import Restaurant from "../models/restaurant.js"; import Dish from "../models/dish.js"; import User from "../models/users.js"; import mongoose from "mongoose"; export function validateRestaurant(id, callback) { if (mongoose.Types.ObjectId.isValid(id)) { Restaurant.exists({ _id: id }, (err, res) => { if (err) { callback(false); } else { callback(res); } }); } else callback(false); } export function validateUser(id, callback) { callback(true); } export function validateDishId(id, callback) { if (mongoose.Types.ObjectId.isValid(id)) { Dish.exists({ _id: id }, (err, res) => { if (err) { callback(false); } else { callback(res); } }); } else callback(false); }