server/routes/games.js

   1 let router = require("express").Router();
   2 const UserModel = require("../models/User");
   3 const ChallengeModel = require('../models/Challenge');
   4 const GameModel = require('../models/Game');
   5 const VariantModel = require('../models/Variant');
   6 const access = require("../utils/access");
   7 const params = require("../config/parameters");
   8
   9 // From main hall, start game between players 0 and 1
  10 router.post("/games", access.logged, access.ajax, (req,res) => {
  11   const gameInfo = req.body.gameInfo;
  12   if (!Array.isArray(gameInfo.players) ||
  13     gameInfo.players.every(p => p.id != req.userId))
  14   {
  15     return res.json({errmsg: "Cannot start someone else's game"});
  16   }
  17   const cid = req.body.cid;
  18   // Check all entries of gameInfo + cid:
  19   let error = GameModel.checkGameInfo(gameInfo);
  20   if (!error)
  21   {
  22     if (!cid.toString().match(/^[0-9]+$/))
  23       error = "Wrong challenge ID";
  24   }
  25   if (!!error)
  26     return res.json({errmsg:error});
  27   ChallengeModel.remove(cid);
  28   GameModel.create(
  29     gameInfo.vid, gameInfo.fen, gameInfo.cadence, gameInfo.players,
  30     (err,ret) => {
  31       access.checkRequest(res, err, ret, "Cannot create game", () => {
  32         const oppIdx = (gameInfo.players[0].id == req.userId ? 1 : 0);
  33         const oppId = gameInfo.players[oppIdx].id;
  34         UserModel.tryNotify(oppId,
  35           "Game started: " + params.siteURL + "/#/game/" + ret.gid);
  36         res.json({gameId: ret.gid});
  37       });
  38     }
  39   );
  40 });
  41
  42 router.get("/games", access.ajax, (req,res) => {
  43   const gameId = req.query["gid"];
  44   if (!!gameId)
  45   {
  46     if (!gameId.match(/^[0-9]+$/))
  47       return res.json({errmsg: "Wrong game ID"});
  48     GameModel.getOne(gameId, false, (err,game) => {
  49       access.checkRequest(res, err, game, "Game not found", () => {
  50         res.json({game: game});
  51       });
  52     });
  53   }
  54   else
  55   {
  56     // Get by (non-)user ID:
  57     const userId = req.query["uid"];
  58     if (!userId.match(/^[0-9]+$/))
  59       return res.json({errmsg: "Wrong user ID"});
  60     const excluded = !!req.query["excluded"];
  61     GameModel.getByUser(userId, excluded, (err,games) => {
  62       if (!!err)
  63         return res.json({errmsg: err.errmsg || err.toString()});
  64       res.json({games: games});
  65     });
  66   }
  67 });
  68
  69 // New move + fen update + score, potentially
  70 // TODO: if newmove fail, takeback in GUI
  71 router.put("/games", access.logged, access.ajax, (req,res) => {
  72   const gid = req.body.gid;
  73   let error = "";
  74   if (!gid.toString().match(/^[0-9]+$/))
  75     error = "Wrong game ID";
  76   const obj = req.body.newObj;
  77   error = GameModel.checkGameUpdate(obj);
  78   if (!!error)
  79     return res.json({errmsg: error});
  80   GameModel.update(gid, obj); //no callback here (several operations)
  81   if (!!obj.move || !!obj.score)
  82   {
  83     // Notify opponent if he enabled notifications:
  84     GameModel.getPlayers(gid, (err,players) => {
  85       if (!err)
  86       {
  87         const oppid = (players[0].uid == req.userId
  88           ? players[1].uid
  89           : players[0].uid);
  90         const messagePrefix = (!!obj.move
  91           ? "New move in game: "
  92           : "Game ended: ");
  93         UserModel.tryNotify(oppid,
  94           messagePrefix + params.siteURL + "/#/game/" + gid);
  95       }
  96     });
  97   }
  98   res.json({}); //TODO: what if some update action fails?
  99 });
 100
 101 module.exports = router;