mirror of https://github.com/Chocobozzz/PeerTube
				
				
				
			
		
			
				
	
	
		
			81 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			TypeScript
		
	
	
			
		
		
	
	
			81 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			TypeScript
		
	
	
import * as express from 'express'
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import { UserVideoRateUpdate } from '../../../../shared'
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import { logger } from '../../../helpers/logger'
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import { sequelizeTypescript, VIDEO_RATE_TYPES } from '../../../initializers'
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import { sendVideoRateChange } from '../../../lib/activitypub'
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import { asyncMiddleware, asyncRetryTransactionMiddleware, authenticate, videoRateValidator } from '../../../middlewares'
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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 { VideoModel } from '../../../models/video/video'
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const rateVideoRouter = express.Router()
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rateVideoRouter.put('/:id/rate',
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  authenticate,
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  asyncMiddleware(videoRateValidator),
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  asyncRetryTransactionMiddleware(rateVideo)
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)
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// ---------------------------------------------------------------------------
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export {
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  rateVideoRouter
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}
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// ---------------------------------------------------------------------------
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async function rateVideo (req: express.Request, res: express.Response) {
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  const body: UserVideoRateUpdate = req.body
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  const rateType = body.rating
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  const videoInstance: VideoModel = res.locals.video
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  const accountInstance: AccountModel = res.locals.oauth.token.User.Account
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  await sequelizeTypescript.transaction(async t => {
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    const sequelizeOptions = { transaction: t }
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    const previousRate = await AccountVideoRateModel.load(accountInstance.id, videoInstance.id, t)
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    let likesToIncrement = 0
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    let dislikesToIncrement = 0
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    if (rateType === VIDEO_RATE_TYPES.LIKE) likesToIncrement++
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    else if (rateType === VIDEO_RATE_TYPES.DISLIKE) dislikesToIncrement++
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    // There was a previous rate, update it
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    if (previousRate) {
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      // We will remove the previous rate, so we will need to update the video count attribute
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      if (previousRate.type === VIDEO_RATE_TYPES.LIKE) likesToIncrement--
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      else if (previousRate.type === VIDEO_RATE_TYPES.DISLIKE) dislikesToIncrement--
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      if (rateType === 'none') { // Destroy previous rate
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        await previousRate.destroy({ transaction: t })
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      } else { // Update previous rate
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        previousRate.type = rateType
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        await previousRate.save({ transaction: t })
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      }
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    } else if (rateType !== 'none') { // There was not a previous rate, insert a new one if there is a rate
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      const query = {
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        accountId: accountInstance.id,
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        videoId: videoInstance.id,
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        type: rateType
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      }
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      await AccountVideoRateModel.create(query, sequelizeOptions)
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    }
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    const incrementQuery = {
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      likes: likesToIncrement,
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      dislikes: dislikesToIncrement
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    }
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    // Even if we do not own the video we increment the attributes
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    // It is useful for the user to have a feedback
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    await videoInstance.increment(incrementQuery, sequelizeOptions)
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    await sendVideoRateChange(accountInstance, videoInstance, likesToIncrement, dislikesToIncrement, t)
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  })
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  logger.info('Account video rate for video %s of account %s updated.', videoInstance.name, accountInstance.name)
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  return res.type('json').status(204).end()
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}
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