1 # Copyright 2011-2012 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.
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17 # OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18 # WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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32 # or implied, of GRNET S.A.
37 from time import asctime
38 from datetime import datetime, timedelta
39 from base64 import b64encode
41 from django.conf import settings
42 from django.db import models
43 from django.contrib.auth.models import User, UserManager
44 from django.utils.translation import ugettext_lazy as _
46 from astakos.im.interface import get_quota, set_quota
48 class AstakosUser(User):
50 Extends ``django.contrib.auth.models.User`` by defining additional fields.
52 # Use UserManager to get the create_user method, etc.
53 objects = UserManager()
55 affiliation = models.CharField('Affiliation', max_length=255, blank=True)
56 provider = models.CharField('Provider', max_length=255, blank=True)
59 level = models.IntegerField('Inviter level', default=4)
60 invitations = models.IntegerField('Invitations left', default=0)
62 auth_token = models.CharField('Authentication Token', max_length=32,
63 null=True, blank=True)
64 auth_token_created = models.DateTimeField('Token creation date', null=True)
65 auth_token_expires = models.DateTimeField('Token expiration date', null=True)
67 updated = models.DateTimeField('Update date')
68 is_verified = models.BooleanField('Is verified?', default=False)
72 return '%s %s' %(self.first_name, self.last_name)
75 def realname(self, value):
76 parts = value.split(' ')
78 self.first_name = parts[0]
79 self.last_name = parts[1]
81 self.last_name = parts[0]
85 return get_quota(self.username)
88 def quota(self, value):
89 set_quota(self.username, value)
94 return Invitation.objects.get(username=self.username)
95 except Invitation.DoesNotExist:
98 def save(self, update_timestamps=True, **kwargs):
101 self.date_joined = datetime.now()
102 self.updated = datetime.now()
104 super(AstakosUser, self).save(**kwargs)
107 if self.invitation and not self.invitation.is_consumed:
108 self.invitation.consume()
110 def renew_token(self):
112 md5.update(self.username)
113 md5.update(self.realname.encode('ascii', 'ignore'))
114 md5.update(asctime())
116 self.auth_token = b64encode(md5.digest())
117 self.auth_token_created = datetime.now()
118 self.auth_token_expires = self.auth_token_created + \
119 timedelta(hours=settings.AUTH_TOKEN_DURATION)
121 def __unicode__(self):
124 class Invitation(models.Model):
126 Model for registring invitations
128 inviter = models.ForeignKey(AstakosUser, related_name='invitations_sent',
130 realname = models.CharField('Real name', max_length=255)
131 username = models.CharField('Unique ID', max_length=255)
132 code = models.BigIntegerField('Invitation code', db_index=True)
133 #obsolete: we keep it just for transfering the data
134 is_accepted = models.BooleanField('Accepted?', default=False)
135 is_consumed = models.BooleanField('Consumed?', default=False)
136 created = models.DateTimeField('Creation date', auto_now_add=True)
137 #obsolete: we keep it just for transfering the data
138 accepted = models.DateTimeField('Acceptance date', null=True, blank=True)
139 consumed = models.DateTimeField('Consumption date', null=True, blank=True)
142 self.is_consumed = True
143 self.consumed = datetime.now()
146 def __unicode__(self):
147 return '%s -> %s [%d]' % (self.inviter, self.username, self.code)