login route

backend/sitemanagement/constants/account_types.py

@@ -0,0 +1,19 @@
+from typing import Literal, Tuple, List
+from enum import Enum
+
+class AccountType(str, Enum):
+    ENGINEER = "engineer"
+    OPERATOR = "operator"
+    ADMIN = "admin"
+
+    @classmethod
+    def choices(cls) -> List[Tuple[str, str]]:
+        return [
+            (cls.ENGINEER.value, "Инженер"),
+            (cls.OPERATOR.value, "Оператор"),
+            (cls.ADMIN.value, "Администратор"),
+        ]
+
+AccountTypeLiteral = Literal["engineer", "operator", "admin"]
+
+account_types = AccountType.choices()