old_contents: from django.db import models
  from storemanage.models import Currency, Ticket
  from django.contrib.auth.models import User
  
  # Create your models here.
  class Wallet(models.Model):
      currency = models.ForeignKey(Currency, on_delete=models.CASCADE)
      user = models.ForeignKey(User, on_delete=models.CASCADE)
      amount = models.PositiveIntegerField(default=2)
  
  class Coupon(models.Model):
      ticket = models.ForeignKey(Ticket, on_delete=models.CASCADE)
      user = models.ForeignKey(User, on_delete=models.CASCADE)
      remaining_date = models.DateTimeField(null=True)
      active = models.BooleanField(default=True)
  
new_contents: from django.db import models
  from storemanage.models import Currency, Ticket
  from django.contrib.auth.models import User
  
  # Create your models here.
  class Wallet(models.Model):
      currency = models.ForeignKey(Currency, on_delete=models.CASCADE)
      user = models.ForeignKey(User, on_delete=models.CASCADE)
      amount = models.PositiveIntegerField(default=0)
  
  class Coupon(models.Model):
      ticket = models.ForeignKey(Ticket, on_delete=models.CASCADE)
      user = models.ForeignKey(User, on_delete=models.CASCADE)
      remaining_date = models.DateTimeField(null=True)
      active = models.BooleanField(default=True)
  
subject: change wallet default money