Created|Deleted refactoring

* refactors base attributes created and deleted into UserActionLogEntry foreign keys
* refactors all related queries and process logic
* fixes binding_on into binding_date in intervention/detail/view.html
* adds basic __str__ for some models
*

intervention/forms.py

@@ -15,10 +15,12 @@ from django.urls import reverse
 from django.utils.translation import gettext_lazy as _
 
 from intervention.models import Intervention
+from konova.enums import UserActionLogEntryEnum
 from konova.forms import BaseForm, BaseModalForm
 from konova.models import Document
 from konova.settings import DEFAULT_LAT, DEFAULT_LON, DEFAULT_ZOOM
 from organisation.models import Organisation
+from user.models import UserActionLogEntry
 
 
 class NewInterventionForm(BaseForm):
@@ -115,6 +117,10 @@ class NewInterventionForm(BaseForm):
             geometry = self.cleaned_data.get("geometry", Polygon())
             documents = self.cleaned_data.get("documents", []) or []
 
+            action = UserActionLogEntry.objects.create(
+                user=user,
+                action=UserActionLogEntryEnum.CREATED.value,
+            )
             intervention = Intervention(
                 identifier=identifier,
                 title=title,
@@ -124,7 +130,7 @@ class NewInterventionForm(BaseForm):
                 data_provider=data_provider,
                 data_provider_detail=data_provider_detail,
                 geometry=geometry,
-                created_by=user,
+                created=action,
             )
             intervention.save()
             for doc in documents: