no longer use model_to_dict

- fix cof status on k-psul

kfet/views.py

@@ -17,7 +17,6 @@ from django.contrib.auth.decorators import login_required, permission_required
 from django.contrib.auth.models import User, Permission, Group
 from django.http import JsonResponse, Http404
 from django.forms import formset_factory
-from django.forms.models import model_to_dict
 from django.db import transaction
 from django.db.models import F, Sum, Prefetch, Count
 from django.db.models.functions import Coalesce
@@ -390,13 +389,11 @@ def account_read(request, trigramme):
         raise PermissionDenied
 
     if request.GET.get('format') == 'json':
-        data = model_to_dict(
-            account,
-            fields=['id', 'trigramme', 'firstname', 'lastname', 'email',
-                    'is_cof', 'promo', 'balance', 'is_frozen', 'departement',
-                    'nickname', 'trigramme']
-        )
-        data['name'] = account.name
+        export_keys = ['id', 'trigramme', 'first_name', 'last_name', 'name',
+                       'email', 'is_cof', 'promo', 'balance', 'is_frozen',
+                       'departement', 'nickname']
+        print(account.first_name)
+        data = {k: getattr(account, k) for k in export_keys}
         return JsonResponse(data)
 
     addcosts = (
@@ -663,20 +660,14 @@ class CheckoutRead(JSONResponseMixin, DetailView):
 
     def render_to_response(self, context, **kwargs):
         if self.request.GET.get('format') == 'json':
-            data = model_to_dict(
-                context['checkout'],
-                fields=['id', 'name', 'balance', 'valid_from', 'valid_to']
-            )
+            export_keys = ['id', 'name', 'balance', 'valid_from', 'valid_to']
+            data = {k: getattr(self.object, k) for k in export_keys}
             if 'laststatement' in context:
-                last_statement = context['laststatement']
-                last_statement_data = model_to_dict(
-                    last_statement,
-                    fields=['id', 'at', 'balance_new', 'balance_old', 'by']
-                )
-                last_statement_data['by'] = str(last_statement.by)
-                # ``at`` is not editable, so skipped by ``model_to_dict``
-                last_statement_data['at'] = last_statement.at
-                data['laststatement'] = last_statement_data
+                last_st = context['laststatement']
+                export_keys = ['id', 'at', 'balance_new', 'balance_old']
+                last_st_data = {k: getattr(last_st, k) for k in export_keys}
+                last_st_data['by'] = str(last_st.by)
+                data['laststatement'] = last_st_data
             return self.render_to_json_response(data)
         else:
             return super().render_to_response(context, **kwargs)