86 lines
No EOL
2.8 KiB
Python
86 lines
No EOL
2.8 KiB
Python
from django.db import models
|
|
|
|
from pinaxcon.raffle.mixins import PrizeMixin, RaffleMixin
|
|
|
|
|
|
class Raffle(RaffleMixin, models.Model):
|
|
"""
|
|
Stores a single Raffle object, related to one or many
|
|
:model:`pinaxcon_registrasion.Product`, which is usually a raffle ticket,
|
|
but can be set to tickets or other products for door prizes.
|
|
"""
|
|
description = models.CharField(max_length=255)
|
|
products = models.ManyToManyField('registrasion.Product')
|
|
hidden = models.BooleanField(default=True)
|
|
|
|
def __str__(self):
|
|
return self.description
|
|
|
|
|
|
class Prize(PrizeMixin, models.Model):
|
|
"""
|
|
Stores a Prize for a given :model:`pinaxcon_raffle.Raffle`.
|
|
|
|
Once `winning_ticket` has been set to a :model:`pinaxcon_raffle.DrawnTicket`
|
|
object, no further changes are permitted unless the object is explicitely
|
|
unlocked.
|
|
"""
|
|
description = models.CharField(max_length=255)
|
|
raffle = models.ForeignKey('pinaxcon_raffle.Raffle', related_name='prizes')
|
|
order = models.PositiveIntegerField()
|
|
winning_ticket = models.OneToOneField(
|
|
'pinaxcon_raffle.DrawnTicket', null=True,
|
|
blank=True, related_name='+', on_delete=models.PROTECT
|
|
)
|
|
|
|
class Meta:
|
|
unique_together = ('raffle', 'order')
|
|
|
|
def __str__(self):
|
|
return f"{self.order}. Prize: {self.description}"
|
|
|
|
|
|
class PrizeAudit(models.Model):
|
|
"""
|
|
Stores an audit event for changes to a particular :model:`pinaxcon_raffle.Prize`.
|
|
"""
|
|
reason = models.CharField(max_length=255)
|
|
prize = models.ForeignKey('pinaxcon_raffle.Prize', related_name='audit_events')
|
|
|
|
user = models.ForeignKey('auth.User')
|
|
timestamp = models.DateTimeField(auto_now_add=True)
|
|
|
|
class Meta:
|
|
ordering = ('-timestamp',)
|
|
|
|
def __str__(self):
|
|
return self.reason
|
|
|
|
|
|
class Draw(models.Model):
|
|
"""
|
|
Stores a draw for a given :model:`pinaxcon_raffle.Raffle`, along with audit fields
|
|
for the creating :model:`auth.User` and the creation timestamp.
|
|
"""
|
|
raffle = models.ForeignKey('pinaxcon_raffle.Raffle', related_name='draws')
|
|
drawn_by = models.ForeignKey('auth.User')
|
|
drawn_time = models.DateTimeField(auto_now_add=True)
|
|
|
|
def __str__(self):
|
|
return f"{self.raffle}: {self.drawn_time}"
|
|
|
|
|
|
class DrawnTicket(models.Model):
|
|
"""
|
|
Stores the result of a ticket draw, along with the corresponding
|
|
:model:`pinaxcon_raffle.Draw`, :model:`pinaxcon_raffle.Prize` and the
|
|
:model:`registrasion.commerce.LineItem` from which it was generated.
|
|
"""
|
|
ticket = models.CharField(max_length=255)
|
|
|
|
draw = models.ForeignKey('pinaxcon_raffle.Draw')
|
|
prize = models.ForeignKey('pinaxcon_raffle.Prize')
|
|
lineitem = models.ForeignKey('registrasion.LineItem')
|
|
|
|
def __str__(self):
|
|
return f"{self.ticket}: {self.draw.raffle}" |