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refactor: improve number rounding and handling in analytics calculations

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This commit is contained in:
Rotimi Best
2025-09-15 14:17:37 +01:00
parent 7d150ea500
commit def5318c07
1 changed files with 14 additions and 9 deletions
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apps/dashboard/src/routes/api/analytics/user/+server.ts
+14 -9
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@@ -39,7 +39,11 @@ export async function POST({ setHeaders, request }) {
}
function sumArrObject<T>(arr: T[], key: keyof T) {
return arr.reduce((sum, item) => sum + (item[key] as number), 0);
return arr.reduce((sum, item) => sum + ((item[key] as number) || 0), 0);
}
function roundNumber(a: number, b: number) {
return Math.round(a / b) * 100 || 0;
}
async function getLastLogin(userId: string): Promise<string | undefined> {
@@ -99,14 +103,14 @@ async function getAudienceData(userId: string, orgId: string): Promise<UserAnaly
const totalEarnedPoints = sumArrObject(exercisesStats, 'score');
const totalPoints = sumArrObject(exercisesStats, 'totalPoints');
const averageGrade = Math.round((totalEarnedPoints / totalPoints) * 100);
const averageGrade = roundNumber(totalEarnedPoints, totalPoints);
const lessonsCompleted = courseProgress?.lessons_completed || 0;
const lessonsCount = courseProgress?.lessons_count || 0;
audienceAnalytics.courses.push({
...course,
...courseProgress,
progress_percentage: Math.round((lessonsCompleted / lessonsCount) * 100),
progress_percentage: roundNumber(lessonsCompleted, lessonsCount),
average_grade: averageGrade
});
}
@@ -119,10 +123,10 @@ async function getAudienceData(userId: string, orgId: string): Promise<UserAnaly
(acc, course) => acc + course.lessons_completed,
0
);
const overallCourseProgress = Math.round((completedLessons / totalLessons) * 100);
const overallCourseProgress = roundNumber(completedLessons, totalLessons);
const allGrades = sumArrObject(audienceAnalytics.courses, 'average_grade');
const overallAverageGrade = Math.round(allGrades / audienceAnalytics.courses.length);
const overallAverageGrade = roundNumber(allGrades, audienceAnalytics.courses.length);
audienceAnalytics.overallCourseProgress = overallCourseProgress;
audienceAnalytics.overallAverageGrade = overallAverageGrade || 0;
@@ -177,7 +181,7 @@ async function getStudentAnalyticsData(
const totalEarnedPoints = sumArrObject(userExercisesStats, 'score');
const totalPoints = sumArrObject(userExercisesStats, 'totalPoints');
userCourseAnalytics.averageGrade = Math.round((totalEarnedPoints / totalPoints) * 100);
userCourseAnalytics.averageGrade = roundNumber(totalEarnedPoints, totalPoints);
userCourseAnalytics.userExercisesStats = userExercisesStats;
const completedLessons = lessonCompletions.filter((lesson) => lesson.completed);
@@ -185,8 +189,9 @@ async function getStudentAnalyticsData(
userCourseAnalytics.totalExercises = exerciseResponse.data[0].exercises_count;
userCourseAnalytics.completedExercises = exerciseResponse.data[0].exercises_completed;
userCourseAnalytics.progressPercentage = Math.round(
(completedLessons.length / lessonCompletions.length) * 100
userCourseAnalytics.progressPercentage = roundNumber(
completedLessons.length,
lessonCompletions.length
);
return userCourseAnalytics;
@@ -202,7 +207,7 @@ async function fetchUserExercisesStats(
.select(
`
lesson!inner (
title,exercise!inner (
title,exercise!left (
id,title,lesson_id,created_at,question (points),
submission!left (
id,total,status_id,submitted_by,groupmember!inner (id,profile_id)