Add video channels

2 files changed, 217 insertions, 27 deletions

diff --git a/server/controllers/api/videos/channel.ts b/server/controllers/api/videos/channel.ts
new file mode 100644
index 000000000..630fc4f53
--- /dev/null
+++ b/server/controllers/api/videos/channel.ts
@@ -0,0 +1,196 @@
+import * as express from 'express'
+
+import { database as db } from '../../../initializers'
+import {
+  logger,
+  getFormattedObjects,
+  retryTransactionWrapper
+} from '../../../helpers'
+import {
+  authenticate,
+  paginationValidator,
+  videoChannelsSortValidator,
+  videoChannelsAddValidator,
+  setVideoChannelsSort,
+  setPagination,
+  videoChannelsRemoveValidator,
+  videoChannelGetValidator,
+  videoChannelsUpdateValidator,
+  listVideoAuthorChannelsValidator
+} from '../../../middlewares'
+import {
+  createVideoChannel,
+  updateVideoChannelToFriends
+} from '../../../lib'
+import { VideoChannelInstance, AuthorInstance } from '../../../models'
+import { VideoChannelCreate, VideoChannelUpdate } from '../../../../shared'
+
+const videoChannelRouter = express.Router()
+
+videoChannelRouter.get('/channels',
+  paginationValidator,
+  videoChannelsSortValidator,
+  setVideoChannelsSort,
+  setPagination,
+  listVideoChannels
+)
+
+videoChannelRouter.get('/authors/:authorId/channels',
+  listVideoAuthorChannelsValidator,
+  listVideoAuthorChannels
+)
+
+videoChannelRouter.post('/channels',
+  authenticate,
+  videoChannelsAddValidator,
+  addVideoChannelRetryWrapper
+)
+
+videoChannelRouter.put('/channels/:id',
+  authenticate,
+  videoChannelsUpdateValidator,
+  updateVideoChannelRetryWrapper
+)
+
+videoChannelRouter.delete('/channels/:id',
+  authenticate,
+  videoChannelsRemoveValidator,
+  removeVideoChannelRetryWrapper
+)
+
+videoChannelRouter.get('/channels/:id',
+  videoChannelGetValidator,
+  getVideoChannel
+)
+
+// ---------------------------------------------------------------------------
+
+export {
+  videoChannelRouter
+}
+
+// ---------------------------------------------------------------------------
+
+function listVideoChannels (req: express.Request, res: express.Response, next: express.NextFunction) {
+  db.VideoChannel.listForApi(req.query.start, req.query.count, req.query.sort)
+    .then(result => res.json(getFormattedObjects(result.data, result.total)))
+    .catch(err => next(err))
+}
+
+function listVideoAuthorChannels (req: express.Request, res: express.Response, next: express.NextFunction) {
+  db.VideoChannel.listByAuthor(res.locals.author.id)
+    .then(result => res.json(getFormattedObjects(result.data, result.total)))
+    .catch(err => next(err))
+}
+
+// Wrapper to video channel add that retry the function if there is a database error
+// We need this because we run the transaction in SERIALIZABLE isolation that can fail
+function addVideoChannelRetryWrapper (req: express.Request, res: express.Response, next: express.NextFunction) {
+  const options = {
+    arguments: [ req, res ],
+    errorMessage: 'Cannot insert the video video channel with many retries.'
+  }
+
+  retryTransactionWrapper(addVideoChannel, options)
+    .then(() => {
+      // TODO : include Location of the new video channel -> 201
+      res.type('json').status(204).end()
+    })
+    .catch(err => next(err))
+}
+
+function addVideoChannel (req: express.Request, res: express.Response) {
+  const videoChannelInfo: VideoChannelCreate = req.body
+  const author: AuthorInstance = res.locals.oauth.token.User.Author
+
+  return db.sequelize.transaction(t => {
+    return createVideoChannel(videoChannelInfo, author, t)
+  })
+  .then(videoChannelUUID => logger.info('Video channel with uuid %s created.', videoChannelUUID))
+  .catch((err: Error) => {
+    logger.debug('Cannot insert the video channel.', err)
+    throw err
+  })
+}
+
+function updateVideoChannelRetryWrapper (req: express.Request, res: express.Response, next: express.NextFunction) {
+  const options = {
+    arguments: [ req, res ],
+    errorMessage: 'Cannot update the video with many retries.'
+  }
+
+  retryTransactionWrapper(updateVideoChannel, options)
+    .then(() => res.type('json').status(204).end())
+    .catch(err => next(err))
+}
+
+function updateVideoChannel (req: express.Request, res: express.Response) {
+  const videoChannelInstance: VideoChannelInstance = res.locals.videoChannel
+  const videoChannelFieldsSave = videoChannelInstance.toJSON()
+  const videoChannelInfoToUpdate: VideoChannelUpdate = req.body
+
+  return db.sequelize.transaction(t => {
+    const options = {
+      transaction: t
+    }
+
+    if (videoChannelInfoToUpdate.name !== undefined) videoChannelInstance.set('name', videoChannelInfoToUpdate.name)
+    if (videoChannelInfoToUpdate.description !== undefined) videoChannelInstance.set('description', videoChannelInfoToUpdate.description)
+
+    return videoChannelInstance.save(options)
+      .then(() => {
+        const json = videoChannelInstance.toUpdateRemoteJSON()
+
+        // Now we'll update the video channel's meta data to our friends
+        return updateVideoChannelToFriends(json, t)
+      })
+  })
+    .then(() => {
+      logger.info('Video channel with name %s and uuid %s updated.', videoChannelInstance.name, videoChannelInstance.uuid)
+    })
+    .catch(err => {
+      logger.debug('Cannot update the video channel.', err)
+
+      // Force fields we want to update
+      // If the transaction is retried, sequelize will think the object has not changed
+      // So it will skip the SQL request, even if the last one was ROLLBACKed!
+      Object.keys(videoChannelFieldsSave).forEach(key => {
+        const value = videoChannelFieldsSave[key]
+        videoChannelInstance.set(key, value)
+      })
+
+      throw err
+    })
+}
+
+function removeVideoChannelRetryWrapper (req: express.Request, res: express.Response, next: express.NextFunction) {
+  const options = {
+    arguments: [ req, res ],
+    errorMessage: 'Cannot remove the video channel with many retries.'
+  }
+
+  retryTransactionWrapper(removeVideoChannel, options)
+    .then(() => res.type('json').status(204).end())
+    .catch(err => next(err))
+}
+
+function removeVideoChannel (req: express.Request, res: express.Response) {
+  const videoChannelInstance: VideoChannelInstance = res.locals.videoChannel
+
+  return db.sequelize.transaction(t => {
+    return videoChannelInstance.destroy({ transaction: t })
+  })
+  .then(() => {
+    logger.info('Video channel with name %s and uuid %s deleted.', videoChannelInstance.name, videoChannelInstance.uuid)
+  })
+  .catch(err => {
+    logger.error('Errors when removed the video channel.', err)
+    throw err
+  })
+}
+
+function getVideoChannel (req: express.Request, res: express.Response, next: express.NextFunction) {
+  db.VideoChannel.loadAndPopulateAuthorAndVideos(res.locals.videoChannel.id)
+    .then(videoChannelWithVideos => res.json(videoChannelWithVideos.toFormattedJSON()))
+    .catch(err => next(err))
+}
diff --git a/server/controllers/api/videos/index.ts b/server/controllers/api/videos/index.ts
index 2b7ead954..ec855ee8e 100644
--- a/server/controllers/api/videos/index.ts
+++ b/server/controllers/api/videos/index.ts
@@ -46,6 +46,7 @@ import { VideoCreate, VideoUpdate } from '../../../../shared'
 import { abuseVideoRouter } from './abuse'
 import { blacklistRouter } from './blacklist'
 import { rateVideoRouter } from './rate'
+import { videoChannelRouter } from './channel'
 
 const videosRouter = express.Router()
 
@@ -76,6 +77,7 @@ const reqFiles = multer({ storage: storage }).fields([{ name: 'videofile', maxCo
 videosRouter.use('/', abuseVideoRouter)
 videosRouter.use('/', blacklistRouter)
 videosRouter.use('/', rateVideoRouter)
+videosRouter.use('/', videoChannelRouter)
 
 videosRouter.get('/categories', listVideoCategories)
 videosRouter.get('/licences', listVideoLicences)
@@ -161,21 +163,13 @@ function addVideo (req: express.Request, res: express.Response, videoPhysicalFil
   let videoUUID = ''
 
   return db.sequelize.transaction(t => {
-    const user = res.locals.oauth.token.User
+    let p: Promise<TagInstance[]>
 
-    const name = user.username
-    // null because it is OUR pod
-    const podId = null
-    const userId = user.id
+    if (!videoInfo.tags) p = Promise.resolve(undefined)
+    else p = db.Tag.findOrCreateTags(videoInfo.tags, t)
 
-    return db.Author.findOrCreateAuthor(name, podId, userId, t)
-      .then(author => {
-        const tags = videoInfo.tags
-        if (!tags) return { author, tagInstances: undefined }
-
-        return db.Tag.findOrCreateTags(tags, t).then(tagInstances => ({ author, tagInstances }))
-      })
-      .then(({ author, tagInstances }) => {
+    return p
+      .then(tagInstances => {
         const videoData = {
           name: videoInfo.name,
           remote: false,
@@ -186,18 +180,18 @@ function addVideo (req: express.Request, res: express.Response, videoPhysicalFil
           nsfw: videoInfo.nsfw,
           description: videoInfo.description,
           duration: videoPhysicalFile['duration'], // duration was added by a previous middleware
-          authorId: author.id
+          channelId: res.locals.videoChannel.id
         }
 
         const video = db.Video.build(videoData)
-        return { author, tagInstances, video }
+        return { tagInstances, video }
       })
-      .then(({ author, tagInstances, video }) => {
+      .then(({ tagInstances, video }) => {
         const videoFilePath = join(CONFIG.STORAGE.VIDEOS_DIR, videoPhysicalFile.filename)
         return getVideoFileHeight(videoFilePath)
-          .then(height => ({ author, tagInstances, video, videoFileHeight: height }))
+          .then(height => ({ tagInstances, video, videoFileHeight: height }))
       })
-      .then(({ author, tagInstances, video, videoFileHeight }) => {
+      .then(({ tagInstances, video, videoFileHeight }) => {
         const videoFileData = {
           extname: extname(videoPhysicalFile.filename),
           resolution: videoFileHeight,
@@ -205,9 +199,9 @@ function addVideo (req: express.Request, res: express.Response, videoPhysicalFil
         }
 
         const videoFile = db.VideoFile.build(videoFileData)
-        return { author, tagInstances, video, videoFile }
+        return { tagInstances, video, videoFile }
       })
-      .then(({ author, tagInstances, video, videoFile }) => {
+      .then(({ tagInstances, video, videoFile }) => {
         const videoDir = CONFIG.STORAGE.VIDEOS_DIR
         const source = join(videoDir, videoPhysicalFile.filename)
         const destination = join(videoDir, video.getVideoFilename(videoFile))
@@ -216,10 +210,10 @@ function addVideo (req: express.Request, res: express.Response, videoPhysicalFil
           .then(() => {
             // This is important in case if there is another attempt in the retry process
             videoPhysicalFile.filename = video.getVideoFilename(videoFile)
-            return { author, tagInstances, video, videoFile }
+            return { tagInstances, video, videoFile }
           })
       })
-      .then(({ author, tagInstances, video, videoFile }) => {
+      .then(({ tagInstances, video, videoFile }) => {
         const tasks = []
 
         tasks.push(
@@ -239,15 +233,15 @@ function addVideo (req: express.Request, res: express.Response, videoPhysicalFil
           )
         }
 
-        return Promise.all(tasks).then(() => ({ author, tagInstances, video, videoFile }))
+        return Promise.all(tasks).then(() => ({ tagInstances, video, videoFile }))
       })
-      .then(({ author, tagInstances, video, videoFile }) => {
+      .then(({ tagInstances, video, videoFile }) => {
         const options = { transaction: t }
 
         return video.save(options)
           .then(videoCreated => {
-            // Do not forget to add Author information to the created video
-            videoCreated.Author = author
+            // Do not forget to add video channel information to the created video
+            videoCreated.VideoChannel = res.locals.videoChannel
             videoUUID = videoCreated.uuid
 
             return { tagInstances, video: videoCreated, videoFile }
@@ -392,7 +386,7 @@ function getVideo (req: express.Request, res: express.Response) {
   }
 
   // Do not wait the view system
-  res.json(videoInstance.toFormattedJSON())
+  res.json(videoInstance.toFormattedDetailsJSON())
 }
 
 function listVideos (req: express.Request, res: express.Response, next: express.NextFunction) {