log dicts instead of object representations

components/shared/dse_shared_libs/daf.py

@@ -14,3 +14,13 @@ class DAF:
     velocity: float
     near_crash_event: bool
     timestamp: datetime
+
+    def to_dict(self):
+        return {'vehicle_identification_number': self.vehicle_identification_number,
+                'gps_location': {'latitude': self.gps_location.latitude,
+                                 'longitude': self.gps_location.longitude
+                                 },
+                'velocity': self.velocity,
+                'near_crash_event': self.near_crash_event,
+                'timestamp': self.timestamp.timestamp()
+                }

components/shared/dse_shared_libs/target_velocity.py

@@ -5,3 +5,6 @@ from dataclasses import dataclass
 class TargetVelocity:
     vin: str
     target_velocity: float
+
+    def to_dict(self):
+        return self.__dict__

components/shared/dse_shared_libs/traffic_light_state.py

@@ -9,3 +9,8 @@ class TrafficLightState:
     tlid: str
     color: TrafficLightColor
     last_switch: datetime
+
+    def to_dict(self):
+        return {'tlid': self.tlid,
+                'color': self.color.name,
+                'last_switch': self.last_switch.timestamp()}