log implausible delays

Author: jclgoodwin

vehicles/rtpi.py

@@ -1,6 +1,7 @@
 # "Real Time Passenger Information"-ish stuff - calculating delays etc
 
 import datetime
+import logging
 from itertools import pairwise
 from django.contrib.gis.geos import LineString, Point
 from django.contrib.gis.db.models.functions import Distance, LineLocatePoint
@@ -10,6 +11,9 @@
 from vehicles.utils import calculate_bearing
 
 
+logger = logging.getLogger(__name__)
+
+
 def get_route_bearing(geometry: LineString, progress: float):
     """Get the bearing of the route at a given progress point (0-1)."""
     delta = 0.01
@@ -187,6 +191,9 @@ def get_progress(item: dict, stop_time=None) -> Progress | None:
         if abs(alt.delay) < abs(progress.delay):
             progress = alt
 
+    if abs(progress.delay) > 43200:  # more than 12 hours
+        logger.warning("%s delay is %s", item, progress.delay)
+
     return progress