server/lib/video-channel.ts

   1 import * as Sequelize from 'sequelize'
   2 import { v4 as uuidv4 } from 'uuid'
   3 import { VideoChannelCreate } from '../../shared/models'
   4 import { VideoChannelModel } from '../models/video/video-channel'
   5 import { buildActorInstance } from './activitypub/actor'
   6 import { VideoModel } from '../models/video/video'
   7 import { MAccountId, MChannelDefault, MChannelId } from '../typings/models'
   8 import { getVideoChannelActivityPubUrl } from './activitypub/url'
   9 import { federateVideoIfNeeded } from './activitypub/videos'
  10
  11 type CustomVideoChannelModelAccount <T extends MAccountId> = MChannelDefault & { Account?: T }
  12
  13 async function createLocalVideoChannel <T extends MAccountId> (
  14   videoChannelInfo: VideoChannelCreate,
  15   account: T,
  16   t: Sequelize.Transaction
  17 ): Promise<CustomVideoChannelModelAccount<T>> {
  18   const uuid = uuidv4()
  19   const url = getVideoChannelActivityPubUrl(videoChannelInfo.name)
  20   const actorInstance = buildActorInstance('Group', url, videoChannelInfo.name, uuid)
  21
  22   const actorInstanceCreated = await actorInstance.save({ transaction: t })
  23
  24   const videoChannelData = {
  25     name: videoChannelInfo.displayName,
  26     description: videoChannelInfo.description,
  27     support: videoChannelInfo.support,
  28     accountId: account.id,
  29     actorId: actorInstanceCreated.id
  30   }
  31
  32   const videoChannel = new VideoChannelModel(videoChannelData)
  33
  34   const options = { transaction: t }
  35   const videoChannelCreated: CustomVideoChannelModelAccount<T> = await videoChannel.save(options) as MChannelDefault
  36
  37   // Do not forget to add Account/Actor information to the created video channel
  38   videoChannelCreated.Account = account
  39   videoChannelCreated.Actor = actorInstanceCreated
  40
  41   // No need to seed this empty video channel to followers
  42   return videoChannelCreated
  43 }
  44
  45 async function federateAllVideosOfChannel (videoChannel: MChannelId) {
  46   const videoIds = await VideoModel.getAllIdsFromChannel(videoChannel)
  47
  48   for (const videoId of videoIds) {
  49     const video = await VideoModel.loadAndPopulateAccountAndServerAndTags(videoId)
  50
  51     await federateVideoIfNeeded(video, false)
  52   }
  53 }
  54
  55 // ---------------------------------------------------------------------------
  56
  57 export {
  58   createLocalVideoChannel,
  59   federateAllVideosOfChannel
  60 }