| 1 | |
| 2 | |
| 3 | function timeUnitToSeconds(value, unit) |
| 4 | { |
| 5 | let seconds = value; |
| 6 | switch (unit) |
| 7 | { |
| 8 | case 'd': |
| 9 | seconds *= 24; |
| 10 | case 'h': |
| 11 | seconds *= 60; |
| 12 | case 'm': |
| 13 | seconds *= 60; |
| 14 | } |
| 15 | return seconds; |
| 16 | } |
| 17 | |
| 18 | function isLargerUnit(unit1, unit2) |
| 19 | { |
| 20 | return (unit1 == 'd' && unit2 != 'd') |
| 21 | || (unit1 == 'h' && ['s','m'].includes(unit2)) |
| 22 | || (unit1 == 'm' && unit2 == 's'); |
| 23 | } |
| 24 | |
| 25 | export function checkChallenge(c) |
| 26 | { |
| 27 | const vid = parseInt(c.vid); |
| 28 | if (isNaN(vid) || vid <= 0) |
| 29 | return "Please select a variant"; |
| 30 | |
| 31 | const tcParts = c.timeControl.replace(/ /g,"").split('+'); |
| 32 | const mainTime = tcParts[0].match(/([0-9]+)([smhd])/); |
| 33 | if (!mainTime) |
| 34 | return "Wrong time control"; |
| 35 | const mainTimeValue = parseInt(mainTime[1]); |
| 36 | const mainTimeUnit = mainTime[2]; |
| 37 | if (isNaN(mainTimeValue) || mainTimeValue <= 0) |
| 38 | return "Main time should be strictly positive"; |
| 39 | c.mainTime = timeUnitToSeconds(mainTimeValue, mainTimeUnit); |
| 40 | if (tcParts.length >= 2) |
| 41 | { |
| 42 | const increment = tcParts[1].match(/([0-9]+)([smhd])/); |
| 43 | if (!increment) |
| 44 | return "Wrong time control"; |
| 45 | const incrementValue = parseInt(increment[1]); |
| 46 | const incrementUnit = increment[2]; |
| 47 | if (isLargerUnit(incrementUnit, mainTimeUnit)) |
| 48 | return "Increment unit cannot be larger than main unit"; |
| 49 | if (isNaN(incrementValue) || incrementValue < 0) |
| 50 | return "Increment must be positive"; |
| 51 | c.increment = timeUnitToSeconds(incrementValue, incrementUnit); |
| 52 | } |
| 53 | else |
| 54 | c.increment = 0; |
| 55 | |
| 56 | // Basic alphanumeric check for players names |
| 57 | let playerCount = 0; |
| 58 | for (const pname of c.to) |
| 59 | { |
| 60 | if (pname.length > 0) |
| 61 | { |
| 62 | // TODO: slightly redundant (see data/userCheck.js) |
| 63 | if (!pname.match(/^[\w]+$/)) |
| 64 | return "Wrong characters in players names"; |
| 65 | playerCount++; |
| 66 | } |
| 67 | } |
| 68 | |
| 69 | if (playerCount > 0 && playerCount != c.nbPlayers-1) |
| 70 | return "None, or all of the opponent names must be filled" |
| 71 | |
| 72 | // Allow custom FEN (and check it) only for individual challenges |
| 73 | if (c.fen.length > 0 && playerCount > 0) |
| 74 | { |
| 75 | if (!V.IsGoodFen(c.fen)) |
| 76 | return "Bad FEN string"; |
| 77 | } |
| 78 | else //generate a FEN |
| 79 | c.fen = V.GenRandInitFen(); |
| 80 | } |