Ejemplo n.º 1
0
class PreprintSerializer(TaxonomizableSerializerMixin, MetricsSerializerMixin,
                         JSONAPISerializer):
    filterable_fields = frozenset([
        'id',
        'date_created',
        'date_modified',
        'date_published',
        'original_publication_date',
        'provider',
        'is_published',
        'subjects',
        'reviews_state',
        'node_is_public',
    ])
    available_metrics = frozenset([
        'downloads',
        'views',
    ])

    id = IDField(source='_id', read_only=True)
    type = TypeField()

    date_created = VersionedDateTimeField(source='created', read_only=True)
    date_modified = VersionedDateTimeField(source='modified', read_only=True)
    date_published = VersionedDateTimeField(read_only=True)
    original_publication_date = VersionedDateTimeField(required=False,
                                                       allow_null=True)
    doi = ser.CharField(source='article_doi', required=False, allow_null=True)
    title = ser.CharField(required=True, max_length=512)
    description = ser.CharField(required=False,
                                allow_blank=True,
                                allow_null=True)
    is_published = NoneIfWithdrawal(ser.BooleanField(required=False))
    is_preprint_orphan = NoneIfWithdrawal(ser.BooleanField(read_only=True))
    license_record = NodeLicenseSerializer(required=False, source='license')
    tags = JSONAPIListField(child=NodeTagField(), required=False)
    node_is_public = ser.BooleanField(
        read_only=True,
        source='node__is_public',
        help_text='Is supplementary project public?')
    preprint_doi_created = NoneIfWithdrawal(
        VersionedDateTimeField(read_only=True))
    date_withdrawn = VersionedDateTimeField(read_only=True, allow_null=True)
    withdrawal_justification = HideIfNotWithdrawal(
        ser.CharField(required=False, read_only=True, allow_blank=True))
    current_user_permissions = ser.SerializerMethodField(
        help_text='List of strings representing the permissions '
        'for the current user on this preprint.', )
    public = ser.BooleanField(source='is_public',
                              required=False,
                              read_only=True)
    contributors = RelationshipField(
        related_view='preprints:preprint-contributors',
        related_view_kwargs={'preprint_id': '<_id>'},
    )
    reviews_state = ser.CharField(source='machine_state',
                                  read_only=True,
                                  max_length=15)
    date_last_transitioned = NoneIfWithdrawal(
        VersionedDateTimeField(read_only=True))

    citation = NoneIfWithdrawal(
        RelationshipField(
            related_view='preprints:preprint-citation',
            related_view_kwargs={'preprint_id': '<_id>'},
        ))

    identifiers = NoneIfWithdrawal(
        RelationshipField(
            related_view='preprints:identifier-list',
            related_view_kwargs={'preprint_id': '<_id>'},
        ))

    node = NoneIfWithdrawal(
        NodeRelationshipField(
            related_view='nodes:node-detail',
            related_view_kwargs={'node_id': '<node._id>'},
            read_only=False,
            many=False,
            self_view='preprints:preprint-node-relationship',
            self_view_kwargs={'preprint_id': '<_id>'},
        ))

    license = PreprintLicenseRelationshipField(
        related_view='licenses:license-detail',
        related_view_kwargs={'license_id': '<license.node_license._id>'},
        read_only=False,
    )

    provider = PreprintProviderRelationshipField(
        related_view='providers:preprint-providers:preprint-provider-detail',
        related_view_kwargs={'provider_id': '<provider._id>'},
        read_only=False,
    )

    files = NoneIfWithdrawal(
        RelationshipField(
            related_view='preprints:preprint-storage-providers',
            related_view_kwargs={'preprint_id': '<_id>'},
        ))

    primary_file = NoneIfWithdrawal(
        PrimaryFileRelationshipField(
            related_view='files:file-detail',
            related_view_kwargs={'file_id': '<primary_file._id>'},
            read_only=False,
        ))

    review_actions = RelationshipField(
        related_view='preprints:preprint-review-action-list',
        related_view_kwargs={'preprint_id': '<_id>'},
    )

    requests = NoneIfWithdrawal(
        RelationshipField(
            related_view='preprints:preprint-request-list',
            related_view_kwargs={'preprint_id': '<_id>'},
        ))

    links = LinksField(
        {
            'self': 'get_preprint_url',
            'html': 'get_absolute_html_url',
            'doi': 'get_article_doi_url',
            'preprint_doi': 'get_preprint_doi_url',
        }, )

    class Meta:
        type_ = 'preprints'

    def get_preprint_url(self, obj):
        return absolute_reverse(
            'preprints:preprint-detail',
            kwargs={
                'preprint_id':
                obj._id,
                'version':
                self.context['request'].parser_context['kwargs']['version']
            })

    def get_absolute_url(self, obj):
        return self.get_preprint_url(obj)

    def get_article_doi_url(self, obj):
        return 'https://doi.org/{}'.format(
            obj.article_doi) if obj.article_doi else None

    def get_current_user_permissions(self, obj):
        user = self.context['request'].user
        all_perms = ['read', 'write', 'admin']
        user_perms = []
        for p in all_perms:
            if obj.has_permission(user, p):
                user_perms.append(p)
        return user_perms

    def get_preprint_doi_url(self, obj):
        doi = None
        doi_identifier = obj.get_identifier('doi')
        if doi_identifier:
            doi = doi_identifier.value
        # if a preprint hasn't been published yet, don't show the DOI prematurely
        elif obj.is_published:
            client = obj.get_doi_client()
            doi = client.build_doi(preprint=obj) if client else None
        return 'https://doi.org/{}'.format(doi) if doi else None

    def update(self, preprint, validated_data):
        assert isinstance(
            preprint,
            Preprint), 'You must specify a valid preprint to be updated'

        auth = get_user_auth(self.context['request'])
        if not preprint.has_permission(auth.user, osf_permissions.WRITE):
            raise exceptions.PermissionDenied(
                detail=
                'User must have admin or write permissions to update a preprint.'
            )

        published = validated_data.pop('is_published', None)
        if published and preprint.provider.is_reviewed:
            raise Conflict(
                '{} uses a moderation workflow, so preprints must be submitted for review instead of published directly. Submit a preprint by creating a `submit` Action at {}'
                .format(
                    preprint.provider.name,
                    absolute_reverse(
                        'preprints:preprint-review-action-list',
                        kwargs={
                            'version':
                            self.context['request'].parser_context['kwargs']
                            ['version'],
                            'preprint_id':
                            preprint._id,
                        },
                    ),
                ))

        save_preprint = False
        recently_published = False

        primary_file = validated_data.pop('primary_file', None)
        if primary_file:
            self.set_field(preprint.set_primary_file, primary_file, auth)
            save_preprint = True

        old_tags = set(preprint.tags.values_list('name', flat=True))
        if 'tags' in validated_data:
            current_tags = set(validated_data.pop('tags', []))
        elif self.partial:
            current_tags = set(old_tags)
        else:
            current_tags = set()

        for new_tag in (current_tags - old_tags):
            preprint.add_tag(new_tag, auth=auth)
        for deleted_tag in (old_tags - current_tags):
            preprint.remove_tag(deleted_tag, auth=auth)

        if 'node' in validated_data:
            node = validated_data.pop('node', None)
            self.set_field(preprint.set_supplemental_node, node, auth)
            save_preprint = True

        if 'subjects' in validated_data:
            subjects = validated_data.pop('subjects', None)
            self.set_field(preprint.set_subjects, subjects, auth)
            save_preprint = True

        if 'title' in validated_data:
            title = validated_data['title']
            self.set_field(preprint.set_title, title, auth)
            save_preprint = True

        if 'description' in validated_data:
            description = validated_data['description']
            self.set_field(preprint.set_description, description, auth)
            save_preprint = True

        if 'article_doi' in validated_data:
            preprint.article_doi = validated_data['article_doi']
            save_preprint = True

        if 'license_type' in validated_data or 'license' in validated_data:
            license_details = get_license_details(preprint, validated_data)
            self.set_field(preprint.set_preprint_license, license_details,
                           auth)
            save_preprint = True

        if 'original_publication_date' in validated_data:
            preprint.original_publication_date = validated_data[
                'original_publication_date'] or None
            save_preprint = True

        if published is not None:
            if not preprint.primary_file:
                raise exceptions.ValidationError(
                    detail=
                    'A valid primary_file must be set before publishing a preprint.'
                )
            self.set_field(preprint.set_published, published, auth)
            save_preprint = True
            recently_published = published
            preprint.set_privacy('public', log=False, save=True)

        if save_preprint:
            preprint.save()

        if recently_published:
            for author in preprint.contributors:
                if author != auth.user:
                    project_signals.contributor_added.send(
                        preprint,
                        contributor=author,
                        auth=auth,
                        email_template='preprint')

        return preprint

    def set_field(self, func, val, auth, save=False):
        try:
            func(val, auth)
        except PermissionsError as e:
            raise exceptions.PermissionDenied(detail=str(e))
        except (ValueError, ValidationError, NodeStateError) as e:
            raise exceptions.ValidationError(detail=e.message)
Ejemplo n.º 2
0
class PreprintSerializer(TaxonomizableSerializerMixin, JSONAPISerializer):
    filterable_fields = frozenset([
        'id',
        'date_created',
        'date_modified',
        'date_published',
        'original_publication_date',
        'provider',
        'is_published',
        'subjects',
        'reviews_state',
        'node_is_public',
    ])

    id = IDField(source='_id', read_only=True)
    type = TypeField()

    date_created = VersionedDateTimeField(source='created', read_only=True)
    date_modified = VersionedDateTimeField(source='modified', read_only=True)
    date_published = VersionedDateTimeField(read_only=True)
    original_publication_date = VersionedDateTimeField(required=False)
    doi = ser.CharField(source='article_doi', required=False, allow_null=True)
    title = ser.CharField(source='node.title', required=False)
    description = ser.CharField(required=False,
                                allow_blank=True,
                                allow_null=True,
                                source='node.description')
    date_withdrawn = VersionedDateTimeField(read_only=True, allow_null=True)
    withdrawal_justification = HideIfNotWithdrawal(
        ser.CharField(required=False, read_only=True, allow_blank=True))
    is_published = NoneIfWithdrawal(ser.BooleanField(required=False))
    is_preprint_orphan = NoneIfWithdrawal(ser.BooleanField(read_only=True))
    license_record = NodeLicenseSerializer(required=False, source='license')
    tags = JSONAPIListField(child=NodeTagField(),
                            required=False,
                            source='node.tags')
    node_is_public = NoneIfWithdrawal(
        ser.BooleanField(read_only=True, source='node__is_public'))
    preprint_doi_created = NoneIfWithdrawal(
        VersionedDateTimeField(read_only=True))

    contributors = RelationshipField(
        related_view='nodes:node-contributors',
        related_view_kwargs={'node_id': '<node._id>'},
    )
    reviews_state = NoneIfWithdrawal(
        ser.CharField(source='machine_state', read_only=True, max_length=15))
    date_last_transitioned = NoneIfWithdrawal(
        VersionedDateTimeField(read_only=True))

    citation = NoneIfWithdrawal(
        RelationshipField(related_view='preprints:preprint-citation',
                          related_view_kwargs={'preprint_id': '<_id>'}))

    identifiers = NoneIfWithdrawal(
        RelationshipField(related_view='preprints:identifier-list',
                          related_view_kwargs={'preprint_id': '<_id>'}))

    node = NoneIfWithdrawal(
        NodeRelationshipField(related_view='nodes:node-detail',
                              related_view_kwargs={'node_id': '<node._id>'},
                              read_only=False))

    license = PreprintLicenseRelationshipField(
        related_view='licenses:license-detail',
        related_view_kwargs={'license_id': '<license.node_license._id>'},
        read_only=False)

    provider = NoneIfWithdrawal(
        PreprintProviderRelationshipField(
            related_view=
            'providers:preprint-providers:preprint-provider-detail',
            related_view_kwargs={'provider_id': '<provider._id>'},
            read_only=False))

    files = NoneIfWithdrawal(
        RelationshipField(related_view='nodes:node-providers',
                          related_view_kwargs={'node_id': '<_id>'}))

    primary_file = NoneIfWithdrawal(
        PrimaryFileRelationshipField(
            related_view='files:file-detail',
            related_view_kwargs={'file_id': '<primary_file._id>'},
            read_only=False))

    review_actions = NoneIfWithdrawal(
        RelationshipField(related_view='preprints:preprint-review-action-list',
                          related_view_kwargs={'preprint_id': '<_id>'}))

    links = LinksField({
        'self': 'get_preprint_url',
        'html': 'get_absolute_html_url',
        'doi': 'get_article_doi_url',
        'preprint_doi': 'get_preprint_doi_url'
    })

    class Meta:
        type_ = 'preprints'

    def get_preprint_url(self, obj):
        return absolute_reverse(
            'preprints:preprint-detail',
            kwargs={
                'preprint_id':
                obj._id,
                'version':
                self.context['request'].parser_context['kwargs']['version']
            })

    def get_absolute_url(self, obj):
        return self.get_preprint_url(obj)

    def get_article_doi_url(self, obj):
        return 'https://doi.org/{}'.format(
            obj.article_doi) if obj.article_doi else None

    def get_preprint_doi_url(self, obj):
        doi = None
        doi_identifier = obj.get_identifier('doi')
        if doi_identifier:
            doi = doi_identifier.value
        # if a preprint hasn't been published yet, don't show the DOI prematurely
        elif obj.is_published:
            client = obj.get_doi_client()
            doi = client.build_doi(preprint=obj) if client else None
        return 'https://doi.org/{}'.format(doi) if doi else None

    def update(self, preprint, validated_data):
        assert isinstance(
            preprint,
            PreprintService), 'You must specify a valid preprint to be updated'
        assert isinstance(
            preprint.node, Node
        ), 'You must specify a preprint with a valid node to be updated.'

        auth = get_user_auth(self.context['request'])
        if not preprint.node.has_permission(auth.user, 'admin'):
            raise exceptions.PermissionDenied(
                detail='User must be an admin to update a preprint.')

        published = validated_data.pop('is_published', None)
        if published and preprint.provider.is_reviewed:
            raise Conflict(
                '{} uses a moderation workflow, so preprints must be submitted for review instead of published directly. Submit a preprint by creating a `submit` Action at {}'
                .format(
                    preprint.provider.name,
                    absolute_reverse(
                        'preprints:preprint-review-action-list',
                        kwargs={
                            'version':
                            self.context['request'].parser_context['kwargs']
                            ['version'],
                            'preprint_id':
                            preprint._id
                        })))

        save_node = False
        save_preprint = False
        recently_published = False
        primary_file = validated_data.pop('primary_file', None)
        if primary_file:
            self.set_field(preprint.set_primary_file, primary_file, auth)
            save_node = True

        old_tags = set(preprint.node.tags.values_list('name', flat=True))
        if validated_data.get('node') and 'tags' in validated_data['node']:
            current_tags = set(validated_data['node'].pop('tags', []))
        elif self.partial:
            current_tags = set(old_tags)
        else:
            current_tags = set()

        for new_tag in (current_tags - old_tags):
            preprint.node.add_tag(new_tag, auth=auth)
        for deleted_tag in (old_tags - current_tags):
            preprint.node.remove_tag(deleted_tag, auth=auth)

        if 'node' in validated_data:
            preprint.node.update(fields=validated_data.pop('node'))
            save_node = True

        if 'subjects' in validated_data:
            subjects = validated_data.pop('subjects', None)
            self.set_field(preprint.set_subjects, subjects, auth)
            save_preprint = True

        if 'article_doi' in validated_data:
            preprint.node.preprint_article_doi = validated_data['article_doi']
            save_node = True

        if 'license_type' in validated_data or 'license' in validated_data:
            license_details = get_license_details(preprint, validated_data)
            self.set_field(preprint.set_preprint_license, license_details,
                           auth)
            save_preprint = True

        if 'original_publication_date' in validated_data:
            preprint.original_publication_date = validated_data[
                'original_publication_date']
            save_preprint = True

        if published is not None:
            if not preprint.primary_file:
                raise exceptions.ValidationError(
                    detail=
                    'A valid primary_file must be set before publishing a preprint.'
                )
            self.set_field(preprint.set_published, published, auth)
            save_preprint = True
            recently_published = published
            preprint.node.set_privacy('public')
            save_node = True

        if save_node:
            try:
                preprint.node.save()
            except ValidationError as e:
                # Raised from invalid DOI
                raise exceptions.ValidationError(detail=e.messages[0])

        if save_preprint:
            preprint.save()

        # Send preprint confirmation email signal to new authors on preprint! -- only when published
        # TODO: Some more thought might be required on this; preprints made from existing
        # nodes will send emails making it seem like a new node.
        if recently_published:
            for author in preprint.node.contributors:
                if author != auth.user:
                    project_signals.contributor_added.send(
                        preprint.node,
                        contributor=author,
                        auth=auth,
                        email_template='preprint')

        return preprint

    def set_field(self, func, val, auth, save=False):
        try:
            func(val, auth)
        except PermissionsError as e:
            raise exceptions.PermissionDenied(detail=e.message)
        except (ValueError, ValidationError, NodeStateError) as e:
            raise exceptions.ValidationError(detail=e.message)