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32 changes: 17 additions & 15 deletions backend/prompt_studio/prompt_studio_core/views.py
Original file line number Diff line number Diff line change
Expand Up @@ -26,6 +26,7 @@
from rest_framework.versioning import URLPathVersioning
from tool_instance.models import ToolInstance
from utils.filtering import FilterHelper
from prompt_studio.prompt_studio_registry.models import PromptStudioRegistry

from .models import CustomTool
from .serializers import CustomToolSerializer, PromptStudioIndexSerializer
Expand Down Expand Up @@ -74,22 +75,23 @@ def destroy(
self, request: Request, *args: tuple[Any], **kwargs: dict[str, Any]
) -> Response:
instance: CustomTool = self.get_object()
exported_tool_instances_in_use = ToolInstance.objects.filter(
tool_id__exact=instance.prompt_studio_registry.pk
)
dependent_wfs = set()
for tool_instance in exported_tool_instances_in_use:
dependent_wfs.add(tool_instance.workflow_id)
if len(dependent_wfs) > 0:
logger.info(
f"Cannot destroy custom tool {instance.tool_id},"
f" depended by workflows {dependent_wfs}"
)
raise ToolDeleteError(
"Failed to delete tool, its used in other workflows. "
"Delete its usages first"
# Checks if tool is exported
if hasattr(instance, "prompt_studio_registry"):
exported_tool_instances_in_use = ToolInstance.objects.filter(
tool_id__exact=instance.prompt_studio_registry.pk
)

dependent_wfs = set()
for tool_instance in exported_tool_instances_in_use:
dependent_wfs.add(tool_instance.workflow_id)
if len(dependent_wfs) > 0:
logger.info(
f"Cannot destroy custom tool {instance.tool_id},"
f" depended by workflows {dependent_wfs}"
)
raise ToolDeleteError(
"Failed to delete tool, its used in other workflows. "
"Delete its usages first"
)
return super().destroy(request, *args, **kwargs)

@action(detail=True, methods=["get"])
Expand Down