imp part 3

backend/igny8_core/business/planning/models.py

@@ -1,6 +1,9 @@
 from django.db import models
 from igny8_core.auth.models import SiteSectorBaseModel, SeedKeyword
 from igny8_core.common.soft_delete import SoftDeletableModel, SoftDeleteManager
+import logging
+
+logger = logging.getLogger(__name__)
 
 
 class Clusters(SoftDeletableModel, SiteSectorBaseModel):
@@ -39,6 +42,27 @@ class Clusters(SoftDeletableModel, SiteSectorBaseModel):
     
     def __str__(self):
         return self.name
+    
+    def soft_delete(self, user=None, reason=None, retention_days=None):
+        """
+        Override soft_delete to cascade status reset to related Keywords.
+        When a cluster is deleted, its keywords should:
+        - Have their cluster FK set to NULL (handled by SET_NULL)
+        - Have their status reset to 'new' (orphaned keywords)
+        """
+        # Reset related keywords status to 'new' and clear cluster FK
+        keywords_count = self.keywords.filter(is_deleted=False).update(
+            cluster=None,
+            status='new'
+        )
+        
+        logger.info(
+            f"[Clusters.soft_delete] Cluster {self.id} '{self.name}' cascade: "
+            f"reset {keywords_count} keywords to status='new'"
+        )
+        
+        # Call parent soft_delete
+        super().soft_delete(user=user, reason=reason, retention_days=retention_days)
 
 
 class Keywords(SoftDeletableModel, SiteSectorBaseModel):