117 lines
4.2 KiB
Python
117 lines
4.2 KiB
Python
from django.db import models
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from django_ckeditor_5.fields import CKEditor5Field
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from users.models import User, Department
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# Create your models here.
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from django.db import models
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from django.core.exceptions import ValidationError
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class Section(models.Model):
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name = models.CharField('板块名称', max_length=100, unique=True)
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code = models.SlugField('唯一标识', max_length=50, unique=True, help_text='用于模板或URL识别，建议英文')
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parent = models.ForeignKey(
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'self',
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on_delete=models.CASCADE,
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null=True,
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blank=True,
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related_name='subsections',
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verbose_name='所属主板块'
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)
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order = models.PositiveSmallIntegerField('排序权重', default=0)
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enabled = models.BooleanField('启用状态', default=True)
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class Meta:
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verbose_name = '板块'
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verbose_name_plural = '板块管理'
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ordering = ('order', 'name')
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def __str__(self):
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if self.parent:
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return f"{self.parent.name} → {self.name}"
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return self.name
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def clean(self):
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super().clean()
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# 禁止子板块再设父级（即最多两级）
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if self.parent and self.parent.parent:
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raise ValidationError('子板块不能再设置子级，最多只允许一级嵌套。')
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# 防止自引用
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if self.pk and self.parent and self.parent.pk == self.pk:
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raise ValidationError('板块不能以自身为父级。')
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@property
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def is_sub(self):
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"""是否为子板块"""
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return self.parent is not None
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@property
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def is_main(self):
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"""是否为主板块（无父级）"""
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return self.parent is None
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class Carousel(models.Model):
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title = models.CharField("轮播标题", max_length=100)
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image = models.ImageField("图片", upload_to='carousel/')
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link_url = models.URLField("跳转链接", blank=True)
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order = models.IntegerField("排序", default=0)
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active = models.BooleanField("启用", default=True)
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class Meta:
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verbose_name = "轮播图"
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verbose_name_plural = "轮播管理"
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class Article(models.Model):
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title = models.CharField("标题", max_length=200)
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section = models.ForeignKey(Section, on_delete=models.CASCADE, verbose_name="所属板块")
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author = models.ForeignKey(User, on_delete=models.SET_NULL, null=True, verbose_name="作者")
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content = CKEditor5Field("正文") # 需安装 django-ckeditor
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cover = models.ImageField("封面图", upload_to='articles/', blank=True)
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is_published = models.BooleanField("已发布", default=True)
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created_at = models.DateTimeField("创建时间", auto_now_add=True)
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updated_at = models.DateTimeField("更新时间", auto_now=True)
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class Meta:
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verbose_name = "文章"
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verbose_name_plural = "文章管理"
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def __str__(self):
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return self.title
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class Notice(models.Model):
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title = models.CharField("通知标题", max_length=200)
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content = CKEditor5Field("通知内容")
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publisher = models.ForeignKey(User, on_delete=models.SET_NULL, null=True, verbose_name="发布人")
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target_departments = models.ManyToManyField(Department, blank=True, verbose_name="接收部门") # 可指定发给哪些部门
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require_sign = models.BooleanField("是否需要签收", default=False)
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is_published = models.BooleanField("已发布", default=True)
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created_at = models.DateTimeField("发布时间", auto_now_add=True)
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updated_at = models.DateTimeField("更新时间", auto_now=True)
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class Meta:
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verbose_name = "通知"
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verbose_name_plural = "通知管理"
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def __str__(self):
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return self.title
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class NoticeReceipt(models.Model):
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"""签收记录"""
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notice = models.ForeignKey(Notice, on_delete=models.CASCADE, related_name='receipts')
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user = models.ForeignKey(User, on_delete=models.CASCADE, verbose_name="签收人")
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signed_at = models.DateTimeField("签收时间", auto_now_add=True)
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class Meta:
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unique_together = ('notice', 'user') # 防止重复签收
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verbose_name = "签收记录"
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verbose_name_plural = "签收管理"
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def __str__(self):
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return f"{self.user.cname} 已签收《{self.notice.title}》"
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