Added widget to display global stats about the instance

modoboa/core/api/v2/serializers.py

@@ -692,3 +692,11 @@ class ThemeSerializer(serializers.Serializer):
     theme_primary_color_light = serializers.CharField(default="#3688F9")
     theme_secondary_color = serializers.CharField(default="#F18429")
     theme_label_color = serializers.CharField(default="#616161")
+
+
+class StatisticsSerializer(serializers.Serializer):
+
+    domain_count = serializers.IntegerField()
+    domain_alias_count = serializers.IntegerField()
+    account_count = serializers.IntegerField()
+    alias_count = serializers.IntegerField()

modoboa/core/api/v2/tests.py

@@ -658,3 +658,21 @@ class NewsFeedAPIViewTestCase(ModoAPITestCase):
         response = self.client.get(url)
         self.assertEqual(response.status_code, 200)
         self.assertIn("modoboa", response.json()[0]["link"])
+
+
+class StatisticsAPIViewTestCase(ModoAPITestCase):
+
+    @classmethod
+    def setUpTestData(cls):
+        """Create test data."""
+        super().setUpTestData()
+        factories.populate_database()
+
+    def test_get_statistics(self):
+        url = reverse("v2:statistics")
+        response = self.client.get(url)
+        self.assertEqual(response.status_code, 200)
+        stats = response.json()
+        self.assertEqual(stats["domain_count"], 2)
+        self.assertEqual(stats["account_count"], 5)
+        self.assertEqual(stats["alias_count"], 3)

modoboa/core/api/v2/urls.py

@@ -42,6 +42,11 @@ urlpatterns += [
         views.NewsFeedAPIView.as_view(),
         name="news-feed",
     ),
+    path(
+        "admin/statistics/",
+        views.StatisticsAPIView.as_view(),
+        name="statistics",
+    ),
     path("capabilities/", views.CapabilitiesAPIView.as_view(), name="capabilities"),
     path("theme/", views.ThemeAPIView.as_view(), name="theme"),
 ]

modoboa/core/api/v2/views.py

@@ -14,7 +14,8 @@ from drf_spectacular.utils import extend_schema
 from rest_framework import permissions, response
 from rest_framework.views import APIView
 
-from modoboa.core import signals
+from modoboa.admin import models as admin_models
+from modoboa.core import models, signals
 from modoboa.core.utils import check_for_updates, get_capabilities
 from modoboa.lib.permissions import IsSuperUser, IsPrivilegedUser
 from modoboa.lib.throttle import (
@@ -226,3 +227,21 @@ class NewsFeedAPIView(APIView):
 
         serializer = serializers.NewsFeedEntrySerializer(entries, many=True)
         return response.Response(serializer.data)
+
+
+class StatisticsAPIView(APIView):
+    """Return some statistics about this modoboa instance."""
+
+    permission_classes = [permissions.IsAuthenticated, IsSuperUser]
+    throttle_classes = [UserLesserDdosUser]
+
+    @extend_schema(responses=serializers.StatisticsSerializer())
+    def get(self, request, *args, **kwargs):
+        data = {
+            "domain_count": admin_models.Domain.objects.count(),
+            "domain_alias_count": admin_models.DomainAlias.objects.count(),
+            "account_count": models.User.objects.count(),
+            "alias_count": admin_models.Alias.objects.filter(internal=False).count(),
+        }
+        serializer = serializers.StatisticsSerializer(data)
+        return response.Response(serializer.data)