26 lines
969 B
Python
26 lines
969 B
Python
from django.db import models
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from accounts.models import User
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class RegistrationCode(models.Model):
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code = models.CharField(max_length=32, unique=True, verbose_name="注册码")
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manager = models.ForeignKey(
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User,
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on_delete=models.CASCADE,
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limit_choices_to={"role": "manager"},
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verbose_name="对应分管理"
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)
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description = models.CharField(max_length=100, blank=True, verbose_name="说明")
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usage_limit = models.IntegerField(default=1, verbose_name="最多使用次数")
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used_count = models.IntegerField(default=0, verbose_name="已使用次数")
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created_at = models.DateTimeField(auto_now_add=True, verbose_name="创建时间")
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class Meta:
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verbose_name = "注册码申请"
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verbose_name_plural = "注册码申请"
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def __str__(self):
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return f"{self.code} ({self.used_count}/{self.usage_limit})"
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def is_available(self):
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return self.used_count < self.usage_limit
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