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display user score in quiz dashboard #953

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Merged
XI4507 merged 2 commits into from
Jul 12, 2026
Merged

display user score in quiz dashboard #953

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2348337
display user score in quiz dashboard
khushbu-25 Jun 26, 2026
b80e12c
query optimization
XI4507 Jul 9, 2026
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13 changes: 6 additions & 7 deletions packages/alea-frontend/components/QuizPerformanceTable.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -98,13 +98,12 @@ function QuizPerformanceTable({
<TableCell sx={{ wordBreak: 'break-word' }}>
<b>{t.maxPoints}</b>
</TableCell>
{/* Showing my score contributed to performance issues during the quiz.
<TableCell sx={{ wordBreak: 'break-word' }}>
<b>{t.myScore}</b>
</TableCell> */}
<TableCell sx={{ wordBreak: 'break-word' }}>
<b>{t.averageScore}</b>
</TableCell>
<TableCell sx={{ wordBreak: 'break-word' }}>
<b>{t.myScore}</b>
</TableCell>
</TableRow>
</TableHead>
<TableBody>
Expand Down Expand Up @@ -145,12 +144,12 @@ function QuizPerformanceTable({
</Tooltip>
</TableCell>
<TableCell>{previousQuizData?.quizInfo[quiz.quizId]?.maxPoints}</TableCell>
{/* <TableCell>
{previousQuizData?.quizInfo[quiz.quizId]?.score?.toFixed(2)}
</TableCell> */}
<TableCell>
{previousQuizData?.quizInfo[quiz.quizId]?.averageScore?.toFixed(2)}
</TableCell>
<TableCell>
{previousQuizData?.quizInfo[quiz.quizId]?.score?.toFixed(2)}
</TableCell>
</TableRow>
))}
</TableBody>
Expand Down
46 changes: 20 additions & 26 deletions packages/alea-frontend/pages/api/quiz/get-previous-quiz-info/[courseId].ts
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Original file line number Diff line number Diff line change
Expand Up @@ -11,38 +11,33 @@ import { getCurrentTermForCourseId } from '../../get-current-term';
import { queryGradingDbAndEndSet500OnError } from '../../grading-db-utils';
import { getAllQuizzes } from '../quiz-utils';

const USER_TO_QUIZ_SCORES_CACHE = new Map<string, { [quizId: string]: number }>();

// Quiz Id to (cacheTimestampMs, avgScore)
const QUIZ_AVG_SCORES_CACHE = new Map<string, { cacheTimestampMs: number; avgScore: number }>();

async function getUserScoresOrSet500Error(
userId: string,
res: NextApiResponse
): Promise<{ [quizId: string]: number } | undefined> {
if (USER_TO_QUIZ_SCORES_CACHE.size === 0) {
const result: Array<any> = await queryGradingDbAndEndSet500OnError(
`SELECT userId, quizId, sum(points) as score
FROM grading
WHERE (quizId, userId, problemId, browserTimestamp_ms) IN (
SELECT quizId, userId,problemId, MAX(browserTimestamp_ms) AS browserTimestamp_ms
const result: Array<any> = await queryGradingDbAndEndSet500OnError(
`SELECT g.quizId, SUM(g.points) as score
FROM grading g
WHERE g.userId = ?
AND (g.quizId, g.userId, g.problemId, g.browserTimestamp_ms) IN (
SELECT quizId, userId, problemId, MAX(browserTimestamp_ms) AS browserTimestamp_ms
FROM grading
GROUP BY quizId, userId,problemId
WHERE userId = ?
GROUP BY quizId, userId, problemId
)
GROUP BY userId,quizId;`,
[],
res
);
if (!result) return;
result.forEach((quiz) => {
const score = quiz['score'];
const quizId = quiz['quizId'];
const userId = quiz['userId'];
if (!USER_TO_QUIZ_SCORES_CACHE.has(userId)) USER_TO_QUIZ_SCORES_CACHE.set(userId, {});
USER_TO_QUIZ_SCORES_CACHE.get(userId)[quizId] = score;
});
}
return USER_TO_QUIZ_SCORES_CACHE.get(userId) ?? {};
GROUP BY g.quizId;`,
[userId, userId],
res
);
if (!result) return;
const userScores: { [quizId: string]: number } = {};
result.forEach((quiz) => {
userScores[quiz['quizId']] = quiz['score'];
});
return userScores;
}

async function getQuizAveragesOrSet500Error(
Expand Down Expand Up @@ -101,9 +96,8 @@ export default async function handler(req: NextApiRequest, res: NextApiResponse)
const courseId = req.query.courseId as string;
let instanceId = req.query.instanceId as string;
if (!instanceId) instanceId = await getCurrentTermForCourseId(courseId);
const userScores = {}; // await getUserScoresOrSet500Error(userId, res); Disable to avoid performance issues
const userScores = await getUserScoresOrSet500Error(userId, res); // Disable to avoid performance issues
if (!userScores) return;

const relevantQuizzes = getAllQuizzes()
.filter((q) => q.courseId === courseId && q.courseTerm === instanceId)
.filter((q) => getQuizPhase(q) === Phase.FEEDBACK_RELEASED);
Expand All @@ -130,7 +124,7 @@ export default async function handler(req: NextApiRequest, res: NextApiResponse)
}
const quizId = quiz.id;
quizInfo[quizId] = {
score: userScores[quizId],
score: userScores[quizId] ?? 0,
averageScore: quizAverages.get(quizId),
maxPoints,
recorrectionInfo,
Expand Down
3 changes: 3 additions & 0 deletions sql/grading_database_setup.sql
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Original file line number Diff line number Diff line change
Expand Up @@ -28,3 +28,6 @@ SELECT * FROM grading;

-- For optimizing the get-quiz API
CREATE INDEX idx_grading_optimus ON grading (quizId, userId, problemId, browserTimestamp_ms);

-- For optimizing user-specific score lookups in get-previous-quiz-info
CREATE INDEX idx_grading_user_quiz_problem_time ON grading(userId, quizId, problemId, browserTimestamp_ms);
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