Updates

ETB-API/incident_intelligence/signals.py

@@ -0,0 +1,61 @@
+"""
+Django signals for incident intelligence
+"""
+from django.db.models.signals import post_save, pre_save
+from django.dispatch import receiver
+from django.utils import timezone
+import logging
+
+from .models import Incident
+
+logger = logging.getLogger(__name__)
+
+
+@receiver(post_save, sender=Incident)
+def incident_post_save(sender, instance, created, **kwargs):
+    """
+    Handle incident post-save events
+    """
+    if created:
+        logger.info(f"New incident created: {instance.id}")
+        
+        # Trigger AI processing for new incidents
+        try:
+            from .tasks import process_incident_ai
+            process_incident_ai.delay(instance.id)
+        except Exception as e:
+            logger.error(f"Failed to trigger AI processing for incident {instance.id}: {e}")
+    
+    # Update resolution time if status changed to resolved
+    if not created and instance.status in ['RESOLVED', 'CLOSED'] and not instance.resolved_at:
+        instance.resolved_at = timezone.now()
+        instance.save(update_fields=['resolved_at'])
+
+
+@receiver(pre_save, sender=Incident)
+def incident_pre_save(sender, instance, **kwargs):
+    """
+    Handle incident pre-save events
+    """
+    # Auto-assign priority based on severity
+    if instance.severity and not instance.priority:
+        severity_priority_map = {
+            'EMERGENCY': 'P1',
+            'CRITICAL': 'P1',
+            'HIGH': 'P2',
+            'MEDIUM': 'P3',
+            'LOW': 'P4'
+        }
+        instance.priority = severity_priority_map.get(instance.severity, 'P3')
+    
+    # Update AI processing flag if key fields changed
+    if instance.pk:
+        try:
+            old_instance = Incident.objects.get(pk=instance.pk)
+            ai_relevant_fields = ['title', 'description', 'free_text', 'category', 'subcategory', 'severity']
+            
+            if any(getattr(old_instance, field) != getattr(instance, field) for field in ai_relevant_fields):
+                instance.ai_processed = False
+                instance.ai_processing_error = None
+        except Incident.DoesNotExist:
+            pass