1er

backend/app/db/crud.py

@@ -0,0 +1,45 @@
+from __future__ import annotations
+
+from sqlalchemy.exc import IntegrityError
+from sqlalchemy.orm import Session
+
+from backend.app.db import models, schemas
+
+
+"""
+CRUD minimal pour manipuler les produits dans la base SQLite.
+"""
+
+
+def get_product(db: Session, product_id: int) -> models.Product | None:
+    return db.query(models.Product).filter(models.Product.id == product_id).first()
+
+
+def list_products(db: Session, skip: int = 0, limit: int = 100) -> list[models.Product]:
+    return db.query(models.Product).offset(skip).limit(limit).all()
+
+
+def create_product(db: Session, data: schemas.ProductCreate) -> models.Product:
+    product = models.Product(**data.dict())
+    db.add(product)
+    try:
+        db.commit()
+    except IntegrityError:
+        db.rollback()
+        raise
+    db.refresh(product)
+    return product
+
+
+def update_product(db: Session, product: models.Product, changes: schemas.ProductUpdate) -> models.Product:
+    for field, value in changes.dict(exclude_unset=True).items():
+        setattr(product, field, value)
+    db.add(product)
+    db.commit()
+    db.refresh(product)
+    return product
+
+
+def remove_product(db: Session, product: models.Product) -> None:
+    db.delete(product)
+    db.commit()