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Implementation Plan - Learning Management System (LMS)

This plan outlines the architecture and implementation steps for a comprehensive Learning Management System within the Lincoln platform, enabling teachers to manage content, assignments, and assessments.

Proposed Changes

2. LMS (Learning Management System)

  • Course Management: Teachers can upload videos, documents, and notes.
  • Assignments: Online submission and grading system.
  • Quizzes: Auto-graded assessments for students.

Database Layer

New models to support LMS functionality.

[NEW] Course.Model.js

  • Fields: title, description, teacher (Ref: User), studentsEnrolled (Array Ref: User), materials (Array of objects: type (video/doc/note), url, title).

[NEW] Assignment.Model.js

  • Fields: title, description, course (Ref: Course), deadline, maxPoints.

[NEW] Submission.Model.js

  • Fields: assignment (Ref: Assignment), student (Ref: User), fileUrl, grade, feedback.

[NEW] Quiz.Model.js

  • Fields: title, course (Ref: Course), questions (Array: question, options, correctIndex).

Backend Layer

Controllers and Routers for all LMS entities.

[NEW] Course.controller.js

  • Functions: createCourse, getCourses, getCourseById, uploadMaterial.

[NEW] LMS.router.js

  • Grouped routes for Courses, Assignments, and Quizzes.
  • Integration: Add router.use('/lms', protectedRoute, lmsRouter) in index.js.

Frontend Layer

Modular components for teacher and student views.

[NEW] CourseCreator.jsx

  • Form for teachers to define course metadata and upload materials.

[NEW] AssignmentCenter.jsx

  • Teacher interface for creating assignments and grading submissions.

[NEW] QuizBuilder.jsx

  • Interface for teachers to build auto-graded quizzes.

Verification Plan

Automated Tests

  • Postman/Insomnia tests for course creation and material upload.
  • Unit tests for quiz auto-grading logic.

Manual Verification

  • Log in as Teacher: Create a course, upload a PDF, add an assignment.
  • Log in as Student: Enroll in course, view material, submit assignment, take quiz.
  • Verify that grades are correctly calculated and stored.