LIL-100 Fix handler

apps/course/views.py

@@ -23,10 +23,12 @@ def likes(request, course_id):
         course_user_likes = course.likes.filter(user=request.user)
         if course_user_likes.exists():
             is_liked = False
+            for _course in course_user_likes.all():
+                course.likes.remove(_course)
             course_user_likes.delete()
         else:
-            course.likes.add(Like.objects.create(user=request.user))
             is_liked = True
+            course.likes.add(Like.objects.create(user=request.user))
         count = course.likes.count()
         return JsonResponse({
             "success": True,