schemas.js

const BaseJoi=require('joi');
const sanitizeHtml=require("sanitize-html");

const extension = (joi) => ({
    type: 'string',
    base: joi.string(),
    messages: {
        'string.escapeHTML': '{{#label}} must not include HTML!'
    },
    rules: {
        escapeHTML: {
            validate(value, helpers) {
                const clean = sanitizeHtml(value, {
                    allowedTags: [],
                    allowedAttributes: {},
                });
                if (clean !== value) return helpers.error('string.escapeHTML', { value })
                return clean;
            }
        }
    }
});

const Joi=BaseJoi.extend(extension);

module.exports.campgroundSchema=Joi.object({
    campground: Joi.object({
        title: Joi.string().required().escapeHTML(),
        price: Joi.number().required().min(0),
        location: Joi.string().required().escapeHTML(),
        // image: Joi.string(),
        description: Joi.string().escapeHTML()

    }).required(),
    deleteImages:Joi.array()
})

module.exports.reviewSchema=Joi.object({
    review:Joi.object({
        rating:Joi.number().required(),
        body:Joi.string().required()
    }).required()
});