feat: course analytics (#574)

* feat: added anaytics for the course page

* feat: Added pagination

* feat: cleanup

* feat: added translations

* feat: added fixes

* my improvements

---------

Co-authored-by: Rotimi Best <best@classroomio.com>
This commit is contained in:
Nwosu Emmanuel
2025-09-18 01:00:49 +01:00
committed by GitHub
co-authored by Rotimi Best
parent f3de6a063e
commit ec3875bac2
28 changed files with 1322 additions and 40 deletions
@@ -0,0 +1,281 @@
import type { CourseAnalytics, StudentOverview } from '$lib/utils/types/analytics';
import type { UserExercisesStats } from '$lib/utils/types/analytics';
import { fetchProfileCourseProgress } from '$lib/utils/services/courses';
import { getServerSupabase } from '$lib/utils/functions/supabase.server';
import { json } from '@sveltejs/kit';
const supabase = getServerSupabase();
const CACHE_DURATION = 60 * 5; // 5 minutes
export async function POST({ setHeaders, request }) {
const { courseId } = await request.json();
if (!courseId) {
return json({ success: false, message: 'Request is missing required fields' }, { status: 400 });
}
setHeaders({
'cache-control': `max-age=${CACHE_DURATION}`,
'content-type': 'application/json'
});
try {
const analytics = await getCourseAnalytics(courseId);
return json(analytics, { status: 200 });
} catch (error) {
console.error('Course analytics error:', error);
return json({ error: 'Something went wrong' }, { status: 500 });
}
}
async function getCourseAnalytics(courseId: string): Promise<CourseAnalytics> {
const analytics: CourseAnalytics = {
totalTutors: 0,
totalStudents: 0,
totalLessons: 0,
totalExercises: 0,
lessonCompletionRate: 0,
exerciseCompletionRate: 0,
averageGrade: 0,
students: []
};
// Fetch course basic info and group members
const { data: courseData, error: courseError } = await supabase
.from('course')
.select(
`
id,
title,
group(
members:groupmember(
id,
role_id,
profile_id,
profile(
id,
fullname,
email,
avatar_url
)
)
),
lessons:lesson(
id,
title,
exercise(id)
)
`
)
.eq('id', courseId)
.single();
if (courseError) {
throw new Error('Failed to fetch course data');
}
// Count tutors and students
const members = (courseData.group as any)?.members || [];
analytics.totalTutors = members.filter(
(member) => member.role_id === 1 || member.role_id === 2
).length;
analytics.totalStudents = members.filter((member) => member.role_id === 3).length;
// Count lessons and exercises
analytics.totalLessons = courseData.lessons?.length || 0;
analytics.totalExercises =
courseData.lessons?.reduce((total, lesson) => total + (lesson.exercise?.length || 0), 0) || 0;
// Get student analytics
const studentAnalytics = await Promise.all(
members
.filter((member) => member.role_id === 3)
.map((member) => getStudentOverview(courseId, member))
);
analytics.students = studentAnalytics.filter(
(student): student is StudentOverview => student !== null
);
// Calculate aggregated metrics
if (analytics.students.length > 0) {
analytics.lessonCompletionRate = Math.round(
analytics.students.reduce((sum, student) => sum + student.progressPercentage, 0) /
analytics.students.length
);
analytics.exerciseCompletionRate = Math.round(
analytics.students.reduce((sum, student) => {
const completionRate =
student.totalExercises > 0
? (student.exercisesSubmitted / student.totalExercises) * 100
: 0;
return sum + completionRate;
}, 0) / analytics.students.length
);
analytics.averageGrade = Math.round(
analytics.students.reduce((sum, student) => sum + student.averageGrade, 0) /
analytics.students.length
);
}
return analytics;
}
async function getLastLogin(userId: string): Promise<string | undefined> {
try {
const { data, error } = await supabase
.from('analytics_login_events')
.select('logged_in_at')
.eq('user_id', userId)
.order('logged_in_at', { ascending: false })
.limit(1);
if (error) throw error;
return data?.[0]?.logged_in_at;
} catch (error) {
console.error('Error fetching last login:', error);
return undefined;
}
}
async function getStudentOverview(courseId: string, member: any): Promise<StudentOverview | null> {
try {
// Use the same service function that the working analytics/user API uses
const { data: courseProgressData, error: progressError } = await fetchProfileCourseProgress(
courseId,
member.profile_id
);
if (progressError) {
console.error('Error fetching course progress:', progressError);
return null;
}
const courseProgress = courseProgressData?.[0];
if (!courseProgress) {
console.error('No course progress data found');
return null;
}
// Fetch exercise stats using the same method as the people page
const userExercisesStats = await fetchUserExercisesStats(courseId, member.profile_id);
// Calculate exercise completion using the same logic as people page
const completedExercises =
userExercisesStats?.filter((exercise) => exercise.isCompleted)?.length || 0;
const totalExercises = userExercisesStats?.length || 0;
// Get last login using the same approach as analytics/user API
const lastLoginDate = await getLastLogin(member.profile_id);
// Format last seen
let lastSeen = 'Never';
if (lastLoginDate) {
const lastLogin = new Date(lastLoginDate);
const now = new Date();
const diffInHours = Math.floor((now.getTime() - lastLogin.getTime()) / (1000 * 60 * 60));
if (diffInHours < 1) {
lastSeen = 'Just now';
} else if (diffInHours < 24) {
lastSeen = `${diffInHours} hours ago`;
} else {
const diffInDays = Math.floor(diffInHours / 24);
lastSeen = `${diffInDays} days ago`;
}
}
// Calculate progress percentage
const lessonsCompleted = courseProgress.lessons_completed || 0;
const totalLessons = courseProgress.lessons_count || 0;
const progressPercentage =
totalLessons > 0 ? Math.round((lessonsCompleted / totalLessons) * 100) : 0;
// Calculate average grade using the same logic as the people page
const totalEarnedPoints =
userExercisesStats?.reduce((sum, exercise) => sum + exercise.score, 0) || 0;
const totalPoints =
userExercisesStats?.reduce((sum, exercise) => sum + exercise.totalPoints, 0) || 0;
const averageGrade = totalPoints > 0 ? Math.round((totalEarnedPoints / totalPoints) * 100) : 0;
return {
id: member.profile_id,
profile: {
fullname: member.profile?.fullname || 'Unknown',
email: member.profile?.email || '',
avatar_url: member.profile?.avatar_url || ''
},
lessonsCompleted,
totalLessons,
exercisesSubmitted: completedExercises,
totalExercises: totalExercises,
averageGrade,
lastSeen,
progressPercentage
};
} catch (error) {
console.error('Error getting student overview:', error);
return null;
}
}
async function fetchUserExercisesStats(
courseId: string,
userId: string
): Promise<UserExercisesStats[] | undefined> {
try {
const { data: courseData, error: queryError } = await supabase
.from('course')
.select(
`
lesson!inner (
title,exercise!inner (
id,title,lesson_id,created_at,question (points),
submission!left (
id,total,status_id,submitted_by,groupmember!inner (id,profile_id)
)
)
)
`
)
.eq('lesson.exercise.submission.groupmember.profile_id', userId)
.eq('id', courseId);
if (queryError) {
console.error('Error fetching exercise data:', queryError);
return;
}
if (!courseData || courseData.length === 0) {
return;
}
const userExercisesStats = courseData[0].lesson.flatMap(
(lesson) =>
lesson.exercise?.map((exercise) => {
const totalPoints = exercise.question?.reduce((sum, q) => sum + (q.points || 0), 0) || 0;
const userSubmission = exercise.submission?.[0];
return {
id: exercise.id,
lessonId: exercise.lesson_id,
lessonTitle: lesson.title,
title: exercise.title,
status: userSubmission?.status_id,
score: userSubmission?.total || 0,
totalPoints,
isCompleted: !!userSubmission
};
}) || []
);
return userExercisesStats;
} catch (error) {
console.error('Unexpected error:', error);
}
}
@@ -0,0 +1,140 @@
<script lang="ts">
import { onMount } from 'svelte';
import CourseContainer from '$lib/components/CourseContainer/index.svelte';
import { PageBody, PageNav } from '$lib/components/Page';
import { t } from '$lib/utils/functions/translations';
import { getAccessToken } from '$lib/utils/functions/supabase';
import { snackbar } from '$lib/components/Snackbar/store';
import type { CourseAnalytics } from '$lib/utils/types/analytics';
import { fade } from 'svelte/transition';
import StudentTable from '$lib/components/Course/components/Analytics/StudentTable.svelte';
import AnalyticsGraph from '$lib/components/Course/components/Analytics/AnalyticsGraph.svelte';
import AnalyticsSkeleton from '$lib/components/Course/components/Analytics/AnalyticsSkeleton.svelte';
import AnalyticsCard from '$lib/components/Course/components/Analytics/AnalyticsCard.svelte';
import { ChartBar } from 'carbon-icons-svelte';
import StudentsIcon from '$lib/components/Course/components/Analytics/icons/StudentsIcon.svelte';
import LessonsIcon from '$lib/components/Course/components/Analytics/icons/LessonsIcon.svelte';
import ProgressIcon from '$lib/components/Course/components/Analytics/icons/ProgressIcon.svelte';
import ExercisesIcon from '$lib/components/Course/components/Analytics/icons/ExercisesIcon.svelte';
import EmptyState from '$lib/components/Course/components/Analytics/EmptyState.svelte';
export let data;
let courseAnalytics: CourseAnalytics | null = null;
let isLoading = true;
async function fetchCourseAnalytics() {
try {
isLoading = true;
const accessToken = await getAccessToken();
const response = await fetch('/api/analytics/course', {
method: 'POST',
headers: {
'Content-Type': 'application/json',
Authorization: accessToken
},
body: JSON.stringify({ courseId: data.courseId })
});
if (response.ok) {
courseAnalytics = (await response.json()) as CourseAnalytics;
} else {
console.error('Failed to fetch course analytics:', response);
snackbar.error('Failed to load analytics data');
courseAnalytics = null;
}
} catch (error) {
console.error('Failed to fetch course analytics:', error);
snackbar.error('Failed to load analytics data');
courseAnalytics = null;
} finally {
isLoading = false;
}
}
onMount(() => {
fetchCourseAnalytics();
});
</script>
<CourseContainer bind:courseId={data.courseId}>
<PageNav title={$t('course.navItem.analytics.title')} />
<PageBody width="w-full max-w-6xl md:w-11/12">
{#if isLoading}
<AnalyticsSkeleton />
{:else if courseAnalytics}
<div class="min-h-screen" in:fade>
<!-- Main Content Area -->
<div class="px-4 py-8">
<!-- Course Overview Cards -->
<div class="mb-12">
<div class="grid grid-cols-1 gap-4 md:grid-cols-2 lg:grid-cols-4">
<!-- Students Card -->
<AnalyticsCard
title={$t('analytics.students')}
value={courseAnalytics?.totalStudents || 0}
subtitle="{$t('analytics.tutors')}: {courseAnalytics?.totalTutors || 0}"
icon={StudentsIcon}
iconColor="blue"
/>
<!-- Lessons Card -->
<AnalyticsCard
title={$t('analytics.lessons')}
value={courseAnalytics?.totalLessons || 0}
subtitle="{$t('analytics.exercises')}: {courseAnalytics?.totalExercises || 0}"
icon={LessonsIcon}
iconColor="green"
/>
<!-- Progress Card -->
<AnalyticsCard
title={$t('analytics.progress')}
value="{courseAnalytics?.lessonCompletionRate || 0}%"
subtitle="{$t('analytics.avg_grade')}: {courseAnalytics?.averageGrade || 0}%"
icon={ProgressIcon}
iconColor="purple"
/>
<!-- Exercise Completion Card -->
<AnalyticsCard
title={$t('analytics.exercises')}
value="{courseAnalytics?.exerciseCompletionRate || 0}%"
subtitle={$t('analytics.completion_rate')}
icon={ExercisesIcon}
iconColor="orange"
/>
</div>
</div>
<!-- Charts Section -->
<div class="mb-12">
<AnalyticsGraph {courseAnalytics} />
</div>
<!-- Students Overview Table -->
<div
class="rounded-lg border border-gray-200 bg-white dark:border-gray-700 dark:bg-neutral-800"
>
<div class="border-b border-gray-200 px-6 py-4 dark:border-gray-700">
<h3 class="text-lg font-semibold text-gray-900 dark:text-white">
{$t('analytics.student_progress_overview')}
</h3>
</div>
<div class="p-6">
<StudentTable students={courseAnalytics?.students || []} />
</div>
</div>
</div>
</div>
{:else}
<EmptyState
title={$t('analytics.no_analytics_data')}
description={$t('analytics.no_analytics_description')}
icon={ChartBar}
className="h-screen"
/>
{/if}
</PageBody>
</CourseContainer>
@@ -0,0 +1,7 @@
export const load = ({ params }) => {
const { id } = params;
return {
courseId: id
};
};
@@ -11,10 +11,21 @@
export let data;
// Get back URL from query parameters
$: backUrl = $page.url.searchParams.get('back');
const handleClick = () => {
const url = $page.url.href + '?add=true';
goto(url);
};
const handleBackNavigation = () => {
if (backUrl) {
goto(backUrl);
} else {
goto(`/courses/${data.courseId}/people`);
}
};
</script>
<CourseContainer bind:courseId={data.courseId}>
@@ -22,12 +33,7 @@
<slot:fragment slot="image">
{#if data.personId}
<RoleBasedSecurity allowedRoles={[1, 2]}>
<IconButton
size="large"
onClick={() => {
goto(`/courses/${data.courseId}/people`);
}}
>
<IconButton size="large" onClick={handleBackNavigation}>
<ArrowLeft size={16} class="carbon-icon dark:text-white " />
</IconButton>
</RoleBasedSecurity>
@@ -105,7 +105,7 @@
</div>
</Grid>
<div class="mt-5 rounded-md border p-3 dark:border-neutral-600 md:p-5">
<div class="mt-5 rounded-md border p-3 md:p-5 dark:border-neutral-600">
<h3 class="text-2xl font-bold">
{$t('analytics.exercises')}
</h3>