maj via codex

backend/app/routers/meteo.py

@@ -2,7 +2,7 @@
 from datetime import date, timedelta
 from typing import Any, Optional
 
-from fastapi import APIRouter, Depends, Query
+from fastapi import APIRouter, Depends, HTTPException, Query
 from sqlalchemy import text
 from sqlmodel import Session
 
@@ -15,7 +15,7 @@ def _station_daily_summary(session: Session, iso_date: str) -> Optional[dict]:
     """Agrège les mesures horaires d'une journée en résumé."""
     rows = session.exec(
         text(
-            "SELECT temp_ext, pluie_mm, vent_kmh, humidite "
+            "SELECT temp_ext, t_min, t_max, pluie_mm, vent_kmh, humidite "
             "FROM meteostation WHERE substr(date_heure, 1, 10) = :d"
         ),
         params={"d": iso_date},
@@ -25,14 +25,20 @@ def _station_daily_summary(session: Session, iso_date: str) -> Optional[dict]:
         return None
 
     temps = [r[0] for r in rows if r[0] is not None]
-    pluies = [r[1] for r in rows if r[1] is not None]
-    vents = [r[2] for r in rows if r[2] is not None]
-    hums = [r[3] for r in rows if r[3] is not None]
+    t_mins = [r[1] for r in rows if r[1] is not None]
+    t_maxs = [r[2] for r in rows if r[2] is not None]
+    pluies = [r[3] for r in rows if r[3] is not None]
+    vents = [r[4] for r in rows if r[4] is not None]
+    hums = [r[5] for r in rows if r[5] is not None]
+
+    min_candidates = temps + t_mins
+    max_candidates = temps + t_maxs
 
     return {
-        "t_min": round(min(temps), 1) if temps else None,
-        "t_max": round(max(temps), 1) if temps else None,
-        "pluie_mm": round(sum(pluies), 1) if pluies else 0.0,
+        "t_min": round(min(min_candidates), 1) if min_candidates else None,
+        "t_max": round(max(max_candidates), 1) if max_candidates else None,
+        # WeeWX RSS expose souvent une pluie cumulée journalière.
+        "pluie_mm": round(max(pluies), 1) if pluies else 0.0,
         "vent_kmh": round(max(vents), 1) if vents else None,
         "humidite": round(sum(hums) / len(hums), 0) if hums else None,
     }
@@ -77,22 +83,36 @@ def _open_meteo_day(session: Session, iso_date: str) -> Optional[dict]:
 
 
 @router.get("/meteo/tableau")
-def get_tableau(session: Session = Depends(get_session)) -> dict[str, Any]:
-    """Tableau synthétique : 7j passé + J0 + 7j futur."""
+def get_tableau(
+    center_date: Optional[str] = Query(None, description="Date centrale YYYY-MM-DD"),
+    span: int = Query(7, ge=1, le=31, description="Nombre de jours avant/après la date centrale"),
+    session: Session = Depends(get_session),
+) -> dict[str, Any]:
+    """Tableau synthétique centré sur une date, avec historique + prévision."""
     today = date.today()
+    center = today
+    if center_date:
+        try:
+            center = date.fromisoformat(center_date)
+        except ValueError as exc:
+            raise HTTPException(status_code=400, detail="center_date invalide (format YYYY-MM-DD)") from exc
+
     rows = []
 
-    for delta in range(-7, 8):
-        d = today + timedelta(days=delta)
+    for delta in range(-span, span + 1):
+        d = center + timedelta(days=delta)
         iso = d.isoformat()
+        delta_today = (d - today).days
 
-        if delta < 0:
+        if delta_today < 0:
             row_type = "passe"
             station = _station_daily_summary(session, iso)
-            om = None  # Pas de prévision pour le passé
-        elif delta == 0:
+            om = _open_meteo_day(session, iso)
+        elif delta_today == 0:
             row_type = "aujourd_hui"
-            station = _station_current_row(session)
+            station_current = _station_current_row(session) or {}
+            station_daily = _station_daily_summary(session, iso) or {}
+            station = {**station_daily, **station_current} or None
             om = _open_meteo_day(session, iso)
         else:
             row_type = "futur"