contact/mailing.py

   1 # -*- coding: utf-8 -*-
   2
   3 from hashlib import md5
   4
   5 import requests
   6 from django.conf import settings
   7 from mailchimp3 import MailChimp
   8 from mailchimp3.mailchimpclient import MailChimpError
   9
  10 INTERESTS = {settings.MAILCHIMP_GROUP_ID: True}
  11
  12
  13 def get_client():
  14     headers = requests.utils.default_headers()
  15     headers['User-Agent'] = '%s (%s)' % settings.MANAGERS[0]
  16
  17
  18 def subscriber_hash(email):
  19     return md5(email).hexdigest()
  20
  21
  22 def remove_from_groups(email, client):
  23     group_ids = []
  24     categories = client.lists.interest_categories.all(list_id=settings.MAILCHIMP_LIST_ID)['categories']
  25     for category in categories:
  26         groups = client.lists.interest_categories.interests.all(
  27             list_id=settings.MAILCHIMP_LIST_ID, category_id=category['id'])['interests']
  28         group_ids += [group['id'] for group in groups]
  29     interests = {group_id: False for group_id in group_ids}
  30     client.lists.members.update(
  31          settings.MAILCHIMP_LIST_ID, subscriber_hash(email),
  32          data={'interests': interests})
  33
  34
  35 def subscribe(email):
  36     client = MailChimp(mc_api=settings.MAILCHIMP_API_KEY, timeout=10.0)
  37     try:
  38         member = client.lists.members.get(settings.MAILCHIMP_LIST_ID, subscriber_hash(email))
  39     except MailChimpError:
  40         pass
  41     else:
  42         if member['status'] != 'subscribed':
  43             remove_from_groups(email, client)
  44     try:
  45         client.lists.members.create_or_update(
  46             settings.MAILCHIMP_LIST_ID, subscriber_hash(email),
  47             data={
  48                 'email_address': email,
  49                 'status_if_new': 'subscribed',
  50                 'status': 'subscribed',
  51                 'interests': INTERESTS,
  52             }
  53         )
  54     except MailChimpError:
  55         pass