schema.js

const Joi = require('joi');

module.exports.ListingSchema = Joi.object({
    listing : Joi.object({
        title: Joi.string().required(),
        description: Joi.string().required(),
        location: Joi.string().required(),
        country: Joi.string().required(),
        price: Joi.number().required().min(0),
  image: Joi.object({
    url: Joi.string().uri().empty('').default('https://images.unsplash.com/photo-1566073771259-6a8506099945?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxzZWFyY2h8M3x8aG90ZWxzfGVufDB8fDB8fHww&auto=format&fit=crop&w=800&q=60').optional()
  }).default({ url: 'https://images.unsplash.com/photo-1566073771259-6a8506099945?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxzZWFyY2h8M3x8aG90ZWxzfGVufDB8fDB8fHww&auto=format&fit=crop&w=800&q=60' }).optional()
})});

module.exports.reviewSchema = Joi.object({
    review : Joi.object({
        rating: Joi.number().required().min(1).max(5),
        comment: Joi.string().required()
    }).required(),
});