feat(models): 优化添加商品逻辑，支持扫码记录和更新商品信息

- 优化handle_add_product函数，支持扫码记录和更新商品信息
- 当扫描到已存在的商品时，获取商品信息并记录扫码日志
- 当扫描到新商品时，通过爬虫获取商品信息并记录扫码日志
- 添加BarcodeDB模型的add_product方法，用于添加或更新商品信息

app.py

@@ -271,6 +271,10 @@ def handle_add_product(barcode, location):
         barcode_ = None
         amount = 1.0
         if product:
+            gdsinfo = grocy.get_userfields(EntityType.PRODUCTS,product.id).get('GDSInfo')
+            if gdsinfo:
+                product_info = json.loads(gdsinfo)
+                models.BarcodeDB.add_product(barcode, product_info)
             for product_barcode in product.product_barcodes:
                 if product_barcode.barcode == barcode:
                     barcode_ = product_barcode
@@ -288,15 +292,16 @@ def handle_add_product(barcode, location):
         spiders.append(BarcodeSpider(x_rapidapi_key=X_RapidAPI_Key))
 
         for spider in spiders:
-            good = spider.get_good(barcode)
-            if good:
+            product_info = spider.get_good(barcode)
+            if product_info:
+                models.BarcodeDB.add_product(barcode, product_info)
                 break
-        if not good:
+        if not product_info:
             response_data = {"message": "Item not found"}
             return response_data, 400, None
 
         try:
-            added, good_name = add_product(good, location)
+            added, good_name = add_product(product_info, location)
             if added:
                 response_data = {"message": "New item added successfully"}
                 return response_data, 200, good_name

models.py

@@ -16,6 +16,19 @@ class BarcodeDB(BaseModel):
     class Meta:
         table_name = 'barcode_db'
 
+    @classmethod
+    def add_product(cls, barcode, product_info):
+        # if product already exists, update product info
+        product_info = json.dumps(product_info)
+        try:
+            product = cls.get(cls.barcode == barcode)
+            if product.product_info != product_info:
+                product.product_info = product_info
+                product.save()
+        except cls.DoesNotExist:
+            # Add new product
+            cls.create(barcode=barcode, product_info=product_info)
+
 class ScanLog(BaseModel):
     barcode = CharField()
     scan_at = DateTimeField(default=datetime.now)