New data model play media entity, PlaybackSessionManager

server/controllers/MediaEntityController.js

@@ -0,0 +1,71 @@
+const Logger = require('../Logger')
+
+class MediaEntityController {
+  constructor() { }
+
+  async findOne(req, res) {
+    if (req.query.expanded == 1) return res.json(req.mediaEntity.toJSONExpanded())
+    return res.json(req.mediaEntity)
+  }
+
+  async findWithItem(req, res) {
+    if (req.query.expanded == 1) {
+      return res.json({
+        libraryItem: req.libraryItem.toJSONExpanded(),
+        mediaEntity: req.mediaEntity.toJSONExpanded()
+      })
+    }
+    res.json({
+      libraryItem: req.libraryItem.toJSON(),
+      mediaEntity: req.mediaEntity.toJSON()
+    })
+  }
+
+  // PATCH: api/entities/:id/tracks
+  async updateTracks(req, res) {
+    var libraryItem = req.libraryItem
+    var mediaEntity = req.mediaEntity
+    var orderedFileData = req.body.orderedFileData
+    if (!mediaEntity.updateAudioTracks) {
+      Logger.error(`[MediaEntityController] updateTracks invalid media entity ${mediaEntity.id}`)
+      return res.sendStatus(500)
+    }
+    mediaEntity.updateAudioTracks(orderedFileData)
+    await this.db.updateLibraryItem(libraryItem)
+    this.emitter('item_updated', libraryItem.toJSONExpanded())
+    res.json(libraryItem.toJSON())
+  }
+
+  // POST: api/entities/:id/play
+  startPlaybackSession(req, res) {
+    if (!req.mediaEntity.isPlaybackMediaEntity) {
+      Logger.error(`[MediaEntityController] startPlaybackSession invalid media entity ${req.mediaEntity.id}`)
+      return res.sendStatus(500)
+    }
+    const options = req.body || {}
+    this.playbackSessionManager.startSessionRequest(req.user, req.libraryItem, req.mediaEntity, options, res)
+  }
+
+  middleware(req, res, next) {
+    var mediaEntity = null
+    var libraryItem = this.db.libraryItems.find(li => {
+      if (li.mediaType != 'book') return false
+      mediaEntity = li.media.getMediaEntityById(req.params.id)
+      return !!mediaEntity
+    })
+    if (!mediaEntity) return res.sendStatus(404)
+
+    if (req.method == 'DELETE' && !req.user.canDelete) {
+      Logger.warn(`[MediaEntityController] User attempted to delete without permission`, req.user)
+      return res.sendStatus(403)
+    } else if ((req.method == 'PATCH' || req.method == 'POST') && !req.user.canUpdate) {
+      Logger.warn('[MediaEntityController] User attempted to update without permission', req.user)
+      return res.sendStatus(403)
+    }
+
+    req.mediaEntity = mediaEntity
+    req.libraryItem = libraryItem
+    next()
+  }
+}
+module.exports = new MediaEntityController()