rattail-mailchimp/rattail_mailchimp/importing/model.py

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# -*- coding: utf-8; -*-
################################################################################
#
# Rattail -- Retail Software Framework
# Copyright © 2010-2021 Lance Edgar
#
# This file is part of Rattail.
#
# Rattail 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 3 of the License, or (at your option) any later
# version.
#
# Rattail 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
# Rattail. If not, see <http://www.gnu.org/licenses/>.
#
################################################################################
"""
Rattail/MailChimp model importers
"""
from rattail.importing.model import ToRattail
from rattail_mailchimp.db import model
##############################
# custom models
##############################
class MailChimpListImporter(ToRattail):
"""
Importer for MailChimpList data
"""
model_class = model.MailChimpList
class MailChimpListMemberImporter(ToRattail):
"""
Importer for MailChimpListMember data
"""
model_class = model.MailChimpListMember
@property
def supported_fields(self):
return self.simple_fields + [
'list_id',
]
def setup(self):
super(MailChimpListMemberImporter, self).setup()
if 'list_id' in self.fields:
model = self.model
self.mailchimp_lists = self.cache_model(model.MailChimpList,
key='id')
def get_mailchimp_list(self, list_id):
if hasattr(self, 'mailchimp_lists'):
return self.mailchimp_lists.get(list_id)
model = self.model
return self.session.query(model.MailChimpList)\
.filter(model.MailChimpList.id == list_id)\
.first()
def normalize_local_object(self, member):
data = super(MailChimpListMemberImporter, self).normalize_local_object(member)
if 'list_id' in self.fields:
data['list_id'] = member.list.id if member.list else None
return data
def update_object(self, member, data, local_data=None):
member = super(MailChimpListMemberImporter, self).update_object(member, data, local_data)
if 'list_id' in self.fields:
list_id = data['list_id']
if list_id:
mclist = self.get_mailchimp_list(list_id)
assert mclist
member.list = mclist
elif member.list:
member.list = None
return member