re2o/api/serializers.py

# Re2o est un logiciel d'administration développé initiallement au rezometz. Il
# se veut agnostique au réseau considéré, de manière à être installable en
# quelques clics.
#
# Copyright © 2018 Mael Kervella
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.

"""
Serializers for the API app
"""

from rest_framework import serializers

from cotisations.models import (
    Facture,
    Vente,
    Article,
    Banque,
    Paiement,
    Cotisation
)
from machines.models import (
    Machine,
    MachineType,
    IpType,
    Vlan,
    Nas,
    SOA,
    Extension,
    Mx,
    Ns,
    Txt,
    Srv,
    Interface,
    Ipv6List,
    Domain,
    IpList,
    Service,
    Service_link,
    OuverturePortList,
    OuverturePort
)
from users.models import (
    User,
    Club,
    Adherent,
    ServiceUser,
    School,
    ListRight,
    ListShell,
    Ban,
    Whitelist
)


# COTISATIONS APP

class FactureSerializer(serializers.HyperlinkedModelSerializer):
    class Meta:
        model = Facture
        fields = ('user', 'paiement', 'banque', 'cheque', 'date', 'valid',
                  'control', 'prix_total', 'name', 'api_url')
        extra_kwargs = {
            'user': {'view_name': 'api:user-detail'},
            'paiement': {'view_name': 'api:paiement-detail'},
            'banque': {'view_name': 'api:banque-detail'},
            'api_url': {'view_name': 'api:facture-detail'}
        }


class VenteSerializer(serializers.HyperlinkedModelSerializer):
    class Meta:
        model = Vente
        fields = ('facture', 'number', 'name', 'prix', 'duration',
                  'type_cotisation', 'prix_total', 'api_url')
        extra_kwargs = {
            'facture': {'view_name': 'api:facture-detail'},
            'api_url': {'view_name': 'api:vente-detail'}
        }


class ArticleSerializer(serializers.HyperlinkedModelSerializer):
    class Meta:
        model = Article
        fields = ('name', 'prix', 'duration', 'type_user',
                  'type_cotisation', 'api_url')
        extra_kwargs = {
            'api_url': {'view_name': 'api:article-detail'}
        }


class BanqueSerializer(serializers.HyperlinkedModelSerializer):
    class Meta:
        model = Banque
        fields = ('name', 'api_url')
        extra_kwargs = {
            'api_url': {'view_name': 'api:banque-detail'}
        }


class PaiementSerializer(serializers.HyperlinkedModelSerializer):
    class Meta:
        model = Paiement
        fields = ('moyen', 'type_paiement', 'api_url')
        extra_kwargs = {
            'api_url': {'view_name': 'api:paiement-detail'}
        }


class CotisationSerializer(serializers.HyperlinkedModelSerializer):
    class Meta:
        model = Cotisation
        fields = ('vente', 'type_cotisation', 'date_start', 'date_end',
                  'api_url')
        extra_kwargs = {
            'vente': {'view_name': 'api:vente-detail'},
            'api_url': {'view_name': 'api:cotisation-detail'}
        }


# MACHINES APP


class MachineSerializer(serializers.HyperlinkedModelSerializer):
    class Meta:
        model = Machine
        fields = ('user', 'name', 'active', 'api_url')
        extra_kwargs = {
            'user': {'view_name': 'api:user-detail'},
            'api_url': {'view_name': 'api:machine-detail'}
        }


class MachineTypeSerializer(serializers.HyperlinkedModelSerializer):
    class Meta:
        model = MachineType
        fields = ('type', 'ip_type', 'api_url')
        extra_kwargs = {
            'ip_type': {'view_name': 'api:iptype-detail'},
            'api_url': {'view_name': 'api:machinetype-detail'}
        }


class IpTypeSerializer(serializers.HyperlinkedModelSerializer):
    class Meta:
        model = IpType
        fields = ('type', 'extension', 'need_infra', 'domaine_ip_start',
                  'domaine_ip_stop', 'prefix_v6', 'vlan', 'ouverture_ports',
                  'api_url')
        extra_kwargs = {
            'extension': {'view_name': 'api:extension-detail'},
            'vlan': {'view_name': 'api:vlan-detail'},
            'ouverture_ports': {'view_name': 'api:ouvertureportlist-detail'},
            'api_url': {'view_name': 'api:iptype-detail'}
        }


class VlanSerializer(serializers.HyperlinkedModelSerializer):
    class Meta:
        model = Vlan
        fields = ('vlan_id', 'name', 'comment', 'api_url')
        extra_kwargs = {
            'api_url': {'view_name': 'api:vlan-detail'}
        }


class NasSerializer(serializers.HyperlinkedModelSerializer):
    class Meta:
        model = Nas
        fields = ('name', 'nas_type', 'machine_type', 'port_access_mode',
                  'autocapture_mac', 'api_url')
        extra_kwargs = {
            'nas_type': {'view_name': 'api:machinetype-detail'},
            'machine_type': {'view_name': 'api:machinetype-detail'},
            'api_url': {'view_name': 'api:nas-detail'}
        }


class SOASerializer(serializers.HyperlinkedModelSerializer):
    class Meta:
        model = SOA
        fields = ('name', 'mail', 'refresh', 'retry', 'expire', 'ttl',
                  'api_url')
        extra_kwargs = {
            'api_url': {'view_name': 'api:soa-detail'}
        }


class ExtensionSerializer(serializers.HyperlinkedModelSerializer):
    class Meta:
        model = Extension
        fields = ('name', 'need_infra', 'origin', 'origin_v6', 'soa',
                  'api_url')
        extra_kwargs = {
            'origin': {'view_name': 'api:iplist-detail'},
            'soa': {'view_name': 'api:soa-detail'},
            'api_url': {'view_name': 'api:extension-detail'}
        }


class MxSerializer(serializers.HyperlinkedModelSerializer):
    class Meta:
        model = Mx
        fields = ('zone', 'priority', 'name', 'api_url')
        extra_kwargs = {
            'zone': {'view_name': 'api:extension-detail'},
            'name': {'view_name': 'api:domain-detail'},
            'api_url': {'view_name': 'api:mx-detail'}
        }


class NsSerializer(serializers.HyperlinkedModelSerializer):
    class Meta:
        model = Ns
        fields = ('zone', 'ns', 'api_url')
        extra_kwargs = {
            'zone': {'view_name': 'api:extension-detail'},
            'ns': {'view_name': 'api:domain-detail'},
            'api_url': {'view_name': 'api:ns-detail'}
        }


class TxtSerializer(serializers.HyperlinkedModelSerializer):
    class Meta:
        model = Txt
        fields = ('zone', 'field1', 'field2', 'api_url')
        extra_kwargs = {
            'zone': {'view_name': 'api:extension-detail'},
            'api_url': {'view_name': 'api:txt-detail'}
        }


class SrvSerializer(serializers.HyperlinkedModelSerializer):
    class Meta:
        model = Srv
        fields = ('service', 'protocole', 'extension', 'ttl', 'priority',
                  'weight', 'port', 'target', 'api_url')
        extra_kwargs = {
            'extension': {'view_name': 'api:extension-detail'},
            'target': {'view_name': 'api:domain-detail'},
            'api_url': {'view_name': 'api:mx-detail'}
        }


class InterfaceSerializer(serializers.HyperlinkedModelSerializer):
    active = serializers.BooleanField(source='is_active')

    class Meta:
        model = Interface
        fields = ('ipv4', 'mac_address', 'machine', 'type', 'details',
                  'port_lists', 'active', 'api_url')
        extra_kwargs = {
            'ipv4': {'view_name': 'api:iplist-detail'},
            'machine': {'view_name': 'api:machine-detail'},
            'type': {'view_name': 'api:machinetype-detail'},
            'port_lists': {'view_name': 'api:ouvertureportlist-detail'},
            'api_url': {'view_name': 'api:interface-detail'}
        }


class Ipv6ListSerializer(serializers.HyperlinkedModelSerializer):
    class Meta:
        model = Ipv6List
        fields = ('ipv6', 'interface', 'slaac_ip', 'date_end',
                  'api_url')
        extra_kwargs = {
            'interface': {'view_name': 'api:interface-detail'},
            'api_url': {'view_name': 'api:ipv6list-detail'}
        }


class DomainSerializer(serializers.HyperlinkedModelSerializer):
    class Meta:
        model = Domain
        fields = ('interface_parent', 'name', 'extension', 'cname',
                  'api_url')
        extra_kwargs = {
            'interface_parent': {'view_name': 'api:interface-detail'},
            'extension': {'view_name': 'api:extension-detail'},
            'cname': {'view_name': 'api:domain-detail'},
            'api_url': {'view_name': 'api:domain-detail'}
        }


class IpListSerializer(serializers.HyperlinkedModelSerializer):
    class Meta:
        model = IpList
        fields = ('ipv4', 'ip_type', 'need_infra', 'api_url')
        extra_kwargs = {
            'ip_type': {'view_name': 'api:iptype-detail'},
            'api_url': {'view_name': 'api:iplist-detail'}
        }


class ServiceSerializer(serializers.HyperlinkedModelSerializer):
    class Meta:
        model = Service
        fields = ('service_type', 'min_time_regen', 'regular_time_regen',
                  'servers', 'api_url')
        extra_kwargs = {
            'servers': {'view_name': 'api:interface-detail'},
            'api_url': {'view_name': 'api:service-detail'}
        }


class ServiceLinkSerializer(serializers.HyperlinkedModelSerializer):
    class Meta:
        model = Service_link
        fields = ('service', 'server', 'last_regen', 'asked_regen',
                  'need_regen', 'api_url')
        extra_kwargs = {
            'service': {'view_name': 'api:service-detail'},
            'server': {'view_name': 'api:interface-detail'},
            'api_url': {'view_name': 'api:servicelink-detail'}
        }


class OuverturePortListSerializer(serializers.HyperlinkedModelSerializer):
    class Meta:
        model = OuverturePortList
        fields = ('name', 'tcp_ports_in', 'udp_ports_in', 'tcp_ports_out',
                  'udp_ports_out', 'api_url')
        extra_kwargs = {
            'tcp_ports_in': {'view_name': 'api:ouvertureport-detail'},
            'udp_ports_in': {'view_name': 'api:ouvertureport-detail'},
            'tcp_ports_out': {'view_name': 'api:ouvertureport-detail'},
            'udp_ports_out': {'view_name': 'api:ouvertureport-detail'},
            'api_url': {'view_name': 'api:ouvertureportlist-detail'}
        }


class OuverturePortSerializer(serializers.HyperlinkedModelSerializer):
    class Meta:
        model = OuverturePort
        fields = ('begin', 'end', 'port_list', 'protocole', 'io', 'api_url')
        extra_kwargs = {
            'port_list': {'view_name': 'api:ouvertureportlist-detail'},
            'api_url': {'view_name': 'api:ouvertureport-detail'}
        }


# USERS APP


class UserSerializer(serializers.HyperlinkedModelSerializer):
    access = serializers.BooleanField(source='has_access')
    uid = serializers.IntegerField(source='uid_number')

    class Meta:
        model = User
        fields = ('name', 'pseudo', 'email', 'school', 'shell', 'comment',
                  'state', 'registered', 'telephone', 'solde', #'room',
                  'access', 'end_access', 'uid', 'class_name', 'api_url')
        extra_kwargs = {
            'school': {'view_name': 'api:school-detail'},
            'shell': {'view_name': 'api:shell-detail'},
            #'room': {'view_name': 'api:room-detail'},
            'api_url': {'view_name': 'api:user-detail'}
        }


class ClubSerializer(serializers.HyperlinkedModelSerializer):
    name = serializers.CharField(source='surname')
    access = serializers.BooleanField(source='has_access')
    uid = serializers.IntegerField(source='uid_number')

    class Meta:
        model = Club
        fields = ('name', 'pseudo', 'email', 'school', 'shell', 'comment',
                  'state', 'registered', 'telephone', 'solde', #'room',
                  'access', 'end_access', 'administrators', 'members',
                  'mailing', 'uid', 'api_url')
        extra_kwargs = {
            'school': {'view_name': 'api:school-detail'},
            'shell': {'view_name': 'api:shell-detail'},
            #'room': {'view_name': 'api:room-detail'},
            'administrators': {'view_name': 'api:adherent-detail'},
            'members': {'view_name': 'api:adherent-detail'},
            'api_url': {'view_name': 'api:club-detail'}
        }


class AdherentSerializer(serializers.HyperlinkedModelSerializer):
    access = serializers.BooleanField(source='has_access')
    uid = serializers.IntegerField(source='uid_number')

    class Meta:
        model = Adherent
        fields = ('name', 'surname', 'pseudo', 'email', 'school', 'shell',
                  'comment', 'state', 'registered', 'telephone', #'room',
                  'solde', 'access', 'end_access', 'uid', 'api_url')
        extra_kwargs = {
            'school': {'view_name': 'api:school-detail'},
            'shell': {'view_name': 'api:shell-detail'},
            #'room': {'view_name': 'api:room-detail'},
            'api_url': {'view_name': 'api:adherent-detail'}
        }


class ServiceUserSerializer(serializers.HyperlinkedModelSerializer):
    class Meta:
        model = ServiceUser
        fields = ('pseudo', 'access_group', 'comment', 'api_url')
        extra_kwargs = {
            'api_url': {'view_name': 'api:serviceuser-detail'}
        }


class SchoolSerializer(serializers.HyperlinkedModelSerializer):
    class Meta:
        model = School
        fields = ('name', 'api_url')
        extra_kwargs = {
            'api_url': {'view_name': 'api:school-detail'}
        }


class ListRightSerializer(serializers.HyperlinkedModelSerializer):
    class Meta:
        model = ListRight
        fields = ('unix_name', 'gid', 'critical', 'details', 'api_url')
        extra_kwargs = {
            'api_url': {'view_name': 'api:listright-detail'}
        }


class ShellSerializer(serializers.HyperlinkedModelSerializer):
    class Meta:
        model = ListShell
        fields = ('shell', 'api_url')
        extra_kwargs = {
            'api_url': {'view_name': 'api:shell-detail'}
        }


class BanSerializer(serializers.HyperlinkedModelSerializer):
    active = serializers.BooleanField(source='is_active')

    class Meta:
        model = Ban
        fields = ('user', 'raison', 'date_start', 'date_end', 'state',
                  'active', 'api_url')
        extra_kwargs = {
            'user': {'view_name': 'api:user-detail'},
            'api_url': {'view_name': 'api:ban-detail'}
        }


class WhitelistSerializer(serializers.HyperlinkedModelSerializer):
    active = serializers.BooleanField(source='is_active')

    class Meta:
        model = Whitelist
        fields = ('user', 'raison', 'date_start', 'date_end', 'active', 'api_url')
        extra_kwargs = {
            'user': {'view_name': 'api:user-detail'},
            'api_url': {'view_name': 'api:whitelist-detail'}
        }



# class ServiceLinkSerializer(serializers.ModelSerializer):
#     """ Serializer for the ServiceLink objects """
# 
#     name = serializers.CharField(source='service.service_type')
# 
#     class Meta:
#         model = Service_link
#         fields = ('name',)
# 
# 
# class MailingSerializer(serializers.ModelSerializer):
#     """ Serializer to build Mailing objects """
# 
#     name = serializers.CharField(source='pseudo')
# 
#     class Meta:
#         model = Club
#         fields = ('name',)
# 
# 
# class MailingMemberSerializer(serializers.ModelSerializer):
#     """ Serializer fot the Adherent objects (who belong to a
#     Mailing) """
# 
#     class Meta:
#         model = Adherent
#         fields = ('email',)
# 
# 
# class IpTypeField(serializers.RelatedField):
#     """ Serializer for an IpType object field """
# 
#     def to_representation(self, value):
#         return value.type
# 
#     def to_internal_value(self, data):
#         pass
# 
# 
# class IpListSerializer(serializers.ModelSerializer):
#     """ Serializer for an Ipv4List obejct using the IpType serialization """
# 
#     ip_type = IpTypeField(read_only=True)
# 
#     class Meta:
#         model = IpList
#         fields = ('ipv4', 'ip_type')
# 
# 
# class Ipv6ListSerializer(serializers.ModelSerializer):
#     """ Serializer for an Ipv6List object """
# 
#     class Meta:
#         model = Ipv6List
#         fields = ('ipv6', 'slaac_ip')
# 
# 
# class InterfaceSerializer(serializers.ModelSerializer):
#     """ Serializer for an Interface object. Use SerializerMethodField
#     to get ForeignKey values """
# 
#     ipv4 = IpListSerializer(read_only=True)
#     # TODO : use serializer.RelatedField to avoid duplicate code
#     mac_address = serializers.SerializerMethodField('get_macaddress')
#     domain = serializers.SerializerMethodField('get_dns')
#     extension = serializers.SerializerMethodField('get_interface_extension')
# 
#     class Meta:
#         model = Interface
#         fields = ('ipv4', 'mac_address', 'domain', 'extension')
# 
#     @staticmethod
#     def get_dns(obj):
#         """ The name of the associated  DNS object """
#         return obj.domain.name
# 
#     @staticmethod
#     def get_interface_extension(obj):
#         """ The name of the associated Interface object """
#         return obj.domain.extension.name
# 
#     @staticmethod
#     def get_macaddress(obj):
#         """ The string representation of the associated MAC address """
#         return str(obj.mac_address)
# 
# 
# class FullInterfaceSerializer(serializers.ModelSerializer):
#     """ Serializer for an Interface obejct. Use SerializerMethodField
#     to get ForeignKey values """
# 
#     ipv4 = IpListSerializer(read_only=True)
#     ipv6 = Ipv6ListSerializer(read_only=True, many=True)
#     # TODO : use serializer.RelatedField to avoid duplicate code
#     mac_address = serializers.SerializerMethodField('get_macaddress')
#     domain = serializers.SerializerMethodField('get_dns')
#     extension = serializers.SerializerMethodField('get_interface_extension')
# 
#     class Meta:
#         model = Interface
#         fields = ('ipv4', 'ipv6', 'mac_address', 'domain', 'extension')
# 
#     @staticmethod
#     def get_dns(obj):
#         """ The name of the associated DNS object """
#         return obj.domain.name
# 
#     @staticmethod
#     def get_interface_extension(obj):
#         """ The name of the associated Extension object """
#         return obj.domain.extension.name
# 
#     @staticmethod
#     def get_macaddress(obj):
#         """ The string representation of the associated MAC address """
#         return str(obj.mac_address)
# 
# 
# class ExtensionNameField(serializers.RelatedField):
#     """ Serializer for Extension object field """
# 
#     def to_representation(self, value):
#         return value.name
# 
#     def to_internal_value(self, data):
#         pass
# 
# 
# class TypeSerializer(serializers.ModelSerializer):
#     """ Serializer for an IpType object. Use SerializerMethodField to
#     get ForeignKey values """
# 
#     extension = ExtensionNameField(read_only=True)
#     ouverture_ports_tcp_in = serializers\
#         .SerializerMethodField('get_port_policy_input_tcp')
#     ouverture_ports_tcp_out = serializers\
#         .SerializerMethodField('get_port_policy_output_tcp')
#     ouverture_ports_udp_in = serializers\
#         .SerializerMethodField('get_port_policy_input_udp')
#     ouverture_ports_udp_out = serializers\
#         .SerializerMethodField('get_port_policy_output_udp')
# 
#     class Meta:
#         model = IpType
#         fields = ('type', 'extension', 'domaine_ip_start', 'domaine_ip_stop',
#                   'prefix_v6',
#                   'ouverture_ports_tcp_in', 'ouverture_ports_tcp_out',
#                   'ouverture_ports_udp_in', 'ouverture_ports_udp_out',)
# 
#     @staticmethod
#     def get_port_policy(obj, protocole, io):
#         """ Generic utility function to get the policy for a given
#         port, protocole and IN or OUT """
#         if obj.ouverture_ports is None:
#             return []
#         return map(
#             str,
#             obj.ouverture_ports.ouvertureport_set.filter(
#                 protocole=protocole
#             ).filter(io=io)
#         )
# 
#     def get_port_policy_input_tcp(self, obj):
#         """Renvoie la liste des ports ouverts en entrée tcp"""
#         return self.get_port_policy(obj, OuverturePort.TCP, OuverturePort.IN)
# 
#     def get_port_policy_output_tcp(self, obj):
#         """Renvoie la liste des ports ouverts en sortie tcp"""
#         return self.get_port_policy(obj, OuverturePort.TCP, OuverturePort.OUT)
# 
#     def get_port_policy_input_udp(self, obj):
#         """Renvoie la liste des ports ouverts en entrée udp"""
#         return self.get_port_policy(obj, OuverturePort.UDP, OuverturePort.IN)
# 
#     def get_port_policy_output_udp(self, obj):
#         """Renvoie la liste des ports ouverts en sortie udp"""
#         return self.get_port_policy(obj, OuverturePort.UDP, OuverturePort.OUT)
# 
# 
# class ExtensionSerializer(serializers.ModelSerializer):
#     """Serialisation d'une extension : origin_ip et la zone sont
#     des foreign_key donc evalués en get_..."""
#     origin = serializers.SerializerMethodField('get_origin_ip')
#     zone_entry = serializers.SerializerMethodField('get_zone_name')
#     soa = serializers.SerializerMethodField('get_soa_data')
# 
#     class Meta:
#         model = Extension
#         fields = ('name', 'origin', 'origin_v6', 'zone_entry', 'soa')
# 
#     @staticmethod
#     def get_origin_ip(obj):
#         """ The IP of the associated origin for the zone """
#         return obj.origin.ipv4
# 
#     @staticmethod
#     def get_zone_name(obj):
#         """ The name of the associated zone """
#         return str(obj.dns_entry)
# 
#     @staticmethod
#     def get_soa_data(obj):
#         """ The representation of the associated SOA """
#         return {'mail': obj.soa.dns_soa_mail, 'param': obj.soa.dns_soa_param}
# 
# 
# class MxSerializer(serializers.ModelSerializer):
#     """Serialisation d'un MX, evaluation du nom, de la zone
#     et du serveur cible, etant des foreign_key"""
#     name = serializers.SerializerMethodField('get_entry_name')
#     zone = serializers.SerializerMethodField('get_zone_name')
#     mx_entry = serializers.SerializerMethodField('get_mx_name')
# 
#     class Meta:
#         model = Mx
#         fields = ('zone', 'priority', 'name', 'mx_entry')
# 
#     @staticmethod
#     def get_entry_name(obj):
#         """ The name of the DNS MX entry """
#         return str(obj.name)
# 
#     @staticmethod
#     def get_zone_name(obj):
#         """ The name of the associated zone of the MX record """
#         return obj.zone.name
# 
#     @staticmethod
#     def get_mx_name(obj):
#         """ The string representation of the entry to add to the DNS """
#         return str(obj.dns_entry)
# 
# 
# class TxtSerializer(serializers.ModelSerializer):
#     """Serialisation d'un txt : zone cible et l'entrée txt
#     sont evaluées à part"""
#     zone = serializers.SerializerMethodField('get_zone_name')
#     txt_entry = serializers.SerializerMethodField('get_txt_name')
# 
#     class Meta:
#         model = Txt
#         fields = ('zone', 'txt_entry', 'field1', 'field2')
# 
#     @staticmethod
#     def get_zone_name(obj):
#         """ The name of the associated zone """
#         return str(obj.zone.name)
# 
#     @staticmethod
#     def get_txt_name(obj):
#         """ The string representation of the entry to add to the DNS """
#         return str(obj.dns_entry)
# 
# 
# class SrvSerializer(serializers.ModelSerializer):
#     """Serialisation d'un srv : zone cible et l'entrée txt"""
#     extension = serializers.SerializerMethodField('get_extension_name')
#     srv_entry = serializers.SerializerMethodField('get_srv_name')
# 
#     class Meta:
#         model = Srv
#         fields = (
#             'service',
#             'protocole',
#             'extension',
#             'ttl',
#             'priority',
#             'weight',
#             'port',
#             'target',
#             'srv_entry'
#         )
# 
#     @staticmethod
#     def get_extension_name(obj):
#         """ The name of the associated extension """
#         return str(obj.extension.name)
# 
#     @staticmethod
#     def get_srv_name(obj):
#         """ The string representation of the entry to add to the DNS """
#         return str(obj.dns_entry)
# 
# 
# class NsSerializer(serializers.ModelSerializer):
#     """Serialisation d'un NS : la zone, l'entrée ns complète et le serveur
#     ns sont évalués à part"""
#     zone = serializers.SerializerMethodField('get_zone_name')
#     ns = serializers.SerializerMethodField('get_domain_name')
#     ns_entry = serializers.SerializerMethodField('get_text_name')
# 
#     class Meta:
#         model = Ns
#         fields = ('zone', 'ns', 'ns_entry')
# 
#     @staticmethod
#     def get_zone_name(obj):
#         """ The name of the associated zone """
#         return obj.zone.name
# 
#     @staticmethod
#     def get_domain_name(obj):
#         """ The name of the associated NS target """
#         return str(obj.ns)
# 
#     @staticmethod
#     def get_text_name(obj):
#         """ The string representation of the entry to add to the DNS """
#         return str(obj.dns_entry)
# 
# 
# class DomainSerializer(serializers.ModelSerializer):
#     """Serialisation d'un domain, extension, cname sont des foreign_key,
#     et l'entrée complète, sont évalués à part"""
#     extension = serializers.SerializerMethodField('get_zone_name')
#     cname = serializers.SerializerMethodField('get_alias_name')
#     cname_entry = serializers.SerializerMethodField('get_cname_name')
# 
#     class Meta:
#         model = Domain
#         fields = ('name', 'extension', 'cname', 'cname_entry')
# 
#     @staticmethod
#     def get_zone_name(obj):
#         """ The name of the associated zone """
#         return obj.extension.name
# 
#     @staticmethod
#     def get_alias_name(obj):
#         """ The name of the associated alias """
#         return str(obj.cname)
# 
#     @staticmethod
#     def get_cname_name(obj):
#         """ The name of the associated CNAME target """
#         return str(obj.dns_entry)
# 
# 
# class ServicesSerializer(serializers.ModelSerializer):
#     """Evaluation d'un Service, et serialisation"""
#     server = serializers.SerializerMethodField('get_server_name')
#     service = serializers.SerializerMethodField('get_service_name')
#     need_regen = serializers.SerializerMethodField('get_regen_status')
# 
#     class Meta:
#         model = Service_link
#         fields = ('server', 'service', 'need_regen')
# 
#     @staticmethod
#     def get_server_name(obj):
#         """ The name of the associated server """
#         return str(obj.server.domain.name)
# 
#     @staticmethod
#     def get_service_name(obj):
#         """ The name of the service name """
#         return str(obj.service)
# 
#     @staticmethod
#     def get_regen_status(obj):
#         """ The string representation of the regen status """
#         return obj.need_regen()
# 
# 
# class OuverturePortsSerializer(serializers.Serializer):
#     """Serialisation de l'ouverture des ports"""
#     ipv4 = serializers.SerializerMethodField()
#     ipv6 = serializers.SerializerMethodField()
# 
#     def create(self, validated_data):
#         """ Creates a new object based on the un-serialized data.
#         Used to implement an abstract inherited method """
#         pass
# 
#     def update(self, instance, validated_data):
#         """ Updates an object based on the un-serialized data.
#         Used to implement an abstract inherited method """
#         pass
# 
#     @staticmethod
#     def get_ipv4():
#         """ The representation of the policy for the IPv4 addresses """
#         return {
#             i.ipv4.ipv4: {
#                 "tcp_in": [j.tcp_ports_in() for j in i.port_lists.all()],
#                 "tcp_out": [j.tcp_ports_out()for j in i.port_lists.all()],
#                 "udp_in": [j.udp_ports_in() for j in i.port_lists.all()],
#                 "udp_out": [j.udp_ports_out() for j in i.port_lists.all()],
#             }
#             for i in Interface.objects.all() if i.ipv4
#         }
# 
#     @staticmethod
#     def get_ipv6():
#         """ The representation of the policy for the IPv6 addresses """
#         return {
#             i.ipv6: {
#                 "tcp_in": [j.tcp_ports_in() for j in i.port_lists.all()],
#                 "tcp_out": [j.tcp_ports_out()for j in i.port_lists.all()],
#                 "udp_in": [j.udp_ports_in() for j in i.port_lists.all()],
#                 "udp_out": [j.udp_ports_out() for j in i.port_lists.all()],
#             }
#             for i in Interface.objects.all() if i.ipv6
#         }