Smart Action for "deep" creation

smart-action-for-deep-creation.js

// See documentation at https://doc.forestadmin.com/developer-guide/lumber.html#actions

// Smart Action declaration example in forest/request.js
const Liana = require('forest-express-sequelize');

Liana.collection('request', {
  actions: [{
    name: 'Add offer with child objects',
    fields: [{
      field: 'offerStatus',
      type: 'String',
    }, {
      field: 'userName',
      type: 'String',
    }, {
      field: 'offerDetailDescription',
      type: 'String',
    }],
  }],
});

// Smart Action logic in routes/requests.js
'use strict';
const P = require('bluebird');
const express = require('express');
const router = express.Router();
const liana = require('forest-express-sequelize');
const models = require('../models');

router.post('/actions/add-offer-with-child-objects', liana.ensureAuthenticated, (request, response) => {
  const requestId = request.body.data.attributes.ids[0];
  const params = request.body.data.attributes.values;

  const promises = [];
  promises.push(models.requests.findById(requestId));
  promises.push(models.offers.create({ status: params.offerStatus }));
  promises.push(models.users.create({ name: params.userName }));
  promises.push(models.offerDetails.create({ description: params.offerDetailDescription }));
  
  return P
    .spread(promises)
    .then(function(request, offer, user, offerDetail) {
      return offer
        .setUser(user);
        .then(function () {
          return offer.setOfferDetail(offerDetail);
        })
        .then(function() {
          return request.addOffer(offer);
        });
    });
    .then(function() {
      response.send({
        success: 'Offer successfully added!',
      });
    });
});

module.exports = router;