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1 | 'use strict' | |
2 | ||
3 | const express = require('express') | |
4 | const mongoose = require('mongoose') | |
5 | const multer = require('multer') | |
6 | const waterfall = require('async/waterfall') | |
7 | ||
8 | const constants = require('../../initializers/constants') | |
9 | const logger = require('../../helpers/logger') | |
10 | const friends = require('../../lib/friends') | |
11 | const middlewares = require('../../middlewares') | |
12 | const oAuth = middlewares.oauth | |
13 | const pagination = middlewares.pagination | |
14 | const validators = middlewares.validators | |
15 | const validatorsPagination = validators.pagination | |
16 | const validatorsSort = validators.sort | |
17 | const validatorsVideos = validators.videos | |
18 | const search = middlewares.search | |
19 | const sort = middlewares.sort | |
20 | const utils = require('../../helpers/utils') | |
21 | ||
22 | const router = express.Router() | |
23 | const Video = mongoose.model('Video') | |
24 | ||
25 | // multer configuration | |
26 | const storage = multer.diskStorage({ | |
27 | destination: function (req, file, cb) { | |
28 | cb(null, constants.CONFIG.STORAGE.VIDEOS_DIR) | |
29 | }, | |
30 | ||
31 | filename: function (req, file, cb) { | |
32 | let extension = '' | |
33 | if (file.mimetype === 'video/webm') extension = 'webm' | |
34 | else if (file.mimetype === 'video/mp4') extension = 'mp4' | |
35 | else if (file.mimetype === 'video/ogg') extension = 'ogv' | |
36 | utils.generateRandomString(16, function (err, randomString) { | |
37 | const fieldname = err ? undefined : randomString | |
38 | cb(null, fieldname + '.' + extension) | |
39 | }) | |
40 | } | |
41 | }) | |
42 | ||
43 | const reqFiles = multer({ storage: storage }).fields([{ name: 'videofile', maxCount: 1 }]) | |
44 | ||
45 | router.get('/', | |
46 | validatorsPagination.pagination, | |
47 | validatorsSort.videosSort, | |
48 | sort.setVideosSort, | |
49 | pagination.setPagination, | |
50 | listVideos | |
51 | ) | |
52 | router.post('/', | |
53 | oAuth.authenticate, | |
54 | reqFiles, | |
55 | validatorsVideos.videosAdd, | |
56 | addVideo | |
57 | ) | |
58 | router.get('/:id', | |
59 | validatorsVideos.videosGet, | |
60 | getVideo | |
61 | ) | |
62 | router.delete('/:id', | |
63 | oAuth.authenticate, | |
64 | validatorsVideos.videosRemove, | |
65 | removeVideo | |
66 | ) | |
67 | router.get('/search/:value', | |
68 | validatorsVideos.videosSearch, | |
69 | validatorsPagination.pagination, | |
70 | validatorsSort.videosSort, | |
71 | sort.setVideosSort, | |
72 | pagination.setPagination, | |
73 | search.setVideosSearch, | |
74 | searchVideos | |
75 | ) | |
76 | ||
77 | // --------------------------------------------------------------------------- | |
78 | ||
79 | module.exports = router | |
80 | ||
81 | // --------------------------------------------------------------------------- | |
82 | ||
83 | function addVideo (req, res, next) { | |
84 | const videoFile = req.files.videofile[0] | |
85 | const videoInfos = req.body | |
86 | ||
87 | waterfall([ | |
88 | ||
89 | function insertIntoDB (callback) { | |
90 | const videoData = { | |
91 | name: videoInfos.name, | |
92 | filename: videoFile.filename, | |
93 | description: videoInfos.description, | |
94 | author: res.locals.oauth.token.user.username, | |
95 | duration: videoFile.duration, | |
96 | tags: videoInfos.tags | |
97 | } | |
98 | ||
99 | const video = new Video(videoData) | |
100 | video.save(function (err, video) { | |
101 | // Assert there are only one argument sent to the next function (video) | |
102 | return callback(err, video) | |
103 | }) | |
104 | }, | |
105 | ||
106 | function sendToFriends (video, callback) { | |
107 | video.toRemoteJSON(function (err, remoteVideo) { | |
108 | if (err) return callback(err) | |
109 | ||
110 | // Now we'll add the video's meta data to our friends | |
111 | friends.addVideoToFriends(remoteVideo) | |
112 | ||
113 | return callback(null) | |
114 | }) | |
115 | } | |
116 | ||
117 | ], function andFinally (err) { | |
118 | if (err) { | |
119 | logger.error('Cannot insert the video.') | |
120 | return next(err) | |
121 | } | |
122 | ||
123 | // TODO : include Location of the new video -> 201 | |
124 | return res.type('json').status(204).end() | |
125 | }) | |
126 | } | |
127 | ||
128 | function getVideo (req, res, next) { | |
129 | Video.load(req.params.id, function (err, video) { | |
130 | if (err) return next(err) | |
131 | ||
132 | if (!video) { | |
133 | return res.type('json').status(204).end() | |
134 | } | |
135 | ||
136 | res.json(video.toFormatedJSON()) | |
137 | }) | |
138 | } | |
139 | ||
140 | function listVideos (req, res, next) { | |
141 | Video.listForApi(req.query.start, req.query.count, req.query.sort, function (err, videosList, videosTotal) { | |
142 | if (err) return next(err) | |
143 | ||
144 | res.json(getFormatedVideos(videosList, videosTotal)) | |
145 | }) | |
146 | } | |
147 | ||
148 | function removeVideo (req, res, next) { | |
149 | const videoId = req.params.id | |
150 | ||
151 | waterfall([ | |
152 | function getVideo (callback) { | |
153 | Video.load(videoId, callback) | |
154 | }, | |
155 | ||
156 | function removeFromDB (video, callback) { | |
157 | video.remove(function (err) { | |
158 | if (err) return callback(err) | |
159 | ||
160 | return callback(null, video) | |
161 | }) | |
162 | }, | |
163 | ||
164 | function sendInformationToFriends (video, callback) { | |
165 | const params = { | |
166 | name: video.name, | |
167 | magnetUri: video.magnetUri | |
168 | } | |
169 | ||
170 | friends.removeVideoToFriends(params) | |
171 | ||
172 | return callback(null) | |
173 | } | |
174 | ], function andFinally (err) { | |
175 | if (err) { | |
176 | logger.error('Errors when removed the video.', { error: err }) | |
177 | return next(err) | |
178 | } | |
179 | ||
180 | return res.type('json').status(204).end() | |
181 | }) | |
182 | } | |
183 | ||
184 | function searchVideos (req, res, next) { | |
185 | Video.search(req.params.value, req.query.field, req.query.start, req.query.count, req.query.sort, | |
186 | function (err, videosList, videosTotal) { | |
187 | if (err) return next(err) | |
188 | ||
189 | res.json(getFormatedVideos(videosList, videosTotal)) | |
190 | }) | |
191 | } | |
192 | ||
193 | // --------------------------------------------------------------------------- | |
194 | ||
195 | function getFormatedVideos (videos, videosTotal) { | |
196 | const formatedVideos = [] | |
197 | ||
198 | videos.forEach(function (video) { | |
199 | formatedVideos.push(video.toFormatedJSON()) | |
200 | }) | |
201 | ||
202 | return { | |
203 | total: videosTotal, | |
204 | data: formatedVideos | |
205 | } | |
206 | } |