misc refactors and docstrings addition

server/app/api/__init__.py

@@ -1,15 +1,24 @@
-from typing import List
+"""
+This module contains all the Flask Blueprints and API routes. It also contains all the globals list
+that are used through-out the app. It handles the initialization of the watchdog,
+checking and creating config dirs and starting the re-indexing process using a background thread.
+"""
+
+from typing import List, Set
 
 from app import models, instances
 from app import functions, helpers, prep
 from app.lib import albumslib
+from app.lib import folderslib
 
 
 DB_TRACKS = instances.songs_instance.get_all_songs()
+VALID_FOLDERS: Set[str] = set()
+
 ALBUMS: List[models.Album] = []
 TRACKS: List[models.Track] = []
 PLAYLISTS: List[models.Playlist] = []
-
+FOLDERS: List[models.Folder] = []
 
 @helpers.background
 def initialize() -> None:
@@ -17,9 +26,11 @@ def initialize() -> None:
     Runs all the necessary setup functions.
     """
     functions.start_watchdog()
-    albumslib.create_everything()
     prep.create_config_dir()
+    albumslib.create_everything()
+    folderslib.run_scandir()
     functions.reindex_tracks()
 
 
 initialize()
+