mirror of https://github.com/Chocobozzz/PeerTube
				
				
				
			
		
			
				
	
	
		
			123 lines
		
	
	
		
			4.9 KiB
		
	
	
	
		
			TypeScript
		
	
	
			
		
		
	
	
			123 lines
		
	
	
		
			4.9 KiB
		
	
	
	
		
			TypeScript
		
	
	
| import { ActivityAnnounce, ActivityFollow, ActivityLike, ActivityUndo } from '../../../../shared/models/activitypub'
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| import { DislikeObject } from '../../../../shared/models/activitypub/objects'
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| import { getActorUrl } from '../../../helpers/activitypub'
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| import { retryTransactionWrapper } from '../../../helpers/database-utils'
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| import { logger } from '../../../helpers/logger'
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| import { sequelizeTypescript } from '../../../initializers'
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| import { AccountModel } from '../../../models/account/account'
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| import { AccountVideoRateModel } from '../../../models/account/account-video-rate'
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| import { ActorModel } from '../../../models/activitypub/actor'
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| import { ActorFollowModel } from '../../../models/activitypub/actor-follow'
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| import { forwardVideoRelatedActivity } from '../send/utils'
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| import { getOrCreateVideoAndAccountAndChannel } from '../videos'
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| import { VideoShareModel } from '../../../models/video/video-share'
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| 
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| async function processUndoActivity (activity: ActivityUndo) {
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|   const activityToUndo = activity.object
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| 
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|   const actorUrl = getActorUrl(activity.actor)
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| 
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|   if (activityToUndo.type === 'Like') {
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|     return retryTransactionWrapper(processUndoLike, actorUrl, activity)
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|   } else if (activityToUndo.type === 'Create' && activityToUndo.object.type === 'Dislike') {
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|     return retryTransactionWrapper(processUndoDislike, actorUrl, activity)
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|   } else if (activityToUndo.type === 'Follow') {
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|     return retryTransactionWrapper(processUndoFollow, actorUrl, activityToUndo)
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|   } else if (activityToUndo.type === 'Announce') {
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|     return retryTransactionWrapper(processUndoAnnounce, actorUrl, activityToUndo)
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|   }
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| 
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|   logger.warn('Unknown activity object type %s -> %s when undo activity.', activityToUndo.type, { activity: activity.id })
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| 
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|   return undefined
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| }
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| 
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| // ---------------------------------------------------------------------------
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| 
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| export {
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|   processUndoActivity
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| }
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| 
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| // ---------------------------------------------------------------------------
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| 
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| async function processUndoLike (actorUrl: string, activity: ActivityUndo) {
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|   const likeActivity = activity.object as ActivityLike
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| 
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|   const { video } = await getOrCreateVideoAndAccountAndChannel(likeActivity.object)
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| 
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|   return sequelizeTypescript.transaction(async t => {
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|     const byAccount = await AccountModel.loadByUrl(actorUrl, t)
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|     if (!byAccount) throw new Error('Unknown account ' + actorUrl)
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| 
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|     const rate = await AccountVideoRateModel.load(byAccount.id, video.id, t)
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|     if (!rate) throw new Error(`Unknown rate by account ${byAccount.id} for video ${video.id}.`)
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| 
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|     await rate.destroy({ transaction: t })
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|     await video.decrement('likes', { transaction: t })
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| 
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|     if (video.isOwned()) {
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|       // Don't resend the activity to the sender
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|       const exceptions = [ byAccount.Actor ]
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| 
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|       await forwardVideoRelatedActivity(activity, t, exceptions, video)
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|     }
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|   })
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| }
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| 
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| async function processUndoDislike (actorUrl: string, activity: ActivityUndo) {
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|   const dislike = activity.object.object as DislikeObject
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| 
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|   const { video } = await getOrCreateVideoAndAccountAndChannel(dislike.object)
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| 
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|   return sequelizeTypescript.transaction(async t => {
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|     const byAccount = await AccountModel.loadByUrl(actorUrl, t)
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|     if (!byAccount) throw new Error('Unknown account ' + actorUrl)
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| 
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|     const rate = await AccountVideoRateModel.load(byAccount.id, video.id, t)
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|     if (!rate) throw new Error(`Unknown rate by account ${byAccount.id} for video ${video.id}.`)
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| 
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|     await rate.destroy({ transaction: t })
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|     await video.decrement('dislikes', { transaction: t })
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| 
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|     if (video.isOwned()) {
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|       // Don't resend the activity to the sender
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|       const exceptions = [ byAccount.Actor ]
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| 
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|       await forwardVideoRelatedActivity(activity, t, exceptions, video)
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|     }
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|   })
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| }
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| 
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| function processUndoFollow (actorUrl: string, followActivity: ActivityFollow) {
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|   return sequelizeTypescript.transaction(async t => {
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|     const follower = await ActorModel.loadByUrl(actorUrl, t)
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|     const following = await ActorModel.loadByUrl(followActivity.object, t)
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|     const actorFollow = await ActorFollowModel.loadByActorAndTarget(follower.id, following.id, t)
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| 
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|     if (!actorFollow) throw new Error(`'Unknown actor follow ${follower.id} -> ${following.id}.`)
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| 
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|     await actorFollow.destroy({ transaction: t })
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| 
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|     return undefined
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|   })
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| }
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| 
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| function processUndoAnnounce (actorUrl: string, announceActivity: ActivityAnnounce) {
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|   return sequelizeTypescript.transaction(async t => {
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|     const byAccount = await AccountModel.loadByUrl(actorUrl, t)
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|     if (!byAccount) throw new Error('Unknown account ' + actorUrl)
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| 
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|     const share = await VideoShareModel.loadByUrl(announceActivity.id, t)
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|     if (!share) throw new Error(`'Unknown video share ${announceActivity.id}.`)
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| 
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|     await share.destroy({ transaction: t })
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| 
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|     if (share.Video.isOwned()) {
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|       // Don't resend the activity to the sender
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|       const exceptions = [ byAccount.Actor ]
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| 
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|       await forwardVideoRelatedActivity(announceActivity, t, exceptions, share.Video)
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|     }
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|   })
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| }
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