feat lesson completion

apps/course/urls.py

@@ -9,6 +9,8 @@ urlpatterns = [
     path('categories/', views.CourseCategoryAPIView.as_view(), name='course-categories'),
     path('', views.CourseListAPIView.as_view(), name='course-list'),
     path('my-courses/', views.MyCourseListAPIView.as_view(), name='course-my-courses-list'),
+    path('lesson/completion/', views.LessonCompletionCreateAPIView.as_view(), name='lesson-completion'),
+    
     path('<slug:slug>/', views.CourseDetailAPIView.as_view(), name='course-detail'),
     path('<slug:slug>/attachments/', views.AttachmentListAPIView.as_view(), name='course-attachment-list'),
     path('<slug:slug>/glossaries/', views.GlossaryListAPIView.as_view(), name='course-glossary-list'),
@@ -16,6 +18,7 @@ urlpatterns = [
     path('lesson/<int:id>/', views.LessonDetailView.as_view(), name='lesson-detail'),
 
     path('<slug:slug>/participants/', views.CourseParticipantsView.as_view(), name='course-participant-list'),
+
     
     # path('<slug:slug>/participant/join/', views.ParticipantCreateView.as_view(), name='course-participant-join'),
 

apps/course/views/lesson.py

@@ -1,4 +1,4 @@
-from rest_framework.generics import ListAPIView, RetrieveAPIView
+from rest_framework.generics import ListAPIView, RetrieveAPIView, GenericAPIView
 
 from drf_yasg.utils import swagger_auto_schema
 from drf_yasg import openapi
@@ -9,9 +9,10 @@ from rest_framework.response import Response
 from apps.course.serializers import (
     LessonSerializer
 )
-from apps.course.models import Course, Lesson
+from apps.course.models import Course, Lesson, LessonCompletion
 from apps.course.doc import *
 from utils.exceptions import AppAPIException 
+from rest_framework.permissions import IsAuthenticated
 
 
 
@@ -80,3 +81,28 @@ class LessonDetailView(RetrieveAPIView):
 
         return Response(lesson_data)
 
+
+
+class LessonCompletionCreateAPIView(GenericAPIView):
+    permission_classes = [IsAuthenticated]
+
+    def post(self, request):
+        student = request.user  # Assuming the user is the student
+        lesson_id = request.data.get('lesson_id')
+
+        if not lesson_id:
+            return Response({'error': 'Lesson ID is required.'}, status=status.HTTP_400_BAD_REQUEST)
+        try:
+            lesson = Lesson.objects.get(id=lesson_id)
+        except Lesson.DoesNotExist:
+            return Response({'error': 'Lesson not found.'}, status=status.HTTP_404_NOT_FOUND)
+
+        # Check if the lesson is already completed by the student
+        if LessonCompletion.objects.filter(student=student, lesson=lesson).exists():
+            return Response({'message': 'Lesson already completed.'}, status=status.HTTP_200_OK)
+
+        # Create a new completion record
+        completion = LessonCompletion(student=student, lesson=lesson)
+        completion.save()
+
+        return Response({'message': 'Lesson completed successfully.'}, status=status.HTTP_201_CREATED)