projectCtrl.js

'use strict'
const router = require('express').Router()

const Project = require('../models/project')
const Build = require('../models/build')

// require('mongoose').Promise = require('bluebird') this is already done elsewhere

router.param('projectname', (req, res, next, id) => {
  if (!id) {
    let err = new Error('Project name cannot be empty.')
    err.status = 400
    next(err)
    return
  }

  Project
    .findOne({pn: id})
    .then(project => {
      if (!project) {
        let err = new Error('The given project name was not found.')
        err.status = 404
        throw err
      }

      req.project = project
      next()
    })
    
    .catch(next)
})

// -- Routes ------
router.get('/', (req, res, next) => {
  Project
    .find()
    .exec()
    .then(projects => res.end(JSON.stringify(projects)))
    .catch(next)
})

router.get('/:projectname', (req, res, next) => {
  res.json(req.project)
})

router.get('/:projectname/builds', (req, res, next) => {
  Build
    .find({pn: req.project.pn})
    .exec()
    .then(builds => res.json(builds))
    .catch(next)
})

module.exports = router

stack

Warning: a promise was created in a  handler but was not returned from it
    at Query.exec (/src/node_modules/mongoose/lib/query.js:2125:10)
    at /src/routes/projectCtrl.js:50:6
    at Layer.handle [as handle_request] (/src/node_modules/express/lib/router/layer.js:95:5)
    at next (/src/node_modules/express/lib/router/route.js:131:13)
    at Route.dispatch (/src/node_modules/express/lib/router/route.js:112:3)
    at Layer.handle [as handle_request] (/src/node_modules/express/lib/router/layer.js:95:5)
    at /src/node_modules/express/lib/router/index.js:277:22
    at param (/src/node_modules/express/lib/router/index.js:349:14)
    at paramCallback (/src/node_modules/express/lib/router/index.js:401:21)
    at /src/routes/projectCtrl.js:27:7
    at processImmediate [as _immediateCallback] (timers.js:383:17)
From previous event:
    at Query.then (/src/node_modules/mongoose/lib/query.js:2155:22)
    at /src/routes/projectCtrl.js:19:6
    at paramCallback (/src/node_modules/express/lib/router/index.js:404:7)
    at param (/src/node_modules/express/lib/router/index.js:384:5)
    at Function.process_params (/src/node_modules/express/lib/router/index.js:410:3)
    at next (/src/node_modules/express/lib/router/index.js:271:10)
    at Function.handle (/src/node_modules/express/lib/router/index.js:176:3)
    at router (/src/node_modules/express/lib/router/index.js:46:12)
    at Layer.handle [as handle_request] (/src/node_modules/express/lib/router/layer.js:95:5)
    at trim_prefix (/src/node_modules/express/lib/router/index.js:312:13)
    at /src/node_modules/express/lib/router/index.js:280:7
    at Function.process_params (/src/node_modules/express/lib/router/index.js:330:12)
    at next (/src/node_modules/express/lib/router/index.js:271:10)
    at /src/app.js:34:3
    at Layer.handle [as handle_request] (/src/node_modules/express/lib/router/layer.js:95:5)
    at trim_prefix (/src/node_modules/express/lib/router/index.js:312:13)
    at /src/node_modules/express/lib/router/index.js:280:7
    at Function.process_params (/src/node_modules/express/lib/router/index.js:330:12)
    at next (/src/node_modules/express/lib/router/index.js:271:10)
    at /src/app.js:27:3
    at Layer.handle [as handle_request] (/src/node_modules/express/lib/router/layer.js:95:5)
    at trim_prefix (/src/node_modules/express/lib/router/index.js:312:13)
    at /src/node_modules/express/lib/router/index.js:280:7
    at Function.process_params (/src/node_modules/express/lib/router/index.js:330:12)
    at next (/src/node_modules/express/lib/router/index.js:271:10)