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feat(match-service): update ranking logic for league table based on balance and previous tie-breakers
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Torsten Schulz (local)
2026-09-11 14:37:58 +02:00
parent d41425eba8
commit cc6a62a122
1 changed files with 17 additions and 5 deletions
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22
backend/services/matchService.js
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@@ -652,11 +652,23 @@ class MatchService {
'id', 'name', 'matchesPlayed', 'matchesWon', 'matchesLost', 'matchesTied',
'setsWon', 'setsLost', 'pointsWon', 'pointsLost', 'tablePoints', 'tablePointsWon', 'tablePointsLost'
],
order: [
['tablePointsWon', 'DESC'], // Highest table points first
['matchesWon', 'DESC'], // Then by matches won
['setsWon', 'DESC'] // Then by sets won
]
order: [['id', 'ASC']]
});
// A table-points result is ranked by its balance, not just by the
// number of points won: 0:0 (0) must therefore rank ahead of 0:2
// (-2), which in turn ranks ahead of 0:4 (-4).
teams.sort((left, right) => {
const leftBalance = left.tablePointsWon - left.tablePointsLost;
const rightBalance = right.tablePointsWon - right.tablePointsLost;
if (rightBalance !== leftBalance) return rightBalance - leftBalance;
// Retain the previous tie-breakers for teams with the same balance.
if (right.tablePointsWon !== left.tablePointsWon) {
return right.tablePointsWon - left.tablePointsWon;
}
if (right.matchesWon !== left.matchesWon) return right.matchesWon - left.matchesWon;
return right.setsWon - left.setsWon;
});
// Format table data