refactor(serverlibrary): move suffixes to library

move audio/video suffixes to serverlibrary
remove from audiobooks_library, ffmpeg_handling

audiobook_metadata/metadata_audiobooks_library.py

@@ -17,7 +17,6 @@ logging.setLoggerClass(CustomLogger)
 logger: CustomLogger = logging.getLogger(__name__)  # type: ignore[assignment]
 
 metadata_fields = ["artist", "album", "composer", "comment", "genre", "grouping", "album artist", "description"]
-audio_extensions = {"*.m4b", "*.m4a", "*.mp3", "*.flac", "*.ogg", "*.opus"}
 
 def ffmpeg_escape(path: Path) -> str:
     return str(path.resolve()).replace("'", r"'\''")
@@ -192,12 +191,12 @@ class Audiobook:
 
     def init_book(self) -> None:
         self.files = [
-            file for pattern in audio_extensions for file in self.bookPath.glob(pattern)
+                file for pattern in AUDIO_SUFFIXES for file in self.bookPath.glob(pattern)
         ]
         self.firstFile = self.get_first_file()
         self.size = sum(
             file.stat().st_size
-            for pattern in audio_extensions
+            for pattern in AUDIO_SUFFIXES
             for file in self.bookPath.glob(pattern)
         )
         self.fileConunt = len(self.files)
@@ -815,7 +814,7 @@ class AudiobookLibrary:
         """
 
         media_files = []
-        for ext in audio_extensions:
+        for ext in AUDIO_SUFFIXES:
             media_files.extend(list(self.libraryPath.rglob(ext)))
         dirs = {file.parent for file in media_files}
         for directory in dirs: