add: add dashboard apis

core/apps/admin_panel/serializers/user.py

@@ -9,7 +9,7 @@ class UserSerializer(serializers.ModelSerializer):
     class Meta:
         model = User
         fields = [
-            'id', 'first_name', 'last_name', 'username', 'password'
+            'id', 'first_name', 'last_name', 'username', 'password', 'last_login', 'date_joined'
         ]
         extra_kwargs = {'id': {'read_only': True}, 'password': {'write_only': True}}
 

core/apps/admin_panel/urls.py

@@ -6,7 +6,7 @@ from core.apps.admin_panel.views import unity as unity_views
 from core.apps.admin_panel.views import category as category_views
 from core.apps.admin_panel.views import product as product_views
 from core.apps.admin_panel.views import order as order_views
-
+from core.apps.admin_panel.views import dashboard as dashboard_views
 
 urlpatterns = [
     path('user/', include(
@@ -59,5 +59,11 @@ urlpatterns = [
         [
             path('list/', order_views.OrderListApiView.as_view()),
         ]
+    )),
+    path('dashboard/', include(
+        [
+            path('statistics/', dashboard_views.DashboardApiView.as_view()),
+            path('recent_activity/', dashboard_views.RecentActivityApiView.as_view()),
+        ]
     ))
 ]

core/apps/admin_panel/views/dashboard.py

@@ -0,0 +1,51 @@
+from django.db.models import Sum
+from django.utils import timezone
+
+from rest_framework import generics, views
+from rest_framework.permissions import IsAdminUser
+
+from core.apps.orders.models import Order
+from core.apps.accounts.models import User
+from core.apps.admin_panel.serializers.user import UserSerializer
+from core.apps.products.models import Product, Category
+from core.apps.shared.mixins.response import ResponseMixin
+
+
+class DashboardApiView(views.APIView, ResponseMixin):
+    permission_classes = [IsAdminUser]
+
+    def get(self, request):
+        products = Product.objects.count()
+        users = User.objects.count()
+        orders = Order.objects.count()
+        total_price = (
+            Order.objects.\
+            filter(created_at__month=timezone.now().month)\
+            .aggregate(total_price=Sum('total_price'))
+        )
+        categories = Category.objects.count()
+        return self.success_response(
+            data={
+                'products': products,
+                'users': users,
+                'orders': orders,
+                'total_price': total_price,
+                'categories': categories
+            },
+            message='dashboard uchun malumotlar statistikasi'
+        )
+    
+
+class RecentActivityApiView(generics.GenericAPIView, ResponseMixin):
+    serializer_class = UserSerializer
+    queryset = User.objects.order_by('last_login')
+    permission_classes = [IsAdminUser]
+
+    def get(self, request):
+        users = self.queryset[:6]
+        serializer = self.serializer_class(users, many=True)
+        return self.success_response(
+            data=serializer.data,
+            message='oxirgi kirishlar'
+        )
+