feat: temp barcode templates

models/barcode.py

@@ -0,0 +1,22 @@
+from sqlalchemy import Integer, Column, String, Boolean
+from sqlalchemy.orm import relationship
+
+from models import BaseModel
+
+
+class BarcodeTemplateAttribute(BaseModel):
+    __tablename__ = 'barcode_template_attributes'
+    id = Column(Integer, autoincrement=True, primary_key=True, index=True)
+    name = Column(String, nullable=False, index=True, comment='Название атрибута')
+    label = Column(String, nullable=False, index=True, comment='Метка атрибута')
+
+
+class BarcodeTemplate(BaseModel):
+    __tablename__ = 'barcode_templates'
+    id = Column(Integer, autoincrement=True, primary_key=True, index=True)
+    name = Column(String, nullable=False, index=True, comment='Название шаблона')
+    attributes = relationship('BarcodeTemplateAttributeLink',
+                              back_populates='barcode_template',
+                              cascade="all, delete-orphan",
+                              lazy='joined')
+    is_default = Column(Boolean, nullable=False, default=False, comment='По умолчанию')