server/models/utils.js

   1 'use strict'
   2
   3 const parallel = require('async/parallel')
   4
   5 const utils = {
   6   listForApiWithCount
   7 }
   8
   9 function listForApiWithCount (query, start, count, sort, callback) {
  10   const self = this
  11
  12   parallel([
  13     function (asyncCallback) {
  14       self.find(query).skip(start).limit(count).sort(sort).exec(asyncCallback)
  15     },
  16     function (asyncCallback) {
  17       self.count(query, asyncCallback)
  18     }
  19   ], function (err, results) {
  20     if (err) return callback(err)
  21
  22     const data = results[0]
  23     const total = results[1]
  24     return callback(null, data, total)
  25   })
  26 }
  27
  28 // ---------------------------------------------------------------------------
  29
  30 module.exports = utils