"""Django 内置用户的非认证资料模型。"""

from django.conf import settings
from django.db import models

from common.models import TimeStampedModel


class UserProfile(TimeStampedModel):
    """保存可独立演进的展示资料，不复制认证字段。"""

    user = models.OneToOneField(
        settings.AUTH_USER_MODEL,
        on_delete=models.CASCADE,
        related_name="profile",
        verbose_name="用户",
    )
    display_name = models.CharField("显示名", max_length=80, blank=True)
    timezone = models.CharField("时区", max_length=64, default="Asia/Shanghai")

    class Meta:
        verbose_name = "用户资料"
        verbose_name_plural = "用户资料"

    def __str__(self):
        return self.display_name or self.user.get_username()