Feature: 신호등 잔여시간(T-데이터)) API 정보 불러오기 기능구현

Author: woodzverse

map/services/v2x.py

@@ -0,0 +1,30 @@
+import requests
+import os
+from dotenv import load_dotenv
+
+load_dotenv()
+
+V2X_API_KEY = os.getenv("V2X_API_KEY")
+
+def get_signal_phase(intersection_id: str, page=1, rows=20):
+    url = "http://t-data.seoul.go.kr/apig/apiman-gateway/tapi/v2xSignalPhaseTimingInformation/1.0"
+    params = {
+        "apiKey": V2X_API_KEY,
+        "pageNo": page,
+        "numOfRows": rows
+    }
+    headers = {
+        "Content-Type": "application/json"
+    }
+    payload = {
+        "intersectionId": intersection_id
+    }
+
+    try:
+        response = requests.post(url, params=params, headers=headers, json=payload)
+        if response.status_code == 200:
+            return response.json()
+        else:
+            return {"error": f"신호 API 실패: {response.status_code}"}
+    except Exception as e:
+        return {"error": str(e)}

map/urls.py

@@ -1,7 +1,8 @@
 from django.urls import path
-from .views import TmapRouteView, TrafficLightView
+from .views import TmapRouteView, TrafficLightView, SignalPhaseView
 
 urlpatterns = [
     path('route/', TmapRouteView.as_view(), name='tmap-route'),
     path('traffic-lights/', TrafficLightView.as_view(), name='traffic-lights'),
+    path("signal-phase/", SignalPhaseView.as_view(), name="signal-phase"),
 ]

map/views.py

@@ -3,7 +3,7 @@
 from rest_framework import status
 from .services.tmap import get_pedestrian_route
 from .services.traffic_light import fetch_traffic_lights, convert_tm_to_wgs84, is_within_radius
-
+from .services.v2x import get_signal_phase
 class TmapRouteView(APIView):
     def get(self, request):
         startX = request.query_params.get("startX")
@@ -55,3 +55,12 @@ def get(self, request):
                 continue
 
         return Response({"total": len(result), "lights": result}, status=status.HTTP_200_OK)
+
+class SignalPhaseView(APIView):
+    def get(self, request):
+        intersection_id = request.query_params.get("id")
+        if not intersection_id:
+            return Response({"error": "intersectionId를 입력해주세요"}, status=400)
+        
+        data = get_signal_phase(intersection_id)
+        return Response(data, status=200)