def handle_post(self, request, user, *args, **kwargs):
        """Treat requests POST to add Administrative Permission.

        URL: aperms/
        """

        try:

            self.log.info('Add Administrative Permission')

            # User permission
            if not has_perm(user, AdminPermission.USER_ADMINISTRATION, AdminPermission.WRITE_OPERATION):
                self.log.error(
                    u'User does not have permission to perform the operation.')
                raise UserNotAuthorizedError(None)

            # Load XML data
            xml_map, attrs_map = loads(request.raw_post_data)

            # XML data format
            networkapi_map = xml_map.get('networkapi')
            if networkapi_map is None:
                return self.response_error(3, u'There is no value to the networkapi tag  of XML request.')

            perm_map = networkapi_map.get('administrative_permission')
            if perm_map is None:
                return self.response_error(3, u'There is no value to the administrative_permission tag  of XML request.')

            # Get XML data
            id_permission = perm_map.get('id_permission')
            id_group = perm_map.get('id_group')
            read = perm_map.get('read')
            write = perm_map.get('write')

            # Valid ID Permission
            if not is_valid_int_greater_zero_param(id_permission):
                self.log.error(
                    u'The id_permission parameter is not a valid value: %s.', id_permission)
                raise InvalidValueError(None, 'id_permission', id_permission)

            # Valid ID Group
            if not is_valid_int_greater_zero_param(id_group):
                self.log.error(
                    u'The id_group parameter is not a valid value: %s.', id_group)
                raise InvalidValueError(None, 'id_group', id_group)

            # Valid Read
            if not is_valid_boolean_param(read):
                self.log.error(
                    u'The read parameter is not a valid value: %s.', read)
                raise InvalidValueError(None, 'read', read)

            # Valid Read
            if not is_valid_boolean_param(write):
                self.log.error(
                    u'The write parameter is not a valid value: %s.', write)
                raise InvalidValueError(None, 'write', write)

            # Find Permission by ID to check if it exist
            permission = Permission.get_by_pk(id_permission)

            # Find UGroup by ID to check if it exist
            ugroup = UGrupo.get_by_pk(id_group)

            try:
                PermissaoAdministrativa.get_permission_by_permission_ugroup(
                    id_permission, id_group)
                raise PermissaoAdministrativaDuplicatedError(
                    None, permission.function)
            except PermissaoAdministrativaNotFoundError:
                pass

            adm_perm = PermissaoAdministrativa()

            # set variables
            adm_perm.permission = permission
            adm_perm.ugrupo = ugroup
            adm_perm.leitura = convert_string_or_int_to_boolean(read)
            adm_perm.escrita = convert_string_or_int_to_boolean(write)

            try:
                # save Administrative Permission
                adm_perm.save()
            except Exception, e:
                self.log.error(
                    u'Failed to save the administrative permission.')
                raise GrupoError(
                    e, u'Failed to save the administrative permission.')

            perm_map = dict()
            perm_map['perm'] = model_to_dict(
                adm_perm, exclude=['permission', 'leitura', 'escrita', 'ugrupo'])

            return self.response(dumps_networkapi(perm_map))
    def handle_post(self, request, user, *args, **kwargs):
        """Treat POST request to add new user group.

        URL: ugroup/
        """
        try:
            if not has_perm(user, AdminPermission.USER_ADMINISTRATION, AdminPermission.WRITE_OPERATION):
                self.log.error(
                    u'User does not have permission to perform the operation.')
                raise UserNotAuthorizedError(None)

            xml_map, attrs_map = loads(request.raw_post_data)
            self.log.debug('XML_MAP: %s', xml_map)

            networkapi_map = xml_map.get('networkapi')
            if networkapi_map is None:
                return self.response_error(3, u'There is no networkapi tag in request XML.')

            ugroup_map = networkapi_map.get('user_group')
            if ugroup_map is None:
                return self.response_error(3, u'There is no user_group tag in request XML.')

            # Valid name
            name = ugroup_map.get('nome')
            if not is_valid_string_minsize(name, 3) or not is_valid_string_maxsize(name, 100) or not is_valid_text(name):
                self.log.error(u'Parameter name is invalid. Value: %s', name)
                raise InvalidValueError(None, 'name', name)

            read = ugroup_map.get('leitura')
            if not is_valid_yes_no_choice(read):
                self.log.error(u'Parameter read is invalid. Value: %s', read)
                raise InvalidValueError(None, 'read', read)

            write = ugroup_map.get('escrita')
            if not is_valid_yes_no_choice(write):
                self.log.error(u'Parameter write is invalid. Value: %s', write)
                raise InvalidValueError(None, 'write', write)

            edit = ugroup_map.get('edicao')
            if not is_valid_yes_no_choice(edit):
                self.log.error(u'Parameter edit is invalid. Value: %s', edit)
                raise InvalidValueError(None, 'edit', edit)

            remove = ugroup_map.get('exclusao')
            if not is_valid_yes_no_choice(remove):
                self.log.error(
                    u'Parameter remove is invalid. Value: %s', remove)
                raise InvalidValueError(None, 'remove', remove)

            ugroup = UGrupo()
            ugroup.nome = name
            ugroup.leitura = read
            ugroup.escrita = write
            ugroup.edicao = edit
            ugroup.exclusao = remove

            try:
                UGrupo.objects.get(nome__iexact=ugroup.nome)
                raise UGrupoNameDuplicatedError(
                    None, u'User group with name %s already exists' % name)
            except UGrupo.DoesNotExist:
                pass

            try:
                # save user group
                ugroup.save()

                adm_perm = PermissaoAdministrativa()

                if ASSOCIATE_PERMISSION_AUTOMATICALLY:
                    # Automatically associate 'authenticate' permission for
                    # this group
                    adm_perm.permission = Permission.get_by_pk(
                        ID_AUTHENTICATE_PERMISSION)
                    adm_perm.ugrupo = ugroup
                    adm_perm.leitura = False
                    adm_perm.escrita = True
                    adm_perm.save()

            except Exception, e:
                self.log.error(u'Failed to save the GroupUser.')
                raise GrupoError(e, u'Failed to save the GroupUser.')

            return self.response(dumps_networkapi({'user_group': {'id': ugroup.id}}))