🏷️ Fix some type issues (mypy)

backend/routers/stop.py

@@ -4,7 +4,11 @@ from typing import Sequence
 
 from fastapi import APIRouter, HTTPException
 
-from backend.idfm_interface import Destinations as IdfmDestinations, IdfmInterface
+from backend.idfm_interface import (
+    Destinations as IdfmDestinations,
+    IdfmInterface,
+    TrainStatus,
+)
 from backend.models import Stop, StopArea, StopShape
 from backend.schemas import (
     NextPassage as NextPassageSchema,
@@ -38,16 +42,20 @@ def optional_datetime_to_ts(dt: datetime | None) -> int | None:
 @router.get("/")
 async def get_stop(
     name: str = "", limit: int = 10
-) -> Sequence[StopAreaSchema | StopSchema]:
+) -> Sequence[StopAreaSchema | StopSchema] | None:
+
+    matching_stops = await Stop.get_by_name(name)
+    if matching_stops is None:
+        return None
 
     formatted: list[StopAreaSchema | StopSchema] = []
-    matching_stops = await Stop.get_by_name(name)
-
     stop_areas: dict[int, StopArea] = {}
     stops: dict[int, Stop] = {}
     for stop in matching_stops:
-        dst = stop_areas if isinstance(stop, StopArea) else stops
-        dst[stop.id] = stop
+        if isinstance(stop, StopArea):
+            stop_areas[stop.id] = stop
+        elif isinstance(stop, Stop):
+            stops[stop.id] = stop
 
     for stop_area in stop_areas.values():
 
@@ -121,8 +129,12 @@ async def get_next_passages(stop_id: int) -> NextPassagesSchema | None:
                 arrivalPlatformName=arrivalPlatformName,
                 aimedDepartTs=optional_datetime_to_ts(call.AimedDepartureTime),
                 expectedDepartTs=optional_datetime_to_ts(call.ExpectedDepartureTime),
-                arrivalStatus=call.ArrivalStatus.value,
-                departStatus=call.DepartureStatus.value,
+                arrivalStatus=call.ArrivalStatus
+                if call.ArrivalStatus is not None
+                else TrainStatus.unknown,
+                departStatus=call.DepartureStatus
+                if call.DepartureStatus is not None
+                else TrainStatus.unknown,
             )
 
             by_line_passages = by_line_by_dst_passages[line_id]
@@ -131,7 +143,7 @@ async def get_next_passages(stop_id: int) -> NextPassagesSchema | None:
                 by_line_passages[dst].append(next_passage)
 
     return NextPassagesSchema(
-        ts=service_delivery.ResponseTimestamp.timestamp(),
+        ts=int(service_delivery.ResponseTimestamp.timestamp()),
         passages=by_line_by_dst_passages,
     )