feat: knowledge pipeline (#25360)

Signed-off-by: -LAN- <laipz8200@outlook.com>
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Co-authored-by: Hanqing Zhao <sherry9277@gmail.com>
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api/controllers/web/files.py

@@ -11,6 +11,7 @@ from controllers.common.errors import (
 )
 from controllers.web import web_ns
 from controllers.web.wraps import WebApiResource
+from extensions.ext_database import db
 from fields.file_fields import build_file_model
 from services.file_service import FileService
 
@@ -68,7 +69,7 @@ class FileApi(WebApiResource):
             source = None
 
         try:
-            upload_file = FileService.upload_file(
+            upload_file = FileService(db.engine).upload_file(
                 filename=file.filename,
                 content=file.read(),
                 mimetype=file.mimetype,

api/controllers/web/remote_files.py

@@ -14,6 +14,7 @@ from controllers.web import web_ns
 from controllers.web.wraps import WebApiResource
 from core.file import helpers as file_helpers
 from core.helper import ssrf_proxy
+from extensions.ext_database import db
 from fields.file_fields import build_file_with_signed_url_model, build_remote_file_info_model
 from services.file_service import FileService
 
@@ -119,7 +120,7 @@ class RemoteFileUploadApi(WebApiResource):
         content = resp.content if resp.request.method == "GET" else ssrf_proxy.get(url).content
 
         try:
-            upload_file = FileService.upload_file(
+            upload_file = FileService(db.engine).upload_file(
                 filename=file_info.filename,
                 content=content,
                 mimetype=file_info.mimetype,

api/controllers/web/workflow.py

@@ -21,6 +21,7 @@ from core.errors.error import (
     QuotaExceededError,
 )
 from core.model_runtime.errors.invoke import InvokeError
+from core.workflow.graph_engine.manager import GraphEngineManager
 from libs import helper
 from models.model import App, AppMode, EndUser
 from services.app_generate_service import AppGenerateService
@@ -112,6 +113,11 @@ class WorkflowTaskStopApi(WebApiResource):
         if app_mode != AppMode.WORKFLOW:
             raise NotWorkflowAppError()
 
-        AppQueueManager.set_stop_flag(task_id, InvokeFrom.WEB_APP, end_user.id)
+        # Stop using both mechanisms for backward compatibility
+        # Legacy stop flag mechanism (without user check)
+        AppQueueManager.set_stop_flag_no_user_check(task_id)
+
+        # New graph engine command channel mechanism
+        GraphEngineManager.send_stop_command(task_id)
 
         return {"result": "success"}