schema.js

const Joi = require("joi");

module.exports.listingSchema = Joi.object({
    listing: Joi.object({
        title:Joi.string().required(),
        description:Joi.string().required(),
        price:Joi.number().required().min(0),
        location:Joi.string().required(),
        country:Joi.string().required(),
        image:Joi.string().allow("",null),
    }).required()
});

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

const validateListing =((req,res,next)=>{
    let {error} = listingSchema.validate(req.body);
        if(error){
        let errMsg = error.details.map((el) => el.message).join(",");
            throw new ExpressError(400,error);
        }else{
            next();
        }
});