refactor: move workflow package to dify_graph (#32844)

api/dify_graph/repositories/datasource_manager_protocol.py

@@ -0,0 +1,50 @@
+from collections.abc import Generator
+from typing import Any, Protocol
+
+from pydantic import BaseModel
+
+from dify_graph.file import File
+from dify_graph.node_events import StreamChunkEvent, StreamCompletedEvent
+
+
+class DatasourceParameter(BaseModel):
+    workspace_id: str
+    page_id: str
+    type: str
+
+
+class OnlineDriveDownloadFileParam(BaseModel):
+    id: str
+    bucket: str
+
+
+class DatasourceFinal(BaseModel):
+    data: dict[str, Any] | None = None
+
+
+class DatasourceManagerProtocol(Protocol):
+    @classmethod
+    def get_icon_url(cls, provider_id: str, tenant_id: str, datasource_name: str, datasource_type: str) -> str: ...
+
+    @classmethod
+    def stream_node_events(
+        cls,
+        *,
+        node_id: str,
+        user_id: str,
+        datasource_name: str,
+        datasource_type: str,
+        provider_id: str,
+        tenant_id: str,
+        provider: str,
+        plugin_id: str,
+        credential_id: str,
+        parameters_for_log: dict[str, Any],
+        datasource_info: dict[str, Any],
+        variable_pool: Any,
+        datasource_param: DatasourceParameter | None = None,
+        online_drive_request: OnlineDriveDownloadFileParam | None = None,
+    ) -> Generator[StreamChunkEvent | StreamCompletedEvent, None, None]: ...
+
+    @classmethod
+    def get_upload_file_by_id(cls, file_id: str, tenant_id: str) -> File: ...