1 # Copyright 2011 GRNET S.A. All rights reserved.
3 # Redistribution and use in source and binary forms, with or
4 # without modification, are permitted provided that the following
7 # 1. Redistributions of source code must retain the above
8 # copyright notice, this list of conditions and the following
11 # 2. Redistributions in binary form must reproduce the above
12 # copyright notice, this list of conditions and the following
13 # disclaimer in the documentation and/or other materials
14 # provided with the distribution.
16 # THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
17 # OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18 # WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19 # PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
20 # CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
23 # USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
24 # AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
26 # ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
27 # POSSIBILITY OF SUCH DAMAGE.
29 # The views and conclusions contained in the software and
30 # documentation are those of the authors and should not be
31 # interpreted as representing official policies, either expressed
32 # or implied, of GRNET S.A.
36 from django.utils.translation import ugettext as _
37 from django.template.loader import render_to_string
38 from django.core.mail import send_mail
39 from django.core.urlresolvers import reverse
40 from urlparse import urljoin
41 from random import randint
43 from astakos.im.settings import DEFAULT_CONTACT_EMAIL, DEFAULT_FROM_EMAIL, SITENAME, BASEURL
44 from astakos.im.models import Invitation
46 logger = logging.getLogger(__name__)
48 def activate(user, email_template_name='im/welcome_email.txt'):
50 Activates the specific user and sends email.
52 Raises SMTPException, socket.error
56 subject = _('Welcome to %s alpha2 testing' % SITENAME)
57 message = render_to_string(email_template_name, {
59 'url': urljoin(BASEURL, reverse('astakos.im.views.index')),
61 'site_name': SITENAME,
62 'support': DEFAULT_CONTACT_EMAIL})
63 sender = DEFAULT_FROM_EMAIL
64 send_mail(subject, message, sender, [user.email])
65 logger.info('Sent greeting %s', user)
67 def _generate_invitation_code():
69 code = randint(1, 2L**63 - 1)
71 Invitation.objects.get(code=code)
72 # An invitation with this code already exists, try again
73 except Invitation.DoesNotExist:
76 def invite(inviter, username, realname):
78 Send an invitation email and upon success reduces inviter's invitation by one.
80 Raises SMTPException, socket.error
82 code = _generate_invitation_code()
83 invitation = Invitation(inviter=inviter,
88 subject = _('Invitation to %s alpha2 testing' % SITENAME)
89 url = '%s?code=%d' % (urljoin(BASEURL, reverse('astakos.im.views.signup')), code)
90 message = render_to_string('im/invitation.txt', {
91 'invitation': invitation,
95 'support': DEFAULT_CONTACT_EMAIL})
96 sender = DEFAULT_FROM_EMAIL
97 send_mail(subject, message, sender, [invitation.username])
98 logger.info('Sent invitation %s', invitation)
99 inviter.invitations = max(0, inviter.invitations - 1)