Create service method for get_tool_predictions operation from Workflo…

…wAPI

lib/galaxy/webapps/galaxy/services/workflows.py

@@ -25,7 +25,8 @@
     InvocationsStateCounts,
     WorkflowIndexQueryPayload,
 )
-from galaxy.schema.workflows import InvokeWorkflowPayload
+from galaxy.schema.workflows import InvokeWorkflowPayload  # GetToolPredictionsPayload,
+from galaxy.tools import recommendations
 from galaxy.util.tool_shed.tool_shed_registry import Registry
 from galaxy.webapps.galaxy.services.base import ServiceBase
 from galaxy.webapps.galaxy.services.sharable import ShareableService
@@ -53,6 +54,21 @@ def __init__(
         self._serializer = serializer
         self.shareable_service = ShareableService(workflows_manager, serializer, notification_manager)
         self._tool_shed_registry = tool_shed_registry
+        self.tool_recommendations = recommendations.ToolRecommendations()
+
+    def get_tool_predictions(
+        self,
+        trans: ProvidesUserContext,
+        payload,
+    ):
+        remote_model_url = payload.get("remote_model_url", trans.app.config.tool_recommendation_model_path)
+        tool_sequence = payload.get("tool_sequence", "")
+        if "tool_sequence" not in payload or remote_model_url is None:
+            return {}
+        tool_sequence, recommended_tools = self.tool_recommendations.get_predictions(
+            trans, tool_sequence, remote_model_url
+        )
+        return {"current_tool": tool_sequence, "predicted_data": recommended_tools}
 
     def index(
         self,