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'use strict'
const each = require('async/each')
const eachSeries = require('async/eachSeries')
const express = require('express')
const mongoose = require('mongoose')
const middlewares = require('../../middlewares')
const secureMiddleware = middlewares.secure
const validators = middlewares.validators.remote
const logger = require('../../helpers/logger')
const router = express.Router()
const Video = mongoose.model('Video')
router.post('/videos',
validators.signature,
secureMiddleware.checkSignature,
validators.remoteVideos,
remoteVideos
)
// ---------------------------------------------------------------------------
module.exports = router
// ---------------------------------------------------------------------------
function remoteVideos (req, res, next) {
const requests = req.body.data
const fromHost = req.body.signature.host
// We need to process in the same order to keep consistency
// TODO: optimization
eachSeries(requests, function (request, callbackEach) {
const videoData = request.data
if (request.type === 'add') {
addRemoteVideo(videoData, fromHost, callbackEach)
} else if (request.type === 'remove') {
removeRemoteVideo(videoData, fromHost, callbackEach)
} else {
logger.error('Unkown remote request type %s.', request.type)
}
}, function (err) {
if (err) logger.error('Error managing remote videos.', { error: err })
})
// We don't need to keep the other pod waiting
return res.type('json').status(204).end()
}
function addRemoteVideo (videoToCreateData, fromHost, callback) {
logger.debug('Adding remote video "%s".', videoToCreateData.name)
const video = new Video(videoToCreateData)
video.podHost = fromHost
Video.generateThumbnailFromBase64(video, videoToCreateData.thumbnailBase64, function (err) {
if (err) {
logger.error('Cannot generate thumbnail from base 64 data.', { error: err })
return callback(err)
}
video.save(callback)
})
}
function removeRemoteVideo (videoToRemoveData, fromHost, callback) {
// We need the list because we have to remove some other stuffs (thumbnail etc)
Video.listByHostAndRemoteId(fromHost, videoToRemoveData.remoteId, function (err, videosList) {
if (err) {
logger.error('Cannot list videos from host and magnets.', { error: err })
return callback(err)
}
if (videosList.length === 0) {
logger.error('No remote video was found for this pod.', { magnetUri: videoToRemoveData.magnetUri, podHost: fromHost })
}
each(videosList, function (video, callbackEach) {
logger.debug('Removing remote video %s.', video.magnetUri)
video.remove(callbackEach)
}, callback)
})
}
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