feat: CRUD for product barcode images

models/product.py

@@ -23,6 +23,8 @@ class Product(BaseModel):
     barcode_template_id = Column(Integer, ForeignKey('barcode_templates.id'), nullable=True)
     barcode_template = relationship('BarcodeTemplate', lazy='joined')
 
+    barcode_image = relationship('ProductBarcodeImage', back_populates='product', lazy='joined', uselist=False)
+
     # Attributes
     # TODO move to another table
     brand = Column(String, nullable=True, comment='Бренд')
@@ -61,3 +63,11 @@ class ProductBarcode(BaseModel):
     product: Mapped["Product"] = relationship(back_populates='barcodes')
 
     barcode = Column(String, nullable=False, index=True, comment='ШК товара', primary_key=True)
+
+
+class ProductBarcodeImage(BaseModel):
+    __tablename__ = 'product_barcode_images'
+    product_id = Column(Integer, ForeignKey('products.id'), primary_key=True, comment='ID товара')
+    product: Mapped["Product"] = relationship(back_populates='barcode_image')
+
+    filename = Column(String, nullable=False)