const mongoose = require("mongoose"); const LectureSchema = new mongoose.Schema({ course: { type: mongoose.Schema.Types.ObjectId, ref: "Course", required: true }, title: { type: String, required: true }, video: { type: String, required: true }, description: { type: String, required: true, }, documents: [{ name: String, link: String }], exercises: [String], url: String, date: { type: Date, default: new Date() } }); module.exports = mongoose.model("Lecture", LectureSchema);