Implemented old spot cleanup thread

main.py

@@ -1,6 +1,8 @@
 # Main script
 import signal
 
+from core.cleanup import CleanupTimer
+from core.constants import MAX_SPOT_AGE_SEC
 from providers.dxcluster import DXCluster
 from providers.gma import GMA
 from providers.hema import HEMA
@@ -10,15 +12,16 @@ from providers.sota import SOTA
 from providers.wwbota import WWBOTA
 from providers.wwff import WWFF
 
-
 # Shutdown function
 def shutdown(sig, frame):
     print("Stopping program, this may take a few seconds...")
     for p in providers: p.stop()
+    cleanup_timer.stop()
 
 
 # Main function
 if __name__ == '__main__':
+    print("Starting...")
     # Shut down gracefully on SIGINT
     signal.signal(signal.SIGINT, shutdown)
 
@@ -41,7 +44,9 @@ if __name__ == '__main__':
     # Start data providers
     for p in providers: p.start()
 
-    # todo thread to clear spot list of old data
+    # Set up timer to clear spot list of old data
+    cleanup_timer = CleanupTimer(spot_list=spot_list, cleanup_interval=60, max_spot_age=MAX_SPOT_AGE_SEC)
+    cleanup_timer.start()
 
     # Todo serve spot API
     # Todo spot API arguments e.g. "since" based on received_time of spots, sources, sigs, dx cont, dxcc, de cont, band, mode, filter out qrt, filter pre-qsy
@@ -49,6 +54,8 @@ if __name__ == '__main__':
     # Todo serve apidocs
     # Todo serve website
 
+    print("Startup complete.")
+
 
 # TODO NOTES FOR NGINX REVERSE PROXY
 # local cache time of 15 sec to avoid over burdening python?