Created
April 14, 2016 04:56
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/** | |
* Using Rails-like standard naming convention for endpoints. | |
* GET /api/things -> index | |
* POST /api/things -> create | |
* GET /api/things/:id -> show | |
* PUT /api/things/:id -> update | |
* DELETE /api/things/:id -> destroy | |
*/ | |
'use strict'; | |
var _ = require('lodash'); | |
var Thing = require('./thing.model'); | |
function handleError(res, statusCode) { | |
statusCode = statusCode || 500; | |
return function(err) { | |
res.status(statusCode).send(err); | |
}; | |
} | |
function responseWithResult(res, statusCode) { | |
statusCode = statusCode || 200; | |
return function(entity) { | |
if (entity) { | |
res.status(statusCode).json(entity); | |
} | |
}; | |
} | |
function handleEntityNotFound(res) { | |
return function(entity) { | |
if (!entity) { | |
res.status(404).end(); | |
return null; | |
} | |
return entity; | |
}; | |
} | |
function saveUpdates(updates) { | |
return function(entity) { | |
var updated = _.merge(entity, updates); | |
return updated.saveAsync() | |
.spread(function(updated) { | |
return updated; | |
}); | |
}; | |
} | |
function removeEntity(res) { | |
return function(entity) { | |
if (entity) { | |
return entity.removeAsync() | |
.then(function() { | |
res.status(204).end(); | |
}); | |
} | |
}; | |
} | |
// Gets a list of Things | |
exports.index = function(req, res) { | |
Thing.findAsync() | |
.then(responseWithResult(res)) | |
.catch(handleError(res)); | |
}; | |
// Gets a single Thing from the DB | |
exports.show = function(req, res) { | |
Thing.findByIdAsync(req.params.id) | |
.then(handleEntityNotFound(res)) | |
.then(responseWithResult(res)) | |
.catch(handleError(res)); | |
}; | |
// Creates a new Thing in the DB | |
exports.create = function(req, res) { | |
Thing.createAsync(req.body) | |
.then(responseWithResult(res, 201)) | |
.catch(handleError(res)); | |
}; | |
// Updates an existing Thing in the DB | |
exports.update = function(req, res) { | |
if (req.body._id) { | |
delete req.body._id; | |
} | |
Thing.findByIdAsync(req.params.id) | |
.then(handleEntityNotFound(res)) | |
.then(saveUpdates(req.body)) | |
.then(responseWithResult(res)) | |
.catch(handleError(res)); | |
}; | |
// Deletes a Thing from the DB | |
exports.destroy = function(req, res) { | |
Thing.findByIdAsync(req.params.id) | |
.then(handleEntityNotFound(res)) | |
.then(removeEntity(res)) | |
.catch(handleError(res)); | |
}; |
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