80 lines
2.5 KiB
Python
80 lines
2.5 KiB
Python
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from registrasion import util
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from django.contrib.auth.models import User
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from django.core.exceptions import ObjectDoesNotExist
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from django.db import models
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from django.utils.encoding import python_2_unicode_compatible
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from model_utils.managers import InheritanceManager
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# User models
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@python_2_unicode_compatible
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class Attendee(models.Model):
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''' Miscellaneous user-related data. '''
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class Meta:
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app_label = "registrasion"
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def __str__(self):
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return "%s" % self.user
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@staticmethod
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def get_instance(user):
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''' Returns the instance of attendee for the given user, or creates
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a new one. '''
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try:
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return Attendee.objects.get(user=user)
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except ObjectDoesNotExist:
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return Attendee.objects.create(user=user)
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def save(self, *a, **k):
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while not self.access_code:
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access_code = util.generate_access_code()
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if Attendee.objects.filter(access_code=access_code).count() == 0:
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self.access_code = access_code
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return super(Attendee, self).save(*a, **k)
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user = models.OneToOneField(User, on_delete=models.CASCADE)
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# Badge/profile is linked
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access_code = models.CharField(
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max_length=6,
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unique=True,
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db_index=True,
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)
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completed_registration = models.BooleanField(default=False)
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guided_categories_complete = models.ManyToManyField("category")
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class AttendeeProfileBase(models.Model):
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''' Information for an attendee's badge and related preferences.
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Subclass this in your Django site to ask for attendee information in your
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registration progess.
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'''
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class Meta:
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app_label = "registrasion"
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objects = InheritanceManager()
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@classmethod
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def name_field(cls):
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''' This is used to pre-fill the attendee's name from the
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speaker profile. If it's None, that functionality is disabled. '''
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return None
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def invoice_recipient(self):
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''' Returns a representation of this attendee profile for the purpose
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of rendering to an invoice. Override in subclasses. '''
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# Manual dispatch to subclass. Fleh.
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slf = AttendeeProfileBase.objects.get_subclass(id=self.id)
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# Actually compare the functions.
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if type(slf).invoice_recipient != type(self).invoice_recipient:
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return type(slf).invoice_recipient(slf)
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# Return a default
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return slf.attendee.user.username
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attendee = models.OneToOneField(Attendee, on_delete=models.CASCADE)
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