Moved progress bar from indexing folder content to parsing found videos.

src/core.py

@@ -224,7 +224,6 @@ def scan_folder(path):
     for _ in os.listdir(path):
         content_count += 1
 
-    with click.progressbar(length=content_count, label='Collecting videos') as bar:
     # non-existing
     if not os.path.exists(path):
         try:
@@ -248,12 +247,12 @@ def scan_folder(path):
             logging.exception('Unexpected error while collecting directory path %s', path)
             errored_paths.append(path)
 
-            for video in scanned_videos:
-                video.subtitle_languages |= set(search_external_subtitles(video.name,
+        with click.progressbar(scanned_videos, label='Parsing found videos', item_show_function=lambda v: os.path.split(v.name)[1] if v is not None else '') as bar:
+            for v in bar:
+                v.subtitle_languages |= set(search_external_subtitles(v.name,
                                                                           directory=path).values())
-                refine(video)
-                videos.append(video)
-                bar.update(1)
+                refine(v)
+                videos.append(v)
 
     return videos