var db = require("../utils/database");
+const UserModel = require("./User");
/*
* Structure:
const ChallengeModel =
{
- checkChallenge: function(c)
- {
- if (!c.vid.match(/^[0-9]+$/))
- return "Wrong variant ID";
-
+ checkChallenge: function(c)
+ {
+ if (!c.vid.toString().match(/^[0-9]+$/))
+ return "Wrong variant ID";
if (!c.timeControl.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 "";
+ },
- if (!c.fen.match(/^[a-zA-Z0-9, /-]+$/))
- return "Bad FEN string";
- },
-
- // fen cannot be undefined
- create: function(c, cb)
- {
- db.serialize(function() {
- let query =
- "INSERT INTO Challenges " +
- "(added, uid, " + (!!c.to ? "target, " : "") +
+ // fen cannot be undefined
+ create: function(c, cb)
+ {
+ db.serialize(function() {
+ const query =
+ "INSERT INTO Challenges " +
+ "(added, uid, " + (!!c.to ? "target, " : "") +
"vid, fen, timeControl) VALUES " +
- "(" + Date.now() + "," + c.uid + "," + (!!c.to ? c.to + "," : "") +
+ "(" + Date.now() + "," + c.uid + "," + (!!c.to ? c.to + "," : "") +
c.vid + ",'" + c.fen + "','" + c.timeControl + "')";
- db.run(query, err => {
- if (!!err)
- return cb(err);
- db.get("SELECT last_insert_rowid() AS rowid", (err2,lastId) => {
- return cb(err2, lastId);
- });
+ db.run(query, function(err) {
+ return cb(err, {cid: this.lastID});
});
- });
- },
+ });
+ },
- getOne: function(id, cb)
- {
- db.serialize(function() {
- let query =
- "SELECT * " +
- "FROM Challenges " +
- "WHERE id = " + id;
- db.get(query, (err,challengeInfo) => {
- if (!!err)
- return cb(err);
- let condition = "";
- if (!!challengeInfo.to)
- condition = "IN (" + challengeInfo.uid + "," + challengeInfo.to + ")";
- else
- condition = "= " + challengeInfo.uid;
- query =
- "SELECT id, name " +
- "FROM Users " +
- "WHERE id " + condition;
- db.run(query, (err2,players) => {
- if (!!err2)
- return cb(err2);
- const challenge = {
- id: id,
- uid: challengeInfo.uid, //sender (but we don't know who ask)
- vid: challengeInfo.vid,
- added: challengeInfo.added,
- players: players, //sender + potential receiver
- fen: challengeInfo.fen,
- timeControl: challengeInfo.timeControl,
- };
- return cb(null, challenge);
- });
- });
- });
- },
+ getOne: function(id, cb)
+ {
+ db.serialize(function() {
+ const query =
+ "SELECT * " +
+ "FROM Challenges " +
+ "WHERE id = " + id;
+ db.get(query, (err,challenge) => {
+ return cb(err, challenge);
+ });
+ });
+ },
- getByUser: function(uid, cb)
- {
- db.serialize(function() {
- const query =
- "SELECT cid " +
- "FROM WillPlay " +
- "WHERE uid = " + uid;
- db.run(query, (err,challIds) => {
- if (!!err)
- return cb(err);
- challIds = challIds || [];
- let challenges = [];
- challIds.forEach(cidRow => {
- ChallengeModel.getOne(cidRow["cid"], (err2,chall) => {
- if (!!err2)
- return cb(err2);
- challenges.push(chall);
- });
- });
- return cb(null, challenges);
- });
- });
- },
+ // All challenges except where target is defined and not me
+ getByUser: function(uid, cb)
+ {
+ db.serialize(function() {
+ const query =
+ "SELECT * " +
+ "FROM Challenges " +
+ "WHERE target IS NULL OR target = " + uid;
+ db.all(query, (err,challenges) => {
+ return cb(err, challenges);
+ });
+ });
+ },
+
+ remove: function(id)
+ {
+ db.serialize(function() {
+ const query =
+ "DELETE FROM Challenges " +
+ "WHERE id = " + id;
+ db.run(query);
+ });
+ },
- remove: function(id, uid)
- {
- db.serialize(function() {
- let query =
+ safeRemove: function(id, uid, cb)
+ {
+ db.serialize(function() {
+ const query =
"SELECT 1 " +
"FROM Challenges " +
"WHERE id = " + id + " AND uid = " + uid;
- db.run(query, (err,rows) => {
- if (rows.length == 0)
- return res.json({errmsg: "Not your challenge"});
- query =
- "DELETE FROM Challenges " +
- "WHERE id = " + id;
- db.run(query);
+ db.get(query, (err,chall) => {
+ if (!chall)
+ return cb({errmsg: "Not your challenge"});
+ ChallengeModel.remove(id);
+ cb(null);
+ });
+ });
+ },
+
+ // Remove challenges older than 1 month, and 1to1 older than 2 days
+ removeOld: function()
+ {
+ const tsNow = Date.now();
+ // 86400000 = 24 hours in milliseconds
+ const day = 86400000;
+ db.serialize(function() {
+ const query =
+ "SELECT id, target " +
+ "FROM Challenges";
+ db.all(query, (err, challenges) => {
+ challenges.forEach(c => {
+ if ((!c.target && tsNow - c.added > 30*day) ||
+ (!!c.target && tsNow - c.added > 2*day))
+ {
+ db.run("DELETE FROM CHallenges WHERE id = " + c.id);
+ }
+ });
});
- });
- },
+ });
+ },
}
module.exports = ChallengeModel;