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aaf61f38 C |
1 | 'use strict' |
2 | ||
052937db | 3 | const createTorrent = require('create-torrent') |
aaf61f38 C |
4 | const ffmpeg = require('fluent-ffmpeg') |
5 | const fs = require('fs') | |
1a42c9e2 | 6 | const parallel = require('async/parallel') |
052937db | 7 | const parseTorrent = require('parse-torrent') |
aaf61f38 | 8 | const pathUtils = require('path') |
052937db | 9 | const magnet = require('magnet-uri') |
aaf61f38 C |
10 | const mongoose = require('mongoose') |
11 | ||
12 | const constants = require('../initializers/constants') | |
e4c55619 | 13 | const customVideosValidators = require('../helpers/custom-validators').videos |
aaf61f38 | 14 | const logger = require('../helpers/logger') |
0ff21c1c | 15 | const modelUtils = require('./utils') |
aaf61f38 | 16 | const utils = require('../helpers/utils') |
aaf61f38 | 17 | |
aaf61f38 C |
18 | // --------------------------------------------------------------------------- |
19 | ||
20 | // TODO: add indexes on searchable columns | |
21 | const VideoSchema = mongoose.Schema({ | |
22 | name: String, | |
5189d08a | 23 | filename: String, |
aaf61f38 C |
24 | description: String, |
25 | magnetUri: String, | |
26 | podUrl: String, | |
27 | author: String, | |
28 | duration: Number, | |
29 | thumbnail: String, | |
30 | tags: [ String ], | |
31 | createdDate: { | |
32 | type: Date, | |
33 | default: Date.now | |
34 | } | |
35 | }) | |
36 | ||
e4c55619 C |
37 | VideoSchema.path('name').validate(customVideosValidators.isVideoNameValid) |
38 | VideoSchema.path('description').validate(customVideosValidators.isVideoDescriptionValid) | |
39 | VideoSchema.path('magnetUri').validate(customVideosValidators.isVideoMagnetUriValid) | |
40 | VideoSchema.path('podUrl').validate(customVideosValidators.isVideoPodUrlValid) | |
41 | VideoSchema.path('author').validate(customVideosValidators.isVideoAuthorValid) | |
42 | VideoSchema.path('duration').validate(customVideosValidators.isVideoDurationValid) | |
aaf61f38 C |
43 | // The tumbnail can be the path or the data in base 64 |
44 | // The pre save hook will convert the base 64 data in a file on disk and replace the thumbnail key by the filename | |
45 | VideoSchema.path('thumbnail').validate(function (value) { | |
e4c55619 | 46 | return customVideosValidators.isVideoThumbnailValid(value) || customVideosValidators.isVideoThumbnail64Valid(value) |
aaf61f38 | 47 | }) |
e4c55619 | 48 | VideoSchema.path('tags').validate(customVideosValidators.isVideoTagsValid) |
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49 | |
50 | VideoSchema.methods = { | |
c4403b29 C |
51 | isOwned, |
52 | toFormatedJSON, | |
53 | toRemoteJSON | |
aaf61f38 C |
54 | } |
55 | ||
56 | VideoSchema.statics = { | |
c4403b29 C |
57 | getDurationFromFile, |
58 | listForApi, | |
59 | listByUrlAndMagnet, | |
80a6c9e7 | 60 | listByUrl, |
c4403b29 C |
61 | listOwned, |
62 | listOwnedByAuthor, | |
63 | listRemotes, | |
64 | load, | |
a6375e69 | 65 | search |
aaf61f38 C |
66 | } |
67 | ||
68 | VideoSchema.pre('remove', function (next) { | |
69 | const video = this | |
70 | const tasks = [] | |
71 | ||
72 | tasks.push( | |
73 | function (callback) { | |
74 | removeThumbnail(video, callback) | |
75 | } | |
76 | ) | |
77 | ||
78 | if (video.isOwned()) { | |
79 | tasks.push( | |
80 | function (callback) { | |
81 | removeFile(video, callback) | |
82 | }, | |
83 | function (callback) { | |
84 | removeTorrent(video, callback) | |
85 | } | |
86 | ) | |
87 | } | |
88 | ||
1a42c9e2 | 89 | parallel(tasks, next) |
aaf61f38 C |
90 | }) |
91 | ||
92 | VideoSchema.pre('save', function (next) { | |
93 | const video = this | |
94 | const tasks = [] | |
95 | ||
96 | if (video.isOwned()) { | |
e861452f C |
97 | const videoPath = pathUtils.join(constants.CONFIG.STORAGE.UPLOAD_DIR, video.filename) |
98 | this.podUrl = constants.CONFIG.WEBSERVER.URL | |
aaf61f38 C |
99 | |
100 | tasks.push( | |
052937db | 101 | // TODO: refractoring |
aaf61f38 | 102 | function (callback) { |
25cad919 C |
103 | const options = { |
104 | announceList: [ | |
105 | [ constants.CONFIG.WEBSERVER.WS + '://' + constants.CONFIG.WEBSERVER.HOST + ':' + constants.CONFIG.WEBSERVER.PORT + '/tracker/socket' ] | |
106 | ], | |
107 | urlList: [ | |
108 | constants.CONFIG.WEBSERVER.URL + constants.STATIC_PATHS.WEBSEED + video.filename | |
109 | ] | |
110 | } | |
111 | ||
112 | createTorrent(videoPath, options, function (err, torrent) { | |
052937db C |
113 | if (err) return callback(err) |
114 | ||
bf94b6f0 | 115 | fs.writeFile(constants.CONFIG.STORAGE.TORRENTS_DIR + video.filename + '.torrent', torrent, function (err) { |
052937db C |
116 | if (err) return callback(err) |
117 | ||
118 | const parsedTorrent = parseTorrent(torrent) | |
119 | parsedTorrent.xs = video.podUrl + constants.STATIC_PATHS.TORRENTS + video.filename + '.torrent' | |
120 | video.magnetUri = magnet.encode(parsedTorrent) | |
121 | ||
122 | callback(null) | |
123 | }) | |
124 | }) | |
aaf61f38 C |
125 | }, |
126 | function (callback) { | |
127 | createThumbnail(videoPath, callback) | |
128 | } | |
129 | ) | |
130 | ||
1a42c9e2 | 131 | parallel(tasks, function (err, results) { |
aaf61f38 C |
132 | if (err) return next(err) |
133 | ||
aaf61f38 C |
134 | video.thumbnail = results[1] |
135 | ||
136 | return next() | |
137 | }) | |
138 | } else { | |
139 | generateThumbnailFromBase64(video.thumbnail, function (err, thumbnailName) { | |
140 | if (err) return next(err) | |
141 | ||
142 | video.thumbnail = thumbnailName | |
143 | ||
144 | return next() | |
145 | }) | |
146 | } | |
147 | }) | |
148 | ||
149 | mongoose.model('Video', VideoSchema) | |
150 | ||
151 | // ------------------------------ METHODS ------------------------------ | |
152 | ||
153 | function isOwned () { | |
5189d08a | 154 | return this.filename !== null |
aaf61f38 C |
155 | } |
156 | ||
157 | function toFormatedJSON () { | |
158 | const json = { | |
159 | id: this._id, | |
160 | name: this.name, | |
161 | description: this.description, | |
162 | podUrl: this.podUrl.replace(/^https?:\/\//, ''), | |
163 | isLocal: this.isOwned(), | |
164 | magnetUri: this.magnetUri, | |
165 | author: this.author, | |
166 | duration: this.duration, | |
167 | tags: this.tags, | |
052937db | 168 | thumbnailPath: constants.STATIC_PATHS.THUMBNAILS + '/' + this.thumbnail, |
aaf61f38 C |
169 | createdDate: this.createdDate |
170 | } | |
171 | ||
172 | return json | |
173 | } | |
174 | ||
175 | function toRemoteJSON (callback) { | |
176 | const self = this | |
177 | ||
178 | // Convert thumbnail to base64 | |
e861452f | 179 | fs.readFile(pathUtils.join(constants.CONFIG.STORAGE.THUMBNAILS_DIR, this.thumbnail), function (err, thumbnailData) { |
aaf61f38 C |
180 | if (err) { |
181 | logger.error('Cannot read the thumbnail of the video') | |
182 | return callback(err) | |
183 | } | |
184 | ||
185 | const remoteVideo = { | |
186 | name: self.name, | |
187 | description: self.description, | |
188 | magnetUri: self.magnetUri, | |
5189d08a | 189 | filename: null, |
aaf61f38 C |
190 | author: self.author, |
191 | duration: self.duration, | |
192 | thumbnailBase64: new Buffer(thumbnailData).toString('base64'), | |
193 | tags: self.tags, | |
194 | createdDate: self.createdDate, | |
195 | podUrl: self.podUrl | |
196 | } | |
197 | ||
198 | return callback(null, remoteVideo) | |
199 | }) | |
200 | } | |
201 | ||
202 | // ------------------------------ STATICS ------------------------------ | |
203 | ||
204 | function getDurationFromFile (videoPath, callback) { | |
205 | ffmpeg.ffprobe(videoPath, function (err, metadata) { | |
206 | if (err) return callback(err) | |
207 | ||
208 | return callback(null, Math.floor(metadata.format.duration)) | |
209 | }) | |
210 | } | |
211 | ||
0ff21c1c | 212 | function listForApi (start, count, sort, callback) { |
aaf61f38 | 213 | const query = {} |
5c39adb7 | 214 | return modelUtils.listForApiWithCount.call(this, query, start, count, sort, callback) |
aaf61f38 C |
215 | } |
216 | ||
217 | function listByUrlAndMagnet (fromUrl, magnetUri, callback) { | |
218 | this.find({ podUrl: fromUrl, magnetUri: magnetUri }, callback) | |
219 | } | |
220 | ||
80a6c9e7 C |
221 | function listByUrl (fromUrl, callback) { |
222 | this.find({ podUrl: fromUrl }, callback) | |
aaf61f38 C |
223 | } |
224 | ||
225 | function listOwned (callback) { | |
5189d08a C |
226 | // If filename is not null this is *our* video |
227 | this.find({ filename: { $ne: null } }, callback) | |
aaf61f38 C |
228 | } |
229 | ||
9bd26629 C |
230 | function listOwnedByAuthor (author, callback) { |
231 | this.find({ filename: { $ne: null }, author: author }, callback) | |
232 | } | |
233 | ||
aaf61f38 | 234 | function listRemotes (callback) { |
5189d08a | 235 | this.find({ filename: null }, callback) |
aaf61f38 C |
236 | } |
237 | ||
238 | function load (id, callback) { | |
239 | this.findById(id, callback) | |
240 | } | |
241 | ||
242 | function search (value, field, start, count, sort, callback) { | |
243 | const query = {} | |
244 | // Make an exact search with the magnet | |
245 | if (field === 'magnetUri' || field === 'tags') { | |
246 | query[field] = value | |
247 | } else { | |
248 | query[field] = new RegExp(value) | |
249 | } | |
250 | ||
5c39adb7 | 251 | modelUtils.listForApiWithCount.call(this, query, start, count, sort, callback) |
aaf61f38 C |
252 | } |
253 | ||
aaf61f38 C |
254 | // --------------------------------------------------------------------------- |
255 | ||
aaf61f38 | 256 | function removeThumbnail (video, callback) { |
e861452f | 257 | fs.unlink(constants.CONFIG.STORAGE.THUMBNAILS_DIR + video.thumbnail, callback) |
aaf61f38 C |
258 | } |
259 | ||
260 | function removeFile (video, callback) { | |
e861452f | 261 | fs.unlink(constants.CONFIG.STORAGE.UPLOAD_DIR + video.filename, callback) |
aaf61f38 C |
262 | } |
263 | ||
264 | // Maybe the torrent is not seeded, but we catch the error to don't stop the removing process | |
265 | function removeTorrent (video, callback) { | |
bf94b6f0 | 266 | fs.unlink(constants.CONFIG.STORAGE.TORRENTS_DIR + video.filename + '.torrent', callback) |
aaf61f38 C |
267 | } |
268 | ||
269 | function createThumbnail (videoPath, callback) { | |
270 | const filename = pathUtils.basename(videoPath) + '.jpg' | |
271 | ffmpeg(videoPath) | |
272 | .on('error', callback) | |
273 | .on('end', function () { | |
274 | callback(null, filename) | |
275 | }) | |
276 | .thumbnail({ | |
277 | count: 1, | |
e861452f | 278 | folder: constants.CONFIG.STORAGE.THUMBNAILS_DIR, |
aaf61f38 C |
279 | size: constants.THUMBNAILS_SIZE, |
280 | filename: filename | |
281 | }) | |
282 | } | |
283 | ||
aaf61f38 C |
284 | function generateThumbnailFromBase64 (data, callback) { |
285 | // Creating the thumbnail for this remote video | |
286 | utils.generateRandomString(16, function (err, randomString) { | |
287 | if (err) return callback(err) | |
288 | ||
289 | const thumbnailName = randomString + '.jpg' | |
e861452f | 290 | fs.writeFile(constants.CONFIG.STORAGE.THUMBNAILS_DIR + thumbnailName, data, { encoding: 'base64' }, function (err) { |
aaf61f38 C |
291 | if (err) return callback(err) |
292 | ||
293 | return callback(null, thumbnailName) | |
294 | }) | |
295 | }) | |
296 | } |