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refactor(lib): update rating utilities to use new player field names

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This commit is contained in:
David Gwilliam
2026-04-03 21:03:44 -07:00
parent 803b79f03c
commit e5f679e54c
3 changed files with 76 additions and 61 deletions
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src/lib/elo-utils.ts
+24 -19
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@@ -177,10 +177,10 @@ export async function recalculateAllElo(prisma: PrismaClient) {
const matches = await prisma.match.findMany({
orderBy: { playedAt: 'asc' },
include: {
team1P1: true,
team1P2: true,
team2P1: true,
team2P2: true,
player1P1: true,
player1P2: true,
player2P1: true,
player2P2: true,
},
});
@@ -230,13 +230,18 @@ export async function recalculateAllElo(prisma: PrismaClient) {
// Process each match in chronological order
for (const match of matches) {
const { team1P1, team1P2, team2P1, team2P2, team1Score, team2Score, id: matchId, playedAt } = match;
const { player1P1, player1P2, player2P1, player2P2, team1Score, team2Score, id: matchId, playedAt } = match;
// Skip matches with missing players
if (!player1P1 || !player1P2 || !player2P1 || !player2P2) {
continue;
}
// Get current ratings for all players
const p1Rating = getPlayerStats(team1P1.id).rating;
const p2Rating = getPlayerStats(team1P2.id).rating;
const p3Rating = getPlayerStats(team2P1.id).rating;
const p4Rating = getPlayerStats(team2P2.id).rating;
const p1Rating = getPlayerStats(player1P1.id).rating;
const p2Rating = getPlayerStats(player1P2.id).rating;
const p3Rating = getPlayerStats(player2P1.id).rating;
const p4Rating = getPlayerStats(player2P2.id).rating;
// Calculate team ratings
const team1Rating = calculateTeamElo(p1Rating, p2Rating);
@@ -261,7 +266,7 @@ export async function recalculateAllElo(prisma: PrismaClient) {
const isTie = team1Score === team2Score;
// Update Player 1 (team 1, player 1)
const stats1 = getPlayerStats(team1P1.id);
const stats1 = getPlayerStats(player1P1.id);
stats1.rating += p1Change;
stats1.gamesPlayed += 1;
if (isTie) {
@@ -273,7 +278,7 @@ export async function recalculateAllElo(prisma: PrismaClient) {
}
// Update Player 2 (team 1, player 2)
const stats2 = getPlayerStats(team1P2.id);
const stats2 = getPlayerStats(player1P2.id);
stats2.rating += p2Change;
stats2.gamesPlayed += 1;
if (isTie) {
@@ -285,7 +290,7 @@ export async function recalculateAllElo(prisma: PrismaClient) {
}
// Update Player 3 (team 2, player 1)
const stats3 = getPlayerStats(team2P1.id);
const stats3 = getPlayerStats(player2P1.id);
stats3.rating += p3Change;
stats3.gamesPlayed += 1;
if (isTie) {
@@ -297,7 +302,7 @@ export async function recalculateAllElo(prisma: PrismaClient) {
}
// Update Player 4 (team 2, player 2)
const stats4 = getPlayerStats(team2P2.id);
const stats4 = getPlayerStats(player2P2.id);
stats4.rating += p4Change;
stats4.gamesPlayed += 1;
if (isTie) {
@@ -309,7 +314,7 @@ export async function recalculateAllElo(prisma: PrismaClient) {
}
// Update partnership stats for team 1
const partnership1 = getPartnershipStats(team1P1.id, team1P2.id);
const partnership1 = getPartnershipStats(player1P1.id, player1P2.id);
partnership1.gamesPlayed += 1;
if (isTie) {
// For ties, don't increment wins or losses (gamesPlayed is already incremented)
@@ -324,7 +329,7 @@ export async function recalculateAllElo(prisma: PrismaClient) {
}
// Update partnership stats for team 2
const partnership2 = getPartnershipStats(team2P1.id, team2P2.id);
const partnership2 = getPartnershipStats(player2P1.id, player2P2.id);
partnership2.gamesPlayed += 1;
if (isTie) {
// For ties, don't increment wins or losses (gamesPlayed is already incremented)
@@ -340,10 +345,10 @@ export async function recalculateAllElo(prisma: PrismaClient) {
// Create elo snapshots for all players
const snapshotData = [
{ playerId: team1P1.id, ratingBefore: p1Rating, ratingChange: p1Change },
{ playerId: team1P2.id, ratingBefore: p2Rating, ratingChange: p2Change },
{ playerId: team2P1.id, ratingBefore: p3Rating, ratingChange: p3Change },
{ playerId: team2P2.id, ratingBefore: p4Rating, ratingChange: p4Change },
{ playerId: player1P1.id, ratingBefore: p1Rating, ratingChange: p1Change },
{ playerId: player1P2.id, ratingBefore: p2Rating, ratingChange: p2Change },
{ playerId: player2P1.id, ratingBefore: p3Rating, ratingChange: p3Change },
{ playerId: player2P2.id, ratingBefore: p4Rating, ratingChange: p4Change },
];
for (const snapshot of snapshotData) {