@speakr/speakr-module-services/utils/validation.js

SPEAKR Shared Service Module

'use strict';

const Joi = require('joi');
/**
 * Writes value to the path on the specified Object.
 * @param  {Object} obj   The object to modify.
 * @param  {String} path  The path on the object to write to.
 * @param  {Object} value The value to write to the object.
 * @return {Object}       The updated object.
 */
const writeObject = (obj, path, value) => {
  const paths = path.split('.');
  return paths.reduce((response, key, i) => {
    if ((key in response) === false) {
      if (paths.length === i + 1) {
        response[key] = value;
        return obj;
      }
      response[key] = {};
    }
    return response[key];
  }, obj);
};
/**
 * @name validate
 * @description Validates the data against the schema.
 * @return {Promise}
 */
module.exports = (data) => {

  return {
    against: (schema, map) => {
      return new Promise((resolve, reject) => {


        console.log("here >>>>> ", data, schema);


        Joi.validate(data, schema, {
          convert: true,
          abortEarly: false,
          allowUnknown: true,
          skipFunctions: true
        }, (err) => {
          console.log('#err',err);
          if (err) {
            //@info Generate the error message
            let message = err.details.map((detail) => {
              return detail.message;
            }).join(', ');

            const error = map ? map(message) : message = {
              message: message
            };
            error.details = {};

            err.details.reduce((result, detail) => {
              return writeObject(result, detail.path, detail.message);
            }, error.details);
            //@info Return the error
            return reject(error);
          }
          return resolve();
        });
      });
    }
  };
};