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 function sendVideoRateChangeToFollowers (account: AccountInstance, video: VideoInstance, likes: number, dislikes: number, t: Transaction) {
  52   const tasks: Promise<any>[] = []
  53
  54   // Undo Like
  55   if (likes < 0) tasks.push(sendUndoLikeToVideoFollowers(account, video, t))
  56   // Like
  57   if (likes > 0) tasks.push(sendLikeToVideoFollowers(account, video, t))
  58
  59   // Undo Dislike
  60   if (dislikes < 0) tasks.push(sendUndoDislikeToVideoFollowers(account, video, t))
  61   // Dislike
  62   if (dislikes > 0) tasks.push(sendCreateDislikeToVideoFollowers(account, video, t))
  63
  64   return Promise.all(tasks)
  65 }
  66
  67 function sendVideoRateChangeToOrigin (account: AccountInstance, video: VideoInstance, likes: number, dislikes: number, t: Transaction) {
  68   const tasks: Promise<any>[] = []
  69
  70   // Undo Like
  71   if (likes < 0) tasks.push(sendUndoLikeToOrigin(account, video, t))
  72   // Like
  73   if (likes > 0) tasks.push(sendLikeToOrigin(account, video, t))
  74
  75   // Undo Dislike
  76   if (dislikes < 0) tasks.push(sendUndoDislikeToOrigin(account, video, t))
  77   // Dislike
  78   if (dislikes > 0) tasks.push(sendCreateDislikeToOrigin(account, video, t))
  79
  80   return Promise.all(tasks)
  81 }
  82
  83 export {
  84   fetchRemoteVideoPreview,
  85   fetchRemoteVideoDescription,
  86   generateThumbnailFromUrl,
  87   sendVideoRateChangeToFollowers,
  88   sendVideoRateChangeToOrigin
  89 }