Implemented old spot cleanup thread

core/cleanup.py

@@ -0,0 +1,46 @@
+# Provides a timed cleanup of the spot list.
+import logging
+from datetime import datetime, timedelta
+from threading import Timer
+from time import sleep
+
+import pytz
+
+
+class CleanupTimer:
+
+    # Constructor
+    def __init__(self, spot_list, cleanup_interval, max_spot_age):
+        self.spot_list = spot_list
+        self.cleanup_interval = cleanup_interval
+        self.max_spot_age = max_spot_age
+        self.cleanup_timer = None
+        self.last_cleanup_time = datetime.min.replace(tzinfo=pytz.UTC)
+        self.status = "Starting"
+
+    # Start the cleanup timer
+    def start(self):
+        self.cleanup()
+
+    # Stop any threads and prepare for application shutdown
+    def stop(self):
+        self.cleanup_timer.cancel()
+
+    # Perform cleanup and reschedule next timer
+    def cleanup(self):
+        try:
+            # Perform cleanup
+            for spot in self.spot_list:
+                if not spot.time or spot.time < datetime.now(pytz.UTC) - timedelta(seconds=self.max_spot_age):
+                    self.spot_list.remove(spot)
+
+            self.status = "OK"
+            self.last_cleanup_time = datetime.now(pytz.UTC)
+
+        except Exception as e:
+            self.status = "Error"
+            logging.exception("Exception in Cleanup thread")
+            sleep(1)
+
+        self.cleanup_timer = Timer(self.cleanup_interval, self.cleanup)
+        self.cleanup_timer.start()