def delete(self, request, format=None):
'''To remove upvote or downvote.
Takes comment_id and type.
# type 1: remove upvote
# type 2: remove downvote
returns the final comment object.'''
try:
print(request.GET)
comment = Comment.objects.get(
id=int(request.GET.get('comment_id')))
query_type = int(request.GET.get('type'))
print(comment, query_type)
if (query_type == 1):
remove_upvoter = request.user
comment.upvoters.remove(remove_upvoter)
comment.save()
serializer = CommentSerializer(comment, many=False)
return Response(serializer.data)
elif (query_type == 2):
remove_downvoter = request.user
comment.downvoters.remove(remove_downvoter)
comment.save()
serializer = CommentSerializer(comment, many=False)
return Response(serializer.data)
return Response({"error": "Type value is not defined."},
status=status.HTTP_400_BAD_REQUEST)
except Exception as e:
print(e)
return Response({"error": "Comment query doesn't exists."},
status=status.HTTP_400_BAD_REQUEST)
def post(self, request, format=None):
'''To post a comment on a resource
Takes resource_id, comment_id(if replying a comment), content
Returns resource with all comments'''
try:
resource = Resource.objects.get(id=request.data.get('resource_id'))
comment = Comment()
if request.data.get('comment_id'):
try:
comment.parent = Comment.objects.get(id=request.data.get('comment_id'))
comment.commenter = request.user
comment.comment_text = request.data.get('content')
comment.save()
except Exception as e:
return Response({
"error": "Comment query doesn't exists."
}, status=status.HTTP_400_BAD_REQUEST)
else:
comment.parent = None
comment.commenter = request.user
comment.comment_text = request.data.get('content')
comment.save()
resource.comments.add(comment)
resource.save()
allComments = resource.comments.all()
serialized_comments = CommentSerializer(allComments, many=True).data
serialized_resource = ResourceSerializer(resource, many=False).data
serialized_resource['comments'] = serialized_comments
return Response(serialized_resource)
except Exception as e:
return Response({
"error": "Resource query doesn't exists."
}, status=status.HTTP_400_BAD_REQUEST)
def get(self, request, format=None):
'''To get comment in an announcement.
Takes annoucement_id.
returns the announcement object with a list of comments.'''
try:
announcement = Announcement.objects.get(id=request.GET.get('id'))
if request.user.username == announcement.classroom.creator.username or request.user in announcement.classroom.moderators.all() or request.user in announcement.classroom.students.all():
announcement_serializer = AnnouncementSerializer(announcement, many=False).data
allcomments = announcement.comment.all()
print("Start")
comments_serialized=[]
for comment in allcomments:
serializedcomment = CommentSerializer(comment, many=False).data
if(request.user in comment.upvoters.all()):
serializedcomment['has_Upvoted']=1
else:
serializedcomment['has_Upvoted']=0
if(request.user in comment.downvoters.all()):
serializedcomment['has_Downvoted']=1
else:
serializedcomment['has_Downvoted']=0
comments_serialized.append(serializedcomment)
announcement_serializer['comments'] = comments_serialized
serializedclassroom = ClassroomSerializer(announcement.classroom, many=False)
announcement_serializer['classroom'] = serializedclassroom.data
return Response(announcement_serializer)
else:
return Response({
"error": "You aren't enrolled in this classroom."
}, status=status.HTTP_400_BAD_REQUEST)
except Exception as e:
return Response({
"error": "Announcement query doesn't exists."
}, status=status.HTTP_400_BAD_REQUEST)
def put(self, request, format=None):
'''To edit comment, add upvote or add a downvote.
Takes comment_id, type, comment_text(only if type=1)
# type 1: comment edit
# type 2: upvote
# type 3: downvote
returns the final comment object.'''
try:
comment = Comment.objects.get(id=request.data.get('comment_id'))
query_type = request.data.get('type')
if (query_type == 1):
if (comment.commenter == request.user):
comment.comment_text = request.data.get('comment_text')
comment.save()
serializer = CommentSerializer(comment, many=False)
return Response(serializer.data)
return Response({"error": "Can't edit this comment."},
status=status.HTTP_400_BAD_REQUEST)
elif (query_type == 2):
upvoter = request.user
comment.upvoters.add(upvoter)
print(comment)
comment.save()
serializer = CommentSerializer(comment, many=False)
return Response(serializer.data)
elif (query_type == 3):
downvoter = request.user
comment.downvoters.add(downvoter)
print(comment)
comment.save()
serializer = CommentSerializer(comment, many=False)
return Response(serializer.data)
return Response({"error": "Type value is not defined."},
status=status.HTTP_400_BAD_REQUEST)
except Exception as e:
return Response({"error": "Comment query doesn't exists."},
status=status.HTTP_400_BAD_REQUEST)
def get(self, request, format=None):
'''To get comments with upvoters, downvoters and its child.
Takes the comment_id.
return the comment object with list of upvoters, list of downvoters and list of its child'''
try:
comment = Comment.objects.get(id=request.GET.get('id'))
print(comment)
child_comments = comment.child_comment.all()
upvoters = comment.upvoters.all()
downvoters = comment.downvoters.all()
serialized_comments = CommentSerializer(child_comments,
many=True).data
serializer = CommentSerializer(comment, many=False).data
serialized_upvotes = UserSerializer(upvoters, many=True).data
serialized_downvoters = UserSerializer(downvoters, many=True).data
serializer['child'] = serialized_comments
serializer['upvoters'] = serialized_upvotes
serializer['downvoters'] = serialized_downvoters
print(serializer)
return Response(serializer)
except Exception as e:
return Response({"error": "Comment query doesn't exists."},
status=status.HTTP_400_BAD_REQUEST)
def post(self, request, format=None):
'''To post a comment on an assignment
Takes assignment_id, comment_id(if replying a comment), content
Returns assignment with comments'''
assignment_id = request.data.get('assignment_id')
try:
assignment = Assignment.objects.get(id=assignment_id)
if request.user.username == assignment.classroom.creator.username or request.user in assignment.classroom.moderators.all() or request.user in assignment.classroom.students.all():
comment = Comment()
if request.data.get('comment_id'):
try:
comment.parent = Comment.objects.get(id=request.data.get('comment_id'))
comment.commenter = request.user
comment.comment_text = request.data.get('content')
comment.save()
except Exception as e:
return Response({
"error": "Comment query doesn't exists."
}, status=status.HTTP_400_BAD_REQUEST)
else:
comment.parent = None
comment.commenter = request.user
comment.comment_text = request.data.get('content')
comment.save()
assignment.comments.add(comment)
assignment.save()
allComments = assignment.comments.all()
serialized_comments = CommentSerializer(allComments, many=True).data
serialized_assignment = AssignmentSerializer(assignment, many=False).data
serialized_assignment['comments'] = serialized_comments
return Response(serialized_assignment)
else:
return Response({
"error": "You aren't enrolled in this classroom."
}, status=status.HTTP_400_BAD_REQUEST)
except Exception as e:
return Response({
"error": "Assignment query doesn't exists."
}, status=status.HTTP_400_BAD_REQUEST)
def get(self, request, format=None):
'''To get all comments on an assignment
Takes assignment_id
Returns all comments with assignment'''
assignment_id = request.GET.get('assignment_id')
try:
assignment = Assignment.objects.get(id=assignment_id)
if request.user.username == assignment.classroom.creator.username or request.user in assignment.classroom.moderators.all() or request.user in assignment.classroom.students.all():
allComments = assignment.comments.all()
serialized_comments = CommentSerializer(allComments, many=True).data
serialized_assignment = AssignmentSerializer(assignment, many=False).data
serialized_assignment['comments'] = serialized_comments
return Response(serialized_assignment)
else:
return Response({
"error": "You aren't enrolled in this classroom."
}, status=status.HTTP_400_BAD_REQUEST)
except Exception as e:
return Response({
"error": "Assignment query doesn't exists."
}, status=status.HTTP_400_BAD_REQUEST)
def get(self, request, format=None):
'''To get all comments on a resource
Takes resource_id
Returns resource with all comments'''
try:
resource = Resource.objects.get(id=request.GET.get('resource_id'))
if request.user.username == resource.classroom.creator or request.user in resource.classroom.moderators.all() or request.user in resource.classroom.students.all():
allComments = resource.comments.all()
serialized_comments = CommentSerializer(allComments, many=True).data
serialized_resource = ResourceSerializer(resource, many=False).data
serialized_resource['comments'] = serialized_comments
return Response(serialized_resource)
else:
return Response({
"error": "You can't see this resource."
}, status=status.HTTP_400_BAD_REQUEST)
except Exception as e:
print(e)
return Response({
"error": "Resource query doesn't exists."
}, status=status.HTTP_400_BAD_REQUEST)