Move apps in main directory

Signed-off-by: Emmy D'Anello <emmy.danello@animath.fr>

logs/api/views.py

@@ -0,0 +1,28 @@
+# Copyright (C) 2018-2020 by BDE ENS Paris-Saclay
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+from django_filters.rest_framework import DjangoFilterBackend
+from rest_framework.filters import OrderingFilter
+from rest_framework.viewsets import ModelViewSet
+
+from .serializers import ChangelogSerializer
+from ..models import Changelog
+
+
+class ChangelogViewSet(ModelViewSet):
+    """
+    REST API View set.
+    The djangorestframework plugin will get all `Changelog` objects, serialize it to JSON with the given serializer,
+    then render it on /api/logs/
+    """
+
+    def check_permissions(self, request):
+        # Only superusers can get access to logs
+        return self.request.user and self.request.user.is_superuser
+
+    queryset = Changelog.objects.all()
+    serializer_class = ChangelogSerializer
+    filter_backends = [DjangoFilterBackend, OrderingFilter]
+    filterset_fields = ['model', 'action', "instance_pk", 'user', 'ip', ]
+    ordering_fields = ['timestamp', 'id', ]
+    ordering = ['-id', ]