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111 lines
3.8 KiB
111 lines
3.8 KiB
from rest_framework.views import APIView
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from rest_framework.renderers import JSONRenderer
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from rest_framework.response import Response
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from access.serializers import ExtraPrivilegeSerializer
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from courses.models import Course, Vertex
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from access.models import Progress, ExtraPrivilege
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from courses.serializers import CourseDetailSerializer, CourseListSerializer, VertexSerializer, CourseTreeSerializer
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class TreeView(APIView):
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renderer_classes = (JSONRenderer,)
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status_code = 200
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@staticmethod
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def post(request):
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print(request)
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return Response(status=204)
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def get(self, request, slug):
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try:
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course = Course.objects.get(slug=slug)
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except Course.DoesNotExist:
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return Response("Course doesn't exist", status=404)
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res = CourseTreeSerializer(course).data
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if not request.user.is_authenticated():
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res['active_id'] = False
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res['extra_privilege'] = []
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return Response(res, self.status_code)
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try:
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res['active_id'] = Progress.objects.get(course=course, user=request.user).active_obj.id
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except Progress.DoesNotExist:
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res['active_id'] = False
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res['extra_privilege'] = [
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ExtraPrivilegeSerializer(i).data for i in ExtraPrivilege.objects.filter(
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user=request.user,
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subject__course=course,
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)
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]
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return Response(res, self.status_code)
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class CourseDetailView(APIView):
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renderer_classes = (JSONRenderer,)
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status_code = 200
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def get(self, request, pk):
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if not request.user.is_authenticated() and request.user.in_role in ['A']:
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return Response("Course detail access only for admin users", status=403)
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try:
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return Response(CourseDetailSerializer(Course.objects.get(id=pk)).data, self.status_code)
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except Course.DoesNotExist:
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return Response("Course doesn't exist", status=404)
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class CourseListView(APIView):
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renderer_classes = (JSONRenderer,)
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status_code = 200
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def get(self, request):
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if not request.user.is_authenticated() or (not request.user.is_staff or request.GET.get('staff') == 'true'):
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return Response([CourseListSerializer(i).data for i in Course.objects.all()], self.status_code)
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res = []
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for course in Course.objects.filter(public=True):
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if course.public:
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course_serialize = CourseListSerializer(course).data
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course_serialize['is_mine'] = False
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if request.user.is_authenticated() and Progress.objects.filter(course=course, user=request.user).exists():
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course_serialize['is_mine'] = True
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res.append(course_serialize)
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return Response(res, self.status_code)
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class VertexDetail(APIView):
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renderer_classes = (JSONRenderer,)
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@staticmethod
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def get(request, pk):
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status = int(request.GET.get('status', '200'))
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try:
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vertex = Vertex.objects.get(id=pk)
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except Vertex.DoesNotExist:
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return Response("Vertex doesn't exist", status=404)
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res_a = Response(VertexSerializer(vertex).data, status=200) if status == 200 else Response(status=204)
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if vertex.free:
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return res_a
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if not request.user.is_authenticated:
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return Response("Access to detail of vertex, exist only for authenticated users", status=403)
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if ExtraPrivilege.objects.filter(user=request.user, subject=vertex).exists():
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return res_a
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try:
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if not Progress.objects.get(course=vertex.course, user=request.user).is_access(vertex):
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return Response("permission denied", status=403)
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except Progress.DoesNotExist:
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return Response("permission denied", status=403)
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return res_a
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