示例#1
0
class BadgeInstanceSerializerV1(OriginalJsonSerializerMixin,
                                serializers.Serializer):
    created_at = DateTimeWithUtcZAtEndField(read_only=True,
                                            default_timezone=pytz.utc)
    created_by = BadgeUserIdentifierFieldV1(read_only=True)
    slug = serializers.CharField(max_length=255,
                                 read_only=True,
                                 source='entity_id')
    image = serializers.FileField(
        read_only=True)  # use_url=True, might be necessary
    email = serializers.EmailField(max_length=1024,
                                   required=False,
                                   write_only=True)
    recipient_identifier = serializers.CharField(max_length=1024,
                                                 required=False)
    recipient_type = serializers.CharField(default=RECIPIENT_TYPE_EMAIL)
    allow_uppercase = serializers.BooleanField(default=False,
                                               required=False,
                                               write_only=True)
    evidence = serializers.URLField(write_only=True,
                                    required=False,
                                    allow_blank=True,
                                    max_length=1024)
    narrative = MarkdownCharField(required=False,
                                  allow_blank=True,
                                  allow_null=True)
    evidence_items = EvidenceItemSerializer(many=True, required=False)

    revoked = HumanReadableBooleanField(read_only=True)
    revocation_reason = serializers.CharField(read_only=True)

    expires = DateTimeWithUtcZAtEndField(source='expires_at',
                                         required=False,
                                         allow_null=True,
                                         default_timezone=pytz.utc)

    create_notification = HumanReadableBooleanField(write_only=True,
                                                    required=False,
                                                    default=False)
    allow_duplicate_awards = serializers.BooleanField(write_only=True,
                                                      required=False,
                                                      default=True)
    hashed = serializers.NullBooleanField(default=None, required=False)

    extensions = serializers.DictField(source='extension_items',
                                       required=False,
                                       validators=[BadgeExtensionValidator()])

    class Meta:
        apispec_definition = ('Assertion', {})

    def validate(self, data):
        recipient_type = data.get('recipient_type')
        if data.get('recipient_identifier') and data.get('email') is None:
            if recipient_type == RECIPIENT_TYPE_EMAIL:
                recipient_validator = EmailValidator()
            elif recipient_type in (RECIPIENT_TYPE_URL, RECIPIENT_TYPE_ID):
                recipient_validator = URLValidator()
            else:
                recipient_validator = TelephoneValidator()

            try:
                recipient_validator(data['recipient_identifier'])
            except DjangoValidationError as e:
                raise serializers.ValidationError(e.message)

        elif data.get('email') and data.get('recipient_identifier') is None:
            data['recipient_identifier'] = data.get('email')

        allow_duplicate_awards = data.pop('allow_duplicate_awards')
        if allow_duplicate_awards is False and self.context.get(
                'badgeclass') is not None:
            previous_awards = BadgeInstance.objects.filter(
                recipient_identifier=data['recipient_identifier'],
                badgeclass=self.context['badgeclass']).filter(
                    Q(expires_at__isnull=True)
                    | Q(expires_at__lt=timezone.now()))
            if previous_awards.exists():
                raise serializers.ValidationError(
                    "A previous award of this badge already exists for this recipient."
                )

        hashed = data.get('hashed', None)
        if hashed is None:
            if recipient_type in (RECIPIENT_TYPE_URL, RECIPIENT_TYPE_ID):
                data['hashed'] = False
            else:
                data['hashed'] = True

        return data

    def validate_narrative(self, data):
        if data is None or data == "":
            return None
        else:
            return data

    def to_representation(self, instance):
        representation = super(BadgeInstanceSerializerV1,
                               self).to_representation(instance)
        representation['json'] = instance.get_json(obi_version="1_1",
                                                   use_canonical_id=True)
        if self.context.get('include_issuer', False):
            representation['issuer'] = IssuerSerializerV1(
                instance.cached_badgeclass.cached_issuer).data
        else:
            representation['issuer'] = OriginSetting.HTTP + reverse(
                'issuer_json',
                kwargs={'entity_id': instance.cached_issuer.entity_id})
        if self.context.get('include_badge_class', False):
            representation['badge_class'] = BadgeClassSerializerV1(
                instance.cached_badgeclass, context=self.context).data
        else:
            representation['badge_class'] = OriginSetting.HTTP + reverse(
                'badgeclass_json',
                kwargs={'entity_id': instance.cached_badgeclass.entity_id})

        representation['public_url'] = OriginSetting.HTTP + reverse(
            'badgeinstance_json', kwargs={'entity_id': instance.entity_id})

        return representation

    def create(self, validated_data):
        """
        Requires self.context to include request (with authenticated request.user)
        and badgeclass: issuer.models.BadgeClass.
        """
        evidence_items = []

        # ob1 evidence url
        evidence_url = validated_data.get('evidence')
        if evidence_url:
            evidence_items.append({'evidence_url': evidence_url})

        # ob2 evidence items
        submitted_items = validated_data.get('evidence_items')
        if submitted_items:
            evidence_items.extend(submitted_items)
        try:
            return self.context.get('badgeclass').issue(
                recipient_id=validated_data.get('recipient_identifier'),
                narrative=validated_data.get('narrative'),
                evidence=evidence_items,
                notify=validated_data.get('create_notification'),
                created_by=self.context.get('request').user,
                allow_uppercase=validated_data.get('allow_uppercase'),
                recipient_type=validated_data.get('recipient_type',
                                                  RECIPIENT_TYPE_EMAIL),
                badgr_app=BadgrApp.objects.get_current(
                    self.context.get('request')),
                expires_at=validated_data.get('expires_at', None),
                extensions=validated_data.get('extension_items', None))
        except DjangoValidationError as e:
            raise serializers.ValidationError(e.message)

    def update(self, instance, validated_data):
        updateable_fields = [
            'evidence_items', 'expires_at', 'extension_items', 'hashed',
            'narrative', 'recipient_identifier', 'recipient_type'
        ]

        for field_name in updateable_fields:
            if field_name in validated_data:
                setattr(instance, field_name, validated_data.get(field_name))
        instance.rebake(save=False)
        instance.save()

        return instance
示例#2
0
class IssuerSerializerV1(OriginalJsonSerializerMixin, serializers.Serializer):
    created_at = DateTimeWithUtcZAtEndField(read_only=True)
    created_by = BadgeUserIdentifierFieldV1()
    name = StripTagsCharField(max_length=1024)
    slug = StripTagsCharField(max_length=255,
                              source='entity_id',
                              read_only=True)
    image = ValidImageField(required=False)
    email = serializers.EmailField(max_length=255, required=True)
    description = StripTagsCharField(max_length=16384, required=False)
    url = serializers.URLField(max_length=1024, required=True)
    staff = IssuerStaffSerializerV1(read_only=True,
                                    source='cached_issuerstaff',
                                    many=True)
    badgrapp = serializers.CharField(read_only=True,
                                     max_length=255,
                                     source='cached_badgrapp')

    class Meta:
        apispec_definition = ('Issuer', {})

    def validate_image(self, image):
        if image is not None:
            img_name, img_ext = os.path.splitext(image.name)
            image.name = 'issuer_logo_' + str(uuid.uuid4()) + img_ext
        return image

    def create(self, validated_data, **kwargs):
        user = validated_data['created_by']
        potential_email = validated_data['email']

        if not user.is_email_verified(potential_email):
            raise serializers.ValidationError(
                "Issuer email must be one of your verified addresses. Add this email to your profile and try again."
            )

        new_issuer = Issuer(**validated_data)

        # set badgrapp
        new_issuer.badgrapp = BadgrApp.objects.get_current(
            self.context.get('request', None))

        new_issuer.save()
        return new_issuer

    def update(self, instance, validated_data):
        force_image_resize = False
        instance.name = validated_data.get('name')

        if 'image' in validated_data:
            instance.image = validated_data.get('image')
            force_image_resize = True

        instance.email = validated_data.get('email')
        instance.description = validated_data.get('description')
        instance.url = validated_data.get('url')

        # set badgrapp
        if not instance.badgrapp_id:
            instance.badgrapp = BadgrApp.objects.get_current(
                self.context.get('request', None))

        instance.save(force_resize=force_image_resize)
        return instance

    def to_representation(self, obj):
        representation = super(IssuerSerializerV1, self).to_representation(obj)
        representation['json'] = obj.get_json(obi_version='1_1',
                                              use_canonical_id=True)

        if self.context.get('embed_badgeclasses', False):
            representation['badgeclasses'] = BadgeClassSerializerV1(
                obj.badgeclasses.all(), many=True, context=self.context).data

        representation['badgeClassCount'] = len(obj.cached_badgeclasses())
        representation['recipientGroupCount'] = len(
            obj.cached_recipient_groups())
        representation['recipientCount'] = sum(
            g.member_count() for g in obj.cached_recipient_groups())
        representation['pathwayCount'] = len(obj.cached_pathways())

        return representation
示例#3
0
class BadgeClassSerializerV1(OriginalJsonSerializerMixin,
                             serializers.Serializer):
    created_at = DateTimeWithUtcZAtEndField(read_only=True)
    created_by = BadgeUserIdentifierFieldV1()
    id = serializers.IntegerField(required=False, read_only=True)
    name = StripTagsCharField(max_length=255)
    image = ValidImageField(required=False)
    slug = StripTagsCharField(max_length=255,
                              read_only=True,
                              source='entity_id')
    criteria = MarkdownCharField(allow_blank=True,
                                 required=False,
                                 write_only=True)
    criteria_text = MarkdownCharField(required=False,
                                      allow_null=True,
                                      allow_blank=True)
    criteria_url = StripTagsCharField(required=False,
                                      allow_blank=True,
                                      allow_null=True,
                                      validators=[URLValidator()])
    recipient_count = serializers.IntegerField(required=False, read_only=True)
    pathway_element_count = serializers.IntegerField(required=False,
                                                     read_only=True)
    description = StripTagsCharField(max_length=16384,
                                     required=True,
                                     convert_null=True)

    alignment = AlignmentItemSerializerV1(many=True,
                                          source='alignment_items',
                                          required=False)
    tags = serializers.ListField(child=StripTagsCharField(max_length=1024),
                                 source='tag_items',
                                 required=False)

    expires = BadgeClassExpirationSerializerV1(source='*',
                                               required=False,
                                               allow_null=True)

    class Meta:
        apispec_definition = ('BadgeClass', {})

    def to_internal_value(self, data):
        if 'expires' in data:
            if not data['expires'] or len(data['expires']) == 0:
                # if expires was included blank, remove it so to_internal_value() doesnt choke
                del data['expires']
        return super(BadgeClassSerializerV1, self).to_internal_value(data)

    def to_representation(self, instance):
        representation = super(BadgeClassSerializerV1,
                               self).to_representation(instance)
        representation['issuer'] = OriginSetting.HTTP + reverse(
            'issuer_json',
            kwargs={'entity_id': instance.cached_issuer.entity_id})
        representation['json'] = instance.get_json(obi_version='1_1',
                                                   use_canonical_id=True)
        return representation

    def validate_image(self, image):
        if image is not None:
            img_name, img_ext = os.path.splitext(image.name)
            image.name = 'issuer_badgeclass_' + str(uuid.uuid4()) + img_ext
        return image

    def validate_criteria_text(self, criteria_text):
        if criteria_text is not None and criteria_text != '':
            return criteria_text
        else:
            return None

    def validate_criteria_url(self, criteria_url):
        if criteria_url is not None and criteria_url != '':
            return criteria_url
        else:
            return None

    def update(self, instance, validated_data):
        force_image_resize = False

        new_name = validated_data.get('name')
        if new_name:
            new_name = strip_tags(new_name)
            instance.name = new_name

        new_description = validated_data.get('description')
        if new_description:
            instance.description = strip_tags(new_description)

        if 'criteria_text' in validated_data:
            instance.criteria_text = validated_data.get('criteria_text')
        if 'criteria_url' in validated_data:
            instance.criteria_url = validated_data.get('criteria_url')

        if 'image' in validated_data:
            instance.image = validated_data.get('image')
            force_image_resize = True

        instance.alignment_items = validated_data.get('alignment_items')
        instance.tag_items = validated_data.get('tag_items')

        instance.expires_amount = validated_data.get('expires_amount', None)
        instance.expires_duration = validated_data.get('expires_duration',
                                                       None)

        instance.save(force_resize=force_image_resize)

        return instance

    def validate(self, data):
        if 'criteria' in data:
            if 'criteria_url' in data or 'criteria_text' in data:
                raise serializers.ValidationError(
                    "The criteria field is mutually-exclusive with the criteria_url and criteria_text fields"
                )

            if utils.is_probable_url(data.get('criteria')):
                data['criteria_url'] = data.pop('criteria')
            elif not isinstance(data.get('criteria'), str):
                raise serializers.ValidationError(
                    "Provided criteria text could not be properly processed as URL or plain text."
                )
            else:
                data['criteria_text'] = data.pop('criteria')

        else:
            if data.get('criteria_text', None) is None and data.get(
                    'criteria_url', None) is None:
                raise serializers.ValidationError(
                    "One or both of the criteria_text and criteria_url fields must be provided"
                )

        return data

    def create(self, validated_data, **kwargs):

        if 'image' not in validated_data:
            raise serializers.ValidationError(
                {"image": ["This field is required"]})

        if 'issuer' in self.context:
            validated_data['issuer'] = self.context.get('issuer')

        new_badgeclass = BadgeClass.objects.create(**validated_data)
        return new_badgeclass
示例#4
0
class BadgeInstanceSerializerV1(OriginalJsonSerializerMixin,
                                serializers.Serializer):
    created_at = serializers.DateTimeField(read_only=True)
    created_by = BadgeUserIdentifierFieldV1(read_only=True)
    slug = serializers.CharField(max_length=255,
                                 read_only=True,
                                 source='entity_id')
    image = serializers.FileField(
        read_only=True)  # use_url=True, might be necessary
    email = serializers.EmailField(max_length=1024,
                                   required=False,
                                   write_only=True)
    recipient_identifier = serializers.CharField(max_length=1024,
                                                 required=False)
    recipient_type = serializers.CharField(
        default=BadgeInstance.RECIPIENT_TYPE_EMAIL)
    allow_uppercase = serializers.BooleanField(default=False,
                                               required=False,
                                               write_only=True)
    evidence = serializers.URLField(write_only=True,
                                    required=False,
                                    allow_blank=True,
                                    max_length=1024)
    narrative = MarkdownCharField(required=False,
                                  allow_blank=True,
                                  allow_null=True)
    evidence_items = EvidenceItemSerializer(many=True, required=False)

    revoked = HumanReadableBooleanField(read_only=True)
    revocation_reason = serializers.CharField(read_only=True)

    expires = serializers.DateTimeField(source='expires_at',
                                        required=False,
                                        allow_null=True)

    create_notification = HumanReadableBooleanField(write_only=True,
                                                    required=False,
                                                    default=False)

    hashed = serializers.NullBooleanField(default=None, required=False)

    extensions = serializers.DictField(source='extension_items',
                                       required=False,
                                       validators=[BadgeExtensionValidator()])

    class Meta:
        apispec_definition = ('Assertion', {})

    def validate(self, data):
        if data.get('email') and not data.get('recipient_identifier'):
            data['recipient_identifier'] = data.get('email')

        hashed = data.get('hashed', None)
        if hashed is None:
            recipient_type = data.get('recipient_type')
            if recipient_type in (BadgeInstance.RECIPIENT_TYPE_URL,
                                  BadgeInstance.RECIPIENT_TYPE_ID):
                data['hashed'] = False
            else:
                data['hashed'] = True

        return data

    def validate_narrative(self, data):
        if data is None or data == "":
            return None
        else:
            return data

    def to_representation(self, instance):
        # if self.context.get('extended_json'):
        #     self.fields['json'] = V1InstanceSerializer(source='extended_json')

        representation = super(BadgeInstanceSerializerV1,
                               self).to_representation(instance)
        representation['json'] = instance.get_json(obi_version="1_1",
                                                   use_canonical_id=True)
        if self.context.get('include_issuer', False):
            representation['issuer'] = IssuerSerializerV1(
                instance.cached_badgeclass.cached_issuer).data
        else:
            representation['issuer'] = OriginSetting.HTTP + reverse(
                'issuer_json',
                kwargs={'entity_id': instance.cached_issuer.entity_id})
        if self.context.get('include_badge_class', False):
            representation['badge_class'] = BadgeClassSerializerV1(
                instance.cached_badgeclass, context=self.context).data
        else:
            representation['badge_class'] = OriginSetting.HTTP + reverse(
                'badgeclass_json',
                kwargs={'entity_id': instance.cached_badgeclass.entity_id})

        representation['public_url'] = OriginSetting.HTTP + reverse(
            'badgeinstance_json', kwargs={'entity_id': instance.entity_id})

        if apps.is_installed('badgebook'):
            try:
                from badgebook.models import BadgeObjectiveAward
                from badgebook.serializers import BadgeObjectiveAwardSerializer
                try:
                    award = BadgeObjectiveAward.cached.get(
                        badge_instance_id=instance.id)
                except BadgeObjectiveAward.DoesNotExist:
                    representation['award'] = None
                else:
                    representation['award'] = BadgeObjectiveAwardSerializer(
                        award).data
            except ImportError:
                pass

        return representation

    def create(self, validated_data):
        """
        Requires self.context to include request (with authenticated request.user)
        and badgeclass: issuer.models.BadgeClass.
        """
        evidence_items = []

        # ob1 evidence url
        evidence_url = validated_data.get('evidence')
        if evidence_url:
            evidence_items.append({'evidence_url': evidence_url})

        # ob2 evidence items
        submitted_items = validated_data.get('evidence_items')
        if submitted_items:
            evidence_items.extend(submitted_items)

        return self.context.get('badgeclass').issue(
            recipient_id=validated_data.get('recipient_identifier'),
            narrative=validated_data.get('narrative'),
            evidence=evidence_items,
            notify=validated_data.get('create_notification'),
            created_by=self.context.get('request').user,
            allow_uppercase=validated_data.get('allow_uppercase'),
            recipient_type=validated_data.get(
                'recipient_type', BadgeInstance.RECIPIENT_TYPE_EMAIL),
            badgr_app=BadgrApp.objects.get_current(
                self.context.get('request')),
            expires_at=validated_data.get('expires_at', None),
            extensions=validated_data.get('extension_items', None))

    def update(self, instance, validated_data):
        updateable_fields = [
            'evidence_items', 'expires_at', 'extension_items', 'hashed',
            'issued_on', 'narrative', 'recipient_identifier', 'recipient_type'
        ]

        for field_name in updateable_fields:
            if field_name in validated_data:
                setattr(instance, field_name, validated_data.get(field_name))
        instance.save()

        return instance
示例#5
0
class BadgeClassSerializerV1(OriginalJsonSerializerMixin, ExtensionsSaverMixin,
                             serializers.Serializer):
    created_at = DateTimeWithUtcZAtEndField(read_only=True)
    created_by = BadgeUserIdentifierFieldV1()
    id = serializers.IntegerField(required=False, read_only=True)
    name = StripTagsCharField(max_length=255)
    image = ValidImageField(required=False)
    slug = StripTagsCharField(max_length=255,
                              read_only=True,
                              source='entity_id')
    criteria = MarkdownCharField(allow_blank=True,
                                 required=False,
                                 write_only=True)
    criteria_text = MarkdownCharField(required=False,
                                      allow_null=True,
                                      allow_blank=True)
    criteria_url = StripTagsCharField(required=False,
                                      allow_blank=True,
                                      allow_null=True,
                                      validators=[URLValidator()])
    recipient_count = serializers.IntegerField(required=False,
                                               read_only=True,
                                               source='v1_api_recipient_count')
    description = StripTagsCharField(max_length=16384,
                                     required=True,
                                     convert_null=True)

    alignment = AlignmentItemSerializerV1(many=True,
                                          source='alignment_items',
                                          required=False)
    tags = serializers.ListField(child=StripTagsCharField(max_length=1024),
                                 source='tag_items',
                                 required=False)

    extensions = serializers.DictField(source='extension_items',
                                       required=False,
                                       validators=[BadgeExtensionValidator()])

    expires = BadgeClassExpirationSerializerV1(source='*',
                                               required=False,
                                               allow_null=True)

    # issuerName = StripTagsCharField(max_length=255)

    class Meta:
        apispec_definition = ('BadgeClass', {})

    def to_internal_value(self, data):
        if 'expires' in data:
            if not data['expires'] or len(data['expires']) == 0:
                # if expires was included blank, remove it so to_internal_value() doesnt choke
                del data['expires']
        return super(BadgeClassSerializerV1, self).to_internal_value(data)

    def to_representation(self, instance):
        representation = super(BadgeClassSerializerV1,
                               self).to_representation(instance)
        representation['issuerName'] = instance.cached_issuer.name
        representation['issuer'] = OriginSetting.HTTP + reverse(
            'issuer_json',
            kwargs={'entity_id': instance.cached_issuer.entity_id})
        representation['json'] = instance.get_json(obi_version='1_1',
                                                   use_canonical_id=True)
        return representation

    def validate_image(self, image):
        if image is not None:
            img_name, img_ext = os.path.splitext(image.name)
            image.name = 'issuer_badgeclass_' + str(uuid.uuid4()) + img_ext
        return image

    def validate_criteria_text(self, criteria_text):
        if criteria_text is not None and criteria_text != '':
            return criteria_text
        else:
            return None

    def validate_criteria_url(self, criteria_url):
        if criteria_url is not None and criteria_url != '':
            return criteria_url
        else:
            return None

    def validate_extensions(self, extensions):
        is_formal = False
        if extensions:
            for ext_name, ext in extensions.items():
                # if "@context" in ext and not ext['@context'].startswith(settings.EXTENSIONS_ROOT_URL):
                #     raise BadgrValidationError(
                #         error_code=999,
                #         error_message=f"extensions @context invalid {ext['@context']}")
                if ext_name.endswith('ECTSExtension') or ext_name.endswith(
                        'StudyLoadExtension') or ext_name.endswith(
                            'CategoryExtension') or ext_name.endswith(
                                'LevelExtension'):
                    is_formal = True
        self.formal = is_formal
        return extensions

    def add_extensions(self, instance, add_these_extensions, extension_items):
        for extension_name in add_these_extensions:
            original_json = extension_items[extension_name]
            extension = BadgeClassExtension(
                name=extension_name,
                original_json=json.dumps(original_json),
                badgeclass_id=instance.pk)
            extension.save()

    def update(self, instance, validated_data):
        logger.info("UPDATE BADGECLASS")
        logger.debug(validated_data)

        force_image_resize = False

        new_name = validated_data.get('name')
        if new_name:
            new_name = strip_tags(new_name)
            instance.name = new_name

        new_description = validated_data.get('description')
        if new_description:
            instance.description = strip_tags(new_description)

        # Assure both criteria_url and criteria_text will not be empty
        if 'criteria_url' in validated_data or 'criteria_text' in validated_data:
            end_criteria_url = validated_data['criteria_url'] if  'criteria_url' in validated_data \
                else instance.criteria_url
            end_criteria_text = validated_data['criteria_text'] if 'criteria_text' in validated_data \
                else instance.criteria_text

            if ((end_criteria_url is None or not end_criteria_url.strip()) and
                (end_criteria_text is None or not end_criteria_text.strip())):
                raise serializers.ValidationError(
                    'Changes cannot be made that would leave both criteria_url and criteria_text blank.'
                )
            else:
                instance.criteria_text = end_criteria_text
                instance.criteria_url = end_criteria_url

        if 'image' in validated_data:
            instance.image = validated_data.get('image')
            force_image_resize = True

        instance.alignment_items = validated_data.get('alignment_items')
        instance.tag_items = validated_data.get('tag_items')

        instance.expires_amount = validated_data.get('expires_amount', None)
        instance.expires_duration = validated_data.get('expires_duration',
                                                       None)

        logger.debug("SAVING EXTENSION")
        self.save_extensions(validated_data, instance)

        instance.save(force_resize=force_image_resize)

        return instance

    def validate(self, data):
        if 'criteria' in data:
            if 'criteria_url' in data or 'criteria_text' in data:
                raise serializers.ValidationError(
                    "The criteria field is mutually-exclusive with the criteria_url and criteria_text fields"
                )

            if utils.is_probable_url(data.get('criteria')):
                data['criteria_url'] = data.pop('criteria')
            elif not isinstance(data.get('criteria'), str):
                raise serializers.ValidationError(
                    "Provided criteria text could not be properly processed as URL or plain text."
                )
            else:
                data['criteria_text'] = data.pop('criteria')
        return data

    def create(self, validated_data, **kwargs):

        logger.info("CREATE NEW BADGECLASS")
        logger.debug(validated_data)

        if 'image' not in validated_data:
            raise serializers.ValidationError(
                {"image": ["This field is required"]})

        if 'issuer' in self.context:
            validated_data['issuer'] = self.context.get('issuer')

        if validated_data.get('criteria_text',
                              None) is None and validated_data.get(
                                  'criteria_url', None) is None:
            raise serializers.ValidationError(
                "One or both of the criteria_text and criteria_url fields must be provided"
            )

        new_badgeclass = BadgeClass.objects.create(**validated_data)
        return new_badgeclass
class IssuerSerializerV1(OriginalJsonSerializerMixin, ExtensionsSaverMixin,
                         serializers.Serializer):
    created_at = serializers.DateTimeField(read_only=True)
    created_by = BadgeUserIdentifierFieldV1()
    name = StripTagsCharField(max_length=1024)
    slug = StripTagsCharField(max_length=255,
                              source='entity_id',
                              read_only=True)
    image = ValidImageField(required=False)
    email = serializers.EmailField(max_length=255, required=True)
    description = StripTagsCharField(max_length=16384, required=False)
    url = serializers.URLField(max_length=1024, required=True)
    staff = IssuerStaffSerializerV1(read_only=True,
                                    source='cached_issuerstaff',
                                    many=True)
    faculty = FacultySerializerV1(required=False, allow_null=True)
    extensions = serializers.DictField(source='extension_items',
                                       required=False,
                                       validators=[BadgeExtensionValidator()])

    class Meta:
        apispec_definition = ('Issuer', {})

    def validate_image(self, image):
        if image is not None:
            img_name, img_ext = os.path.splitext(image.name)
            image.name = 'issuer_logo_' + str(uuid.uuid4()) + img_ext
        return image

    def create(self, validated_data, **kwargs):
        if self.context['request'].data.get('faculty', None):
            faculty_id = self.context['request'].data['faculty']['id']
            faculty = Faculty.objects.get(pk=faculty_id)
            validated_data['faculty'] = faculty
        user = validated_data['created_by']
        potential_email = validated_data['email']
        #         if not user.is_email_verified(potential_email):
        #             raise serializers.ValidationError(
        #                 "Issuer email must be one of your verified addresses. Add this email to your profile and try again.")

        new_issuer = Issuer(**validated_data)

        # set badgrapp
        new_issuer.badgrapp = BadgrApp.objects.get_current(
            self.context.get('request', None))

        new_issuer.save()
        return new_issuer

    def update(self, instance, validated_data):
        if self.context['request'].data['faculty']:
            faculty_id = self.context['request'].data['faculty']['id']
            faculty = Faculty.objects.get(pk=faculty_id)
            validated_data['faculty'] = faculty

        instance.name = validated_data.get('name')

        if 'image' in validated_data:
            instance.image = validated_data.get('image')

        instance.email = validated_data.get('email')
        instance.description = validated_data.get('description')
        instance.url = validated_data.get('url')
        instance.faculty = validated_data.get('faculty')

        # set badgrapp
        if not instance.badgrapp_id:
            instance.badgrapp = BadgrApp.objects.get_current(
                self.context.get('request', None))
        self.save_extensions(validated_data, instance)
        instance.save()
        return instance

    def to_representation(self, obj):
        representation = super(IssuerSerializerV1, self).to_representation(obj)
        representation['json'] = obj.get_json(obi_version='1_1',
                                              use_canonical_id=True)

        if self.context.get('embed_badgeclasses', False):
            representation['badgeclasses'] = BadgeClassSerializerV1(
                obj.badgeclasses.all(), many=True, context=self.context).data

        representation['badgeClassCount'] = len(obj.cached_badgeclasses())
        representation['recipientGroupCount'] = len(
            obj.cached_recipient_groups())
        representation['recipientCount'] = sum(
            g.member_count() for g in obj.cached_recipient_groups())
        representation['pathwayCount'] = len(obj.cached_pathways())

        return representation

    def add_extensions(self, instance, add_these_extensions, extension_items):
        for extension_name in add_these_extensions:
            original_json = extension_items[extension_name]
            extension = IssuerExtension(
                name=extension_name,
                original_json=json.dumps(original_json),
                issuer_id=instance.pk)
            extension.save()
class BadgeClassSerializerV1(OriginalJsonSerializerMixin, ExtensionsSaverMixin,
                             serializers.Serializer):
    created_at = serializers.DateTimeField(read_only=True)
    created_by = BadgeUserIdentifierFieldV1()
    id = serializers.IntegerField(required=False, read_only=True)
    name = StripTagsCharField(max_length=255)
    image = ValidImageField(required=False)
    slug = StripTagsCharField(max_length=255,
                              read_only=True,
                              source='entity_id')
    criteria = MarkdownCharField(allow_blank=True,
                                 required=False,
                                 write_only=True)
    criteria_text = MarkdownCharField(required=False,
                                      allow_null=True,
                                      allow_blank=True)
    criteria_url = StripTagsCharField(required=False,
                                      allow_blank=True,
                                      allow_null=True,
                                      validators=[URLValidator()])
    recipient_count = serializers.IntegerField(required=False, read_only=True)
    enrollment_count = serializers.IntegerField(required=False, read_only=True)
    pathway_element_count = serializers.IntegerField(required=False,
                                                     read_only=True)
    description = StripTagsCharField(max_length=16384,
                                     required=True,
                                     convert_null=True)
    alignment = AlignmentItemSerializerV1(many=True,
                                          source='alignment_items',
                                          required=False)
    tags = serializers.ListField(child=StripTagsCharField(max_length=1024),
                                 source='tag_items',
                                 required=False)
    extensions = serializers.DictField(source='extension_items',
                                       required=False,
                                       validators=[BadgeExtensionValidator()])

    class Meta:
        apispec_definition = ('BadgeClass', {})

    def to_representation(self, instance):
        representation = super(BadgeClassSerializerV1,
                               self).to_representation(instance)
        representation['issuer'] = OriginSetting.HTTP + reverse(
            'issuer_json',
            kwargs={'entity_id': instance.cached_issuer.entity_id})
        representation['json'] = instance.get_json(obi_version='1_1',
                                                   use_canonical_id=True)
        return representation

    def validate_image(self, image):
        if image is not None:
            img_name, img_ext = os.path.splitext(image.name)
            image.name = 'issuer_badgeclass_' + str(uuid.uuid4()) + img_ext
        return image

    def validate_criteria_text(self, criteria_text):
        if criteria_text is not None and criteria_text != '':
            return criteria_text
        else:
            return None

    def validate_criteria_url(self, criteria_url):
        if criteria_url is not None and criteria_url != '':
            return criteria_url
        else:
            return None

    def add_extensions(self, instance, add_these_extensions, extension_items):
        for extension_name in add_these_extensions:
            original_json = extension_items[extension_name]
            extension = BadgeClassExtension(
                name=extension_name,
                original_json=json.dumps(original_json),
                badgeclass_id=instance.pk)
            extension.save()

    def update(self, instance, validated_data):

        new_name = validated_data.get('name')
        if new_name:
            new_name = strip_tags(new_name)
            instance.name = new_name

        new_description = validated_data.get('description')
        if new_description:
            instance.description = strip_tags(new_description)

        if 'criteria_text' in validated_data:
            instance.criteria_text = validated_data.get('criteria_text')
        if 'criteria_url' in validated_data:
            instance.criteria_url = validated_data.get('criteria_url')

        if 'image' in validated_data:
            instance.image = validated_data.get('image')

        instance.alignment_items = validated_data.get('alignment_items')
        instance.tag_items = validated_data.get('tag_items')

        self.save_extensions(validated_data, instance)

        instance.save()

        return instance

    def validate(self, data):
        if 'criteria' in data:
            if 'criteria_url' in data or 'criteria_text' in data:
                raise serializers.ValidationError(
                    "The criteria field is mutually-exclusive with the criteria_url and criteria_text fields"
                )

            if utils.is_probable_url(data.get('criteria')):
                data['criteria_url'] = data.pop('criteria')
            elif not isinstance(data.get('criteria'), (str, unicode)):
                raise serializers.ValidationError(
                    "Provided criteria text could not be properly processed as URL or plain text."
                )
            else:
                data['criteria_text'] = data.pop('criteria')

        else:
            if data.get('criteria_text', None) is None and data.get(
                    'criteria_url', None) is None:
                raise serializers.ValidationError(
                    "One or both of the criteria_text and criteria_url fields must be provided"
                )

        return data

    def filter_extensions(self, validated_data):
        extension_items = validated_data['extension_items']
        for extension_name in extension_items.keys():
            extension_item = extension_items[extension_name]
            if extension_name == 'languageExtension':
                del extension_item['typedLanguage']

    def create(self, validated_data, **kwargs):

        if 'image' not in validated_data:
            raise serializers.ValidationError(
                {"image": ["This field is required"]})

        if 'issuer' in self.context:
            validated_data['issuer'] = self.context.get('issuer')

        self.filter_extensions(validated_data)
        new_badgeclass = BadgeClass.objects.create(**validated_data)
        return new_badgeclass