briareus/lib/service/middleware/validate.js

Briareus assists with Feature Branch deploys to ECS

'use strict'

const _ = require('lodash');
const Ajv = require('ajv');

const schemas = require('../schemas');
const errors = require('../errors');

module.exports = function (service, schemaName) {
  return function (req, res, next) {
    let ajv = new Ajv({
      removeAdditional: 'all',
      allErrors: true,
      useDefaults: true
    });

    _.each(schemas, (schema, name) => ajv.addSchema(schema, name));

    let result = ajv.validate(schemaName, req.body);

    // Continue if data payload is valid
    if (result) return next();

    next(new errors.InputValidationError(ajv.errors));
  };
};