server/lib/activitypub/videos.ts

   1 import { join } from 'path'
   2 import * as request from 'request'
   3 import { Transaction } from 'sequelize'
   4 import { ActivityIconObject } from '../../../shared/index'
   5 import { doRequest, doRequestAndSaveToFile } from '../../helpers'
   6 import { CONFIG, REMOTE_SCHEME, STATIC_PATHS } from '../../initializers'
   7 import { AccountModel } from '../../models/account/account'
   8 import { VideoModel } from '../../models/video/video'
   9 import {
  10   sendCreateDislikeToOrigin,
  11   sendCreateDislikeToVideoFollowers,
  12   sendLikeToOrigin,
  13   sendLikeToVideoFollowers,
  14   sendUndoDislikeToOrigin,
  15   sendUndoDislikeToVideoFollowers,
  16   sendUndoLikeToOrigin,
  17   sendUndoLikeToVideoFollowers
  18 } from './send'
  19
  20 function fetchRemoteVideoPreview (video: VideoModel) {
  21   // FIXME: use url
  22   const host = video.VideoChannel.Account.Actor.Server.host
  23   const path = join(STATIC_PATHS.PREVIEWS, video.getPreviewName())
  24
  25   return request.get(REMOTE_SCHEME.HTTP + '://' + host + path)
  26 }
  27
  28 async function fetchRemoteVideoDescription (video: VideoModel) {
  29   // FIXME: use url
  30   const host = video.VideoChannel.Account.Actor.Server.host
  31   const path = video.getDescriptionPath()
  32   const options = {
  33     uri: REMOTE_SCHEME.HTTP + '://' + host + path,
  34     json: true
  35   }
  36
  37   const { body } = await doRequest(options)
  38   return body.description ? body.description : ''
  39 }
  40
  41 function generateThumbnailFromUrl (video: VideoModel, icon: ActivityIconObject) {
  42   const thumbnailName = video.getThumbnailName()
  43   const thumbnailPath = join(CONFIG.STORAGE.THUMBNAILS_DIR, thumbnailName)
  44
  45   const options = {
  46     method: 'GET',
  47     uri: icon.url
  48   }
  49   return doRequestAndSaveToFile(options, thumbnailPath)
  50 }
  51
  52 async function sendVideoRateChangeToFollowers (
  53   account: AccountModel,
  54   video: VideoModel,
  55   likes: number,
  56   dislikes: number,
  57   t: Transaction
  58 ) {
  59   const actor = account.Actor
  60
  61   // Keep the order: first we undo and then we create
  62
  63   // Undo Like
  64   if (likes < 0) await sendUndoLikeToVideoFollowers(actor, video, t)
  65   // Undo Dislike
  66   if (dislikes < 0) await sendUndoDislikeToVideoFollowers(actor, video, t)
  67
  68   // Like
  69   if (likes > 0) await sendLikeToVideoFollowers(actor, video, t)
  70   // Dislike
  71   if (dislikes > 0) await sendCreateDislikeToVideoFollowers(actor, video, t)
  72 }
  73
  74 async function sendVideoRateChangeToOrigin (
  75   account: AccountModel,
  76   video: VideoModel,
  77   likes: number,
  78   dislikes: number,
  79   t: Transaction
  80 ) {
  81   const actor = account.Actor
  82
  83   // Keep the order: first we undo and then we create
  84
  85   // Undo Like
  86   if (likes < 0) await sendUndoLikeToOrigin(actor, video, t)
  87   // Undo Dislike
  88   if (dislikes < 0) await sendUndoDislikeToOrigin(actor, video, t)
  89
  90   // Like
  91   if (likes > 0) await sendLikeToOrigin(actor, video, t)
  92   // Dislike
  93   if (dislikes > 0) await sendCreateDislikeToOrigin(actor, video, t)
  94 }
  95
  96 export {
  97   fetchRemoteVideoPreview,
  98   fetchRemoteVideoDescription,
  99   generateThumbnailFromUrl,
 100   sendVideoRateChangeToFollowers,
 101   sendVideoRateChangeToOrigin
 102 }