WIP: store and get relation between rooms and channels (refactoring)

server/lib/configuration/channel/init.ts

@@ -0,0 +1,55 @@
+import type { RegisterServerOptions, MVideoFullLight, VideoChannel } from '@peertube/peertube-types'
+import { RoomChannel } from '../../room-channel'
+
+/**
+ * Register stuffs related to channel configuration
+ */
+async function initChannelConfiguration (options: RegisterServerOptions): Promise<void> {
+  const logger = options.peertubeHelpers.logger
+  const registerHook = options.registerHook
+  logger.info('Registring room-channel hooks...')
+
+  registerHook({
+    target: 'action:api.video.deleted',
+    handler: async (params: { video: MVideoFullLight }) => {
+      // When a video is deleted, we can delete the channel2room and room2channel files.
+      // Note: don't need to check if there is a chat for this video, just deleting existing files...
+      const video = params.video
+      logger.info(`Video ${video.uuid} deleted, removing 'channel configuration' related stuff.`)
+      // Here the associated channel can be either channel.X@mucdomain or video_uuid@mucdomain.
+      // In first case, nothing to do... in the second, we must delete.
+      // So we don't need to check which case is effective, just delete video_uuid@mucdomain.
+      try {
+        RoomChannel.singleton().removeRoom(video.uuid)
+      } catch (err) {
+        logger.error(err)
+      }
+
+      // Note: we don't delete the room. So that admins can check logs afterward, if any doubts.
+    }
+  })
+
+  registerHook({
+    target: 'action:api.video-channel.deleted',
+    handler: async (params: { channel: VideoChannel }) => {
+      // When a video is deleted, we can delete the channel2room and room2channel files.
+      // Note: don't need to check if there is a chat for this video, just deleting existing files...
+      const channelId = params.channel.id
+      logger.info(`Channel ${channelId} deleted, removing 'channel configuration' related stuff.`)
+      // Here the associated channel can be either channel.X@mucdomain or video_uuid@mucdomain.
+      // In first case, nothing to do... in the second, we must delete.
+      // So we don't need to check which case is effective, just delete video_uuid@mucdomain.
+      try {
+        RoomChannel.singleton().removeChannel(channelId)
+      } catch (err) {
+        logger.error(err)
+      }
+
+      // Note: we don't delete the room. So that admins can check logs afterward, if any doubts.
+    }
+  })
+}
+
+export {
+  initChannelConfiguration
+}