'update

crud.py

@@ -0,0 +1,35 @@
+from sqlalchemy.orm import Session
+from models import CityWeather
+from schemas import CityWeatherCreate
+
+def get_city_weather(db: Session, city_id: int):
+    return db.query(CityWeather).filter(CityWeather.id == city_id).first()
+
+def get_city_weather_by_name(db: Session, city_name: str):
+    return db.query(CityWeather).filter(CityWeather.city_name == city_name).first()
+
+def get_city_weathers(db: Session, skip: int = 0, limit: int = 10):
+    return db.query(CityWeather).offset(skip).limit(limit).all()
+
+def create_city_weather(db: Session, city_weather: CityWeatherCreate):
+    db_city_weather = CityWeather(**city_weather.dict())
+    db.add(db_city_weather)
+    db.commit()
+    db.refresh(db_city_weather)
+    return db_city_weather
+
+def update_city_weather(db: Session, city_id: int, city_weather: CityWeatherCreate):
+    db_city = db.query(CityWeather).filter(CityWeather.id == city_id).first()
+    if db_city:
+        for key, value in city_weather.dict(exclude_unset=True).items():
+            setattr(db_city, key, value)
+        db.commit()
+        db.refresh(db_city)
+    return db_city
+
+def delete_city_weather(db: Session, city_id: int):
+    db_city = db.query(CityWeather).filter(CityWeather.id == city_id).first()
+    if db_city:
+        db.delete(db_city)
+        db.commit()
+    return db_city