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@ -0,0 +1,553 @@
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#zf：导入日志模块，用于记录日志信息
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import logging
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#zf：导入正则表达式模块，用于匹配文章中的图片
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import re
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#zf：从abc模块导入abstractmethod装饰器
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from abc import abstractmethod
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#zf：导入Django配置模块
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from django.conf import settings
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#zf：导入Django验证错误异常
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from django.core.exceptions import ValidationError
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#zf：导入Django数据库模型模块
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from django.db import models
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#zf：导入Django URL反向解析函数
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from django.urls import reverse
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#zf：导入Django时区工具
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from django.utils.timezone import now
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#zf：导入Django国际化翻译函数
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from django.utils.translation import gettext_lazy as _
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#zf：导入Markdown编辑器字段
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from mdeditor.fields import MDTextField
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#zf：导入slugify函数，用于生成slug
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from uuslug import slugify
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#zf：从djangoblog.utils导入缓存装饰器和缓存工具
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from djangoblog.utils import cache_decorator, cache
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#zf：从djangoblog.utils导入获取当前站点的函数
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from djangoblog.utils import get_current_site
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#zf：创建日志记录器
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logger = logging.getLogger(__name__)
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#zf：定义链接显示类型枚举类，继承自TextChoices
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class LinkShowType(models.TextChoices):
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#zf：首页显示
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I = ('i', _('index'))
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#zf：列表页显示
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L = ('l', _('list'))
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#zf：文章页显示
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P = ('p', _('post'))
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#zf：全站显示
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A = ('a', _('all'))
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#zf：幻灯片显示
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S = ('s', _('slide'))
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#zf：定义基础模型类，继承自Django的Model类
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class BaseModel(models.Model):
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#zf：主键字段
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id = models.AutoField(primary_key=True)
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#zf：创建时间字段
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creation_time = models.DateTimeField(_('creation time'), default=now)
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#zf：最后修改时间字段
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last_modify_time = models.DateTimeField(_('modify time'), default=now)
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#zf：重写save方法
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def save(self, *args, **kwargs):
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#zf：检查是否是更新文章浏览量的特殊情况
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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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#zf：如果是更新浏览量，则直接更新数据库，避免触发其他逻辑
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Article.objects.filter(pk=self.pk).update(views=self.views)
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else:
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#zf：如果有slug字段，则生成slug
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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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#zf：调用父类的save方法
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super().save(*args, **kwargs)
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#zf：获取完整URL方法
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def get_full_url(self):
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#zf：获取当前站点域名
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site = get_current_site().domain
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#zf：拼接完整URL
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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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#zf：设置为抽象类
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class Meta:
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abstract = True
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#zf：定义抽象方法，子类必须实现
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@abstractmethod
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def get_absolute_url(self):
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pass
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#zf：定义文章模型类，继承自BaseModel
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class Article(BaseModel):
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"""文章"""
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#zf：文章状态选项
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STATUS_CHOICES = (
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#zf：草稿
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('d', _('Draft')),
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#zf：已发布
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('p', _('Published')),
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)
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#zf：评论状态选项
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COMMENT_STATUS = (
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#zf：开启评论
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('o', _('Open')),
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#zf：关闭评论
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('c', _('Close')),
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)
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#zf：文章类型选项
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TYPE = (
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#zf：文章
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('a', _('Article')),
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#zf：页面
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('p', _('Page')),
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)
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#zf：标题字段
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title = models.CharField(_('title'), max_length=200, unique=True)
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#zf：正文字段，使用Markdown编辑器
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body = MDTextField(_('body'))
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#zf：发布时间字段
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pub_time = models.DateTimeField(
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_('publish time'), blank=False, null=False, default=now)
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#zf：状态字段
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status = models.CharField(
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_('status'),
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max_length=1,
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choices=STATUS_CHOICES,
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default='p')
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#zf：评论状态字段
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comment_status = models.CharField(
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_('comment status'),
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max_length=1,
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choices=COMMENT_STATUS,
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default='o')
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#zf：类型字段
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type = models.CharField(_('type'), max_length=1, choices=TYPE, default='a')
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#zf：浏览量字段
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views = models.PositiveIntegerField(_('views'), default=0)
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#zf：作者字段，外键关联到用户模型
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author = models.ForeignKey(
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settings.AUTH_USER_MODEL,
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verbose_name=_('author'),
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blank=False,
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null=False,
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on_delete=models.CASCADE)
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#zf：文章排序字段
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article_order = models.IntegerField(
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_('order'), blank=False, null=False, default=0)
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#zf：是否显示目录字段
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show_toc = models.BooleanField(_('show toc'), blank=False, null=False, default=False)
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#zf：分类字段，外键关联到Category模型
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category = models.ForeignKey(
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'Category',
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verbose_name=_('category'),
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on_delete=models.CASCADE,
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blank=False,
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null=False)
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#zf：标签字段，多对多关联到Tag模型
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tags = models.ManyToManyField('Tag', verbose_name=_('tag'), blank=True)
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#zf：将文章正文转换为字符串
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def body_to_string(self):
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return self.body
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#zf：字符串表示方法
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def __str__(self):
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return self.title
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#zf：模型元数据
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class Meta:
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#zf：排序规则
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ordering = ['-article_order', '-pub_time']
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#zf：单数形式显示名称
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verbose_name = _('article')
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#zf：复数形式显示名称
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verbose_name_plural = verbose_name
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#zf：latest()方法使用的字段
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get_latest_by = 'id'
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#zf：获取绝对URL方法
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def get_absolute_url(self):
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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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#zf：获取分类树方法，使用缓存装饰器缓存10小时
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@cache_decorator(60 * 60 * 10)
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def get_category_tree(self):
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#zf：获取分类的分类树
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tree = self.category.get_category_tree()
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#zf：将分类名称和URL组成元组列表
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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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#zf：保存方法
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def save(self, *args, **kwargs):
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super().save(*args, **kwargs)
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#zf：增加浏览量方法
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def viewed(self):
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self.views += 1
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self.save(update_fields=['views'])
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#zf：获取评论列表方法
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def comment_list(self):
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#zf：构造缓存键名
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cache_key = 'article_comments_{id}'.format(id=self.id)
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#zf：从缓存中获取评论列表
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value = cache.get(cache_key)
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if value:
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#zf：如果缓存中有数据，记录日志并返回
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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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#zf：如果缓存中没有数据，从数据库查询并缓存
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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)
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logger.info('set article comments:{id}'.format(id=self.id))
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return comments
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#zf：获取管理后台URL方法
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def get_admin_url(self):
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#zf：获取模型的app_label和model_name
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info = (self._meta.app_label, self._meta.model_name)
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#zf：生成管理后台编辑页面的URL
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return reverse('admin:%s_%s_change' % info, args=(self.pk,))
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#zf：获取下一篇文章方法，使用缓存装饰器缓存100分钟
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@cache_decorator(expiration=60 * 100)
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def next_article(self):
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#zf：下一篇
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return Article.objects.filter(
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id__gt=self.id, status='p').order_by('id').first()
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#zf：获取上一篇文章方法，使用缓存装饰器缓存100分钟
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@cache_decorator(expiration=60 * 100)
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def prev_article(self):
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#zf：前一篇
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return Article.objects.filter(id__lt=self.id, status='p').first()
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#zf：获取文章中第一张图片的URL方法
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def get_first_image_url(self):
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"""
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Get the first image url from article.body.
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:return:
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"""
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#zf：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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#zf：如果匹配到图片，返回图片URL
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return match.group(1)
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#zf：如果没有匹配到图片，返回空字符串
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return ""
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#zf：定义分类模型类，继承自BaseModel
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class Category(BaseModel):
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"""文章分类"""
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#zf：分类名称字段
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name = models.CharField(_('category name'), max_length=30, unique=True)
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#zf：父级分类字段，外键关联到自身
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parent_category = models.ForeignKey(
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'self',
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verbose_name=_('parent category'),
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blank=True,
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null=True,
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on_delete=models.CASCADE)
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#zf：slug字段
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slug = models.SlugField(default='no-slug', max_length=60, blank=True)
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#zf：索引字段，用于排序
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index = models.IntegerField(default=0, verbose_name=_('index'))
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#zf：模型元数据
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class Meta:
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#zf：按索引降序排列
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ordering = ['-index']
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#zf：单数形式显示名称
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verbose_name = _('category')
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#zf：复数形式显示名称
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verbose_name_plural = verbose_name
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#zf：获取绝对URL方法
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def get_absolute_url(self):
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return reverse(
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'blog:category_detail', kwargs={
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'category_name': self.slug})
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#zf：字符串表示方法
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def __str__(self):
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return self.name
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#zf：获取分类树方法，使用缓存装饰器缓存10小时
|
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|
@cache_decorator(60 * 60 * 10)
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|
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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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:return:
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"""
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#zf：初始化分类列表
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categorys = []
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#zf：递归解析分类树的内部函数
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def parse(category):
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#zf：将当前分类添加到列表
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categorys.append(category)
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#zf：如果有父级分类，递归处理父级分类
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if category.parent_category:
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parse(category.parent_category)
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#zf：从当前分类开始解析
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parse(self)
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return categorys
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#zf：获取子分类方法，使用缓存装饰器缓存10小时
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|
@cache_decorator(60 * 60 * 10)
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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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:return:
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"""
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|
#zf：初始化分类列表
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categorys = []
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#zf：获取所有分类
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all_categorys = Category.objects.all()
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#zf：递归解析子分类的内部函数
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|
def parse(category):
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|
#zf：如果分类不在列表中，添加到列表
|
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|
|
if category not in categorys:
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categorys.append(category)
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|
|
#zf：获取当前分类的子分类
|
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|
childs = all_categorys.filter(parent_category=category)
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|
#zf：遍历子分类
|
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|
for child in childs:
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|
|
#zf：如果子分类不在列表中，添加到列表
|
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|
|
|
if category not in categorys:
|
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|
|
categorys.append(child)
|
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|
|
#zf：递归处理子分类
|
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|
|
parse(child)
|
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|
|
|
|
|
|
|
|
#zf：从当前分类开始解析
|
|
|
|
|
parse(self)
|
|
|
|
|
return categorys
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
#zf：定义标签模型类，继承自BaseModel
|
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|
|
class Tag(BaseModel):
|
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|
|
"""文章标签"""
|
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|
|
#zf：标签名称字段
|
|
|
|
|
name = models.CharField(_('tag name'), max_length=30, unique=True)
|
|
|
|
|
#zf：slug字段
|
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|
|
|
slug = models.SlugField(default='no-slug', max_length=60, blank=True)
|
|
|
|
|
|
|
|
|
|
#zf：字符串表示方法
|
|
|
|
|
def __str__(self):
|
|
|
|
|
return self.name
|
|
|
|
|
|
|
|
|
|
#zf：获取绝对URL方法
|
|
|
|
|
def get_absolute_url(self):
|
|
|
|
|
return reverse('blog:tag_detail', kwargs={'tag_name': self.slug})
|
|
|
|
|
|
|
|
|
|
#zf：获取文章数量方法，使用缓存装饰器缓存10小时
|
|
|
|
|
@cache_decorator(60 * 60 * 10)
|
|
|
|
|
def get_article_count(self):
|
|
|
|
|
#zf：统计包含该标签的文章数量
|
|
|
|
|
return Article.objects.filter(tags__name=self.name).distinct().count()
|
|
|
|
|
|
|
|
|
|
#zf：模型元数据
|
|
|
|
|
class Meta:
|
|
|
|
|
#zf：按名称升序排列
|
|
|
|
|
ordering = ['name']
|
|
|
|
|
#zf：单数形式显示名称
|
|
|
|
|
verbose_name = _('tag')
|
|
|
|
|
#zf：复数形式显示名称
|
|
|
|
|
verbose_name_plural = verbose_name
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
#zf：定义友情链接模型类
|
|
|
|
|
class Links(models.Model):
|
|
|
|
|
"""友情链接"""
|
|
|
|
|
|
|
|
|
|
#zf：链接名称字段
|
|
|
|
|
name = models.CharField(_('link name'), max_length=30, unique=True)
|
|
|
|
|
#zf：链接地址字段
|
|
|
|
|
link = models.URLField(_('link'))
|
|
|
|
|
#zf：排序字段
|
|
|
|
|
sequence = models.IntegerField(_('order'), unique=True)
|
|
|
|
|
#zf：是否显示字段
|
|
|
|
|
is_enable = models.BooleanField(
|
|
|
|
|
_('is show'), default=True, blank=False, null=False)
|
|
|
|
|
#zf：显示类型字段
|
|
|
|
|
show_type = models.CharField(
|
|
|
|
|
_('show type'),
|
|
|
|
|
max_length=1,
|
|
|
|
|
choices=LinkShowType.choices,
|
|
|
|
|
default=LinkShowType.I)
|
|
|
|
|
#zf：创建时间字段
|
|
|
|
|
creation_time = models.DateTimeField(_('creation time'), default=now)
|
|
|
|
|
#zf：最后修改时间字段
|
|
|
|
|
last_mod_time = models.DateTimeField(_('modify time'), default=now)
|
|
|
|
|
|
|
|
|
|
#zf：模型元数据
|
|
|
|
|
class Meta:
|
|
|
|
|
#zf：按排序字段升序排列
|
|
|
|
|
ordering = ['sequence']
|
|
|
|
|
#zf：单数形式显示名称
|
|
|
|
|
verbose_name = _('link')
|
|
|
|
|
#zf：复数形式显示名称
|
|
|
|
|
verbose_name_plural = verbose_name
|
|
|
|
|
|
|
|
|
|
#zf：字符串表示方法
|
|
|
|
|
def __str__(self):
|
|
|
|
|
return self.name
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
#zf：定义侧边栏模型类
|
|
|
|
|
class SideBar(models.Model):
|
|
|
|
|
"""侧边栏,可以展示一些html内容"""
|
|
|
|
|
#zf：标题字段
|
|
|
|
|
name = models.CharField(_('title'), max_length=100)
|
|
|
|
|
#zf：内容字段
|
|
|
|
|
content = models.TextField(_('content'))
|
|
|
|
|
#zf：排序字段
|
|
|
|
|
sequence = models.IntegerField(_('order'), unique=True)
|
|
|
|
|
#zf：是否启用字段
|
|
|
|
|
is_enable = models.BooleanField(_('is enable'), default=True)
|
|
|
|
|
#zf：创建时间字段
|
|
|
|
|
creation_time = models.DateTimeField(_('creation time'), default=now)
|
|
|
|
|
#zf：最后修改时间字段
|
|
|
|
|
last_mod_time = models.DateTimeField(_('modify time'), default=now)
|
|
|
|
|
|
|
|
|
|
#zf：模型元数据
|
|
|
|
|
class Meta:
|
|
|
|
|
#zf：按排序字段升序排列
|
|
|
|
|
ordering = ['sequence']
|
|
|
|
|
#zf：单数形式显示名称
|
|
|
|
|
verbose_name = _('sidebar')
|
|
|
|
|
#zf：复数形式显示名称
|
|
|
|
|
verbose_name_plural = verbose_name
|
|
|
|
|
|
|
|
|
|
#zf：字符串表示方法
|
|
|
|
|
def __str__(self):
|
|
|
|
|
return self.name
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
#zf：定义博客设置模型类
|
|
|
|
|
class BlogSettings(models.Model):
|
|
|
|
|
"""blog的配置"""
|
|
|
|
|
#zf：网站名称字段
|
|
|
|
|
site_name = models.CharField(
|
|
|
|
|
_('site name'),
|
|
|
|
|
max_length=200,
|
|
|
|
|
null=False,
|
|
|
|
|
blank=False,
|
|
|
|
|
default='')
|
|
|
|
|
#zf：网站描述字段
|
|
|
|
|
site_description = models.TextField(
|
|
|
|
|
_('site description'),
|
|
|
|
|
max_length=1000,
|
|
|
|
|
null=False,
|
|
|
|
|
blank=False,
|
|
|
|
|
default='')
|
|
|
|
|
#zf：网站SEO描述字段
|
|
|
|
|
site_seo_description = models.TextField(
|
|
|
|
|
_('site seo description'), max_length=1000, null=False, blank=False, default='')
|
|
|
|
|
#zf：网站关键词字段
|
|
|
|
|
site_keywords = models.TextField(
|
|
|
|
|
_('site keywords'),
|
|
|
|
|
max_length=1000,
|
|
|
|
|
null=False,
|
|
|
|
|
blank=False,
|
|
|
|
|
default='')
|
|
|
|
|
#zf：文章摘要长度字段
|
|
|
|
|
article_sub_length = models.IntegerField(_('article sub length'), default=300)
|
|
|
|
|
#zf：侧边栏文章数量字段
|
|
|
|
|
sidebar_article_count = models.IntegerField(_('sidebar article count'), default=10)
|
|
|
|
|
#zf：侧边栏评论数量字段
|
|
|
|
|
sidebar_comment_count = models.IntegerField(_('sidebar comment count'), default=5)
|
|
|
|
|
#zf：文章页面默认显示评论数量字段
|
|
|
|
|
article_comment_count = models.IntegerField(_('article comment count'), default=5)
|
|
|
|
|
#zf：是否显示谷歌广告字段
|
|
|
|
|
show_google_adsense = models.BooleanField(_('show adsense'), default=False)
|
|
|
|
|
#zf：谷歌广告代码字段
|
|
|
|
|
google_adsense_codes = models.TextField(
|
|
|
|
|
_('adsense code'), max_length=2000, null=True, blank=True, default='')
|
|
|
|
|
#zf：是否开启网站评论功能字段
|
|
|
|
|
open_site_comment = models.BooleanField(_('open site comment'), default=True)
|
|
|
|
|
#zf：全局头部内容字段
|
|
|
|
|
global_header = models.TextField("公共头部", null=True, blank=True, default='')
|
|
|
|
|
#zf：全局尾部内容字段
|
|
|
|
|
global_footer = models.TextField("公共尾部", null=True, blank=True, default='')
|
|
|
|
|
#zf：备案号字段
|
|
|
|
|
beian_code = models.CharField(
|
|
|
|
|
'备案号',
|
|
|
|
|
max_length=2000,
|
|
|
|
|
null=True,
|
|
|
|
|
blank=True,
|
|
|
|
|
default='')
|
|
|
|
|
#zf：网站统计代码字段
|
|
|
|
|
analytics_code = models.TextField(
|
|
|
|
|
"网站统计代码",
|
|
|
|
|
max_length=1000,
|
|
|
|
|
null=False,
|
|
|
|
|
blank=False,
|
|
|
|
|
default='')
|
|
|
|
|
#zf：是否显示公安备案号字段
|
|
|
|
|
show_gongan_code = models.BooleanField(
|
|
|
|
|
'是否显示公安备案号', default=False, null=False)
|
|
|
|
|
#zf：公安备案号字段
|
|
|
|
|
gongan_beiancode = models.TextField(
|
|
|
|
|
'公安备案号',
|
|
|
|
|
max_length=2000,
|
|
|
|
|
null=True,
|
|
|
|
|
blank=True,
|
|
|
|
|
default='')
|
|
|
|
|
#zf：评论是否需要审核字段
|
|
|
|
|
comment_need_review = models.BooleanField(
|
|
|
|
|
'评论是否需要审核', default=False, null=False)
|
|
|
|
|
|
|
|
|
|
#zf：模型元数据
|
|
|
|
|
class Meta:
|
|
|
|
|
#zf：单数形式显示名称
|
|
|
|
|
verbose_name = _('Website configuration')
|
|
|
|
|
#zf：复数形式显示名称
|
|
|
|
|
verbose_name_plural = verbose_name
|
|
|
|
|
|
|
|
|
|
#zf：字符串表示方法
|
|
|
|
|
def __str__(self):
|
|
|
|
|
return self.site_name
|
|
|
|
|
|
|
|
|
|
#zf：数据验证方法
|
|
|
|
|
def clean(self):
|
|
|
|
|
#zf：检查是否已存在其他配置记录
|
|
|
|
|
if BlogSettings.objects.exclude(id=self.id).count():
|
|
|
|
|
#zf：如果已存在其他配置记录，抛出验证错误
|
|
|
|
|
raise ValidationError(_('There can only be one configuration'))
|
|
|
|
|
|
|
|
|
|
#zf：保存方法
|
|
|
|
|
def save(self, *args, **kwargs):
|
|
|
|
|
#zf：调用父类的保存方法
|
|
|
|
|
super().save(*args, **kwargs)
|
|
|
|
|
#zf：导入缓存工具
|
|
|
|
|
from djangoblog.utils import cache
|
|
|
|
|
#zf：清除所有缓存
|
|
|
|
|
cache.clear()
|
