When a StoragePath is changed, check if related documents require a rename

src/documents/signals/handlers.py

@@ -27,6 +27,7 @@ from ..file_handling import generate_unique_filename
 from ..models import Document
 from ..models import MatchingModel
 from ..models import PaperlessTask
+from ..models import StoragePath
 from ..models import Tag
 
 logger = logging.getLogger("paperless.handlers")
@@ -495,6 +496,16 @@ def update_filename_and_move_files(sender, instance, **kwargs):
             )
 
 
+@receiver(models.signals.post_save, sender=StoragePath)
+def update_document_storage_path(sender, instance, **kwargs):
+    """
+    Triggers when a storage path is changed, running against any documents using
+    the path, and checks to see if they need to be renamed
+    """
+    for document in instance.documents.all():
+        update_filename_and_move_files(None, document)
+
+
 def set_log_entry(sender, document=None, logging_group=None, **kwargs):
 
     ct = ContentType.objects.get(model="document")