alphascript-server/lib/db/sql/entity.js

CRUD operations for mongo and other functionalities to get started quickly in any CMS project

var api = require('../../../');
var formidable = require('formidable');
var objectPath = require("object-path");
var Q = require('q');

module.exports = {
  list: function (req, res) {
    if (!req.entity.query) return res.status(404).send("O seu pedido não pode ser processado");

    req.entity.query(req, req.params.id, req.entityAction, function (err, results) {
      if (err instanceof Error) {
        api.error.log(err);
        return res.status(500).send(api.error.DB_GENERIC);
      } else if (err) return res.status(500).send(err);

      if (!req.params.id) {
        if (typeof req.entity.filter === 'function') data = data.filter(req.entity.filter);
        if (typeof req.entity.map === 'function') data = data.map(req.entity.map);
      }

      res.json(results);
    });
  },

  edit: function (req, res) {
    var form = new formidable.IncomingForm();
    form.parse(req, function (err, fields, files) {
      if (err) {
        api.error.log(err);
        return res.status(500).send("Não foi possível receber o seu pedido, por favor tente novamente");
      }

      var item = JSON.parse(fields.item);

      if (typeof req.entity.id === 'undefined') return res.status(404).send('O seu pedido não pode ser processado');
      var id = item[req.entity.id] ? item[req.entity.id] : undefined;

      //determine action
      var action = typeof id !== 'undefined' ? "edit" : "new";
      var save = typeof id !== 'undefined' ? req.entity.update : req.entity.insert;
      if (typeof save !== 'function') return res.status(404).send('O seu pedido não pode ser processado');

      //validate
      var validate = typeof req.entity.validate === 'function' ? req.entity.validate : api.skip;
      validate(item, function (err) {
        if (err) return res.status(400).send(err.message || err);

        //upload files
        var promises = [];
        for (var file in files) {
          promises.push(api.document.upload(req, req.entityName, id, file, files[file]));
        }
        Q.all(promises).then(function (results) {
          results.forEach(function (result) {
            var keys = result.key.replace("[", ".").replace("]", "").split('.');
            objectPath.set(item, keys, result.document.filepath);
          });
          delete item.newFile;

          //set logs
          if (action === "new") {
            item.created_at = new Date();
            item.created_by = req.user.username;
          } else {
            item.updated_at = new Date();
            item.updated_by = req.user.username;
          }

          //save object to db
          save(req, item, function (err, item) {
            if (err instanceof Error) {
              api.error.log(err);
              return res.status(500).send(api.error.DB_GENERIC);
            } else if (err) return res.status(500).send(err);

            //emit through websockets
            var activity = req.entityName + "." + action;
            var websocket = typeof req.entity.websocket === 'function' ? req.entity.websocket(req) + '.' + activity : activity;
            api.options.io.emit(websocket, item);

            //log activity
            api.activity.log(activity, id, req);

            res.json(item);
          });
        });
      }, req);
    });
  },

  remove: function (req, res) {
    //check entity authenticity
    if (typeof req.entity.remove !== 'function') return res.status(404).send('O seu pedido não pode ser processado');

    //check object dependencies
    req.entity.remove(req, req.params.id, function (err) {
      if (err instanceof Error) {
        api.error.log(err);
        return res.status(409).send(api.error.DB_GENERIC);
      } else if (err) return res.status(409).send(err);

      //emit through websockets
      var activity = req.entityName + '.remove';
      var websocket = typeof req.entity.websocket === 'function' ? req.entity.websocket(req) + '.' + activity : activity;
      api.options.io.emit(websocket, req.params.id);

      //log activity
      api.activity.log(activity, req.params.id, req);

      res.end();
    });
  }
};