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<<<<<<< HEAD
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<<<<<<< HEAD
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from django.contrib.auth.models import AbstractUser
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=======
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import logging
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import re
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from abc import abstractmethod
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from django.conf import settings
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from django.core.exceptions import ValidationError
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>>>>>>> hyt_branch
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from django.db import models
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from django.urls import reverse
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from django.utils.timezone import now
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from django.utils.translation import gettext_lazy as _
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<<<<<<< HEAD
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from djangoblog.utils import get_current_site
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# Create your models here.
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class BlogUser(AbstractUser):
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nickname = models.CharField(_('nick name'), max_length=100, blank=True)
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creation_time = models.DateTimeField(_('creation time'), default=now)
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last_modify_time = models.DateTimeField(_('last modify time'), default=now)
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source = models.CharField(_('create source'), max_length=100, blank=True)
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def get_absolute_url(self):
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return reverse(
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'blog:author_detail', kwargs={
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'author_name': self.username})
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def __str__(self):
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return self.email
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def get_full_url(self):
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=======
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from mdeditor.fields import MDTextField
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from uuslug import slugify
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from djangoblog.utils import cache_decorator, cache
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from djangoblog.utils import get_current_site
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logger = logging.getLogger(__name__)
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class LinkShowType(models.TextChoices):
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"""
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链接显示类型选择
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定义友情链接在网站中的显示位置
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"""
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I = ('i', _('index')) # 首页显示
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L = ('l', _('list')) # 列表页显示
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P = ('p', _('post')) # 文章页显示
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A = ('a', _('all')) # 所有页面显示
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S = ('s', _('slide')) # 幻灯片显示
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class BaseModel(models.Model):
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"""
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基础模型类
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所有模型的基类，提供公共字段和方法
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"""
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id = models.AutoField(primary_key=True) # 自增主键
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creation_time = models.DateTimeField(_('creation time'), default=now) # 创建时间
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last_modify_time = models.DateTimeField(_('modify time'), default=now) # 最后修改时间
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def save(self, *args, **kwargs):
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"""
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重写保存方法
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处理文章浏览量更新和自动生成slug
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"""
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# 检查是否为文章视图更新操作（优化性能，避免完整保存）
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is_update_views = isinstance(
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self,
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Article) and 'update_fields' in kwargs and kwargs['update_fields'] == ['views']
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if is_update_views:
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# 只更新浏览量字段，提高性能
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Article.objects.filter(pk=self.pk).update(views=self.views)
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else:
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# 自动生成slug（URL友好字符串）
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if 'slug' in self.__dict__:
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slug = getattr(
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self, 'title') if 'title' in self.__dict__ else getattr(
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self, 'name')
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setattr(self, 'slug', slugify(slug))
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# 调用父类保存方法
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super().save(*args, **kwargs)
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def get_full_url(self):
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"""获取完整的URL地址（包含域名）"""
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>>>>>>> hyt_branch
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site = get_current_site().domain
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url = "https://{site}{path}".format(site=site,
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path=self.get_absolute_url())
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return url
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class Meta:
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<<<<<<< HEAD
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ordering = ['-id']
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verbose_name = _('user')
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verbose_name_plural = verbose_name
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get_latest_by = 'id'
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=======
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from django.conf import settings
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from django.db import models
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from django.utils.timezone import now
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from django.utils.translation import gettext_lazy as _
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from blog.models import Article
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# 评论模型，存储用户对文章的评论及评论间的嵌套关系
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class Comment(models.Model):
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body = models.TextField('正文', max_length=300) # 评论内容，限制最大长度300字符
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creation_time = models.DateTimeField(_('creation time'), default=now) # 评论创建时间，默认当前时间
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last_modify_time = models.DateTimeField(_('last modify time'), default=now) # 评论最后修改时间，默认当前时间
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author = models.ForeignKey(
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settings.AUTH_USER_MODEL, # 关联Django内置用户模型，便于扩展用户系统
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verbose_name=_('author'),
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on_delete=models.CASCADE) # 级联删除：用户删除时，其评论也会被删除
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article = models.ForeignKey(
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Article,
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verbose_name=_('article'),
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on_delete=models.CASCADE) # 级联删除：文章删除时，其下所有评论也会被删除
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parent_comment = models.ForeignKey(
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'self', # 自关联，实现评论嵌套回复功能
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verbose_name=_('parent comment'),
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blank=True,
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null=True, # 允许为空，表示该评论是顶级评论（不是回复）
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on_delete=models.CASCADE) # 级联删除：父评论删除时，其所有子评论也会被删除
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is_enable = models.BooleanField(_('enable'),
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default=False, blank=False, null=False) # 评论是否启用（可用于审核功能）
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class Meta:
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ordering = ['-id'] # 默认按ID降序排列，最新评论显示在前面
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verbose_name = _('comment')
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verbose_name_plural = verbose_name
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get_latest_by = 'id' # 指定通过id字段获取最新记录
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def __str__(self):
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return self.body
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>>>>>>> zh_branch
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=======
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abstract = True # 抽象基类，不会创建数据库表
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@abstractmethod
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def get_absolute_url(self):
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"""抽象方法：获取对象的绝对URL，子类必须实现"""
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pass
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class Article(BaseModel):
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"""
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文章模型
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博客系统的核心模型，存储所有文章内容
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"""
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# 文章状态选择
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STATUS_CHOICES = (
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('d', _('Draft')), # 草稿
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('p', _('Published')), # 已发布
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)
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# 评论状态选择
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COMMENT_STATUS = (
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('o', _('Open')), # 开启评论
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('c', _('Close')), # 关闭评论
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)
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# 内容类型选择
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TYPE = (
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('a', _('Article')), # 普通文章
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('p', _('Page')), # 独立页面
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)
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# 基础字段
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title = models.CharField(_('title'), max_length=200, unique=True) # 文章标题，唯一
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body = MDTextField(_('body')) # 文章内容，使用Markdown编辑器
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pub_time = models.DateTimeField(_('publish time'), blank=False, null=False, default=now) # 发布时间
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# 状态字段
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status = models.CharField(_('status'), max_length=1, choices=STATUS_CHOICES, default='p') # 发布状态
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comment_status = models.CharField(_('comment status'), max_length=1, choices=COMMENT_STATUS, default='o') # 评论状态
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type = models.CharField(_('type'), max_length=1, choices=TYPE, default='a') # 内容类型
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# 统计字段
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views = models.PositiveIntegerField(_('views'), default=0) # 浏览次数
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# 关联字段
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author = models.ForeignKey(settings.AUTH_USER_MODEL, verbose_name=_('author'),
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blank=False, null=False, on_delete=models.CASCADE) # 作者
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article_order = models.IntegerField(_('order'), blank=False, null=False, default=0) # 文章排序
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# 功能字段
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show_toc = models.BooleanField(_('show toc'), blank=False, null=False, default=False) # 是否显示目录
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category = models.ForeignKey('Category', verbose_name=_('category'),
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on_delete=models.CASCADE, blank=False, null=False) # 分类
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tags = models.ManyToManyField('Tag', verbose_name=_('tag'), blank=True) # 标签，多对多关系
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def body_to_string(self):
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"""将文章内容转换为字符串"""
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return self.body
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def __str__(self):
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"""对象的字符串表示"""
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return self.title
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class Meta:
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ordering = ['-article_order', '-pub_time'] # 默认按排序和发布时间降序排列
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verbose_name = _('article') # 单数显示名称
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verbose_name_plural = verbose_name # 复数显示名称
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get_latest_by = 'id' # 获取最新记录的依据字段
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def get_absolute_url(self):
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"""获取文章的绝对URL，包含年月日信息用于SEO"""
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return reverse('blog:detailbyid', kwargs={
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'article_id': self.id,
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'year': self.creation_time.year,
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'month': self.creation_time.month,
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'day': self.creation_time.day
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})
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@cache_decorator(60 * 60 * 10) # 缓存10小时
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def get_category_tree(self):
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"""获取文章所属分类的树形结构，用于面包屑导航"""
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tree = self.category.get_category_tree()
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names = list(map(lambda c: (c.name, c.get_absolute_url()), tree))
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return names
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def save(self, *args, **kwargs):
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"""保存文章，调用父类保存逻辑"""
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super().save(*args, **kwargs)
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def viewed(self):
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"""增加文章浏览量，使用update_fields优化性能"""
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self.views += 1
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self.save(update_fields=['views'])
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def comment_list(self):
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"""获取文章评论列表（带缓存）"""
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cache_key = 'article_comments_{id}'.format(id=self.id)
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value = cache.get(cache_key)
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if value:
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logger.info('get article comments:{id}'.format(id=self.id))
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return value
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else:
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# 获取已启用的评论并按ID降序排列
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comments = self.comment_set.filter(is_enable=True).order_by('-id')
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cache.set(cache_key, comments, 60 * 100) # 缓存100分钟
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logger.info('set article comments:{id}'.format(id=self.id))
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return comments
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def get_admin_url(self):
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"""获取文章在Admin后台的URL"""
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info = (self._meta.app_label, self._meta.model_name)
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return reverse('admin:%s_%s_change' % info, args=(self.pk,))
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@cache_decorator(expiration=60 * 100) # 缓存100分钟
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def next_article(self):
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"""获取下一篇文章（按ID顺序）"""
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return Article.objects.filter(id__gt=self.id, status='p').order_by('id').first()
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@cache_decorator(expiration=60 * 100) # 缓存100分钟
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def prev_article(self):
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"""获取上一篇文章（按ID顺序）"""
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return Article.objects.filter(id__lt=self.id, status='p').first()
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def get_first_image_url(self):
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"""
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从文章内容中提取第一张图片的URL
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用于文章列表的缩略图显示
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"""
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# 使用正则表达式匹配Markdown图片语法
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match = re.search(r'!\[.*?\]\((.+?)\)', self.body)
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if match:
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return match.group(1)
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return ""
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class Category(BaseModel):
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"""
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文章分类模型
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用于组织和管理博客文章的类别，支持多级分类结构
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"""
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name = models.CharField(_('category name'), max_length=30, unique=True) # 分类名称，唯一
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parent_category = models.ForeignKey('self', verbose_name=_('parent category'),
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blank=True, null=True, on_delete=models.CASCADE) # 父级分类，支持层级结构
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slug = models.SlugField(default='no-slug', max_length=60, blank=True) # URL友好名称
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index = models.IntegerField(default=0, verbose_name=_('index')) # 分类排序索引
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class Meta:
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ordering = ['-index'] # 按索引降序排列
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verbose_name = _('category') # 单数显示名称
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verbose_name_plural = verbose_name # 复数显示名称
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def get_absolute_url(self):
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"""获取分类的绝对URL地址，使用slug作为URL参数"""
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return reverse('blog:category_detail', kwargs={'category_name': self.slug})
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def __str__(self):
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"""对象的字符串表示"""
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return self.name
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@cache_decorator(60 * 60 * 10) # 缓存10小时
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def get_category_tree(self):
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"""
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递归获得分类目录的父级
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返回从当前分类到根分类的路径，用于面包屑导航
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"""
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categorys = []
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def parse(category):
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categorys.append(category)
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if category.parent_category:
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parse(category.parent_category)
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parse(self)
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return categorys
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@cache_decorator(60 * 60 * 10) # 缓存10小时
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def get_sub_categorys(self):
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"""
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获得当前分类目录所有子集
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返回所有子分类的列表
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"""
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categorys = []
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all_categorys = Category.objects.all()
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def parse(category):
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if category not in categorys:
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categorys.append(category)
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childs = all_categorys.filter(parent_category=category)
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for child in childs:
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if category not in categorys:
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categorys.append(child)
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parse(child)
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parse(self)
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return categorys
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class Tag(BaseModel):
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"""文章标签模型"""
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name = models.CharField(_('tag name'), max_length=30, unique=True) # 标签名称，唯一
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slug = models.SlugField(default='no-slug', max_length=60, blank=True) # URL友好名称
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def __str__(self):
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return self.name
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def get_absolute_url(self):
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"""获取标签的绝对URL，使用slug作为URL参数"""
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return reverse('blog:tag_detail', kwargs={'tag_name': self.slug})
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@cache_decorator(60 * 60 * 10) # 缓存10小时
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def get_article_count(self):
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"""获取该标签下的文章数量，使用distinct去重"""
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return Article.objects.filter(tags__name=self.name).distinct().count()
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class Meta:
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ordering = ['name'] # 按名称升序排列
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verbose_name = _('tag') # 单数显示名称
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verbose_name_plural = verbose_name # 复数显示名称
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class Links(models.Model):
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"""友情链接模型"""
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name = models.CharField(_('link name'), max_length=30, unique=True) # 链接名称，唯一
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link = models.URLField(_('link')) # 链接地址
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sequence = models.IntegerField(_('order'), unique=True) # 显示顺序，唯一
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is_enable = models.BooleanField(_('is show'), default=True, blank=False, null=False) # 是否启用
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show_type = models.CharField(_('show type'), max_length=1, choices=LinkShowType.choices,
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default=LinkShowType.I) # 显示类型
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creation_time = models.DateTimeField(_('creation time'), default=now) # 创建时间
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last_mod_time = models.DateTimeField(_('modify time'), default=now) # 最后修改时间
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class Meta:
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ordering = ['sequence'] # 按顺序升序排列
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verbose_name = _('link') # 单数显示名称
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verbose_name_plural = verbose_name # 复数显示名称
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def __str__(self):
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return self.name
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class SideBar(models.Model):
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"""侧边栏模型，可以展示一些html内容"""
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name = models.CharField(_('title'), max_length=100) # 侧边栏标题
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content = models.TextField(_('content')) # 侧边栏内容（HTML）
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sequence = models.IntegerField(_('order'), unique=True) # 显示顺序，唯一
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is_enable = models.BooleanField(_('is enable'), default=True) # 是否启用
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creation_time = models.DateTimeField(_('creation time'), default=now) # 创建时间
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last_mod_time = models.DateTimeField(_('modify time'), default=now) # 最后修改时间
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class Meta:
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ordering = ['sequence'] # 按顺序升序排列
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verbose_name = _('sidebar') # 单数显示名称
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verbose_name_plural = verbose_name # 复数显示名称
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def __str__(self):
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return self.name
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class BlogSettings(models.Model):
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"""博客全局配置模型，使用单例模式确保只有一份配置"""
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# 网站基本信息
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site_name = models.CharField(_('site name'), max_length=200, null=False, blank=False, default='') # 网站名称
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site_description = models.TextField(_('site description'), max_length=1000, null=False, blank=False,
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default='') # 网站描述
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site_seo_description = models.TextField(_('site seo description'), max_length=1000, null=False, blank=False,
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default='') # SEO描述
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site_keywords = models.TextField(_('site keywords'), max_length=1000, null=False, blank=False, default='') # 网站关键词
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# 内容显示设置
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article_sub_length = models.IntegerField(_('article sub length'), default=300) # 文章摘要长度
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sidebar_article_count = models.IntegerField(_('sidebar article count'), default=10) # 侧边栏文章数量
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sidebar_comment_count = models.IntegerField(_('sidebar comment count'), default=5) # 侧边栏评论数量
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article_comment_count = models.IntegerField(_('article comment count'), default=5) # 文章页评论数量
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# 广告设置
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show_google_adsense = models.BooleanField(_('show adsense'), default=False) # 是否显示Google广告
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google_adsense_codes = models.TextField(_('adsense code'), max_length=2000, null=True, blank=True,
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default='') # 广告代码
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# 功能开关
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open_site_comment = models.BooleanField(_('open site comment'), default=True) # 是否开启全站评论
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comment_need_review = models.BooleanField('评论是否需要审核', default=False, null=False) # 评论是否需要审核
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# 页面布局
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global_header = models.TextField("公共头部", null=True, blank=True, default='') # 全局头部HTML
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global_footer = models.TextField("公共尾部", null=True, blank=True, default='') # 全局尾部HTML
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# 备案信息
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beian_code = models.CharField('备案号', max_length=2000, null=True, blank=True, default='') # ICP备案号
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show_gongan_code = models.BooleanField('是否显示公安备案号', default=False, null=False) # 是否显示公安备案
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gongan_beiancode = models.TextField('公安备案号', max_length=2000, null=True, blank=True, default='') # 公安备案号
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# 统计代码
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analytics_code = models.TextField("网站统计代码", max_length=1000, null=False, blank=False, default='') # 网站统计代码
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class Meta:
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verbose_name = _('Website configuration') # 单数显示名称
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verbose_name_plural = verbose_name # 复数显示名称
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def __str__(self):
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return self.site_name
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def clean(self):
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"""验证配置唯一性，确保只有一个配置实例（单例模式）"""
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if BlogSettings.objects.exclude(id=self.id).count():
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raise ValidationError(_('There can only be one configuration'))
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def save(self, *args, **kwargs):
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"""保存配置并清除缓存，确保配置变更立即生效"""
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super().save(*args, **kwargs)
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from djangoblog.utils import cache
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cache.clear() # 清除所有缓存
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>>>>>>> hyt_branch
|
