feat: total services amount and recalculating

models/base.py

@@ -3,7 +3,10 @@ from sqlalchemy.orm import declarative_base, DeclarativeBase
 
 
 class BaseModel(DeclarativeBase, AsyncAttrs):
-    pass
+    def __repr__(self):
+        if hasattr(self, 'id'):
+            return f'<{self.__class__.__name__} id={self.id}>'
+        return super().__repr__()
 
 
 metadata = BaseModel.metadata