avant codex

backend/app/routers/lunar.py

@@ -0,0 +1,36 @@
+import calendar
+from datetime import date
+from typing import Any
+
+from fastapi import APIRouter, HTTPException, Query
+
+router = APIRouter(tags=["lunaire"])
+
+# Cache en mémoire : {mois_str: list[dict]}
+_CACHE: dict[str, list[dict]] = {}
+
+
+@router.get("/lunar")
+def get_lunar(
+    month: str = Query(..., description="Format YYYY-MM"),
+) -> list[dict[str, Any]]:
+    if month in _CACHE:
+        return _CACHE[month]
+    try:
+        year, mon = int(month[:4]), int(month[5:7])
+    except (ValueError, IndexError):
+        raise HTTPException(400, "Format attendu : YYYY-MM")
+    last_day = calendar.monthrange(year, mon)[1]
+    start = date(year, mon, 1)
+    end = date(year, mon, last_day)
+    try:
+        from app.services.lunar import build_calendar
+        from dataclasses import asdict
+
+        result = [asdict(d) for d in build_calendar(start, end)]
+    except ImportError:
+        raise HTTPException(503, "Service lunaire non disponible (skyfield non installé)")
+    except Exception as e:
+        raise HTTPException(500, f"Erreur calcul lunaire : {e}")
+    _CACHE[month] = result
+    return result