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