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, reject: Function) {
  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, err => {
  26     if (err) reject(err)
  27   })
  28 }
  29
  30 async function fetchRemoteVideoDescription (video: VideoModel) {
  31   // FIXME: use url
  32   const host = video.VideoChannel.Account.Actor.Server.host
  33   const path = video.getDescriptionPath()
  34   const options = {
  35     uri: REMOTE_SCHEME.HTTP + '://' + host + path,
  36     json: true
  37   }
  38
  39   const { body } = await doRequest(options)
  40   return body.description ? body.description : ''
  41 }
  42
  43 function generateThumbnailFromUrl (video: VideoModel, icon: ActivityIconObject) {
  44   const thumbnailName = video.getThumbnailName()
  45   const thumbnailPath = join(CONFIG.STORAGE.THUMBNAILS_DIR, thumbnailName)
  46
  47   const options = {
  48     method: 'GET',
  49     uri: icon.url
  50   }
  51   return doRequestAndSaveToFile(options, thumbnailPath)
  52 }
  53
  54 async function sendVideoRateChangeToFollowers (
  55   account: AccountModel,
  56   video: VideoModel,
  57   likes: number,
  58   dislikes: number,
  59   t: Transaction
  60 ) {
  61   const actor = account.Actor
  62
  63   // Keep the order: first we undo and then we create
  64
  65   // Undo Like
  66   if (likes < 0) await sendUndoLikeToVideoFollowers(actor, video, t)
  67   // Undo Dislike
  68   if (dislikes < 0) await sendUndoDislikeToVideoFollowers(actor, video, t)
  69
  70   // Like
  71   if (likes > 0) await sendLikeToVideoFollowers(actor, video, t)
  72   // Dislike
  73   if (dislikes > 0) await sendCreateDislikeToVideoFollowers(actor, video, t)
  74 }
  75
  76 async function sendVideoRateChangeToOrigin (
  77   account: AccountModel,
  78   video: VideoModel,
  79   likes: number,
  80   dislikes: number,
  81   t: Transaction
  82 ) {
  83   const actor = account.Actor
  84
  85   // Keep the order: first we undo and then we create
  86
  87   // Undo Like
  88   if (likes < 0) await sendUndoLikeToOrigin(actor, video, t)
  89   // Undo Dislike
  90   if (dislikes < 0) await sendUndoDislikeToOrigin(actor, video, t)
  91
  92   // Like
  93   if (likes > 0) await sendLikeToOrigin(actor, video, t)
  94   // Dislike
  95   if (dislikes > 0) await sendCreateDislikeToOrigin(actor, video, t)
  96 }
  97
  98 export {
  99   fetchRemoteVideoPreview,
 100   fetchRemoteVideoDescription,
 101   generateThumbnailFromUrl,
 102   sendVideoRateChangeToFollowers,
 103   sendVideoRateChangeToOrigin
 104 }