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add percentile stats, update chapter guess UI

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This commit is contained in:
George Powell
2026-01-28 23:03:51 -05:00
parent 2df97f66bf
commit d21ca9d687
4 changed files with 235 additions and 204 deletions
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1
src/routes/+page.svelte
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@@ -43,6 +43,7 @@
totalSolves: number;
averageGuesses: number;
tiedCount: number;
percentile: number;
} | null>(null);
let guessedIds = $derived(new Set(guesses.map((g) => g.book.id)));

28
src/routes/api/submit-completion/+server.ts
View File

@@ -44,9 +44,11 @@ export const POST: RequestHandler = async ({ request }) => {
// Solve rank: position in time-ordered list
const solveRank = allCompletions.findIndex(c => c.anonymousId === anonymousId) + 1;
// Guess rank: count how many had FEWER guesses (ties get same rank)
const betterGuesses = allCompletions.filter(c => c.guessCount < guessCount).length;
const guessRank = betterGuesses + 1;
// Guess rank: count how many DISTINCT guess counts are better (grouped ranking)
const uniqueBetterGuessCounts = new Set(
allCompletions.filter(c => c.guessCount < guessCount).map(c => c.guessCount)
);
const guessRank = uniqueBetterGuessCounts.size + 1;
// Count ties: how many have the SAME guessCount (excluding self)
const tiedCount = allCompletions.filter(c => c.guessCount === guessCount && c.anonymousId !== anonymousId).length;
@@ -55,9 +57,13 @@ export const POST: RequestHandler = async ({ request }) => {
const totalGuesses = allCompletions.reduce((sum, c) => sum + c.guessCount, 0);
const averageGuesses = Math.round((totalGuesses / totalSolves) * 10) / 10;
// Percentile: what percentage of people you beat (100 - your rank percentage)
const betterOrEqualCount = allCompletions.filter(c => c.guessCount <= guessCount).length;
const percentile = Math.round((betterOrEqualCount / totalSolves) * 100);
return json({
success: true,
stats: { solveRank, guessRank, totalSolves, averageGuesses, tiedCount }
stats: { solveRank, guessRank, totalSolves, averageGuesses, tiedCount, percentile }
});
} catch (err) {
console.error('Error submitting completion:', err);
@@ -104,9 +110,11 @@ export const GET: RequestHandler = async ({ url }) => {
// Solve rank: position in time-ordered list
const solveRank = allCompletions.findIndex(c => c.anonymousId === anonymousId) + 1;
// Guess rank: count how many had FEWER guesses (ties get same rank)
const betterGuesses = allCompletions.filter(c => c.guessCount < guessCount).length;
const guessRank = betterGuesses + 1;
// Guess rank: count how many DISTINCT guess counts are better (grouped ranking)
const uniqueBetterGuessCounts = new Set(
allCompletions.filter(c => c.guessCount < guessCount).map(c => c.guessCount)
);
const guessRank = uniqueBetterGuessCounts.size + 1;
// Count ties: how many have the SAME guessCount (excluding self)
const tiedCount = allCompletions.filter(c => c.guessCount === guessCount && c.anonymousId !== anonymousId).length;
@@ -115,9 +123,13 @@ export const GET: RequestHandler = async ({ url }) => {
const totalGuesses = allCompletions.reduce((sum, c) => sum + c.guessCount, 0);
const averageGuesses = Math.round((totalGuesses / totalSolves) * 10) / 10;
// Percentile: what percentage of people you beat (100 - your rank percentage)
const betterOrEqualCount = allCompletions.filter(c => c.guessCount <= guessCount).length;
const percentile = Math.round((betterOrEqualCount / totalSolves) * 100);
return json({
success: true,
stats: { solveRank, guessRank, totalSolves, averageGuesses, tiedCount }
stats: { solveRank, guessRank, totalSolves, averageGuesses, tiedCount, percentile }
});
} catch (err) {
console.error('Error fetching stats:', err);