618 lines
18 KiB
JavaScript
618 lines
18 KiB
JavaScript
'use strict'
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const express = require('express')
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const fs = require('fs')
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const multer = require('multer')
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const path = require('path')
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const waterfall = require('async/waterfall')
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const constants = require('../../initializers/constants')
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const db = require('../../initializers/database')
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const logger = require('../../helpers/logger')
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const friends = require('../../lib/friends')
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const middlewares = require('../../middlewares')
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const admin = middlewares.admin
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const oAuth = middlewares.oauth
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const pagination = middlewares.pagination
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const validators = middlewares.validators
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const validatorsPagination = validators.pagination
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const validatorsSort = validators.sort
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const validatorsVideos = validators.videos
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const search = middlewares.search
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const sort = middlewares.sort
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const databaseUtils = require('../../helpers/database-utils')
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const utils = require('../../helpers/utils')
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const router = express.Router()
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// multer configuration
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const storage = multer.diskStorage({
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destination: function (req, file, cb) {
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cb(null, constants.CONFIG.STORAGE.VIDEOS_DIR)
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},
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filename: function (req, file, cb) {
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let extension = ''
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if (file.mimetype === 'video/webm') extension = 'webm'
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else if (file.mimetype === 'video/mp4') extension = 'mp4'
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else if (file.mimetype === 'video/ogg') extension = 'ogv'
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utils.generateRandomString(16, function (err, randomString) {
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const fieldname = err ? undefined : randomString
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cb(null, fieldname + '.' + extension)
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})
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}
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})
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const reqFiles = multer({ storage: storage }).fields([{ name: 'videofile', maxCount: 1 }])
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router.get('/categories', listVideoCategories)
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router.get('/licences', listVideoLicences)
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router.get('/abuse',
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oAuth.authenticate,
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admin.ensureIsAdmin,
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validatorsPagination.pagination,
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validatorsSort.videoAbusesSort,
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sort.setVideoAbusesSort,
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pagination.setPagination,
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listVideoAbuses
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)
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router.post('/:id/abuse',
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oAuth.authenticate,
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validatorsVideos.videoAbuseReport,
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reportVideoAbuseRetryWrapper
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)
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router.put('/:id/rate',
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oAuth.authenticate,
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validatorsVideos.videoRate,
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rateVideoRetryWrapper
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)
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router.get('/',
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validatorsPagination.pagination,
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validatorsSort.videosSort,
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sort.setVideosSort,
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pagination.setPagination,
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listVideos
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)
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router.put('/:id',
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oAuth.authenticate,
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reqFiles,
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validatorsVideos.videosUpdate,
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updateVideoRetryWrapper
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)
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router.post('/',
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oAuth.authenticate,
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reqFiles,
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validatorsVideos.videosAdd,
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addVideoRetryWrapper
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)
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router.get('/:id',
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validatorsVideos.videosGet,
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getVideo
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)
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router.delete('/:id',
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oAuth.authenticate,
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validatorsVideos.videosRemove,
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removeVideo
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)
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router.get('/search/:value',
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validatorsVideos.videosSearch,
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validatorsPagination.pagination,
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validatorsSort.videosSort,
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sort.setVideosSort,
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pagination.setPagination,
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search.setVideosSearch,
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searchVideos
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)
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// ---------------------------------------------------------------------------
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module.exports = router
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// ---------------------------------------------------------------------------
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function listVideoCategories (req, res, next) {
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res.json(constants.VIDEO_CATEGORIES)
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}
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function listVideoLicences (req, res, next) {
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res.json(constants.VIDEO_LICENCES)
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}
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function rateVideoRetryWrapper (req, res, next) {
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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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databaseUtils.retryTransactionWrapper(rateVideo, options, function (err) {
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if (err) return next(err)
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return res.type('json').status(204).end()
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})
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}
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function rateVideo (req, res, finalCallback) {
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const rateType = req.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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waterfall([
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databaseUtils.startSerializableTransaction,
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function findPreviousRate (t, callback) {
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db.UserVideoRate.load(userInstance.id, videoInstance.id, t, function (err, previousRate) {
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return callback(err, t, previousRate)
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})
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},
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function insertUserRateIntoDB (t, previousRate, callback) {
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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 === constants.VIDEO_RATE_TYPES.LIKE) likesToIncrement++
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else if (rateType === constants.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 remove it from the video attribute
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if (previousRate.type === constants.VIDEO_RATE_TYPES.LIKE) likesToIncrement--
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else if (previousRate.type === constants.VIDEO_RATE_TYPES.DISLIKE) dislikesToIncrement--
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previousRate.type = rateType
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previousRate.save(options).asCallback(function (err) {
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return callback(err, t, likesToIncrement, dislikesToIncrement)
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})
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} else { // There was not a previous rate, insert a new one
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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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db.UserVideoRate.create(query, options).asCallback(function (err) {
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return callback(err, t, likesToIncrement, dislikesToIncrement)
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})
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}
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},
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function updateVideoAttributeDB (t, likesToIncrement, dislikesToIncrement, callback) {
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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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videoInstance.increment(incrementQuery, options).asCallback(function (err) {
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return callback(err, t, likesToIncrement, dislikesToIncrement)
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})
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},
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function sendEventsToFriendsIfNeeded (t, likesToIncrement, dislikesToIncrement, callback) {
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// No need for an event type, we own the video
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if (videoInstance.isOwned()) return callback(null, t, 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: constants.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: constants.REQUEST_VIDEO_EVENT_TYPES.DISLIKES,
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count: dislikesToIncrement
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})
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}
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friends.addEventsToRemoteVideo(eventsParams, t, function (err) {
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return callback(err, t, likesToIncrement, dislikesToIncrement)
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})
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},
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function sendQaduToFriendsIfNeeded (t, likesToIncrement, dislikesToIncrement, callback) {
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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 callback(null, t)
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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: constants.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: constants.REQUEST_VIDEO_QADU_TYPES.DISLIKES
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})
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}
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friends.quickAndDirtyUpdatesVideoToFriends(qadusParams, t, function (err) {
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return callback(err, t)
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})
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},
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databaseUtils.commitTransaction
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], function (err, t) {
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if (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.', { error: err })
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return databaseUtils.rollbackTransaction(err, t, finalCallback)
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}
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logger.info('User video rate for video %s of user %s updated.', videoInstance.name, userInstance.username)
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return finalCallback(null)
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})
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}
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// Wrapper to video add that retry the function if there is a database error
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// We need this because we run the transaction in SERIALIZABLE isolation that can fail
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function addVideoRetryWrapper (req, res, next) {
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const options = {
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arguments: [ req, res, req.files.videofile[0] ],
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errorMessage: 'Cannot insert the video with many retries.'
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}
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databaseUtils.retryTransactionWrapper(addVideo, options, function (err) {
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if (err) return next(err)
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// TODO : include Location of the new video -> 201
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return res.type('json').status(204).end()
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})
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}
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function addVideo (req, res, videoFile, finalCallback) {
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const videoInfos = req.body
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waterfall([
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databaseUtils.startSerializableTransaction,
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function findOrCreateAuthor (t, callback) {
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const user = res.locals.oauth.token.User
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const name = user.username
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// null because it is OUR pod
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const podId = null
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const userId = user.id
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db.Author.findOrCreateAuthor(name, podId, userId, t, function (err, authorInstance) {
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return callback(err, t, authorInstance)
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})
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},
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function findOrCreateTags (t, author, callback) {
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const tags = videoInfos.tags
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db.Tag.findOrCreateTags(tags, t, function (err, tagInstances) {
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return callback(err, t, author, tagInstances)
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})
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},
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function createVideoObject (t, author, tagInstances, callback) {
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const videoData = {
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name: videoInfos.name,
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remoteId: null,
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extname: path.extname(videoFile.filename),
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category: videoInfos.category,
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licence: videoInfos.licence,
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nsfw: videoInfos.nsfw,
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description: videoInfos.description,
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duration: videoFile.duration,
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authorId: author.id
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}
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const video = db.Video.build(videoData)
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return callback(null, t, author, tagInstances, video)
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},
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// Set the videoname the same as the id
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function renameVideoFile (t, author, tagInstances, video, callback) {
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const videoDir = constants.CONFIG.STORAGE.VIDEOS_DIR
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const source = path.join(videoDir, videoFile.filename)
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const destination = path.join(videoDir, video.getVideoFilename())
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fs.rename(source, destination, function (err) {
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if (err) return callback(err)
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// This is important in case if there is another attempt
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videoFile.filename = video.getVideoFilename()
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return callback(null, t, author, tagInstances, video)
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})
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},
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function insertVideoIntoDB (t, author, tagInstances, video, callback) {
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const options = { transaction: t }
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// Add tags association
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video.save(options).asCallback(function (err, videoCreated) {
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if (err) return callback(err)
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// Do not forget to add Author informations to the created video
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videoCreated.Author = author
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return callback(err, t, tagInstances, videoCreated)
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})
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},
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function associateTagsToVideo (t, tagInstances, video, callback) {
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const options = { transaction: t }
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video.setTags(tagInstances, options).asCallback(function (err) {
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video.Tags = tagInstances
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return callback(err, t, video)
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})
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},
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function sendToFriends (t, video, callback) {
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video.toAddRemoteJSON(function (err, remoteVideo) {
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if (err) return callback(err)
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// Now we'll add the video's meta data to our friends
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friends.addVideoToFriends(remoteVideo, t, function (err) {
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return callback(err, t)
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})
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})
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},
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databaseUtils.commitTransaction
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], function andFinally (err, t) {
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if (err) {
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// This is just a debug because we will retry the insert
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logger.debug('Cannot insert the video.', { error: err })
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return databaseUtils.rollbackTransaction(err, t, finalCallback)
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}
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logger.info('Video with name %s created.', videoInfos.name)
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return finalCallback(null)
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})
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}
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function updateVideoRetryWrapper (req, res, next) {
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const options = {
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arguments: [ req, res ],
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errorMessage: 'Cannot update the video with many retries.'
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}
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databaseUtils.retryTransactionWrapper(updateVideo, options, function (err) {
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if (err) return next(err)
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// TODO : include Location of the new video -> 201
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return res.type('json').status(204).end()
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})
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}
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function updateVideo (req, res, finalCallback) {
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const videoInstance = res.locals.video
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const videoFieldsSave = videoInstance.toJSON()
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const videoInfosToUpdate = req.body
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waterfall([
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databaseUtils.startSerializableTransaction,
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function findOrCreateTags (t, callback) {
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if (videoInfosToUpdate.tags) {
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db.Tag.findOrCreateTags(videoInfosToUpdate.tags, t, function (err, tagInstances) {
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return callback(err, t, tagInstances)
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})
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} else {
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return callback(null, t, null)
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}
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},
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function updateVideoIntoDB (t, tagInstances, callback) {
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const options = {
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transaction: t
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}
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if (videoInfosToUpdate.name) videoInstance.set('name', videoInfosToUpdate.name)
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if (videoInfosToUpdate.category) videoInstance.set('category', videoInfosToUpdate.category)
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if (videoInfosToUpdate.licence) videoInstance.set('licence', videoInfosToUpdate.licence)
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if (videoInfosToUpdate.nsfw) videoInstance.set('nsfw', videoInfosToUpdate.nsfw)
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if (videoInfosToUpdate.description) videoInstance.set('description', videoInfosToUpdate.description)
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videoInstance.save(options).asCallback(function (err) {
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return callback(err, t, tagInstances)
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})
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},
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function associateTagsToVideo (t, tagInstances, callback) {
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if (tagInstances) {
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const options = { transaction: t }
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videoInstance.setTags(tagInstances, options).asCallback(function (err) {
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videoInstance.Tags = tagInstances
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return callback(err, t)
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})
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} else {
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return callback(null, t)
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}
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},
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function sendToFriends (t, callback) {
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const json = videoInstance.toUpdateRemoteJSON()
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// Now we'll update the video's meta data to our friends
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friends.updateVideoToFriends(json, t, function (err) {
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return callback(err, t)
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})
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},
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databaseUtils.commitTransaction
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], function andFinally (err, t) {
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if (err) {
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logger.debug('Cannot update the video.', { error: err })
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// Force fields we want to update
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// If the transaction is retried, sequelize will think the object has not changed
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// So it will skip the SQL request, even if the last one was ROLLBACKed!
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Object.keys(videoFieldsSave).forEach(function (key) {
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const value = videoFieldsSave[key]
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videoInstance.set(key, value)
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})
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return databaseUtils.rollbackTransaction(err, t, finalCallback)
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}
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logger.info('Video with name %s updated.', videoInfosToUpdate.name)
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return finalCallback(null)
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})
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}
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function getVideo (req, res, next) {
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const videoInstance = res.locals.video
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if (videoInstance.isOwned()) {
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// The increment is done directly in the database, not using the instance value
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videoInstance.increment('views').asCallback(function (err) {
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if (err) {
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logger.error('Cannot add view to video %d.', videoInstance.id)
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return
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}
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// FIXME: make a real view system
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// For example, only add a view when a user watch a video during 30s etc
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const qaduParams = {
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videoId: videoInstance.id,
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type: constants.REQUEST_VIDEO_QADU_TYPES.VIEWS
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}
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friends.quickAndDirtyUpdateVideoToFriends(qaduParams)
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})
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} else {
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// Just send the event to our friends
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const eventParams = {
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videoId: videoInstance.id,
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type: constants.REQUEST_VIDEO_EVENT_TYPES.VIEWS
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}
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friends.addEventToRemoteVideo(eventParams)
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}
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// Do not wait the view system
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res.json(videoInstance.toFormatedJSON())
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}
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function listVideos (req, res, next) {
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db.Video.listForApi(req.query.start, req.query.count, req.query.sort, function (err, videosList, videosTotal) {
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if (err) return next(err)
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res.json(utils.getFormatedObjects(videosList, videosTotal))
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})
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}
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function removeVideo (req, res, next) {
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const videoInstance = res.locals.video
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videoInstance.destroy().asCallback(function (err) {
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if (err) {
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logger.error('Errors when removed the video.', { error: err })
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return next(err)
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}
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return res.type('json').status(204).end()
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})
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}
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function searchVideos (req, res, next) {
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db.Video.searchAndPopulateAuthorAndPodAndTags(
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req.params.value, req.query.field, req.query.start, req.query.count, req.query.sort,
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function (err, videosList, videosTotal) {
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|
if (err) return next(err)
|
|
|
|
res.json(utils.getFormatedObjects(videosList, videosTotal))
|
|
}
|
|
)
|
|
}
|
|
|
|
function listVideoAbuses (req, res, next) {
|
|
db.VideoAbuse.listForApi(req.query.start, req.query.count, req.query.sort, function (err, abusesList, abusesTotal) {
|
|
if (err) return next(err)
|
|
|
|
res.json(utils.getFormatedObjects(abusesList, abusesTotal))
|
|
})
|
|
}
|
|
|
|
function reportVideoAbuseRetryWrapper (req, res, next) {
|
|
const options = {
|
|
arguments: [ req, res ],
|
|
errorMessage: 'Cannot report abuse to the video with many retries.'
|
|
}
|
|
|
|
databaseUtils.retryTransactionWrapper(reportVideoAbuse, options, function (err) {
|
|
if (err) return next(err)
|
|
|
|
return res.type('json').status(204).end()
|
|
})
|
|
}
|
|
|
|
function reportVideoAbuse (req, res, finalCallback) {
|
|
const videoInstance = res.locals.video
|
|
const reporterUsername = res.locals.oauth.token.User.username
|
|
|
|
const abuse = {
|
|
reporterUsername,
|
|
reason: req.body.reason,
|
|
videoId: videoInstance.id,
|
|
reporterPodId: null // This is our pod that reported this abuse
|
|
}
|
|
|
|
waterfall([
|
|
|
|
databaseUtils.startSerializableTransaction,
|
|
|
|
function createAbuse (t, callback) {
|
|
db.VideoAbuse.create(abuse).asCallback(function (err, abuse) {
|
|
return callback(err, t, abuse)
|
|
})
|
|
},
|
|
|
|
function sendToFriendsIfNeeded (t, abuse, callback) {
|
|
// We send the information to the destination pod
|
|
if (videoInstance.isOwned() === false) {
|
|
const reportData = {
|
|
reporterUsername,
|
|
reportReason: abuse.reason,
|
|
videoRemoteId: videoInstance.remoteId
|
|
}
|
|
|
|
friends.reportAbuseVideoToFriend(reportData, videoInstance)
|
|
}
|
|
|
|
return callback(null, t)
|
|
},
|
|
|
|
databaseUtils.commitTransaction
|
|
|
|
], function andFinally (err, t) {
|
|
if (err) {
|
|
logger.debug('Cannot update the video.', { error: err })
|
|
return databaseUtils.rollbackTransaction(err, t, finalCallback)
|
|
}
|
|
|
|
logger.info('Abuse report for video %s created.', videoInstance.name)
|
|
return finalCallback(null)
|
|
})
|
|
}
|