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'use strict'
const express = require('express')
const mongoose = require('mongoose')
const multer = require('multer')
const waterfall = require('async/waterfall')
const constants = require('../../initializers/constants')
const logger = require('../../helpers/logger')
const friends = require('../../lib/friends')
const middlewares = require('../../middlewares')
const oAuth = middlewares.oauth
const pagination = middlewares.pagination
const validators = middlewares.validators
const validatorsPagination = validators.pagination
const validatorsSort = validators.sort
const validatorsVideos = validators.videos
const search = middlewares.search
const sort = middlewares.sort
const utils = require('../../helpers/utils')
const router = express.Router()
const Video = mongoose.model('Video')
// multer configuration
const storage = multer.diskStorage({
destination: function (req, file, cb) {
cb(null, constants.CONFIG.STORAGE.VIDEOS_DIR)
},
filename: function (req, file, cb) {
let extension = ''
if (file.mimetype === 'video/webm') extension = 'webm'
else if (file.mimetype === 'video/mp4') extension = 'mp4'
else if (file.mimetype === 'video/ogg') extension = 'ogv'
utils.generateRandomString(16, function (err, randomString) {
const fieldname = err ? undefined : randomString
cb(null, fieldname + '.' + extension)
})
}
})
const reqFiles = multer({ storage: storage }).fields([{ name: 'videofile', maxCount: 1 }])
router.get('/',
validatorsPagination.pagination,
validatorsSort.videosSort,
sort.setVideosSort,
pagination.setPagination,
listVideos
)
router.post('/',
oAuth.authenticate,
reqFiles,
validatorsVideos.videosAdd,
addVideo
)
router.get('/:id',
validatorsVideos.videosGet,
getVideo
)
router.delete('/:id',
oAuth.authenticate,
validatorsVideos.videosRemove,
removeVideo
)
router.get('/search/:value',
validatorsVideos.videosSearch,
validatorsPagination.pagination,
validatorsSort.videosSort,
sort.setVideosSort,
pagination.setPagination,
search.setVideosSearch,
searchVideos
)
// ---------------------------------------------------------------------------
module.exports = router
// ---------------------------------------------------------------------------
function addVideo (req, res, next) {
const videoFile = req.files.videofile[0]
const videoInfos = req.body
waterfall([
function insertIntoDB (callback) {
const videoData = {
name: videoInfos.name,
filename: videoFile.filename,
description: videoInfos.description,
author: res.locals.oauth.token.user.username,
duration: videoFile.duration,
tags: videoInfos.tags
}
const video = new Video(videoData)
video.save(function (err, video) {
// Assert there are only one argument sent to the next function (video)
return callback(err, video)
})
},
function sendToFriends (video, callback) {
video.toRemoteJSON(function (err, remoteVideo) {
if (err) return callback(err)
// Now we'll add the video's meta data to our friends
friends.addVideoToFriends(remoteVideo)
return callback(null)
})
}
], function andFinally (err) {
if (err) {
logger.error('Cannot insert the video.')
return next(err)
}
// TODO : include Location of the new video -> 201
return res.type('json').status(204).end()
})
}
function getVideo (req, res, next) {
Video.load(req.params.id, function (err, video) {
if (err) return next(err)
if (!video) {
return res.type('json').status(204).end()
}
res.json(video.toFormatedJSON())
})
}
function listVideos (req, res, next) {
Video.listForApi(req.query.start, req.query.count, req.query.sort, function (err, videosList, videosTotal) {
if (err) return next(err)
res.json(getFormatedVideos(videosList, videosTotal))
})
}
function removeVideo (req, res, next) {
const videoId = req.params.id
waterfall([
function getVideo (callback) {
Video.load(videoId, callback)
},
function removeFromDB (video, callback) {
video.remove(function (err) {
if (err) return callback(err)
return callback(null, video)
})
},
function sendInformationToFriends (video, callback) {
const params = {
name: video.name,
magnetUri: video.magnetUri
}
friends.removeVideoToFriends(params)
return callback(null)
}
], function andFinally (err) {
if (err) {
logger.error('Errors when removed the video.', { error: err })
return next(err)
}
return res.type('json').status(204).end()
})
}
function searchVideos (req, res, next) {
Video.search(req.params.value, req.query.field, req.query.start, req.query.count, req.query.sort,
function (err, videosList, videosTotal) {
if (err) return next(err)
res.json(getFormatedVideos(videosList, videosTotal))
})
}
// ---------------------------------------------------------------------------
function getFormatedVideos (videos, videosTotal) {
const formatedVideos = []
videos.forEach(function (video) {
formatedVideos.push(video.toFormatedJSON())
})
return {
total: videosTotal,
data: formatedVideos
}
}
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