Add access tracker for cleaning CDN

app.py

@@ -17,6 +17,7 @@ from botocore.client import Config as BotoConfig
 import urllib.parse
 
 from dotenv import load_dotenv
+from access_tracker import AccessTracker
 load_dotenv()
 
 logging.basicConfig(
@@ -83,6 +84,8 @@ download_tracker = {
 download_lock = threading.Lock()
 download_queue = []
 
+access_tracker = AccessTracker()
+
 def download_and_upload_video(video_id, url, video_quality):
     try:
         with download_lock:
@@ -411,6 +414,11 @@ if you want to download videos, please consider using a tool like nndownload: ht
         logger.info(f"{video_id}: Caching HTML response")
         cache.set(f"{video_id}{cache_html_suffix}", html_response, expire=CACHE_EXPIRATION_HTML)
 
+    # Record access time for CDN cleanup purposes
+    if is_video_in_cdn(video_id):
+        access_tracker.record_access(video_id)
+        logger.debug(f"{video_id}: Recorded access time for CDN tracking")
+
     logger.info(f"{video_id}: Returning response")
     logger.debug(f"{video_id}: HTML response:\n----------\n{html_response}\n----------")
     return Response(html_response, mimetype="text/html")