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1 """
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2 Models for the email_list application.
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3
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4 """
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5 import base64
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6 import datetime
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7 import hashlib
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8
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9 from django.db import models
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10 from django.conf import settings
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11
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12
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13 class Subscriber(models.Model):
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14 status_codes = [('P', 'Pending'), ('A', 'Active'), ('L', 'Leaving')]
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15 key_length = 28
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16
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17 name = models.CharField(max_length=64, blank=True)
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18 email = models.EmailField(db_index=True)
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19 location = models.CharField(max_length=64, blank=True)
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20 status = models.CharField(max_length=1, choices=status_codes, default='A')
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21 key = models.CharField(max_length=key_length, editable=False, blank=True,
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22 db_index=True)
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23 status_date = models.DateTimeField(editable=False)
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24
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25 class Meta:
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26 ordering = ['name', 'email']
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27
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28 def __unicode__(self):
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29 if self.name:
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30 return u'%s <%s>' % (self.name, self.email)
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31 return self.email
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32
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33 def save(self, *args, **kwargs):
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34 if not self.pk and not self.status_date:
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35 self.status_date = datetime.datetime.now()
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36
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37 super(Subscriber, self).save(*args, **kwargs)
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38
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39 def set_pending(self):
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40 self.status = 'P'
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41 self.status_date = datetime.datetime.now()
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42 self.gen_key()
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43
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44 def set_active(self):
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45 self.status = 'A'
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46 self.status_date = datetime.datetime.now()
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47 self.key = ''
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48
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49 def set_leaving(self):
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50 self.status = 'L'
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51 self.status_date = datetime.datetime.now()
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52 self.gen_key()
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53
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54 def is_pending(self):
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55 return self.status == 'P'
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56
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57 def is_leaving(self):
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58 return self.status == 'L'
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59
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60 def is_active(self):
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61 return self.status == 'A'
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62
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63 def gen_key(self):
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64 source = (settings.SECRET_KEY + self.email + self.name + self.location +
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65 self.status + self.status_date.isoformat())
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66
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67 sha = hashlib.sha1()
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68 sha.update(source)
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69 self.key = base64.urlsafe_b64encode(sha.digest())
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