Feature: Audit Trail (#4425)

Adds new feature for optionally enabling change tracking for possible audit purposes
---------

Co-authored-by: shamoon <4887959+shamoon@users.noreply.github.com>
Co-authored-by: Trenton Holmes <797416+stumpylog@users.noreply.github.com>

src/documents/models.py

@@ -20,6 +20,9 @@ from django.utils import timezone
 from django.utils.translation import gettext_lazy as _
 from multiselectfield import MultiSelectField
 
+if settings.AUDIT_LOG_ENABLED:
+    from auditlog.registry import auditlog
+
 from documents.data_models import DocumentSource
 from documents.parsers import get_default_file_extension
 
@@ -872,3 +875,11 @@ class ConsumptionTemplate(models.Model):
 
     def __str__(self):
         return f"{self.name}"
+
+
+if settings.AUDIT_LOG_ENABLED:
+    auditlog.register(Document, m2m_fields={"tags"})
+    auditlog.register(Correspondent)
+    auditlog.register(Tag)
+    auditlog.register(DocumentType)
+    auditlog.register(Note)