resources/js/helpers/Tournament.js

   1 import Participant from './Participant';
   2 import Round from './Round';
   3
   4 export const calculateScores = tournament => {
   5         const runners = getRunners(tournament);
   6         const scores = runners.map(participant => ({ participant, score: 0 }));
   7         if (!scores.length) return scores;
   8         if (!tournament.rounds || !tournament.rounds.length) return scores;
   9         tournament.rounds.forEach(round => {
  10                 const filtered = Participant
  11                         .sortByResult(runners, round)
  12                         .map(p => ({ participant: p, result: Participant.findResult(p, round) }))
  13                         .filter(r => r.result && (r.result.time || r.result.forfeit))
  14                         .reverse();
  15                 let running = 0;
  16                 let bonus = 1;
  17                 let lastResult = null;
  18                 for (let i = 0; i < filtered.length; ++i) {
  19                         const score = scores.find(s => s.participant.id === filtered[i].participant.id);
  20                         if (!score) return;
  21                         const result = filtered[i].result;
  22                         const betterThanLast = lastResult === null || result.time < lastResult;
  23                         if (!result.forfeit && betterThanLast) {
  24                                 running += bonus;
  25                                 lastResult = result.time;
  26                                 bonus = 1;
  27                         } else {
  28                                 ++bonus;
  29                         }
  30                         if (!result.forfeit) {
  31                                 score.score += running;
  32                         }
  33                 }
  34         });
  35         return scores.sort(compareScore).reverse();
  36 };
  37
  38 export const compareScore = (a, b) => {
  39         const a_score = a && a.score ? a.score : 0;
  40         const b_score = b && b.score ? b.score : 0;
  41         if (a_score < b_score) return -1;
  42         if (b_score < a_score) return 1;
  43         return Participant.compareUsername(a.participant, b.participant) * -1;
  44 };
  45
  46 export const findParticipant = (tournament, user) => {
  47         if (!tournament || !tournament.participants || !tournament.participants.length) return null;
  48         if (!user || !user.id) return null;
  49         return tournament.participants.find(p => p.user_id == user.id);
  50 };
  51
  52 export const getRunners = tournament => {
  53         if (!tournament || !tournament.participants || !tournament.participants.length) return [];
  54         return tournament.participants
  55                 .filter(Participant.isRunner)
  56                 .sort(Participant.compareUsername);
  57 };
  58
  59 export const getTournamentAdmins = tournament => {
  60         if (!tournament || !tournament.participants || !tournament.participants.length) return [];
  61         return tournament.participants
  62                 .filter(Participant.isTournamentAdmin)
  63                 .sort(Participant.compareUsername);
  64 };
  65
  66 export const hasRunners = tournament => {
  67         return getRunners(tournament).length > 0;
  68 };
  69
  70 export const hasTournamentAdmins = tournament => {
  71         return getTournamentAdmins(tournament).length > 0;
  72 };
  73
  74 export const patchResult = (tournament, result) => {
  75         if (!tournament || !tournament.rounds) return tournament;
  76         return {
  77                 ...tournament,
  78                 rounds: tournament.rounds.map(round =>
  79                         round.id === result.round_id
  80                                 ? Round.patchResult(round, result)
  81                                 : round
  82                 ),
  83         };
  84 };
  85
  86 export const patchRound = (tournament, round) => {
  87         if (!tournament) return tournament;
  88         return {
  89                 ...tournament,
  90                 rounds: tournament.rounds.map(r => r.id === round.id ? { ...r, ...round } : r),
  91         };
  92 };
  93
  94 export const patchUser = (tournament, user) => {
  95         if (!tournament || !tournament.participants || !user) return tournament;
  96         if (!tournament.participants.find(p => p.user_id == user.id)) return tournament;
  97         return {
  98                 ...tournament,
  99                 participants: tournament.participants.map(p => Participant.patchUser(p, user)),
 100         };
 101 };
 102
 103 export const sortParticipants = tournament => {
 104         if (!tournament || !tournament.participants || !tournament.participants.length) {
 105                 return tournament;
 106         }
 107         return {
 108                 ...tournament,
 109                 participants: tournament.participants.sort(Participant.compareUsername),
 110         };
 111 };
 112
 113 export default {
 114         calculateScores,
 115         compareScore,
 116         findParticipant,
 117         getRunners,
 118         getTournamentAdmins,
 119         patchResult,
 120         patchRound,
 121         patchUser,
 122         sortParticipants,
 123 };