def add_concept(self, request, pk=None):
group = get_object_or_404(Group, pk=pk)
self.check_object_permissions(request, group.course)
serializer = ConceptSerializer(data=request.DATA)
if serializer.is_valid():
document = Document(
title='dummy',
description='dummy'
)
document.save()
concept = Concept(
group=group,
title_document=document,
title=serializer.data['title'],
description=serializer.data['description']
)
if request.FILES != {}:
concept.image = request.FILES['image']
concept.save()
group.playlist = playlist.append(concept.id, group.playlist)
group.save()
return Response(ConceptSerializer(concept).data)
else:
content = serializer.errors
return Response(content, status.HTTP_400_BAD_REQUEST)
def add_existing_quiz(self, request, pk=None):
concept = get_object_or_404(Concept, pk=pk)
self.check_object_permissions(request, concept.group.course)
quiz = get_object_or_404(Quiz, int(request.DATA['pk']))
concept.playlist = typed_playlist.append(quiz.id, concept.playlist, 1)
concept.quizzes.add(quiz)
concept.save()
return Response(ConceptSerializer(concept).data)
def add_existing_document(self, request, pk=None):
concept = get_object_or_404(Concept, pk=pk)
self.check_object_permissions(request, concept.group.course)
document = get_object_or_404(Document, int(request.DATA['pk']))
concept.playlist = typed_playlist.append(document.id, concept.playlist,
2)
concept.pages.add(document)
concept.save()
return Response(ConceptSerializer(concept).data)
def add_concept(self, request, pk=None):
group = get_object_or_404(Group, pk=pk)
self.check_object_permissions(request, group.course)
serializer = ConceptSerializer(data=request.DATA)
if serializer.is_valid():
document = Document(title='dummy', description='dummy')
document.save()
concept = Concept(group=group,
title_document=document,
title=serializer.data['title'],
description=serializer.data['description'])
if request.FILES != {}:
concept.image = request.FILES['image']
concept.save()
group.playlist = playlist.append(concept.id, group.playlist)
group.save()
return Response(ConceptSerializer(concept).data)
else:
content = serializer.errors
return Response(content, status.HTTP_400_BAD_REQUEST)
def concepts(self, request, pk=None):
"""
Function to get all the concepts in a course
"""
group = get_object_or_404(Group, pk=pk)
self.check_object_permissions(request=request, obj=group.course)
concepts = Concept.objects.filter(group=group)
serializer = ConceptSerializer(concepts, many=True)
if len(serializer.data) == 0:
return Response([])
_playlist = playlist.to_array(group.playlist)
N = len(_playlist)
ordered_data = [""] * N
for i in range(N):
ordered_data[i] = serializer.data[_playlist[i][1]]
return Response(ordered_data)
def published_concepts(self, request, pk=None):
"""
Function to get all the concepts in a course
"""
group = get_object_or_404(Group, pk=pk)
self.check_object_permissions(request=request, obj=group.course)
concepts = Concept.objects.filter(group=group)
_playlist = playlist.to_array(group.playlist)
N = len(_playlist)
ordered_data = []
for i in range(N):
concept = concepts[_playlist[i][1]]
if concept.is_published:
# TODO: check if append does not take O(n) time
ordered_data.append(concept)
serializer = ConceptSerializer(ordered_data, many=True)
return Response(serializer.data)
def delete_element(self, request, pk=None):
concept = get_object_or_404(Concept, pk=pk)
self.check_object_permissions(request, concept.group.course)
_id = int(request.DATA['id'])
_type = int(request.DATA['type'])
print "old playlist was : ", concept.playlist
print "will delete ", _id, " ", _type
new_playlist = typed_playlist.delete(concept.playlist, _id, _type)
print "new plalist is : ", new_playlist
if new_playlist is not False:
concept.playlist = new_playlist
if _type == 0:
self.remove_video(concept, _id)
elif _type == 1:
self.remove_quiz(concept, _id)
elif _type == 2:
self.remove_document(concept, _id)
concept.save()
return Response(ConceptSerializer(concept).data)
def add_element(self, request, pk=None):
concept = get_object_or_404(Concept, pk=pk)
self.check_object_permissions(request, concept.group.course)
concept.playlist.append()
return Response(ConceptSerializer(concept))