claude fix: improve product scraping and debugging features

backend/app/api/routes_products.py

@@ -1,11 +1,10 @@
 from __future__ import annotations
 
-from fastapi import APIRouter, BackgroundTasks, Depends, HTTPException, status
+from fastapi import APIRouter, Depends, HTTPException, status
 from sqlalchemy.orm import Session
 
 from backend.app.api.deps import get_db
 from backend.app.db import crud, schemas
-from backend.app.scraper.runner import scrape_product
 
 router = APIRouter(prefix="/products", tags=["products"])
 
@@ -16,16 +15,18 @@ def list_products(skip: int = 0, limit: int = 50, db: Session = Depends(get_db))
     return crud.list_products_with_snapshots(db, skip=skip, limit=limit)
 
 
-@router.post("", response_model=schemas.ProductRead, status_code=status.HTTP_201_CREATED)
+@router.post("", response_model=schemas.ProductWithSnapshot, status_code=status.HTTP_201_CREATED)
 def create_product(
-    payload: schemas.ProductCreate,
-    background_tasks: BackgroundTasks,
+    payload: schemas.ProductCreateWithSnapshot,
     db: Session = Depends(get_db),
-) -> schemas.ProductRead:
-    product = crud.create_product(db, payload)
-    # Déclenche automatiquement le scraping après création
-    background_tasks.add_task(scrape_product, product.id)
-    return product
+) -> schemas.ProductWithSnapshot:
+    """
+    Crée un produit avec ses données de snapshot initiales.
+    Les données proviennent de la prévisualisation (/scrape/preview).
+    """
+    product = crud.create_product_with_snapshot(db, payload)
+    # Retourner le produit enrichi avec le snapshot créé
+    return crud.get_product_with_snapshot(db, product.id)
 
 
 @router.get("/{product_id}", response_model=schemas.ProductWithSnapshot)

backend/app/api/routes_scrape.py

@@ -1,12 +1,29 @@
 from __future__ import annotations
 
-from fastapi import APIRouter, BackgroundTasks
+from fastapi import APIRouter, BackgroundTasks, HTTPException
+from pydantic import BaseModel, HttpUrl
 
-from backend.app.scraper.runner import scrape_all, scrape_product
+from backend.app.scraper.runner import scrape_all, scrape_preview, scrape_product
 
 router = APIRouter(prefix="/scrape", tags=["scrape"])
 
 
+class PreviewRequest(BaseModel):
+    url: HttpUrl
+
+
+@router.post("/preview")
+def preview_scrape(payload: PreviewRequest):
+    """
+    Scrape une URL Amazon sans enregistrer en base.
+    Retourne les données pour prévisualisation avant ajout.
+    """
+    result = scrape_preview(str(payload.url))
+    if not result["success"] and result["error"]:
+        raise HTTPException(status_code=422, detail=result["error"])
+    return result
+
+
 @router.post("/product/{product_id}")
 def trigger_single(product_id: int, background_tasks: BackgroundTasks):
     # on délègue le vrai travail à un background task rapide

backend/app/db/crud.py

@@ -38,6 +38,58 @@ def create_product(db: Session, data: schemas.ProductCreate) -> models.Product:
     return product
 
 
+def create_product_with_snapshot(
+    db: Session, data: schemas.ProductCreateWithSnapshot
+) -> models.Product:
+    """Crée un produit avec un snapshot initial (données issues de la prévisualisation)."""
+    data_dict = data.model_dump()
+
+    # Extraire les champs du snapshot
+    snapshot_fields = [
+        "prix_actuel",
+        "prix_conseille",
+        "prix_min_30j",
+        "etat_stock",
+        "en_stock",
+        "note",
+        "nombre_avis",
+        "prime",
+        "choix_amazon",
+        "offre_limitee",
+        "exclusivite_amazon",
+    ]
+    snapshot_data = {k: data_dict.pop(k) for k in snapshot_fields if k in data_dict}
+
+    # Convertir les HttpUrl en strings pour SQLite
+    if data_dict.get("url"):
+        data_dict["url"] = str(data_dict["url"])
+    if data_dict.get("url_image"):
+        data_dict["url_image"] = str(data_dict["url_image"])
+
+    # Créer le produit
+    product = models.Product(**data_dict)
+    db.add(product)
+    try:
+        db.commit()
+    except IntegrityError:
+        db.rollback()
+        raise
+    db.refresh(product)
+
+    # Créer le snapshot initial si on a des données
+    has_snapshot_data = any(v is not None for v in snapshot_data.values())
+    if has_snapshot_data:
+        snapshot = models.ProductSnapshot(
+            produit_id=product.id,
+            statut_scrap="preview",
+            **snapshot_data,
+        )
+        db.add(snapshot)
+        db.commit()
+
+    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)

backend/app/db/schemas.py

@@ -87,3 +87,20 @@ class ProductWithSnapshot(ProductBase):
 
     class Config:
         orm_mode = True
+
+
+class ProductCreateWithSnapshot(ProductBase):
+    """Création d'un produit avec données de snapshot initiales (depuis preview)."""
+
+    # Données du snapshot initial
+    prix_actuel: Optional[float] = None
+    prix_conseille: Optional[float] = None
+    prix_min_30j: Optional[float] = None
+    etat_stock: Optional[str] = None
+    en_stock: Optional[bool] = None
+    note: Optional[float] = None
+    nombre_avis: Optional[int] = None
+    prime: Optional[bool] = None
+    choix_amazon: Optional[bool] = None
+    offre_limitee: Optional[bool] = None
+    exclusivite_amazon: Optional[bool] = None

backend/app/main.py

@@ -44,5 +44,11 @@ def health() -> dict[str, str]:
     return {"statut": "ok"}
 
 
+@app.get("/version")
+def version() -> dict[str, str]:
+    """Retourne la version du backend."""
+    return {"version": "0.1.0"}
+
+
 def main() -> FastAPI:
     return app