[bugfix] Strictly validate polygons (interuss#446)

* Add failing test to reproduce operation missing from query

* Add big operation test, correct missing-from-query test

* Reject invalid polygons

* Fix tests

* Fix sneaky unit test

* Fix normalization

monitoring/monitorlib/requirements.txt

@@ -3,6 +3,7 @@ flask==1.1.2
 google-auth==1.6.3
 jwcrypto==0.7
 pyjwt==1.7.1
+pyyaml==5.3.1
 requests==2.22.0
 s2sphere==0.2.5
 termcolor==1.1.0

monitoring/monitorlib/scd.py

@@ -1,4 +1,4 @@
-from datetime import datetime
+from datetime import datetime, timedelta
 from typing import Dict, List, Optional, Tuple
 
 import s2sphere
@@ -90,6 +90,24 @@ def latitude_degrees(distance_meters: float) -> float:
   return 360 * distance_meters / EARTH_CIRCUMFERENCE_M
 
 
+def parse_time(time: Dict) -> datetime:
+  t_str = time['value']
+  if t_str[-1] == 'Z':
+    t_str = t_str[0:-1]
+  return datetime.fromisoformat(t_str)
+
+
+def start_of(vol4s: List[Dict]) -> datetime:
+  return min([parse_time(vol4['time_start']) for vol4 in vol4s])
+
+
+def offset_time(vol4s: List[Dict], dt: timedelta) -> List[Dict]:
+  for vol4 in vol4s:
+    vol4['time_start'] = make_time(parse_time(vol4['time_start']) + dt)
+    vol4['time_end'] = make_time(parse_time(vol4['time_end']) + dt)
+  return vol4s
+
+
 class Subscription(dict):
   @property
   def valid(self) -> bool:

monitoring/prober/scd/resources/op_404_version1.json

@@ -19,10 +19,6 @@
             {
               "lng": 10.020054117178084,
               "lat": 10.01985896200956
-            },
-            {
-              "lng": 9.980582850817164,
-              "lat": 9.98038769564864
             }
           ]
         },