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