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1 | import * as express from 'express' |
2 | ||
3 | import { database as db } from '../../../initializers' | |
4 | import { | |
5 | logger, | |
6 | getFormattedObjects, | |
7 | retryTransactionWrapper | |
8 | } from '../../../helpers' | |
9 | import { | |
10 | authenticate, | |
11 | paginationValidator, | |
12 | videoChannelsSortValidator, | |
13 | videoChannelsAddValidator, | |
14 | setVideoChannelsSort, | |
15 | setPagination, | |
16 | videoChannelsRemoveValidator, | |
17 | videoChannelGetValidator, | |
18 | videoChannelsUpdateValidator, | |
19 | listVideoAuthorChannelsValidator | |
20 | } from '../../../middlewares' | |
21 | import { | |
22 | createVideoChannel, | |
23 | updateVideoChannelToFriends | |
24 | } from '../../../lib' | |
25 | import { VideoChannelInstance, AuthorInstance } from '../../../models' | |
26 | import { VideoChannelCreate, VideoChannelUpdate } from '../../../../shared' | |
27 | ||
28 | const videoChannelRouter = express.Router() | |
29 | ||
30 | videoChannelRouter.get('/channels', | |
31 | paginationValidator, | |
32 | videoChannelsSortValidator, | |
33 | setVideoChannelsSort, | |
34 | setPagination, | |
35 | listVideoChannels | |
36 | ) | |
37 | ||
38 | videoChannelRouter.get('/authors/:authorId/channels', | |
39 | listVideoAuthorChannelsValidator, | |
40 | listVideoAuthorChannels | |
41 | ) | |
42 | ||
43 | videoChannelRouter.post('/channels', | |
44 | authenticate, | |
45 | videoChannelsAddValidator, | |
46 | addVideoChannelRetryWrapper | |
47 | ) | |
48 | ||
49 | videoChannelRouter.put('/channels/:id', | |
50 | authenticate, | |
51 | videoChannelsUpdateValidator, | |
52 | updateVideoChannelRetryWrapper | |
53 | ) | |
54 | ||
55 | videoChannelRouter.delete('/channels/:id', | |
56 | authenticate, | |
57 | videoChannelsRemoveValidator, | |
58 | removeVideoChannelRetryWrapper | |
59 | ) | |
60 | ||
61 | videoChannelRouter.get('/channels/:id', | |
62 | videoChannelGetValidator, | |
63 | getVideoChannel | |
64 | ) | |
65 | ||
66 | // --------------------------------------------------------------------------- | |
67 | ||
68 | export { | |
69 | videoChannelRouter | |
70 | } | |
71 | ||
72 | // --------------------------------------------------------------------------- | |
73 | ||
74 | function listVideoChannels (req: express.Request, res: express.Response, next: express.NextFunction) { | |
75 | db.VideoChannel.listForApi(req.query.start, req.query.count, req.query.sort) | |
76 | .then(result => res.json(getFormattedObjects(result.data, result.total))) | |
77 | .catch(err => next(err)) | |
78 | } | |
79 | ||
80 | function listVideoAuthorChannels (req: express.Request, res: express.Response, next: express.NextFunction) { | |
81 | db.VideoChannel.listByAuthor(res.locals.author.id) | |
82 | .then(result => res.json(getFormattedObjects(result.data, result.total))) | |
83 | .catch(err => next(err)) | |
84 | } | |
85 | ||
86 | // Wrapper to video channel add that retry the function if there is a database error | |
87 | // We need this because we run the transaction in SERIALIZABLE isolation that can fail | |
88 | function addVideoChannelRetryWrapper (req: express.Request, res: express.Response, next: express.NextFunction) { | |
89 | const options = { | |
90 | arguments: [ req, res ], | |
91 | errorMessage: 'Cannot insert the video video channel with many retries.' | |
92 | } | |
93 | ||
94 | retryTransactionWrapper(addVideoChannel, options) | |
95 | .then(() => { | |
96 | // TODO : include Location of the new video channel -> 201 | |
97 | res.type('json').status(204).end() | |
98 | }) | |
99 | .catch(err => next(err)) | |
100 | } | |
101 | ||
102 | function addVideoChannel (req: express.Request, res: express.Response) { | |
103 | const videoChannelInfo: VideoChannelCreate = req.body | |
104 | const author: AuthorInstance = res.locals.oauth.token.User.Author | |
105 | ||
106 | return db.sequelize.transaction(t => { | |
107 | return createVideoChannel(videoChannelInfo, author, t) | |
108 | }) | |
109 | .then(videoChannelUUID => logger.info('Video channel with uuid %s created.', videoChannelUUID)) | |
110 | .catch((err: Error) => { | |
111 | logger.debug('Cannot insert the video channel.', err) | |
112 | throw err | |
113 | }) | |
114 | } | |
115 | ||
116 | function updateVideoChannelRetryWrapper (req: express.Request, res: express.Response, next: express.NextFunction) { | |
117 | const options = { | |
118 | arguments: [ req, res ], | |
119 | errorMessage: 'Cannot update the video with many retries.' | |
120 | } | |
121 | ||
122 | retryTransactionWrapper(updateVideoChannel, options) | |
123 | .then(() => res.type('json').status(204).end()) | |
124 | .catch(err => next(err)) | |
125 | } | |
126 | ||
127 | function updateVideoChannel (req: express.Request, res: express.Response) { | |
128 | const videoChannelInstance: VideoChannelInstance = res.locals.videoChannel | |
129 | const videoChannelFieldsSave = videoChannelInstance.toJSON() | |
130 | const videoChannelInfoToUpdate: VideoChannelUpdate = req.body | |
131 | ||
132 | return db.sequelize.transaction(t => { | |
133 | const options = { | |
134 | transaction: t | |
135 | } | |
136 | ||
137 | if (videoChannelInfoToUpdate.name !== undefined) videoChannelInstance.set('name', videoChannelInfoToUpdate.name) | |
138 | if (videoChannelInfoToUpdate.description !== undefined) videoChannelInstance.set('description', videoChannelInfoToUpdate.description) | |
139 | ||
140 | return videoChannelInstance.save(options) | |
141 | .then(() => { | |
142 | const json = videoChannelInstance.toUpdateRemoteJSON() | |
143 | ||
144 | // Now we'll update the video channel's meta data to our friends | |
145 | return updateVideoChannelToFriends(json, t) | |
146 | }) | |
147 | }) | |
148 | .then(() => { | |
149 | logger.info('Video channel with name %s and uuid %s updated.', videoChannelInstance.name, videoChannelInstance.uuid) | |
150 | }) | |
151 | .catch(err => { | |
152 | logger.debug('Cannot update the video channel.', err) | |
153 | ||
154 | // Force fields we want to update | |
155 | // If the transaction is retried, sequelize will think the object has not changed | |
156 | // So it will skip the SQL request, even if the last one was ROLLBACKed! | |
157 | Object.keys(videoChannelFieldsSave).forEach(key => { | |
158 | const value = videoChannelFieldsSave[key] | |
159 | videoChannelInstance.set(key, value) | |
160 | }) | |
161 | ||
162 | throw err | |
163 | }) | |
164 | } | |
165 | ||
166 | function removeVideoChannelRetryWrapper (req: express.Request, res: express.Response, next: express.NextFunction) { | |
167 | const options = { | |
168 | arguments: [ req, res ], | |
169 | errorMessage: 'Cannot remove the video channel with many retries.' | |
170 | } | |
171 | ||
172 | retryTransactionWrapper(removeVideoChannel, options) | |
173 | .then(() => res.type('json').status(204).end()) | |
174 | .catch(err => next(err)) | |
175 | } | |
176 | ||
177 | function removeVideoChannel (req: express.Request, res: express.Response) { | |
178 | const videoChannelInstance: VideoChannelInstance = res.locals.videoChannel | |
179 | ||
180 | return db.sequelize.transaction(t => { | |
181 | return videoChannelInstance.destroy({ transaction: t }) | |
182 | }) | |
183 | .then(() => { | |
184 | logger.info('Video channel with name %s and uuid %s deleted.', videoChannelInstance.name, videoChannelInstance.uuid) | |
185 | }) | |
186 | .catch(err => { | |
187 | logger.error('Errors when removed the video channel.', err) | |
188 | throw err | |
189 | }) | |
190 | } | |
191 | ||
192 | function getVideoChannel (req: express.Request, res: express.Response, next: express.NextFunction) { | |
193 | db.VideoChannel.loadAndPopulateAuthorAndVideos(res.locals.videoChannel.id) | |
194 | .then(videoChannelWithVideos => res.json(videoChannelWithVideos.toFormattedJSON())) | |
195 | .catch(err => next(err)) | |
196 | } |