Files
igny8/backend/igny8_core/business/planning/signals.py
2025-12-30 08:51:31 +00:00

131 lines
4.6 KiB
Python

"""
Cascade signals for Planning models
Handles status updates and relationship cleanup when parent records are deleted
"""
import logging
from django.db.models.signals import pre_delete, post_save
from django.dispatch import receiver
logger = logging.getLogger(__name__)
@receiver(pre_delete, sender='planner.Clusters')
def handle_cluster_soft_delete(sender, instance, **kwargs):
"""
When a Cluster is deleted:
- Set Keywords.cluster = NULL
- Reset Keywords.status to 'new'
- Set ContentIdeas.keyword_cluster = NULL
- Reset ContentIdeas.status to 'new'
"""
from igny8_core.business.planning.models import Keywords, ContentIdeas
# Check if this is a soft delete (is_deleted=True) vs hard delete
# Soft deletes trigger delete() which calls soft_delete()
if hasattr(instance, 'is_deleted') and instance.is_deleted:
return # Skip if already soft-deleted
try:
# Update related Keywords - clear cluster FK and reset status
updated_keywords = Keywords.objects.filter(cluster=instance).update(
cluster=None,
status='new'
)
if updated_keywords:
logger.info(
f"[Cascade] Cluster '{instance.name}' (ID: {instance.id}) deleted: "
f"Reset {updated_keywords} keywords to status='new', cluster=NULL"
)
# Update related ContentIdeas - clear cluster FK and reset status
updated_ideas = ContentIdeas.objects.filter(keyword_cluster=instance).update(
keyword_cluster=None,
status='new'
)
if updated_ideas:
logger.info(
f"[Cascade] Cluster '{instance.name}' (ID: {instance.id}) deleted: "
f"Reset {updated_ideas} content ideas to status='new', keyword_cluster=NULL"
)
except Exception as e:
logger.error(f"[Cascade] Error handling cluster deletion cascade: {e}", exc_info=True)
@receiver(pre_delete, sender='planner.ContentIdeas')
def handle_idea_soft_delete(sender, instance, **kwargs):
"""
When a ContentIdea is deleted:
- Set Tasks.idea = NULL (don't delete tasks, they may have content)
- Log orphaned tasks
"""
from igny8_core.business.content.models import Tasks
if hasattr(instance, 'is_deleted') and instance.is_deleted:
return
try:
# Update related Tasks - clear idea FK
updated_tasks = Tasks.objects.filter(idea=instance).update(idea=None)
if updated_tasks:
logger.info(
f"[Cascade] ContentIdea '{instance.idea_title}' (ID: {instance.id}) deleted: "
f"Cleared idea reference from {updated_tasks} tasks"
)
except Exception as e:
logger.error(f"[Cascade] Error handling content idea deletion cascade: {e}", exc_info=True)
@receiver(pre_delete, sender='writer.Tasks')
def handle_task_soft_delete(sender, instance, **kwargs):
"""
When a Task is deleted:
- Set Content.task = NULL
"""
from igny8_core.business.content.models import Content
if hasattr(instance, 'is_deleted') and instance.is_deleted:
return
try:
# Update related Content - clear task FK
updated_content = Content.objects.filter(task=instance).update(task=None)
if updated_content:
logger.info(
f"[Cascade] Task '{instance.title}' (ID: {instance.id}) deleted: "
f"Cleared task reference from {updated_content} content items"
)
except Exception as e:
logger.error(f"[Cascade] Error handling task deletion cascade: {e}", exc_info=True)
@receiver(pre_delete, sender='writer.Content')
def handle_content_soft_delete(sender, instance, **kwargs):
"""
When Content is deleted:
- Soft delete related Images (cascade soft delete)
- Clear PublishingRecord references
"""
from igny8_core.business.content.models import Images
if hasattr(instance, 'is_deleted') and instance.is_deleted:
return
try:
# Soft delete related Images
related_images = Images.objects.filter(content=instance)
for image in related_images:
image.soft_delete(reason='cascade_from_content')
count = related_images.count()
if count:
logger.info(
f"[Cascade] Content '{instance.title}' (ID: {instance.id}) deleted: "
f"Soft deleted {count} related images"
)
except Exception as e:
logger.error(f"[Cascade] Error handling content deletion cascade: {e}", exc_info=True)