certificate admin views and serializers added

apps/certificate/serializers.py

@@ -47,4 +47,19 @@ class CertificateRequestSerializer(serializers.ModelSerializer):
         return Certificate.objects.create(student=user, course=course)
 
 
+class AdminCertificateSerializer(serializers.ModelSerializer):
+    student_name = serializers.CharField(source='student.fullname', read_only=True)
+    student_email = serializers.CharField(source='student.email', read_only=True)
+    course_title = serializers.CharField(source='course.title', read_only=True)
+
+    class Meta:
+        model = Certificate
+        fields = [
+            'id', 'student', 'student_name', 'student_email',
+            'course', 'course_title', 'status', 'certificate_file',
+            'created_at', 'updated_at'
+        ]
+
+
+
 

apps/certificate/urls.py

@@ -1,11 +1,14 @@
 
 
-from django.urls import path
-from .views import CertificateRequestView, UserCertificatesListView
-
+from django.urls import path, include
+from rest_framework.routers import DefaultRouter
+from .views import CertificateRequestView, UserCertificatesListView, AdminCertificateViewSet
 
+router = DefaultRouter()
+router.register(r'admin/certificates', AdminCertificateViewSet, basename='admin-certificates')
 
 urlpatterns = [
+    path('', include(router.urls)),
     path('request/', CertificateRequestView.as_view(), name='certificate-request'),
     path('my-certificates/', UserCertificatesListView.as_view(), name='user-certificates'),
 ]

apps/certificate/views.py

@@ -53,4 +53,44 @@ class UserCertificatesListView(generics.ListAPIView):
 
     def get_queryset(self):
         return Certificate.objects.filter(student=self.request.user).order_by('-created_at')
+
+
+from rest_framework.viewsets import ModelViewSet
+from rest_framework.permissions import IsAdminUser
+from apps.certificate.serializers import AdminCertificateSerializer
+from django.db.models import Q
+
+class AdminCertificateViewSet(ModelViewSet):
+    queryset = Certificate.objects.all()
+    serializer_class = AdminCertificateSerializer
+    permission_classes = [permissions.IsAuthenticated, IsAdminUser]
+    authentication_classes = [TokenAuthentication]
+
+    def get_queryset(self):
+        queryset = Certificate.objects.all().select_related('student', 'course')
+        
+        # Search query
+        search_query = self.request.query_params.get('search', None)
+        if search_query:
+            queryset = queryset.filter(
+                Q(student__fullname__icontains=search_query) |
+                Q(student__email__icontains=search_query) |
+                Q(course__title__icontains=search_query)
+            )
+
+        # Filters
+        status_param = self.request.query_params.get('status', None)
+        if status_param:
+            queryset = queryset.filter(status=status_param)
+
+        course_id = self.request.query_params.get('course', None)
+        if course_id:
+            queryset = queryset.filter(course_id=course_id)
+
+        student_id = self.request.query_params.get('student', None)
+        if student_id:
+            queryset = queryset.filter(student_id=student_id)
+
+        return queryset.order_by('-created_at')
+