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
*

konova/forms.py

@@ -21,8 +21,10 @@ from django.utils import timezone
 from django.utils.translation import gettext_lazy as _
 
 from konova.contexts import BaseContext
+from konova.enums import UserActionLogEntryEnum
 from konova.models import Document
 from konova.utils.message_templates import FORM_INVALID
+from user.models import UserActionLogEntry
 
 
 class BaseForm(forms.Form):
@@ -101,11 +103,26 @@ class RemoveForm(BaseForm):
         return self.cleaned_data.get("check", False)
 
     def save(self, user: User):
+        """ Perform generic removing by running the form typical 'save()' method
+
+        Args:
+            user (User): The performing user
+
+        Returns:
+
+        """
         if self.object_to_remove is not None and self.is_checked():
-            self.object_to_remove.is_active = False
-            self.object_to_remove.deleted_on = timezone.now()
-            self.object_to_remove.deleted_by = user
-            self.object_to_remove.save()
+            with transaction.atomic():
+                self.object_to_remove.is_active = False
+                action = UserActionLogEntry.objects.create(
+                    user=user,
+                    timestamp=timezone.now(),
+                    action=UserActionLogEntryEnum.DELETED.value
+                )
+                self.object_to_remove.deleted = action
+                #self.object_to_remove.deleted_on = timezone.now()
+                #self.object_to_remove.deleted_by = user
+                self.object_to_remove.save()
         return self.object_to_remove
 
 
@@ -169,9 +186,15 @@ class RemoveModalForm(BaseModalForm):
         self.form_caption = _("Are you sure?")
 
     def save(self):
-        if hasattr(self.instance, "deleted_on"):
-            self.instance.deleted_on = timezone.now()
-            self.instance.deleted_by = self.user
+        if hasattr(self.instance, "deleted"):
+            action = UserActionLogEntry.objects.create(
+                user=self.user,
+                timestamp=timezone.now(),
+                action=UserActionLogEntryEnum.DELETED.value,
+            )
+            self.instance.deleted = action
+            #self.instance.deleted_on = timezone.now()
+            #self.instance.deleted_by = self.user
             self.instance.save()
         else:
             # If the class does not provide restorable delete functionality, we must delete the entry finally
@@ -270,8 +293,12 @@ class NewDocumentForm(BaseModalForm):
 
     def save(self):
         with transaction.atomic():
+            action = UserActionLogEntry.objects.create(
+                user=self.user,
+                action=UserActionLogEntryEnum.CREATED.value,
+            )
             doc = Document.objects.create(
-                created_by=self.user,
+                created=action,
                 title=self.cleaned_data["title"],
                 comment=self.cleaned_data["comment"],
                 document=self.cleaned_data["file"],