-var db = require("../utils/database");
+const db = require("../utils/database");
const UserModel = require("./User");
/*
* uid: user id (int)
* target: recipient id (optional)
* vid: variant id (int)
+ * randomness: integer in 0..2
* fen: varchar (optional)
- * cadence: string (3m+2s, 7d+1d ...)
+ * cadence: string (3m+2s, 7d ...)
*/
-const ChallengeModel =
-{
- checkChallenge: function(c)
- {
- if (!c.vid.toString().match(/^[0-9]+$/))
- return "Wrong variant ID";
- if (!c.cadence.match(/^[0-9dhms +]+$/))
- return "Wrong characters in time control";
- if (!c.fen.match(/^[a-zA-Z0-9, /-]*$/))
- return "Bad FEN string";
- if (!!c.to)
- return UserModel.checkNameEmail({name: c.to});
- return "";
+const ChallengeModel = {
+
+ checkChallenge: function(c) {
+ return (
+ c.vid.toString().match(/^[0-9]+$/) &&
+ c.cadence.match(/^[0-9dhms +]+$/) &&
+ c.randomness.toString().match(/^[0-2]$/) &&
+ c.fen.match(/^[a-zA-Z0-9, /-]*$/) &&
+ (!c.to || UserModel.checkNameEmail({ name: c.to }))
+ );
},
- // fen cannot be undefined
- create: function(c, cb)
- {
+ create: function(c, cb) {
db.serialize(function() {
const query =
"INSERT INTO Challenges " +
- "(added, uid, " + (!!c.to ? "target, " : "") + "vid, fen, cadence) " +
- "VALUES " +
- "(" + Date.now() + "," + c.uid + "," + (!!c.to ? c.to + "," : "") +
- c.vid + ",'" + c.fen + "','" + c.cadence + "')";
+ "(added, uid, " + (c.to ? "target, " : "") +
+ "vid, randomness, fen, cadence) " +
+ "VALUES " +
+ "(" + Date.now() + "," + c.uid + "," + (c.to ? c.to + "," : "") +
+ c.vid + "," + c.randomness + ",'" + c.fen + "','" + c.cadence + "')";
db.run(query, function(err) {
- return cb(err, {cid: this.lastID});
- });
- });
- },
-
- getOne: function(id, cb)
- {
- db.serialize(function() {
- const query =
- "SELECT * " +
- "FROM Challenges " +
- "WHERE id = " + id;
- db.get(query, (err,challenge) => {
- return cb(err, challenge);
+ cb(err, { id: this.lastID });
});
});
},
- // All challenges except where target is defined and not me,
- // and I'm not the sender.
- getByUser: function(uid, cb)
- {
+ // All challenges related to user with ID uid
+ getByUser: function(uid, cb) {
db.serialize(function() {
const query =
"SELECT * " +
"WHERE target IS NULL" +
" OR uid = " + uid +
" OR target = " + uid;
- db.all(query, (err,challenges) => {
- return cb(err, challenges);
+ db.all(query, (err, challenges) => {
+ cb(err, challenges);
});
});
},
- remove: function(id)
- {
+ remove: function(id) {
db.serialize(function() {
const query =
"DELETE FROM Challenges " +
});
},
- safeRemove: function(id, uid, cb)
- {
+ safeRemove: function(id, uid) {
db.serialize(function() {
const query =
"SELECT 1 " +
"FROM Challenges " +
- "WHERE id = " + id + " AND uid = " + uid;
+ "WHERE id = " + id + " " +
+ // Condition: I'm the sender or the target
+ "AND (uid = " + uid + " OR target = " + uid + ")";
db.get(query, (err,chall) => {
- if (!chall)
- return cb({errmsg: "Not your challenge"});
- ChallengeModel.remove(id);
- cb(null);
+ if (!err && chall)
+ ChallengeModel.remove(id);
});
});
- },
-}
+ }
+
+};
module.exports = ChallengeModel;