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@ -18,6 +18,7 @@ logger = logging.getLogger(__name__)
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class LinkShowType(models.TextChoices):
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# 定义友情链接显示类型的枚举类,分别对应首页、列表页、文章页、所有页面、轮播
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I = ('i', _('index'))
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L = ('l', _('list'))
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P = ('p', _('post'))
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@ -26,98 +27,118 @@ class LinkShowType(models.TextChoices):
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class BaseModel(models.Model):
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id = models.AutoField(primary_key=True)
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creation_time = models.DateTimeField(_('creation time'), default=now)
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last_modify_time = models.DateTimeField(_('modify time'), default=now)
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"""
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基础模型类,为其他模型提供通用的字段和方法
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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save方法,处理slug字段(如果模型有slug和title/name字段),并调用父类save方法
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同时处理仅更新views字段的特殊情况
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"""
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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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Article.objects.filter(pk=self.pk).update(views=self.views)
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else:
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# 如果模型有slug字段,生成slug(基于title或name字段)
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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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slug_source = getattr(self, 'title') if 'title' in self.__dict__ else getattr(self, 'name')
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setattr(self, 'slug', slugify(slug_source))
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super().save(*args, **kwargs)
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def get_full_url(self):
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"""
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获取模型对象的完整URL(包含域名)
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"""
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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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abstract = True
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abstract = True # 抽象模型,不生成数据库表
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@abstractmethod
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def get_absolute_url(self):
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"""
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抽象方法,子类必须实现,用于获取模型对象的绝对URL
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"""
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pass
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class Article(BaseModel):
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"""文章"""
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"""
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文章模型类,存储文章的相关信息
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"""
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# 文章状态:草稿、已发布
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STATUS_CHOICES = (
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('d', _('Draft')),
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('p', _('Published')),
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)
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# 评论状态:开启、关闭
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COMMENT_STATUS = (
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('o', _('Open')),
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('c', _('Close')),
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)
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# 文章类型:文章、页面
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TYPE = (
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('a', _('Article')),
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('p', _('Page')),
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)
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title = models.CharField(_('title'), max_length=200, unique=True)
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body = MDTextField(_('body'))
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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MDTextField支持markdown
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pub_time = models.DateTimeField(
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_('publish time'), blank=False, null=False, default=now)
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_('publish time'), blank=False, null=False, default=now) # 发布时间
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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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default='p') # 文章状态
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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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type = models.CharField(_('type'), max_length=1, choices=TYPE, default='a')
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views = models.PositiveIntegerField(_('views'), default=0)
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default='o') # 评论状态
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type = models.CharField(_('type'), max_length=1, choices=TYPE, default='a') # 文章类型
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views = models.PositiveIntegerField(_('views'), default=0) # 文章浏览量
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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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on_delete=models.CASCADE) # 文章作者,外键关联用户模型
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article_order = models.IntegerField(
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_('order'), blank=False, null=False, default=0)
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show_toc = models.BooleanField(_('show toc'), blank=False, null=False, default=False)
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_('order'), blank=False, null=False, default=0) # 文章排序序号
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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(
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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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tags = models.ManyToManyField('Tag', verbose_name=_('tag'), blank=True)
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null=False) # 文章分类,外键关联Category模型
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tags = models.ManyToManyField('Tag', verbose_name=_('tag'), blank=True) # 文章标签,多对多关联Tag模型
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def body_to_string(self):
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"""将文章内容转换为字符串返回"""
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return self.body
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def __str__(self):
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"""自定义字符串表示,返回文章标题"""
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return self.title
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class Meta:
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ordering = ['-article_order', '-pub_time']
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ordering = ['-article_order', '-pub_time'] # 排序规则:先按article_order降序,再按pub_time降序
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verbose_name = _('article')
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verbose_name_plural = verbose_name
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get_latest_by = 'id'
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def get_absolute_url(self):
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"""获取文章的绝对URL,用于生成文章详情页链接"""
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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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@ -127,19 +148,26 @@ class Article(BaseModel):
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@cache_decorator(60 * 60 * 10)
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def get_category_tree(self):
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"""
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获取文章分类的树形结构(包含当前分类及其所有父级分类),并缓存
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"""
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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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"""重写save方法,调用父类save方法"""
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super().save(*args, **kwargs)
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def viewed(self):
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"""文章被浏览时,浏览量加1并保存"""
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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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"""
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获取文章的评论列表,优先从缓存获取,缓存不存在则查询数据库并缓存
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"""
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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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@ -152,24 +180,25 @@ class Article(BaseModel):
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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后台的编辑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)
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def next_article(self):
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# 下一篇
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"""获取下一篇文章(id大于当前文章且已发布的第一篇),并缓存"""
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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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@cache_decorator(expiration=60 * 100)
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def prev_article(self):
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# 前一篇
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"""获取前一篇文章(id小于当前文章且已发布的第一篇),并缓存"""
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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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Get the first image url from article.body.
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:return:
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从文章内容中提取第一张图片的URL
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通过正则表达式匹配markdown图片语法中的图片链接
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"""
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match = re.search(r'!\[.*?\]\((.+?)\)', self.body)
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if match:
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@ -178,35 +207,38 @@ class Article(BaseModel):
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class Category(BaseModel):
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"""文章分类"""
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name = models.CharField(_('category name'), max_length=30, unique=True)
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"""
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文章分类模型类
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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(
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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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slug = models.SlugField(default='no-slug', max_length=60, blank=True)
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index = models.IntegerField(default=0, verbose_name=_('index'))
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on_delete=models.CASCADE) # 父分类,自关联
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slug = models.SlugField(default='no-slug', max_length=60, blank=True) # 分类的slug,用于URL
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index = models.IntegerField(default=0, verbose_name=_('index')) # 分类排序序号
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class Meta:
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ordering = ['-index']
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ordering = ['-index'] # 按index降序排序
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verbose_name = _('category')
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verbose_name_plural = verbose_name
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def get_absolute_url(self):
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"""获取分类的绝对URL,用于生成分类页链接"""
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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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def __str__(self):
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"""自定义字符串表示,返回分类名称"""
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return self.name
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@cache_decorator(60 * 60 * 10)
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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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递归获取分类的树形结构(当前分类及其所有父级分类),并缓存
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"""
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categorys = []
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@ -221,8 +253,7 @@ class Category(BaseModel):
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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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递归获取当前分类的所有子分类,包括子分类的子分类等,并缓存
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"""
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categorys = []
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all_categorys = Category.objects.all()
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@ -241,136 +272,156 @@ class Category(BaseModel):
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class Tag(BaseModel):
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"""文章标签"""
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name = models.CharField(_('tag name'), max_length=30, unique=True)
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slug = models.SlugField(default='no-slug', max_length=60, blank=True)
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"""
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文章标签模型类
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"""
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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) # 标签的slug,用于URL
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def __str__(self):
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"""自定义字符串表示,返回标签名称"""
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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,用于生成标签页链接"""
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return reverse('blog:tag_detail', kwargs={'tag_name': self.slug})
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@cache_decorator(60 * 60 * 10)
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def get_article_count(self):
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"""获取该标签下的文章数量,并缓存"""
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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']
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ordering = ['name'] # 按名称排序
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verbose_name = _('tag')
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verbose_name_plural = verbose_name
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class Links(models.Model):
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"""友情链接"""
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name = models.CharField(_('link name'), max_length=30, unique=True)
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link = models.URLField(_('link'))
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sequence = models.IntegerField(_('order'), unique=True)
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"""
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友情链接模型类
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"""
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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URL
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sequence = models.IntegerField(_('order'), unique=True) # 排序序号,唯一
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is_enable = models.BooleanField(
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_('is show'), default=True, blank=False, null=False)
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_('is show'), default=True, blank=False, null=False) # 是否显示
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show_type = models.CharField(
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_('show type'),
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max_length=1,
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choices=LinkShowType.choices,
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default=LinkShowType.I)
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creation_time = models.DateTimeField(_('creation time'), default=now)
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last_mod_time = models.DateTimeField(_('modify time'), default=now)
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default=LinkShowType.I) # 显示类型,关联LinkShowType枚举
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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']
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ordering = ['sequence'] # 按sequence排序
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verbose_name = _('link')
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verbose_name_plural = verbose_name
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def __str__(self):
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"""自定义字符串表示,返回链接名称"""
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return self.name
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class SideBar(models.Model):
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"""侧边栏,可以展示一些html内容"""
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name = models.CharField(_('title'), max_length=100)
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content = models.TextField(_('content'))
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sequence = models.IntegerField(_('order'), unique=True)
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is_enable = models.BooleanField(_('is enable'), default=True)
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creation_time = models.DateTimeField(_('creation time'), default=now)
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last_mod_time = models.DateTimeField(_('modify time'), default=now)
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"""
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侧边栏模型类,用于展示自定义HTML内容
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"""
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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) # 排序序号,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']
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ordering = ['sequence'] # 按sequence排序
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verbose_name = _('sidebar')
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verbose_name_plural = verbose_name
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def __str__(self):
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"""自定义字符串表示,返回侧边栏标题"""
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return self.name
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class BlogSettings(models.Model):
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"""blog的配置"""
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"""
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博客配置模型类,存储网站的各种配置信息
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"""
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site_name = models.CharField(
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_('site name'),
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max_length=200,
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null=False,
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blank=False,
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default='')
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default='') # 网站名称
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site_description = models.TextField(
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_('site description'),
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max_length=1000,
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null=False,
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blank=False,
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default='')
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default='') # 网站描述
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site_seo_description = models.TextField(
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_('site seo description'), max_length=1000, null=False, blank=False, default='')
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_('site seo description'), max_length=1000, null=False, blank=False, default='') # 网站SEO描述
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site_keywords = models.TextField(
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_('site keywords'),
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max_length=1000,
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null=False,
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blank=False,
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default='')
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article_sub_length = models.IntegerField(_('article sub length'), default=300)
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sidebar_article_count = models.IntegerField(_('sidebar article count'), default=10)
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sidebar_comment_count = models.IntegerField(_('sidebar comment count'), default=5)
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article_comment_count = models.IntegerField(_('article comment count'), default=5)
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show_google_adsense = models.BooleanField(_('show adsense'), default=False)
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default='') # 网站关键词
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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) # 文章评论数量
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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(
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_('adsense code'), max_length=2000, null=True, blank=True, default='')
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open_site_comment = models.BooleanField(_('open site comment'), default=True)
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global_header = models.TextField("公共头部", null=True, blank=True, default='')
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global_footer = models.TextField("公共尾部", null=True, blank=True, default='')
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_('adsense code'), max_length=2000, null=True, blank=True, default='') # Google广告代码
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open_site_comment = models.BooleanField(_('open site comment'), default=True) # 是否开启网站评论
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global_header = models.TextField("公共头部", null=True, blank=True, default='') # 公共头部HTML
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global_footer = models.TextField("公共尾部", null=True, blank=True, default='') # 公共尾部HTML
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|
beian_code = models.CharField(
|
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|
|
'备案号',
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|
|
max_length=2000,
|
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|
|
null=True,
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|
|
blank=True,
|
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|
|
default='')
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|
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default='') # 网站备案号
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|
|
analytics_code = models.TextField(
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|
|
"网站统计代码",
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|
|
max_length=1000,
|
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|
|
null=False,
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|
|
blank=False,
|
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|
|
default='')
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default='') # 网站统计代码
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show_gongan_code = models.BooleanField(
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|
|
'是否显示公安备案号', default=False, null=False)
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|
|
'是否显示公安备案号', default=False, null=False) # 是否显示公安备案号
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|
gongan_beiancode = models.TextField(
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'公安备案号',
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|
max_length=2000,
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|
|
null=True,
|
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|
blank=True,
|
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default='')
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|
default='') # 公安备案号
|
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|
|
comment_need_review = models.BooleanField(
|
|
|
|
|
'评论是否需要审核', default=False, null=False)
|
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|
|
'评论是否需要审核', default=False, null=False) # 评论是否需要审核
|
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|
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|
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|
|
class Meta:
|
|
|
|
|
verbose_name = _('Website configuration')
|
|
|
|
|
verbose_name_plural = verbose_name
|
|
|
|
|
|
|
|
|
|
def __str__(self):
|
|
|
|
|
"""自定义字符串表示,返回网站名称"""
|
|
|
|
|
return self.site_name
|
|
|
|
|
|
|
|
|
|
def clean(self):
|
|
|
|
|
"""
|
|
|
|
|
模型验证方法,确保只能有一个配置实例
|
|
|
|
|
如果存在其他配置实例(排除当前实例),则抛出验证错误
|
|
|
|
|
"""
|
|
|
|
|
if BlogSettings.objects.exclude(id=self.id).count():
|
|
|
|
|
raise ValidationError(_('There can only be one configuration'))
|
|
|
|
|
|
|
|
|
|
def save(self, *args, **kwargs):
|
|
|
|
|
"""
|
|
|
|
|
重写save方法,保存后清除缓存(使配置变更立即生效)
|
|
|
|
|
"""
|
|
|
|
|
super().save(*args, **kwargs)
|
|
|
|
|
from djangoblog.utils import cache
|
|
|
|
|
cache.clear()
|
|
|
|
|
cache.clear()
|