server/helpers/customValidators.js

   1 'use strict'
   2
   3 const validator = require('express-validator').validator
   4
   5 const constants = require('../initializers/constants')
   6 const VIDEOS_CONSTRAINTS_FIELDS = constants.VIDEOS_CONSTRAINTS_FIELDS
   7
   8 const customValidators = {
   9   exists: exists,
  10   isEachAddRemoteVideosValid: isEachAddRemoteVideosValid,
  11   isEachRemoveRemoteVideosValid: isEachRemoveRemoteVideosValid,
  12   isArray: isArray,
  13   isVideoAuthorValid: isVideoAuthorValid,
  14   isVideoDateValid: isVideoDateValid,
  15   isVideoDescriptionValid: isVideoDescriptionValid,
  16   isVideoDurationValid: isVideoDurationValid,
  17   isVideoMagnetUriValid: isVideoMagnetUriValid,
  18   isVideoNameValid: isVideoNameValid,
  19   isVideoPodUrlValid: isVideoPodUrlValid,
  20   isVideoTagsValid: isVideoTagsValid,
  21   isVideoThumbnailValid: isVideoThumbnailValid
  22 }
  23
  24 function exists (value) {
  25   return value !== undefined && value !== null
  26 }
  27
  28 function isEachAddRemoteVideosValid (videos) {
  29   return videos.every(function (video) {
  30     return isVideoAuthorValid(video.author) &&
  31            isVideoDateValid(video.createdDate) &&
  32            isVideoDescriptionValid(video.description) &&
  33            isVideoDurationValid(video.duration) &&
  34            isVideoMagnetUriValid(video.magnetUri) &&
  35            isVideoNameValid(video.name) &&
  36            isVideoPodUrlValid(video.podUrl) &&
  37            isVideoTagsValid(video.tags) &&
  38            isVideoThumbnailValid(video.thumbnailBase64)
  39   })
  40 }
  41
  42 function isEachRemoveRemoteVideosValid (videos) {
  43   return videos.every(function (video) {
  44     return isVideoMagnetUriValid(video.magnetUri)
  45   })
  46 }
  47
  48 function isArray (value) {
  49   return Array.isArray(value)
  50 }
  51
  52 function isVideoAuthorValid (value) {
  53   return validator.isLength(value, VIDEOS_CONSTRAINTS_FIELDS.AUTHOR)
  54 }
  55
  56 function isVideoDateValid (value) {
  57   return validator.isDate(value)
  58 }
  59
  60 function isVideoDescriptionValid (value) {
  61   return validator.isLength(value, VIDEOS_CONSTRAINTS_FIELDS.DESCRIPTION)
  62 }
  63
  64 function isVideoDurationValid (value) {
  65   return validator.isInt(value + '', VIDEOS_CONSTRAINTS_FIELDS.DURATION)
  66 }
  67
  68 function isVideoMagnetUriValid (value) {
  69   return validator.isLength(value, VIDEOS_CONSTRAINTS_FIELDS.MAGNET_URI)
  70 }
  71
  72 function isVideoNameValid (value) {
  73   return validator.isLength(value, VIDEOS_CONSTRAINTS_FIELDS.NAME)
  74 }
  75
  76 function isVideoPodUrlValid (value) {
  77   return validator.isURL(value)
  78 }
  79
  80 function isVideoTagsValid (tags) {
  81   return isArray(tags) &&
  82          validator.isInt(tags.length, VIDEOS_CONSTRAINTS_FIELDS.TAGS) &&
  83          tags.every(function (tag) {
  84            return validator.isAlphanumeric(tag) &&
  85                   validator.isLength(tag, VIDEOS_CONSTRAINTS_FIELDS.TAG)
  86          })
  87 }
  88
  89 function isVideoThumbnailValid (value) {
  90   return validator.isBase64(value) &&
  91          validator.isByteLength(value, VIDEOS_CONSTRAINTS_FIELDS.THUMBNAIL)
  92 }
  93
  94 // ---------------------------------------------------------------------------
  95
  96 module.exports = customValidators
  97
  98 // ---------------------------------------------------------------------------