EMA

* adds Ema model (basically Compensation inherited)
* adds index view for EMAs
* fixes drop-down link bug for menu 'More' in navbar
* refactors some more forms to use process_request()
* adds modified attribute to BaseResource for easy last_modified check
* adds setting of modified attribute in all places where UserAction.EDITED is added to log
* adds EMA_ACCOUNT_IDENTIFIER_LENGTH and EMA_ACCOUNT_IDENTIFIER_TEMPLATE to ema/settings.py
* adds EmaAdmin to ema/admin.py
* fixes wrong title in intervention detail view html for revocations
* adds support for subtitle variable to BaseTable and generic_index.html
* drops next_version attribute from models
* adds/updates translations
* adds default ordering for UserActionLogEntry
   * removes extra ordering in log modal rendering

intervention/views.py

@@ -33,9 +33,6 @@ def index_view(request: HttpRequest):
     # Filtering by user access is performed in table filter inside of InterventionTableFilter class
     interventions = Intervention.objects.filter(
         deleted=None,  # not deleted
-        next_version=None,  # only newest versions
-    ).order_by(
-        "-created__timestamp"
     )
     table = InterventionTable(
         request=request,
@@ -273,22 +270,10 @@ def create_share_view(request: HttpRequest, id: str):
     """
     intervention = get_object_or_404(Intervention, id=id)
     form = ShareInterventionForm(request.POST or None, instance=intervention, request=request)
-    if request.method == "POST":
-        if form.is_valid():
-            form.save()
-            messages.info(
-                request,
-                _("Share settings updated")
-            )
-            return redirect(request.META.get("HTTP_REFERER", "home"))
-    elif request.method == "GET":
-        context = {
-            "form": form,
-        }
-        context = BaseContext(request, context).context
-        return render(request, form.template, context)
-    else:
-        raise NotImplementedError
+    return form.process_request(
+        request,
+        msg_success=_("Share settings updated")
+    )
 
 
 @login_required
@@ -324,28 +309,10 @@ def new_revocation_view(request: HttpRequest, id: str):
     """
     intervention = get_object_or_404(Intervention, id=id)
     form = NewRevocationForm(request.POST or None, request.FILES or None, instance=intervention, user=request.user)
-    if request.method == "POST":
-        if form.is_valid():
-            form.save()
-            messages.info(
-                request,
-                _("Revocation added")
-            )
-        else:
-            messages.error(
-                request,
-                FORM_INVALID,
-                extra_tags="danger",
-            )
-        return redirect(request.META.get("HTTP_REFERER", "home"))
-    elif request.method == "GET":
-        context = {
-            "form": form,
-        }
-        context = BaseContext(request, context).context
-        return render(request, form.template, context)
-    else:
-        raise NotImplementedError
+    return form.process_request(
+        request,
+        msg_success=_("Revocation added")
+    )
 
 
 @login_required
@@ -365,7 +332,7 @@ def log_view(request: HttpRequest, id: str):
 
     context = {
         "modal_body_template": body_template,
-        "log": intervention.log.all().order_by("-timestamp"),
+        "log": intervention.log.all(),
         "modal_title": _("Log"),
     }
     context = BaseContext(request, context).context