client/src/data/challengeCheck.js

   1 import { extractTime } from "@/utils/timeControl";
   2
   3 export function checkChallenge(c)
   4 {
   5     const vid = parseInt(c.vid);
   6     if (isNaN(vid) || vid <= 0)
   7         return "Please select a variant";
   8
   9   const tc = extractTime(c.timeControl);
  10   if (!tc)
  11     return "Wrong time control";
  12   // Less than 3 days ==> live game (TODO: heuristic... 40 moves also)
  13   c.liveGame = (tc.mainTime + 40 * tc.increment < 3*24*60*60);
  14
  15     // Basic alphanumeric check for players names
  16     let playerCount = 0;
  17     for (const pname of c.to)
  18     {
  19         if (pname.length > 0)
  20         {
  21       // TODO: slightly redundant (see data/userCheck.js)
  22             if (!pname.match(/^[\w]+$/))
  23                 return "Wrong characters in players names";
  24             playerCount++;
  25         }
  26     }
  27
  28     if (playerCount > 0 && playerCount != c.nbPlayers-1)
  29         return "None, or all of the opponent names must be filled"
  30
  31   // Allow custom FEN (and check it) only for individual challenges
  32   if (c.fen.length > 0 && playerCount > 0)
  33   {
  34     if (!V.IsGoodFen(c.fen))
  35       return "Bad FEN string";
  36   }
  37   else
  38     c.fen = "";
  39 }