fix: fix node after change can not select start node (#32441)

Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>

api/controllers/console/explore/trial.py

@@ -10,7 +10,7 @@ import services
 from controllers.common.fields import Parameters as ParametersResponse
 from controllers.common.fields import Site as SiteResponse
 from controllers.common.schema import get_or_create_model
-from controllers.console import api, console_ns
+from controllers.console import console_ns
 from controllers.console.app.error import (
     AppUnavailableError,
     AudioTooLargeError,
@@ -469,7 +469,7 @@ class TrialSitApi(Resource):
     """Resource for trial app sites."""
 
     @trial_feature_enable
-    @get_app_model_with_trial
+    @get_app_model_with_trial(None)
     def get(self, app_model):
         """Retrieve app site info.
 
@@ -491,7 +491,7 @@ class TrialAppParameterApi(Resource):
     """Resource for app variables."""
 
     @trial_feature_enable
-    @get_app_model_with_trial
+    @get_app_model_with_trial(None)
     def get(self, app_model):
         """Retrieve app parameters."""
 
@@ -520,7 +520,7 @@ class TrialAppParameterApi(Resource):
 
 class AppApi(Resource):
     @trial_feature_enable
-    @get_app_model_with_trial
+    @get_app_model_with_trial(None)
     @marshal_with(app_detail_with_site_model)
     def get(self, app_model):
         """Get app detail"""
@@ -533,7 +533,7 @@ class AppApi(Resource):
 
 class AppWorkflowApi(Resource):
     @trial_feature_enable
-    @get_app_model_with_trial
+    @get_app_model_with_trial(None)
     @marshal_with(workflow_model)
     def get(self, app_model):
         """Get workflow detail"""
@@ -552,7 +552,7 @@ class AppWorkflowApi(Resource):
 
 class DatasetListApi(Resource):
     @trial_feature_enable
-    @get_app_model_with_trial
+    @get_app_model_with_trial(None)
     def get(self, app_model):
         page = request.args.get("page", default=1, type=int)
         limit = request.args.get("limit", default=20, type=int)
@@ -570,27 +570,31 @@ class DatasetListApi(Resource):
         return response
 
 
-api.add_resource(TrialChatApi, "/trial-apps/<uuid:app_id>/chat-messages", endpoint="trial_app_chat_completion")
+console_ns.add_resource(TrialChatApi, "/trial-apps/<uuid:app_id>/chat-messages", endpoint="trial_app_chat_completion")
 
-api.add_resource(
+console_ns.add_resource(
     TrialMessageSuggestedQuestionApi,
     "/trial-apps/<uuid:app_id>/messages/<uuid:message_id>/suggested-questions",
     endpoint="trial_app_suggested_question",
 )
 
-api.add_resource(TrialChatAudioApi, "/trial-apps/<uuid:app_id>/audio-to-text", endpoint="trial_app_audio")
-api.add_resource(TrialChatTextApi, "/trial-apps/<uuid:app_id>/text-to-audio", endpoint="trial_app_text")
+console_ns.add_resource(TrialChatAudioApi, "/trial-apps/<uuid:app_id>/audio-to-text", endpoint="trial_app_audio")
+console_ns.add_resource(TrialChatTextApi, "/trial-apps/<uuid:app_id>/text-to-audio", endpoint="trial_app_text")
 
-api.add_resource(TrialCompletionApi, "/trial-apps/<uuid:app_id>/completion-messages", endpoint="trial_app_completion")
+console_ns.add_resource(
+    TrialCompletionApi, "/trial-apps/<uuid:app_id>/completion-messages", endpoint="trial_app_completion"
+)
 
-api.add_resource(TrialSitApi, "/trial-apps/<uuid:app_id>/site")
+console_ns.add_resource(TrialSitApi, "/trial-apps/<uuid:app_id>/site")
 
-api.add_resource(TrialAppParameterApi, "/trial-apps/<uuid:app_id>/parameters", endpoint="trial_app_parameters")
+console_ns.add_resource(TrialAppParameterApi, "/trial-apps/<uuid:app_id>/parameters", endpoint="trial_app_parameters")
 
-api.add_resource(AppApi, "/trial-apps/<uuid:app_id>", endpoint="trial_app")
+console_ns.add_resource(AppApi, "/trial-apps/<uuid:app_id>", endpoint="trial_app")
 
-api.add_resource(TrialAppWorkflowRunApi, "/trial-apps/<uuid:app_id>/workflows/run", endpoint="trial_app_workflow_run")
-api.add_resource(TrialAppWorkflowTaskStopApi, "/trial-apps/<uuid:app_id>/workflows/tasks/<string:task_id>/stop")
+console_ns.add_resource(
+    TrialAppWorkflowRunApi, "/trial-apps/<uuid:app_id>/workflows/run", endpoint="trial_app_workflow_run"
+)
+console_ns.add_resource(TrialAppWorkflowTaskStopApi, "/trial-apps/<uuid:app_id>/workflows/tasks/<string:task_id>/stop")
 
-api.add_resource(AppWorkflowApi, "/trial-apps/<uuid:app_id>/workflows", endpoint="trial_app_workflow")
-api.add_resource(DatasetListApi, "/trial-apps/<uuid:app_id>/datasets", endpoint="trial_app_datasets")
+console_ns.add_resource(AppWorkflowApi, "/trial-apps/<uuid:app_id>/workflows", endpoint="trial_app_workflow")
+console_ns.add_resource(DatasetListApi, "/trial-apps/<uuid:app_id>/datasets", endpoint="trial_app_datasets")

api/controllers/console/explore/wraps.py

@@ -105,9 +105,9 @@ def trial_app_required(view: Callable[Concatenate[App, P], R] | None = None):
     return decorator
 
 
-def trial_feature_enable(view: Callable[..., R]) -> Callable[..., R]:
+def trial_feature_enable(view: Callable[P, R]):
     @wraps(view)
-    def decorated(*args, **kwargs):
+    def decorated(*args: P.args, **kwargs: P.kwargs):
         features = FeatureService.get_system_features()
         if not features.enable_trial_app:
             abort(403, "Trial app feature is not enabled.")
@@ -116,9 +116,9 @@ def trial_feature_enable(view: Callable[..., R]) -> Callable[..., R]:
     return decorated
 
 
-def explore_banner_enabled(view: Callable[..., R]) -> Callable[..., R]:
+def explore_banner_enabled(view: Callable[P, R]):
     @wraps(view)
-    def decorated(*args, **kwargs):
+    def decorated(*args: P.args, **kwargs: P.kwargs):
         features = FeatureService.get_system_features()
         if not features.enable_explore_banner:
             abort(403, "Explore banner feature is not enabled.")

web/app/components/workflow/nodes/_base/components/panel-operator/change-block.tsx

@@ -1,4 +1,5 @@
 import type {
+  CommonNodeType,
   Node,
   OnSelectBlock,
 } from '@/app/components/workflow/types'
@@ -16,6 +17,7 @@ import {
   useNodesInteractions,
 } from '@/app/components/workflow/hooks'
 import { useHooksStore } from '@/app/components/workflow/hooks-store'
+import useNodes from '@/app/components/workflow/store/workflow/use-nodes'
 import { BlockEnum, isTriggerNode } from '@/app/components/workflow/types'
 
 import { FlowType } from '@/types/common'
@@ -38,12 +40,17 @@ const ChangeBlock = ({
   } = useAvailableBlocks(nodeData.type, nodeData.isInIteration || nodeData.isInLoop)
   const isChatMode = useIsChatMode()
   const flowType = useHooksStore(s => s.configsMap?.flowType)
-  const showStartTab = flowType !== FlowType.ragPipeline && !isChatMode
+  const nodes = useNodes()
+  const hasStartNode = useMemo(() => {
+    return nodes.some(n => (n.data as CommonNodeType | undefined)?.type === BlockEnum.Start)
+  }, [nodes])
+  const showStartTab = flowType !== FlowType.ragPipeline && (!isChatMode || nodeData.type === BlockEnum.Start || !hasStartNode)
   const ignoreNodeIds = useMemo(() => {
-    if (isTriggerNode(nodeData.type as BlockEnum))
+    if (isTriggerNode(nodeData.type as BlockEnum) || nodeData.type === BlockEnum.Start)
       return [nodeId]
     return undefined
   }, [nodeData.type, nodeId])
+  const allowStartNodeSelection = !hasStartNode
 
   const availableNodes = useMemo(() => {
     if (availablePrevBlocks.length && availableNextBlocks.length)
@@ -80,6 +87,7 @@ const ChangeBlock = ({
       showStartTab={showStartTab}
       ignoreNodeIds={ignoreNodeIds}
       forceEnableStartTab={nodeData.type === BlockEnum.Start}
+      allowUserInputSelection={allowStartNodeSelection}
     />
   )
 }