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Phase 5 Summary: Student Dashboard

Status: Complete Date: 2026-01-26

Overview

Phase 5 implemented a complete student dashboard experience, focusing on an intuitive UX for course consumption, lesson viewing, progress tracking, and exam taking.

What Was Built

1. Main Student Dashboard (/dashboard/student)

File: app/dashboard/student/page.tsx

Features:

  • Displays all enrolled courses with visual cards
  • Shows progress per course (completed/total lessons)
  • Stats section: enrolled courses, lessons completed, courses completed
  • Empty state for users with no enrollments

Key Queries:

  • Enrollments with course data
  • Lesson completions per user
  • Progress calculation per course

2. Course Overview Page (/dashboard/student/courses/[courseId])

File: app/dashboard/student/courses/[courseId]/page.tsx

Features:

  • Course header with thumbnail, title, description, author
  • Visual progress bar
  • "Continue Learning" or "Start Course" button
  • "View Exams" button when exams exist
  • Lessons list with completion status
  • Enrollment verification (redirects if not enrolled)

3. Lesson Viewer (/dashboard/student/courses/[courseId]/lessons/[lessonId])

Files:

  • page.tsx - Server component with data fetching
  • lesson-content.tsx - Markdown/video rendering
  • lesson-navigation.tsx - Prev/Next/Complete buttons

Features:

  • Sidebar showing all lessons with completion status
  • Main content area with:
    • YouTube video embedding (auto-extracts video ID)
    • Custom embed code support
    • Markdown content with prose styling
  • Navigation footer with:
    • Previous/Next lesson buttons
    • Mark as Complete toggle
    • Auto-navigation to next lesson on complete

Content Rendering:

  • Uses react-markdown with remark-gfm for GitHub Flavored Markdown
  • Custom prose CSS classes in globals.css for typography

4. Exams List Page (/dashboard/student/courses/[courseId]/exams)

File: app/dashboard/student/courses/[courseId]/exams/page.tsx

Features:

  • Lists all published exams for the course
  • Shows completion status per exam
  • Shows score if exam was completed
  • "Take Exam" or "View Results" buttons

5. Exam Taker (/dashboard/student/courses/[courseId]/exams/[examId])

Files:

  • page.tsx - Server component with auth/enrollment checks
  • exam-taker.tsx - Client component for interactive exam

Features:

  • Question types supported:
    • Multiple choice (radio buttons)
    • True/False (radio buttons)
    • Free text (textarea)
  • Progress indicator showing answered questions
  • Question navigation (click progress dots to jump)
  • Optional timer with countdown and auto-submit
  • Prevents retaking (redirects if already submitted)

6. Exam Review Page (/dashboard/student/courses/[courseId]/exams/[examId]/review)

File: app/dashboard/student/courses/[courseId]/exams/[examId]/review/page.tsx

Features:

  • Score display (percentage)
  • Correct/incorrect answer count
  • Overall AI feedback (from exam_scores.feedback)
  • Per-question review with:
    • Your answer highlighted
    • Correct answer shown
    • AI feedback per question (from exam_answers.feedback)
  • Links back to course and exams list

Reusable Components

components/student/course-card.tsx

  • Visual course card with thumbnail
  • Progress bar
  • "Done" badge when 100% complete
  • Used on main dashboard

components/student/lesson-sidebar.tsx

  • Collapsible lesson list
  • Current lesson highlighted
  • Completion icons per lesson
  • Course title with back link

components/ui/progress.tsx

  • Radix UI progress bar
  • Used for visual progress indicators

components/ui/radio-group.tsx

  • Radix UI radio group
  • Used for multiple choice and true/false questions

Database Tables Used

Table Purpose
enrollments Verify user has access to course
courses Course metadata
lessons Lesson content and ordering
lesson_completions Track which lessons user completed
exams Exam metadata
exam_questions Questions for each exam
question_options Options for multiple choice questions
exam_submissions Track that user submitted an exam
exam_answers User's answers with AI feedback
exam_scores Overall score and feedback
profiles Author information (joined with courses)

Key Patterns Used

1. Direct Supabase Queries with RLS

All data fetching uses direct Supabase queries. RLS policies should be added to protect data (currently relies on auth checks in code).

const { data: lessons } = await supabase
  .from('lessons')
  .select('id, title, sequence')
  .eq('course_id', parseInt(courseId))
  .eq('status', 'published')
  .order('sequence', { ascending: true })

2. Server Components for Data Fetching

Pages are async server components that fetch data before rendering:

export default async function Page({ params }) {
  const { courseId } = await params
  const supabase = await createClient()
  // ... fetch data
  return <Component data={data} />
}

3. Client Components for Interactivity

Interactive elements (completion toggle, exam taking) use client components with 'use client' directive.

4. Enrollment Verification

All protected pages verify enrollment before showing content:

const { data: enrollment } = await supabase
  .from('enrollments')
  .select('enrollment_id')
  .eq('user_id', user.id)
  .eq('course_id', parseInt(courseId))
  .eq('status', 'active')
  .single()

if (!enrollment) {
  redirect('/dashboard/student')
}

CSS Changes

Added prose styles in app/globals.css for markdown rendering:

  • Headings (h1-h3)
  • Paragraphs with line-height
  • Lists (ul, ol)
  • Code blocks with syntax highlighting background
  • Blockquotes with left border
  • Tables
  • Links
  • Images

Known Limitations / TODO

  1. No mobile sidebar - Lesson sidebar is always visible, needs responsive drawer
  2. No AI chat for exercises - Exercise assistance not implemented yet
  3. No comments on lessons - Phase 8 feature
  4. No certificates - Future enhancement
  5. RLS policies needed - Currently relying on code-level auth checks

Route Summary

Route Purpose
/dashboard/student Main dashboard with enrolled courses
/dashboard/student/courses/[courseId] Course overview with lessons list
/dashboard/student/courses/[courseId]/lessons/[lessonId] Lesson viewer
/dashboard/student/courses/[courseId]/exams Exams list
/dashboard/student/courses/[courseId]/exams/[examId] Take exam
/dashboard/student/courses/[courseId]/exams/[examId]/review View exam results

Next Steps

Phase 6 will implement the Teacher Dashboard with:

  • Course creation
  • Lesson editor (MDX)
  • Exam builder
  • Student submission review