162 lines
5.2 KiB
TypeScript
162 lines
5.2 KiB
TypeScript
import * as express from 'express'
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import * as Promise from 'bluebird'
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import { database as db } from '../../../initializers/database'
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import {
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logger,
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retryTransactionWrapper
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} from '../../../helpers'
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import {
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VIDEO_RATE_TYPES,
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REQUEST_VIDEO_EVENT_TYPES,
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REQUEST_VIDEO_QADU_TYPES
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} from '../../../initializers'
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import {
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addEventsToRemoteVideo,
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quickAndDirtyUpdatesVideoToFriends
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} from '../../../lib'
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import {
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authenticate,
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videoRateValidator
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} from '../../../middlewares'
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import { UserVideoRateUpdate, VideoRateType } from '../../../../shared'
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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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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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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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retryTransactionWrapper(rateVideo, options)
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.then(() => res.type('json').status(204).end())
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.catch(err => next(err))
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}
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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 = res.locals.video
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const userInstance = res.locals.oauth.token.User
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return db.sequelize.transaction(t => {
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return db.UserVideoRate.load(userInstance.id, videoInstance.id, t)
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.then(previousRate => {
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const options = { transaction: 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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let promise: Promise<any>
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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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promise = previousRate.destroy()
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} else { // Update previous rate
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previousRate.type = rateType as VideoRateType
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promise = 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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userId: userInstance.id,
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videoId: videoInstance.id,
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type: rateType
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}
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promise = db.UserVideoRate.create(query, options)
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} else {
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promise = Promise.resolve()
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}
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return promise.then(() => ({ likesToIncrement, dislikesToIncrement }))
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})
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.then(({ likesToIncrement, dislikesToIncrement }) => {
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const options = { transaction: t }
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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 usefull for the user to have a feedback
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return videoInstance.increment(incrementQuery, options).then(() => ({ likesToIncrement, dislikesToIncrement }))
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})
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.then(({ likesToIncrement, dislikesToIncrement }) => {
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// No need for an event type, we own the video
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if (videoInstance.isOwned()) return { likesToIncrement, dislikesToIncrement }
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const eventsParams = []
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if (likesToIncrement !== 0) {
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eventsParams.push({
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videoId: videoInstance.id,
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type: REQUEST_VIDEO_EVENT_TYPES.LIKES,
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count: likesToIncrement
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})
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}
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if (dislikesToIncrement !== 0) {
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eventsParams.push({
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videoId: videoInstance.id,
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type: REQUEST_VIDEO_EVENT_TYPES.DISLIKES,
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count: dislikesToIncrement
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})
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}
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return addEventsToRemoteVideo(eventsParams, t).then(() => ({ likesToIncrement, dislikesToIncrement }))
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})
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.then(({ likesToIncrement, dislikesToIncrement }) => {
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// We do not own the video, there is no need to send a quick and dirty update to friends
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// Our rate was already sent by the addEvent function
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if (videoInstance.isOwned() === false) return undefined
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const qadusParams = []
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if (likesToIncrement !== 0) {
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qadusParams.push({
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videoId: videoInstance.id,
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type: REQUEST_VIDEO_QADU_TYPES.LIKES
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})
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}
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if (dislikesToIncrement !== 0) {
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qadusParams.push({
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videoId: videoInstance.id,
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type: REQUEST_VIDEO_QADU_TYPES.DISLIKES
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})
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}
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return quickAndDirtyUpdatesVideoToFriends(qadusParams, t)
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})
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})
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.then(() => logger.info('User video rate for video %s of user %s updated.', videoInstance.name, userInstance.username))
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.catch(err => {
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// This is just a debug because we will retry the insert
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logger.debug('Cannot add the user video rate.', err)
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throw err
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})
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}
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