resources/js/helpers/Tournament.js

   1 import Participant from './Participant';
   2 import Round from './Round';
   3
   4 export const calculateScores = tournament => {
   5         const scores = getRunners(tournament).map(participant => ({ participant, score: 0 }));
   6         if (!tournament.rounds || !tournament.rounds.length) return scores;
   7         tournament.rounds.forEach(round => {
   8                 const filtered = Participant
   9                         .sortByResult(tournament.participants, round)
  10                         .map(p => ({ participant: p, result: Participant.findResult(p, round) }))
  11                         .filter(r => r.result && (r.result.time || r.result.forfeit))
  12                         .reverse();
  13                 let running = 0;
  14                 let bonus = 1;
  15                 let lastResult = null;
  16                 for (let i = 0; i < filtered.length; ++i) {
  17                         const score = scores.find(s => s.participant.id === filtered[i].participant.id);
  18                         if (!score) return;
  19                         const result = filtered[i].result;
  20                         const betterThanLast = lastResult === null || result.time < lastResult;
  21                         if (!result.forfeit && betterThanLast) {
  22                                 running += bonus;
  23                                 lastResult = result.time;
  24                                 bonus = 1;
  25                         } else {
  26                                 ++bonus;
  27                         }
  28                         if (!result.forfeit) {
  29                                 score.score += running;
  30                         }
  31                 }
  32         });
  33         return scores.sort(compareScore).reverse();
  34 };
  35
  36 export const compareScore = (a, b) => {
  37         const a_score = a && a.score ? a.score : 0;
  38         const b_score = b && b.score ? b.score : 0;
  39         if (a_score < b_score) return -1;
  40         if (b_score < a_score) return 1;
  41         return Participant.compareUsername(a.participant, b.participant) * -1;
  42 };
  43
  44 export const findParticipant = (tournament, user) => {
  45         if (!tournament || !tournament.participants || !tournament.participants.length) return null;
  46         if (!user || !user.id) return null;
  47         return tournament.participants.find(p => p.user_id == user.id);
  48 };
  49
  50 export const getRunners = tournament => {
  51         if (!tournament || !tournament.participants || !tournament.participants.length) return [];
  52         return tournament.participants
  53                 .filter(Participant.isRunner)
  54                 .sort(Participant.compareUsername);
  55 };
  56
  57 export const getTournamentAdmins = tournament => {
  58         if (!tournament || !tournament.participants || !tournament.participants.length) return [];
  59         return tournament.participants
  60                 .filter(Participant.isTournamentAdmin)
  61                 .sort(Participant.compareUsername);
  62 };
  63
  64 export const hasRunners = tournament => {
  65         return getRunners(tournament).length > 0;
  66 };
  67
  68 export const hasTournamentAdmins = tournament => {
  69         return getTournamentAdmins(tournament).length > 0;
  70 };
  71
  72 export const patchResult = (tournament, result) => {
  73         if (!tournament || !tournament.rounds) return tournament;
  74         return {
  75                 ...tournament,
  76                 rounds: tournament.rounds.map(round =>
  77                         round.id === result.round_id
  78                                 ? Round.patchResult(round, result)
  79                                 : round
  80                 ),
  81         };
  82 };
  83
  84 export const patchRound = (tournament, round) => {
  85         if (!tournament) return tournament;
  86         return {
  87                 ...tournament,
  88                 rounds: tournament.rounds.map(r => r.id === round.id ? { ...r, ...round } : r),
  89         };
  90 };
  91
  92 export const patchUser = (tournament, user) => {
  93         if (!tournament || !tournament.participants || !user) return tournament;
  94         if (!tournament.participants.find(p => p.user_id == user.id)) return tournament;
  95         return {
  96                 ...tournament,
  97                 participants: tournament.participants.map(p => Participant.patchUser(p, user)),
  98         };
  99 };
 100
 101 export const sortParticipants = tournament => {
 102         if (!tournament || !tournament.participants || !tournament.participants.length) {
 103                 return tournament;
 104         }
 105         return {
 106                 ...tournament,
 107                 participants: tournament.participants.sort(Participant.compareUsername),
 108         };
 109 };
 110
 111 export default {
 112         calculateScores,
 113         compareScore,
 114         findParticipant,
 115         getRunners,
 116         getTournamentAdmins,
 117         patchResult,
 118         patchRound,
 119         patchUser,
 120         sortParticipants,
 121 };