1 files changed, 82 insertions, 0 deletions

diff --git a/server/lib/paths.ts b/server/lib/paths.ts
new file mode 100644
index 000000000..434e637c6
--- /dev/null
+++ b/server/lib/paths.ts
@@ -0,0 +1,82 @@
+import { join } from 'path'
+import { buildUUID } from '@server/helpers/uuid'
+import { CONFIG } from '@server/initializers/config'
+import { HLS_REDUNDANCY_DIRECTORY, HLS_STREAMING_PLAYLIST_DIRECTORY } from '@server/initializers/constants'
+import { isStreamingPlaylist, MStreamingPlaylistVideo, MVideo, MVideoFile, MVideoUUID } from '@server/types/models'
+import { removeFragmentedMP4Ext } from '@shared/core-utils'
+
+// ################## Video file name ##################
+
+function generateWebTorrentVideoFilename (resolution: number, extname: string) {
+  return buildUUID() + '-' + resolution + extname
+}
+
+function generateHLSVideoFilename (resolution: number) {
+  return `${buildUUID()}-${resolution}-fragmented.mp4`
+}
+
+// ################## Streaming playlist ##################
+
+function getLiveDirectory (video: MVideoUUID) {
+  return getHLSDirectory(video)
+}
+
+function getHLSDirectory (video: MVideoUUID) {
+  return join(HLS_STREAMING_PLAYLIST_DIRECTORY, video.uuid)
+}
+
+function getHLSRedundancyDirectory (video: MVideoUUID) {
+  return join(HLS_REDUNDANCY_DIRECTORY, video.uuid)
+}
+
+function getHlsResolutionPlaylistFilename (videoFilename: string) {
+  // Video file name already contain resolution
+  return removeFragmentedMP4Ext(videoFilename) + '.m3u8'
+}
+
+function generateHLSMasterPlaylistFilename (isLive = false) {
+  if (isLive) return 'master.m3u8'
+
+  return buildUUID() + '-master.m3u8'
+}
+
+function generateHlsSha256SegmentsFilename (isLive = false) {
+  if (isLive) return 'segments-sha256.json'
+
+  return buildUUID() + '-segments-sha256.json'
+}
+
+// ################## Torrents ##################
+
+function generateTorrentFileName (videoOrPlaylist: MVideo | MStreamingPlaylistVideo, resolution: number) {
+  const extension = '.torrent'
+  const uuid = buildUUID()
+
+  if (isStreamingPlaylist(videoOrPlaylist)) {
+    return `${uuid}-${resolution}-${videoOrPlaylist.getStringType()}${extension}`
+  }
+
+  return uuid + '-' + resolution + extension
+}
+
+function getFSTorrentFilePath (videoFile: MVideoFile) {
+  return join(CONFIG.STORAGE.TORRENTS_DIR, videoFile.torrentFilename)
+}
+
+// ---------------------------------------------------------------------------
+
+export {
+  generateHLSVideoFilename,
+  generateWebTorrentVideoFilename,
+
+  generateTorrentFileName,
+  getFSTorrentFilePath,
+
+  getHLSDirectory,
+  getLiveDirectory,
+  getHLSRedundancyDirectory,
+
+  generateHLSMasterPlaylistFilename,
+  generateHlsSha256SegmentsFilename,
+  getHlsResolutionPlaylistFilename
+}