r2 transform

api/core/app/apps/pipeline/pipeline_generator.py

@@ -11,7 +11,8 @@ from typing import Any, Literal, Optional, Union, cast, overload
 
 from flask import Flask, current_app
 from pydantic import ValidationError
-from sqlalchemy.orm import sessionmaker
+from sqlalchemy import select
+from sqlalchemy.orm import Session, sessionmaker
 
 import contexts
 from configs import dify_config
@@ -38,6 +39,7 @@ from core.repositories.sqlalchemy_workflow_execution_repository import SQLAlchem
 from core.workflow.repositories.draft_variable_repository import DraftVariableSaverFactory
 from core.workflow.repositories.workflow_execution_repository import WorkflowExecutionRepository
 from core.workflow.repositories.workflow_node_execution_repository import WorkflowNodeExecutionRepository
+from core.workflow.variable_loader import DUMMY_VARIABLE_LOADER, VariableLoader
 from extensions.ext_database import db
 from libs.flask_utils import preserve_flask_contexts
 from models import Account, EndUser, Workflow, WorkflowNodeExecutionTriggeredFrom
@@ -46,6 +48,7 @@ from models.enums import WorkflowRunTriggeredFrom
 from models.model import AppMode
 from services.dataset_service import DocumentService
 from services.datasource_provider_service import DatasourceProviderService
+from services.workflow_draft_variable_service import DraftVarLoader, WorkflowDraftVariableService
 
 logger = logging.getLogger(__name__)
 
@@ -275,6 +278,7 @@ class PipelineGenerator(BaseAppGenerator):
         workflow_execution_repository: WorkflowExecutionRepository,
         workflow_node_execution_repository: WorkflowNodeExecutionRepository,
         streaming: bool = True,
+        variable_loader: VariableLoader = DUMMY_VARIABLE_LOADER,
         workflow_thread_pool_id: Optional[str] = None,
     ) -> Union[Mapping[str, Any], Generator[str | Mapping[str, Any], None, None]]:
         """
@@ -312,6 +316,7 @@ class PipelineGenerator(BaseAppGenerator):
                     "queue_manager": queue_manager,
                     "application_generate_entity": application_generate_entity,
                     "workflow_thread_pool_id": workflow_thread_pool_id,
+                    "variable_loader": variable_loader,
                 },
             )
 
@@ -404,6 +409,13 @@ class PipelineGenerator(BaseAppGenerator):
             app_id=application_generate_entity.app_config.app_id,
             triggered_from=WorkflowNodeExecutionTriggeredFrom.SINGLE_STEP,
         )
+        draft_var_srv = WorkflowDraftVariableService(db.session())
+        draft_var_srv.prefill_conversation_variable_default_values(workflow)
+        var_loader = DraftVarLoader(
+            engine=db.engine,
+            app_id=application_generate_entity.app_config.app_id,
+            tenant_id=application_generate_entity.app_config.tenant_id,
+        )
 
         return self._generate(
             flask_app=current_app._get_current_object(),  # type: ignore
@@ -415,6 +427,7 @@ class PipelineGenerator(BaseAppGenerator):
             workflow_execution_repository=workflow_execution_repository,
             workflow_node_execution_repository=workflow_node_execution_repository,
             streaming=streaming,
+            variable_loader=var_loader,
         )
 
     def single_loop_generate(
@@ -489,6 +502,13 @@ class PipelineGenerator(BaseAppGenerator):
             app_id=application_generate_entity.app_config.app_id,
             triggered_from=WorkflowNodeExecutionTriggeredFrom.SINGLE_STEP,
         )
+        draft_var_srv = WorkflowDraftVariableService(db.session())
+        draft_var_srv.prefill_conversation_variable_default_values(workflow)
+        var_loader = DraftVarLoader(
+            engine=db.engine,
+            app_id=application_generate_entity.app_config.app_id,
+            tenant_id=application_generate_entity.app_config.tenant_id,
+        )
 
         return self._generate(
             flask_app=current_app._get_current_object(),  # type: ignore
@@ -500,6 +520,7 @@ class PipelineGenerator(BaseAppGenerator):
             workflow_execution_repository=workflow_execution_repository,
             workflow_node_execution_repository=workflow_node_execution_repository,
             streaming=streaming,
+            variable_loader=var_loader,
         )
 
     def _generate_worker(
@@ -508,6 +529,7 @@ class PipelineGenerator(BaseAppGenerator):
         application_generate_entity: RagPipelineGenerateEntity,
         queue_manager: AppQueueManager,
         context: contextvars.Context,
+        variable_loader: VariableLoader,
         workflow_thread_pool_id: Optional[str] = None,
     ) -> None:
         """
@@ -521,14 +543,41 @@ class PipelineGenerator(BaseAppGenerator):
 
         with preserve_flask_contexts(flask_app, context_vars=context):
             try:
-                # workflow app
-                runner = PipelineRunner(
-                    application_generate_entity=application_generate_entity,
-                    queue_manager=queue_manager,
-                    workflow_thread_pool_id=workflow_thread_pool_id,
-                )
+                with Session(db.engine, expire_on_commit=False) as session:
+                    workflow = session.scalar(
+                        select(Workflow).where(
+                            Workflow.tenant_id == application_generate_entity.app_config.tenant_id,
+                            Workflow.app_id == application_generate_entity.app_config.app_id,
+                            Workflow.id == application_generate_entity.app_config.workflow_id,
+                        )
+                    )
+                    if workflow is None:
+                        raise ValueError("Workflow not found")
 
-                runner.run()
+                    # Determine system_user_id based on invocation source
+                    is_external_api_call = application_generate_entity.invoke_from in {
+                        InvokeFrom.WEB_APP,
+                        InvokeFrom.SERVICE_API,
+                    }
+
+                    if is_external_api_call:
+                        # For external API calls, use end user's session ID
+                        end_user = session.scalar(select(EndUser).where(EndUser.id == application_generate_entity.user_id))
+                        system_user_id = end_user.session_id if end_user else ""
+                    else:
+                        # For internal calls, use the original user ID
+                        system_user_id = application_generate_entity.user_id
+                    # workflow app
+                    runner = PipelineRunner(
+                        application_generate_entity=application_generate_entity,
+                        queue_manager=queue_manager,
+                        workflow_thread_pool_id=workflow_thread_pool_id,
+                        variable_loader=variable_loader,
+                        workflow=workflow,
+                        system_user_id=system_user_id,
+                    )
+
+                    runner.run()
             except GenerateTaskStoppedError:
                 pass
             except InvokeAuthorizationError:

api/core/app/apps/pipeline/pipeline_runner.py

@@ -17,6 +17,7 @@ from core.workflow.enums import SystemVariableKey
 from core.workflow.graph_engine.entities.event import GraphEngineEvent, GraphRunFailedEvent
 from core.workflow.graph_engine.entities.graph import Graph
 from core.workflow.system_variable import SystemVariable
+from core.workflow.variable_loader import VariableLoader
 from core.workflow.workflow_entry import WorkflowEntry
 from extensions.ext_database import db
 from models.dataset import Document, Pipeline
@@ -36,6 +37,9 @@ class PipelineRunner(WorkflowBasedAppRunner):
         self,
         application_generate_entity: RagPipelineGenerateEntity,
         queue_manager: AppQueueManager,
+        variable_loader: VariableLoader,
+        workflow: Workflow,
+        system_user_id: str,
         workflow_thread_pool_id: Optional[str] = None,
     ) -> None:
         """
@@ -43,9 +47,15 @@ class PipelineRunner(WorkflowBasedAppRunner):
         :param queue_manager: application queue manager
         :param workflow_thread_pool_id: workflow thread pool id
         """
+        super().__init__(
+            queue_manager=queue_manager,
+            variable_loader=variable_loader,
+            app_id=application_generate_entity.app_config.app_id,
+        )
         self.application_generate_entity = application_generate_entity
-        self.queue_manager = queue_manager
         self.workflow_thread_pool_id = workflow_thread_pool_id
+        self._workflow = workflow
+        self._sys_user_id = system_user_id
 
     def _get_app_id(self) -> str:
         return self.application_generate_entity.app_config.app_id