def put(self, request, id, format=None):
if id.startswith('commentID='):
id = id[10:]
else:
return Response(
{'Invalid id of comment.'},
status=status.HTTP_404_NOT_FOUND)
serializer = CommentSerializer(data=request.data)
if serializer.is_valid() is False:
return Response({
'message': 'Cannnot update comment with provided information.'
}, status=status.HTTP_400_BAD_REQUEST)
comment = Comment.objects.filter(id=id).first()
if comment is None:
return Response(
{'No comment has that id.'},
status=status.HTTP_404_NOT_FOUND)
self.check_object_permissions(request, comment)
data = serializer.validated_data
comment.content = data.get('content')
comment.save()
return Response(data, status=status.HTTP_200_OK)
def index(request):
content = {
'user': unicode(request.user),
'auth': unicode(request.auth),
}
print 'User: '******'user']
print 'Auth: ', content['auth']
#node = Node.objects.get(node_user = content['user'])
#print 'Node: ', node
''' List all comments '''
''' TODO: Why is this returning comments? '''
if request.method == 'GET':
comments = Comment.objects.all()
serializer = CommentSerializer(comments, many=True)
return Response({"comments": serializer.data})
elif request.method == 'POST':
serializer = PostSerializer(data=request.data)
if serializer.is_valid():
serializer.save()
return Response(serializer.data, status=status.HTTP_201_CREATED)
return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)
def comments(self,request,pk):
if request.method == 'GET':
comments = self.get_object().comments
serializer = CommentSerializer(comments, context={'request': request}, many=True)
return Response(serializer.data)
else:
serializer = CommentSerializer(data=request.data)
if serializer.is_valid():
serializer.save(owner=self.request.user, target=Catch.objects.get(id=pk))
return Response(status=status.HTTP_204_NO_CONTENT)
def post(self, request, format=None):
'''
Multiple comment sentiment classification:
JSON_FORMAT:
See JSON_FORMAT_for_REST_Service.txt for details on input/output json format
'''
serializer = CommentSerializer()
print type(request.DATA)
json_response = JSONClassificationResponse()
deserialized = serializer.deserialize(request.DATA)
if deserialized:
return Response(json_response.classification_response(request.DATA), status=status.HTTP_200_OK)
return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)
def get(self, request, format=None):
'''
Single comment sentiment classification:
QUERY_PARAMS:
comment: string comment
classifier_type: 'SVM' or 'MNB'
classes: 2 or 5
'''
comment = request.QUERY_PARAMS.get('comment', 'comentario no encontrado :(')
classifier_type = request.QUERY_PARAMS.get('classifier_type','SVM')
no_classes = int(request.QUERY_PARAMS.get('no_classes', 5))
classify = Classification()
sentiment = classify.classify_comment(comment, classifier_type=classifier_type, no_classes=no_classes)
serializer = CommentSerializer()
serialized = serializer.serialize({comment:sentiment})
return Response(serialized)
def post(self, request, id, format=None):
if id.startswith('id='):
id = id[3:]
else:
return Response(
{'Invalid id of post.'},
status=status.HTTP_404_NOT_FOUND)
post = Post.objects.filter(id=id).first()
# post = Post.objects.get(id=id)
if post is None:
return Response(
{'No post with that id exists.'},
status=status.HTTP_404_NOT_FOUND)
serializer = CommentSerializer(data=request.data)
if serializer.is_valid():
data = serializer.validated_data
author = A2AUser.objects.get(user__username=request.user.username)
comment = Comment(parent=post, content=data.get('content'),
created_by=author)
comment.save()
# post.num_comments += 1
# post.save()
return Response(ExtraCommentSerializer(comment).data,
status=status.HTTP_201_CREATED)
return Response({
'status': 'Bad request',
'message': 'Comment could not be created with received data.'
}, status=status.HTTP_400_BAD_REQUEST)
class MovieSerializer(serializers.ModelSerializer):
genres = GenreSerializer(many=True, read_only=True)
actors = ActorSerializer(many=True, read_only=True)
comments = CommentSerializer(many=True, read_only=True)
class Meta:
model = Movie
fields = (
'm_id',
'adult',
'poster_path',
'title',
'overview',
'nation',
'vote_average',
'comment_score_sum',
'comment_score_average',
'release_date',
'video_path',
'genres',
'actors',
'comments',
'like_users',
)
class PostSerializer(serializers.ModelSerializer):
"""Detail serializer for the Post model"""
category = CategoryIdSerializer(read_only=True)
author = AuthorSerializer(read_only=True)
comments = CommentSerializer(many=True)
liked_readers = serializers.SerializerMethodField('get_liked_readers')
tags = serializers.SerializerMethodField('get_tags')
url = serializers.HyperlinkedIdentityField(view_name='post-detail')
class Meta:
model = Post
fields = '__all__'
def get_liked_readers(self, post_obj):
"""Get all readers' id who liked current post"""
readers = [reader.id for reader in post_obj.liked_posts.all()]
return readers
def get_tags(self, post_obj):
tags = [tag.name for tag in post_obj.tags.all()]
return tags
def comment_list(request):
"""
List all Comments, or create a new Comment.
"""
if request.method == 'GET':
Comments = Comment.objects.all()
serializer = CommentSerializer(Comments, many=True)
return JSONResponse(serializer.data)
elif request.method == 'POST':
data = JSONParser().parse(request)
serializer = CommentSerializer(data=data)
if serializer.is_valid():
serializer.save()
# return the whole list, rather than the single comment
Comments = Comment.objects.all()
serializer = CommentSerializer(Comments, many=True)
return JSONResponse(serializer.data, status=201)
return JSONResponse(serializer.errors, status=400)
def comment_details(request, pk, pk1):
'''
Change your comment for post pk, comment pk1. Input should be in the format:
{"body": "right your comment" }
'''
try: # Fectch the specific post
post = Post.objects.get(pk=pk)
#Update time_to_expire_field
t = post.time_to_expire() # get time to expire
t = timezone.timedelta(seconds=int(t))
serializer = PostSerializer(post)
queryset_comment = Comment.objects.filter(
post=serializer.data['id']
) # find all the comment related to a post
queryset_preference = Preference.objects.filter(
post=serializer.data['id']
) # find all the preference related to a post
update_time(queryset_comment, t, CommentSerializer)
update_time(queryset_preference, t, PreferenceSerializer)
except Post.DoesNotExist:
return Response('Post ' + str(pk) + ' Not found ')
try: # Fetch the specific preference
comment = Comment.objects.get(pk=pk1)
except Comment.DoesNotExist:
return Response('Comment ' + str(pk1) + ' Not found ')
if request.method == 'GET':
#Update time_to_expire_field
t = post.time_to_expire() # get time to expire
t = timezone.timedelta(seconds=int(t))
serializer = PostSerializer(post)
update_time(queryset_comment, t, CommentSerializer)
update_time(queryset_preference, t, PreferenceSerializer)
serializer_comm = CommentSerializer(comment)
r = {
'Post Title:': serializer.data['title'],
'Post Owner:': serializer.data['owner'],
'Post Status:': serializer.data['status'],
'Comment Detail': serializer_comm.data,
}
return Response(r)
elif request.method == 'PATCH':
t = post.time_to_expire() # get time to expire
t = timezone.timedelta(seconds=int(t))
serializer = PostSerializer(post)
update_time(queryset_comment, t, CommentSerializer)
update_time(queryset_preference, t, PreferenceSerializer)
if serializer.data[
'status'] == 'Live': # Allow preference modification only if the post is still Live
serializer_comm = CommentSerializer(comment)
data_mutable = request.data.copy() #make the QueryDict mutable
data_mutable[
'owner'] = request.user.id # set the current user as user
if data_mutable['owner'] == serializer_comm.data[
'owner']: # Allow modification only if the user is the owner of the preference
serializer_comm_new = CommentSerializer(comment,
data=data_mutable,
partial=True)
if serializer_comm_new.is_valid():
serializer_comm_new.save()
r = {
'Post Title:': serializer.data['title'],
'Post Owner:': serializer.data['owner'],
'Post Status:': serializer.data['status'],
'Comment Detail': serializer_comm_new.data,
}
return Response(r)
return Response(serializer_comm_new.errors)
else: # User not owner of the comment
return Response(
'Action denied, You are not the owner of this comment')
else: #Post expired
return Response('Action denied, Post has expired')
elif request.method == 'DELETE':
#Update time to expire
t = post.time_to_expire() # get time to expire
t = timezone.timedelta(seconds=int(t))
serializer = PostSerializer(post)
update_time(queryset_comment, t, CommentSerializer)
update_time(queryset_preference, t, PreferenceSerializer)
serializer_comm = CommentSerializer(comment)
if serializer.data[
'status'] == 'Live': # Allow preference modification only if the post is still Live
if request.user.id == serializer_comm.data[
'owner']: #he is the owner
comment.delete()
r = {
'message': 'Successfully Deleted',
}
return Response(r)
else:
return Response(
'Action can not performed! you are not owner of the comment. the owner Id is: '
+ str(serializer_comm.data['owner']))
else:
return Response('Action denied, Post has expired')
class StudySerializer(serializers.ModelSerializer):
url = serializers.HyperlinkedIdentityField(view_name='study-detail')
user = UserSerializer(read_only=True)
tags = serializers.SlugRelatedField(many=True,
read_only=True,
slug_field='name',
allow_null=True)
comment = CommentSerializer(many=True, read_only=True)
class Meta:
model = Study
fields = [
'id', 'url', 'user', 'title', 'body', 'tags', 'is_public',
'comment', 'registered_date', 'last_edit_date'
]
def __init__(self, *args, **kwargs):
super(StudySerializer, self).__init__(*args, **kwargs)
def create(self, validated_data):
user = None
request = self.context.get("request")
if request and hasattr(request, "user"):
user = request.user
if request and hasattr(request, "review_cycle_in_minute"):
study = Study.objects.create(
user=user,
title=validated_data['title'],
body=validated_data['body'],
is_public=validated_data['is_public'],
)
else:
study = Study.objects.create(
user=user,
title=validated_data['title'],
body=validated_data['body'],
is_public=validated_data['is_public'],
)
for item in request.data['tags']:
tag, created = Tag.objects.get_or_create(
name=item, is_public=validated_data['is_public'])
if created:
study.tags.add(tag)
return study
def update(self, study, validated_data):
study.title = validated_data.get('title', study.body)
study.body = validated_data.get('body', study.body)
study.is_public = validated_data.get('is_public', study.is_public)
tags_to_update = self.initial_data.get('tags')
temp = []
for tag in tags_to_update:
tag, created = Tag.objects.get_or_create(
name=tag, is_public=validated_data['is_public'])
temp.append(tag)
study.tags.set(temp)
return super(StudySerializer, self).update(study, validated_data)
def get_comments(self, obj):
content_type = obj.get_content_type
object_id = obj.id
comments = Comment.objects.filter_by_instance(obj)
return CommentSerializer(comments, many=True,
context=self.context).data
def comments(self, *args, **kwargs):
"""Get first level comments for entity"""
page = self.paginate_queryset(self.entity_comments_queryset)
serializer = CommentSerializer(page, many=True)
return self.get_paginated_response(serializer.data)
def get_comments(self, obj):
content_type = obj.get_content_type
object_id = obj.id
c_qs = Comment.objects.filter_by_instance(obj)
comments = CommentSerializer(c_qs, many=True).data
return comments
def post_comment(request, next=None, using=None):
"""
Post a comment.
HTTP POST is required. If ``POST['submit'] == "preview"`` or if there are
errors a preview template, ``comments/preview.html``, will be rendered.
"""
# Fill out some initial data fields from an authenticated user, if present
data = request.POST.copy()
if request.user.is_authenticated():
if not data.get('name', ''):
data["name"] = request.user.get_full_name() or request.user.get_username()
if not data.get('email', ''):
data["email"] = request.user.email
serializer = CommentSerializer(data)
# Look up the object we're trying to comment about
ctype = data.get("content_type")
object_pk = data.get("object_pk")
if ctype is None or object_pk is None:
return CommentPostBadRequest("Missing content_type or object_pk field.")
try:
model = models.get_model(*ctype.split(".", 1))
target = model._default_manager.using(using).get(pk=object_pk)
except TypeError:
return CommentPostBadRequest(
"Invalid content_type value: %r" % escape(ctype))
except AttributeError:
return CommentPostBadRequest(
"The given content-type %r does not resolve to a valid model." % \
escape(ctype))
except ObjectDoesNotExist:
return CommentPostBadRequest(
"No object matching content-type %r and object PK %r exists." % \
(escape(ctype), escape(object_pk)))
except (ValueError, ValidationError) as e:
return CommentPostBadRequest(
"Attempting go get content-type %r and object PK %r exists raised %s" % \
(escape(ctype), escape(object_pk), e.__class__.__name__))
# Do we want to preview the comment?
preview = "preview" in data
# Construct the comment form
form = comments.get_form()(target, data=data)
# Check security information
if form.security_errors():
return CommentPostBadRequest(
"The comment form failed security verification: %s" % \
escape(str(form.security_errors())))
# If there are errors or if we requested a preview show the comment
'''
if form.errors or preview:
template_list = [
# These first two exist for purely historical reasons.
# Django v1.0 and v1.1 allowed the underscore format for
# preview templates, so we have to preserve that format.
"comments/%s_%s_preview.html" % (model._meta.app_label, model._meta.module_name),
"comments/%s_preview.html" % model._meta.app_label,
# Now the usual directory based template hierarchy.
"comments/%s/%s/preview.html" % (model._meta.app_label, model._meta.module_name),
"comments/%s/preview.html" % model._meta.app_label,
"comments/preview.html",
]
return render_to_response(
template_list, {
"comment": form.data.get("comment", ""),
"form": form,
"next": data.get("next", next),
},
RequestContext(request, {})
)
'''
# Otherwise create the comment
comment = form.get_comment_object()
comment.ip_address = request.META.get("REMOTE_ADDR", None)
if request.user.is_authenticated():
comment.user = request.user
# Signal that the comment is about to be saved
responses = signals.comment_will_be_posted.send(
sender=comment.__class__,
comment=comment,
request=request
)
for (receiver, response) in responses:
if response == False:
return CommentPostBadRequest(
"comment_will_be_posted receiver %r killed the comment" % receiver.__name__)
if serializer.is_valid():
serializer.save()
return Response(serializer.data, status=status.HTTP_201_CREATED)
else:
return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)
'''
def comments(self, request, pk=None):
return Response(CommentSerializer(Item.objects.get(pk=pk).comment_set.order_by("-date"), many=True).data)
def get_comments(self, obj):
c_qs = Comment.objects.filter_by_instance(obj)
comments = CommentSerializer(c_qs, many=True).data
return comments
def post_comment(request, pk):
'''
Create a Comments to the post pk. Input should be in the format:
{"body": "right your comment" }
'''
try:
#Update time_to_expire_field
post = Post.objects.get(pk=pk)
t = post.time_to_expire() # get time to expire
t = timezone.timedelta(seconds=int(t))
serializer = PostSerializer(post)
queryset_comment = Comment.objects.filter(
post=serializer.data['id']
) # find all the comment related to a post
queryset_preference = Preference.objects.filter(
post=serializer.data['id']
) # find all the preference related to a post
update_time(queryset_comment, t, CommentSerializer)
update_time(queryset_preference, t, PreferenceSerializer)
except Post.DoesNotExist:
return Response('Post ' + str(pk) + ' Not found ')
if request.method == 'GET':
#Update time_to_expire_field
t = post.time_to_expire() # get time to expire
t = timezone.timedelta(seconds=int(t))
serializer = PostSerializer(post)
update_time(queryset_comment, t, CommentSerializer)
update_time(queryset_preference, t, PreferenceSerializer)
r = {
'Number of comments:': len(serializer.data['comments']),
'Data': serializer.data,
}
return Response(r)
elif request.method == 'POST':
#Update time_to_expire_field
t = post.time_to_expire() # get time to expire
t = timezone.timedelta(seconds=int(t))
serializer = PostSerializer(post)
update_time(queryset_comment, t, CommentSerializer)
update_time(queryset_preference, t, PreferenceSerializer)
if serializer.data[
'status'] == 'Live': # Allow post preference only if the post is still Live
# No limitation on the Ownership to comment
#No limitation on the number of time you can comments the same post
#Create Comment
data_mutable = request.data.copy() #make the QueryDict mutable
data_mutable['post'] = serializer.data['id']
data_mutable['time_to_expire'] = t
data_mutable[
'owner'] = request.user.id # set the current user as user
comm_serializer = CommentSerializer(data=data_mutable)
if comm_serializer.is_valid():
comm_serializer.save(
owner=request.user) # set the current user as user
r = {
'User ID': request.user.id,
'message': 'Successfully created comment',
'Data': comm_serializer.data,
}
return Response(r)
return Response(comm_serializer.errors)
else: # Post is expired
return Response('Action denied, Post has expired')
def __init__(self, *args, **kwargs):
super(PostSerializer, self).__init__(*args, **kwargs)
self.fields['comments'] = CommentSerializer(many=True,
read_only=True,
context=self.context)
def test_list_comments(self):
url = reverse("post-comment", kwargs={"pk": self.post3.pk})
response = self.client.get(url)
self.assertEqual(response.status_code, status.HTTP_200_OK)
serializer = CommentSerializer([self.comment2, self.comment1], many=True)
self.assertEqual(response.data["results"], serializer.data)
def comments(self, request, *args, **kwargs):
comment_list = Article.objects.get(pk=kwargs.get('pk')).comments.all()
comment_serializer = CommentSerializer(comment_list, many=True)
# json = JSONRenderer().render(comment_serializer.data)
return Response(comment_serializer.data)
def get_comments(self, object):
qs = Comment.objects.filter(
post = object
)
return CommentSerializer(qs, many = True).data
def comments(self, request, pk=None):
post = self.get_object()
queryset = (
post.comment_set.select_related('author').order_by('-created'))
serializer = CommentSerializer(queryset, many=True)
return Response(serializer.data)
def get(self, request, **kwargs):
comments = self.get_comments(request.data.get('sort_by'))[
int(kwargs['page']) * COMMENTS_PER_PAGE: (int(kwargs['page']) + 1) * COMMENTS_PER_PAGE]
serializer = CommentSerializer(comments, many=True)
return Response({'comment_tree': serializer.data}, template_name='comments/index.html')
def comments(self, request, pk=None):
reviews = Comment.objects.filter(parent_id=pk)
serializer = CommentSerializer(reviews, many=True)
return Response(serializer.data)
def get(self, request, **kwargs):
return Response(CommentSerializer(Comment.objects.get_comment(kwargs['id'])).data)
def get_comments(self, obj):
serializer = CommentSerializer(obj.comments.all().order_by("-created"),
many=True,
context=self.context)
return serializer.data
class PostCommentSerializer(serializers.HyperlinkedModelSerializer):
comments = CommentSerializer(many=True, read_only=True)
class Meta:
model = Post
fields = ('url', 'title', 'body', 'profile', 'comments')
