FEAT: NEW WORKFLOW ENGINE (#3160)

Co-authored-by: Joel <iamjoel007@gmail.com>
Co-authored-by: Yeuoly <admin@srmxy.cn>
Co-authored-by: JzoNg <jzongcode@gmail.com>
Co-authored-by: StyleZhang <jasonapring2015@outlook.com>
Co-authored-by: jyong <jyong@dify.ai>
Co-authored-by: nite-knite <nkCoding@gmail.com>
Co-authored-by: jyong <718720800@qq.com>

api/models/__init__.py

@@ -1 +1,44 @@
-# -*- coding:utf-8 -*-
+from enum import Enum
+
+
+class CreatedByRole(Enum):
+    """
+    Enum class for createdByRole
+    """
+    ACCOUNT = "account"
+    END_USER = "end_user"
+
+    @classmethod
+    def value_of(cls, value: str) -> 'CreatedByRole':
+        """
+        Get value of given mode.
+
+        :param value: mode value
+        :return: mode
+        """
+        for role in cls:
+            if role.value == value:
+                return role
+        raise ValueError(f'invalid createdByRole value {value}')
+
+
+class CreatedFrom(Enum):
+    """
+    Enum class for createdFrom
+    """
+    SERVICE_API = "service-api"
+    WEB_APP = "web-app"
+    EXPLORE = "explore"
+
+    @classmethod
+    def value_of(cls, value: str) -> 'CreatedFrom':
+        """
+        Get value of given mode.
+
+        :param value: mode value
+        :return: mode
+        """
+        for role in cls:
+            if role.value == value:
+                return role
+        raise ValueError(f'invalid createdFrom value {value}')