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26 lines
1.1 KiB
26 lines
1.1 KiB
from django.db import models
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import uuid
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from django.db.models.signals import post_save
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from datetime import datetime, timedelta
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from django.core.validators import MinValueValidator, MaxValueValidator
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from django.contrib.auth.models import User
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class Discount(models.Model):
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user = models.OneToOneField(User, on_delete=models.CASCADE, null=True)
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code = models.CharField(max_length=50, blank=True, unique=True, default=str(uuid.uuid4()))
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valid_from = models.DateTimeField(default=datetime.now, blank=True)
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valid_to = models.DateTimeField(default=datetime.now()+timedelta(days=7), blank=True)
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discount = models.IntegerField(validators=[MinValueValidator(0), MaxValueValidator(100)], default=10)
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active = models.BooleanField(default=True)
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def __str__(self):
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return self.code
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def create_discount(sender, **kwargs):
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if kwargs['created']:
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user_discount = Discount.objects.create(user=kwargs['instance'])
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# post_save.connect(create_discount, sender=User)
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User.discount = property(lambda u: Discount.objects.get_or_create(user=u)[0])
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