示例#1
0
class NodeContributorsCreateSerializer(NodeContributorsSerializer):
    """
    Overrides NodeContributorsSerializer to add target_type field
    """
    target_type = TargetTypeField(target_type='users')

    def create(self, validated_data):
        auth = Auth(self.context['request'].user)
        node = self.context['view'].get_node()
        contributor = get_object_or_error(User,
                                          validated_data['_id'],
                                          display_name='user')
        # Node object checks for contributor existence but can still change permissions anyway
        if contributor in node.contributors:
            raise exceptions.ValidationError(
                '{} is already a contributor'.format(contributor.fullname))

        bibliographic = validated_data['bibliographic']
        permissions = osf_permissions.expand_permissions(
            validated_data.get('permission')
        ) or osf_permissions.DEFAULT_CONTRIBUTOR_PERMISSIONS
        node.add_contributor(contributor=contributor,
                             auth=auth,
                             visible=bibliographic,
                             permissions=permissions,
                             save=True)
        contributor.permission = osf_permissions.reduce_permissions(
            node.get_permissions(contributor))
        contributor.bibliographic = node.get_visible(contributor)
        contributor.node_id = node._id
        return contributor
示例#2
0
class NodeLinksSerializer(JSONAPISerializer):

    id = IDField(source='_id')
    type = TypeField()
    target_type = TargetTypeField(target_type='nodes')

    # TODO: We don't show the title because the current user may not have access to this node. We may want to conditionally
    # include this field in the future.
    # title = ser.CharField(read_only=True, source='node.title', help_text='The title of the node that this Node Link '
    #                                                                      'points to')

    target_node = RelationshipField(
        related_view='nodes:node-detail',
        related_view_kwargs={'node_id': '<pk>'},
        always_embed=True

    )
    class Meta:
        type_ = 'node_links'

    links = LinksField({
        'self': 'get_absolute_url'
    })

    def get_absolute_url(self, obj):
        node_id = self.context['request'].parser_context['kwargs']['node_id']
        return absolute_reverse(
            'nodes:node-pointer-detail',
            kwargs={
                'node_id': node_id,
                'node_link_id': obj._id
            }
        )

    def create(self, validated_data):
        request = self.context['request']
        user = request.user
        auth = Auth(user)
        node = self.context['view'].get_node()
        target_node_id = validated_data['_id']
        pointer_node = Node.load(target_node_id)
        if not pointer_node or pointer_node.is_folder:
            raise InvalidModelValueError(
                source={'pointer': '/data/relationships/node_links/data/id'},
                detail='Target Node \'{}\' not found.'.format(target_node_id)
            )
        try:
            pointer = node.add_pointer(pointer_node, auth, save=True)
            return pointer
        except ValueError:
            raise InvalidModelValueError(
                source={'pointer': '/data/relationships/node_links/data/id'},
                detail='Target Node \'{}\' already pointed to by \'{}\'.'.format(target_node_id, node._id)
            )

    def update(self, instance, validated_data):
        pass