server/models/pods.js

   1 'use strict'
   2
   3 const mongoose = require('mongoose')
   4 const map = require('lodash/map')
   5 const validator = require('express-validator').validator
   6
   7 const constants = require('../initializers/constants')
   8
   9 // ---------------------------------------------------------------------------
  10
  11 const PodSchema = mongoose.Schema({
  12   url: String,
  13   publicKey: String,
  14   score: { type: Number, max: constants.FRIEND_SCORE.MAX },
  15   createdDate: {
  16     type: Date,
  17     default: Date.now
  18   }
  19 })
  20
  21 // TODO: set options (TLD...)
  22 PodSchema.path('url').validate(validator.isURL)
  23 PodSchema.path('publicKey').required(true)
  24 PodSchema.path('score').validate(function (value) { return !isNaN(value) })
  25
  26 PodSchema.methods = {
  27   toFormatedJSON
  28 }
  29
  30 PodSchema.statics = {
  31   countAll,
  32   incrementScores,
  33   list,
  34   listAllIds,
  35   listBadPods,
  36   load,
  37   loadByUrl,
  38   removeAll
  39 }
  40
  41 PodSchema.pre('save', function (next) {
  42   const self = this
  43
  44   Pod.loadByUrl(this.url, function (err, pod) {
  45     if (err) return next(err)
  46
  47     if (pod) return next(new Error('Pod already exists.'))
  48
  49     self.score = constants.FRIEND_SCORE.BASE
  50     return next()
  51   })
  52 })
  53
  54 const Pod = mongoose.model('Pod', PodSchema)
  55
  56 // ------------------------------ METHODS ------------------------------
  57
  58 function toFormatedJSON () {
  59   const json = {
  60     id: this._id,
  61     url: this.url,
  62     score: this.score,
  63     createdDate: this.createdDate
  64   }
  65
  66   return json
  67 }
  68
  69 // ------------------------------ Statics ------------------------------
  70
  71 function countAll (callback) {
  72   return this.count(callback)
  73 }
  74
  75 function incrementScores (ids, value, callback) {
  76   if (!callback) callback = function () {}
  77   return this.update({ _id: { $in: ids } }, { $inc: { score: value } }, { multi: true }, callback)
  78 }
  79
  80 function list (callback) {
  81   return this.find(callback)
  82 }
  83
  84 function listAllIds (callback) {
  85   return this.find({}, { _id: 1 }, function (err, pods) {
  86     if (err) return callback(err)
  87
  88     return callback(null, map(pods, '_id'))
  89   })
  90 }
  91
  92 function listBadPods (callback) {
  93   return this.find({ score: 0 }, callback)
  94 }
  95
  96 function load (id, callback) {
  97   return this.findById(id, callback)
  98 }
  99
 100 function loadByUrl (url, callback) {
 101   return this.findOne({ url: url }, callback)
 102 }
 103
 104 function removeAll (callback) {
 105   return this.remove({}, callback)
 106 }