94 lines
3.2 KiB
TypeScript
94 lines
3.2 KiB
TypeScript
import * as express from 'express'
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import { UserVideoRateUpdate } from '../../../../shared'
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import { logger, retryTransactionWrapper } from '../../../helpers'
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import { VIDEO_RATE_TYPES } from '../../../initializers'
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import { database as db } from '../../../initializers/database'
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import { asyncMiddleware, authenticate, videoRateValidator } from '../../../middlewares'
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import { AccountInstance } from '../../../models/account/account-interface'
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import { VideoInstance } from '../../../models/video/video-interface'
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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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videoRateValidator,
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asyncMiddleware(rateVideoRetryWrapper)
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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 rateVideoRetryWrapper (req: express.Request, res: express.Response, next: express.NextFunction) {
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const options = {
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arguments: [ req, res ],
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errorMessage: 'Cannot update the user video rate.'
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}
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await retryTransactionWrapper(rateVideo, options)
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return res.type('json').status(204).end()
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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: VideoInstance = res.locals.video
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const accountInstance: AccountInstance = res.locals.oauth.token.User.Account
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await db.sequelize.transaction(async t => {
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const sequelizeOptions = { transaction: t }
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const previousRate = await db.AccountVideoRate.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()
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} else { // Update previous rate
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previousRate.type = rateType
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await previousRate.save()
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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 db.AccountVideoRate.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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if (videoInstance.isOwned() === false) {
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// TODO: Send a event to original server
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} else {
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// TODO: Send update to followers
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}
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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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}
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