enrollment.model.js

import mongoose from 'mongoose'

const EnrollmentSchema = new mongoose.Schema({
  course: {
    type: mongoose.SchemaTypes.ObjectId,
    ref: 'Course'
  },
  student: {
    type: mongoose.SchemaTypes.ObjectId,
    ref: 'User'
  },
  created: {
    type: Date,
    default: Date.now
  },
  updated: Date,
  completed: Boolean
})