init

web/commons/models/mixin/base.py

@@ -0,0 +1,13 @@
+class BaseModelMixin:
+
+    def find_by_key(self):
+        ...
+
+    def upsert(self):
+        result = self.find_by_key()
+        session = self._db.session
+        if result:
+            session.delete(result)
+            session.flush()
+        session.add(self)
+        session.commit()