 53 | cb(err, challenges); |
| 54 | }); |
| 55 | }); |
| 56 | }, |
| 57 | |
| 58 | remove: function(id) { |
| 59 | db.serialize(function() { |
| 60 | const query = |
| 61 | "DELETE FROM Challenges " + |
| 62 | "WHERE id = " + id; |
| 63 | db.run(query); |
| 64 | }); |
| 65 | }, |
| 66 | |
| 67 | safeRemove: function(id, uid) { |
| 68 | db.serialize(function() { |
| 69 | const query = |
| 70 | "SELECT 1 " + |
| 71 | "FROM Challenges " + |
| 72 | "WHERE id = " + id + " " + |
| 73 | // Condition: I'm the sender or the target |
| 74 | "AND (uid = " + uid + " OR target = " + uid + ")"; |
| 75 | db.get(query, (err,chall) => { |
| 76 | if (!err && chall) |
| 77 | ChallengeModel.remove(id); |
| 78 | }); |
| 79 | }); |
| 80 | } |
| 81 | |
| 82 | }; |
| 83 | |
| 84 | module.exports = ChallengeModel; |