slush-y/generators/application/templates/server/base/api/article/article.controller.js

A slush generator for Best Practices with AngularJS Fullstack applications.

/**
 * Using Rails-like standard naming convention for endpoints.
 * GET     /articles              ->  index
 * POST    /articles              ->  create
 * GET     /articles/:id          ->  show
 * PUT     /articles/:id          ->  update
 * DELETE  /articles/:id          ->  destroy
 */

'use strict';

var _ = require('lodash');
var Article = require('./article.model');

// Get list of articles
exports.index = function(req, res) {
  Article.find(function (err, articles) {
    if(err) { return handleError(res, err); }
    return res.json(200, articles);
  });
};

// Get a single article
exports.show = function(req, res) {
  Article.findById(req.params.id, function (err, article) {
    if(err) { return handleError(res, err); }
    if(!article) { return res.send(404); }
    return res.json(article);
  });
};

// Creates a new article in the DB.
exports.create = function(req, res) {
  Article.create(req.body, function(err, article) {
    if(err) { return handleError(res, err); }
    return res.json(201, article);
  });
};

// Updates an existing article in the DB.
exports.update = function(req, res) {
  if(req.body._id) { delete req.body._id; }
  Article.findById(req.params.id, function (err, article) {
    if (err) { return handleError(res, err); }
    if(!article) { return res.send(404); }
    var updated = _.merge(article, req.body);
    updated.save(function (err) {
      if (err) { return handleError(res, err); }
      return res.json(200, article);
    });
  });
};

// Deletes a article from the DB.
exports.destroy = function(req, res) {
  Article.findById(req.params.id, function (err, article) {
    if(err) { return handleError(res, err); }
    if(!article) { return res.send(404); }
    article.remove(function(err) {
      if(err) { return handleError(res, err); }
      return res.send(204);
    });
  });
};

/**
 * Article middleware
 */
exports.articleByID = function(req, res, next, id) {
  Article.findById(id).populate('user', 'displayName').exec(function(err, article) {
    if (err) return next(err);
    if (!article) return next(new Error('Failed to load Article ' + id));
    req.article = article;
    next();
  });
};

/**
 * Article authorization middleware
 */
exports.hasAuthorization = function(req, res, next) {
  if (req.article.user.id !== req.user.id) {
    return res.send(403, 'User is not authorized');
  }
  next();
};
function handleError(res, err) {
  return res.send(500, err);
}