const mongoose = require('mongoose'); const nutritionDB = new mongoose.Schema({ owner: { type: String, required: true, }, date: { type: Date, required: true, }, MealName: { type: String, required: true, unique: true }, calories: { type: Number, required: true }, carbohydrates: { type: Number, default: 0 }, protein: { type: Number, default: 0 }, fats: { type: Number, default: 0 } }); module.exports = NutritionDB = mongoose.model('nutritionDB', nutritionDB);