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@ -2,122 +2,105 @@ 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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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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from mdeditor.fields import MDTextField
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from uuslug import slugify
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from django.conf import settings # Django项目设置
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from django.core.exceptions import ValidationError # 表单验证异常
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from django.db import models # Django ORM模型基类
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from django.urls import reverse # 用于生成URL
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from django.utils.timezone import now # 当前时间
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from django.utils.translation import gettext_lazy as _ # 国际化翻译
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from mdeditor.fields import MDTextField # Markdown文本编辑字段
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from uuslug import slugify # URL友好的字符串转换工具
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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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from djangoblog.utils import cache_decorator, cache # 自定义缓存装饰器与缓存工具
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from djangoblog.utils import get_current_site # 获取当前站点信息
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logger = logging.getLogger(__name__)
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logger = logging.getLogger(__name__) # 日志记录器
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# 枚举：链接显示位置类型
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class LinkShowType(models.TextChoices):
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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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A = ('a', _('all'))
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S = ('s', _('slide'))
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I = ('i', _('首页')) # 首页显示
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L = ('l', _('列表页')) # 列表页显示
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P = ('p', _('文章页')) # 文章页显示
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A = ('a', _('全部')) # 全部页面显示
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S = ('s', _('幻灯片')) # 幻灯片显示
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# 抽象基类：所有模型的基础，包含创建和修改时间，以及自动设置slug
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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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id = models.AutoField(primary_key=True) # 主键ID
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creation_time = models.DateTimeField(_('创建时间'), default=now) # 创建时间
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last_modify_time = models.DateTimeField(_('修改时间'), default=now) # 修改时间
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def save(self, *args, **kwargs):
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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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# 如果是更新文章浏览量，则直接更新而不走常规保存逻辑
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is_update_views = isinstance(self, 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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# 如果有slug字段但未设置，则根据title或name生成
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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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super().save(*args, **kwargs)
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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)) # 自动生成slug
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super().save(*args, **kwargs) # 调用父类保存方法
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def get_full_url(self):
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# 获取当前站点域名并拼接完整URL
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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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url = "https://{site}{path}".format(site=site, 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 # 抽象类，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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# 子类必须实现：获取当前对象的详情页URL
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pass
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# 文章模型
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class Article(BaseModel):
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"""文章"""
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STATUS_CHOICES = (
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('d', _('Draft')),
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('p', _('Published')),
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('d', _('草稿')),
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('p', _('发布')),
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)
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COMMENT_STATUS = (
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('o', _('Open')),
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('c', _('Close')),
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('o', _('开放评论')),
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('c', _('关闭评论')),
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)
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TYPE = (
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('a', _('Article')),
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('p', _('Page')),
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('a', _('文章')),
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('p', _('页面')),
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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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pub_time = models.DateTimeField(
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_('publish time'), blank=False, null=False, default=now)
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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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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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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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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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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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title = models.CharField(_('标题'), max_length=200, unique=True) # 文章标题，唯一
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body = MDTextField(_('内容')) # 文章正文，使用Markdown编辑器
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pub_time = models.DateTimeField(_('发布时间'), blank=False, null=False, default=now) # 发布时间
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status = models.CharField(_('状态'), max_length=1, choices=STATUS_CHOICES, default='p') # 状态，默认发布
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comment_status = models.CharField(_('评论状态'), max_length=1, choices=COMMENT_STATUS, default='o') # 评论状态
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type = models.CharField(_('类型'), max_length=1, choices=TYPE, default='a') # 类型，默认文章
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views = models.PositiveIntegerField(_('浏览量'), default=0) # 浏览次数
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author = models.ForeignKey(settings.AUTH_USER_MODEL, verbose_name=_('作者'), on_delete=models.CASCADE) # 作者外键
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article_order = models.IntegerField(_('排序'), default=0) # 排序权重
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show_toc = models.BooleanField(_('显示目录'), default=False) # 是否显示文章目录
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category = models.ForeignKey('Category', verbose_name=_('分类'), on_delete=models.CASCADE) # 分类外键
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tags = models.ManyToManyField('Tag', verbose_name=_('标签'), blank=True) # 标签多对多
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def body_to_string(self):
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return self.body
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return self.body # 返回文章内容字符串
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def __str__(self):
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return self.title
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return self.title # 对象字符串表示为标题
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class Meta:
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ordering = ['-article_order', '-pub_time']
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verbose_name = _('article')
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ordering = ['-article_order', '-pub_time'] # 排序：先按排序权重，再按发布时间倒序
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verbose_name = _('文章')
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verbose_name_plural = verbose_name
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get_latest_by = 'id'
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get_latest_by = 'id' # 最新对象依据ID
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def get_absolute_url(self):
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# 生成文章详情页URL，包含年、月、日和文章ID
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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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@ -125,21 +108,23 @@ class Article(BaseModel):
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'day': self.creation_time.day
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})
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@cache_decorator(60 * 60 * 10)
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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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# 获取分类及其所有祖先分类的树状结构
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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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super().save(*args, **kwargs)
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super().save(*args, **kwargs) # 调用父类保存
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def viewed(self):
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# 增加文章浏览量并保存
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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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# 获取该文章的所有启用状态的评论，并缓存10分钟
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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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@ -152,62 +137,50 @@ class Article(BaseModel):
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return comments
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def get_admin_url(self):
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# 获取该文章在后台管理中的编辑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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@cache_decorator(expiration=60 * 100) # 缓存100秒
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def next_article(self):
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# 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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# 获取当前文章的下一篇文章（按ID排序，状态为发布）
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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)
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def prev_article(self):
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# 前一篇
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# 获取当前文章的上一篇文章
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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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"""
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# 从文章正文中提取第一张图片的URL
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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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# 分类模型
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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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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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name = models.CharField(_('分类名称'), max_length=30, unique=True) # 分类名称，唯一
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parent_category = models.ForeignKey('self', verbose_name=_('父级分类'), blank=True, null=True, on_delete=models.CASCADE) # 父分类
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slug = models.SlugField(default='no-slug', max_length=60, blank=True) # Slug字段
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index = models.IntegerField(default=0, verbose_name=_('排序')) # 排序索引
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class Meta:
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ordering = ['-index']
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verbose_name = _('category')
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ordering = ['-index'] # 按排序索引倒序
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verbose_name = _('分类')
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verbose_name_plural = verbose_name
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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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# 获取分类详情页URL
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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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return self.name
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return self.name # 对象字符串表示为分类名称
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@cache_decorator(60 * 60 * 10)
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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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:return:
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"""
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# 递归获取当前分类及其所有祖先分类
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categorys = []
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def parse(category):
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@ -220,10 +193,7 @@ 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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"""
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# 获取当前分类的所有子分类
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categorys = []
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all_categorys = Category.objects.all()
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@ -232,7 +202,7 @@ class Category(BaseModel):
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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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if child not in categorys:
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categorys.append(child)
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parse(child)
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@ -240,137 +210,100 @@ class Category(BaseModel):
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return categorys
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# 标签模型
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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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name = models.CharField(_('标签名称'), 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) # Slug字段
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def __str__(self):
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return self.name
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return self.name # 对象字符串表示为标签名称
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def get_absolute_url(self):
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# 获取标签详情页URL
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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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@cache_decorator(60 * 60 * 10) # 缓存10小时
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def get_article_count(self):
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# 获取关联该标签的文章数量
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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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verbose_name = _('tag')
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ordering = ['name'] # 按名称排序
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verbose_name = _('标签')
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verbose_name_plural = verbose_name
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# 友情链接模型
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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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|
|
is_enable = models.BooleanField(
|
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|
|
_('is show'), default=True, blank=False, null=False)
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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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|
name = models.CharField(_('链接名称'), max_length=30, unique=True) # 链接名称，唯一
|
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|
link = models.URLField(_('链接地址')) # 链接URL
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|
|
sequence = models.IntegerField(_('排序'), unique=True) # 排序，唯一
|
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|
|
is_enable = models.BooleanField(_('是否显示'), default=True) # 是否启用
|
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|
|
show_type = models.CharField(_('显示位置'), max_length=1, choices=LinkShowType.choices, default=LinkShowType.I) # 显示位置类型
|
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|
creation_time = models.DateTimeField(_('创建时间'), default=now) # 创建时间
|
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|
|
last_mod_time = models.DateTimeField(_('修改时间'), default=now) # 修改时间
|
|
|
|
|
|
|
|
|
|
class Meta:
|
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|
|
|
ordering = ['sequence']
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|
|
verbose_name = _('link')
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|
|
ordering = ['sequence'] # 按排序排序
|
|
|
|
|
verbose_name = _('友情链接')
|
|
|
|
|
verbose_name_plural = verbose_name
|
|
|
|
|
|
|
|
|
|
def __str__(self):
|
|
|
|
|
return self.name
|
|
|
|
|
return self.name # 对象字符串表示为链接名称
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
# 侧边栏模型
|
|
|
|
|
class SideBar(models.Model):
|
|
|
|
|
"""侧边栏,可以展示一些html内容"""
|
|
|
|
|
name = models.CharField(_('title'), max_length=100)
|
|
|
|
|
content = models.TextField(_('content'))
|
|
|
|
|
sequence = models.IntegerField(_('order'), unique=True)
|
|
|
|
|
is_enable = models.BooleanField(_('is enable'), default=True)
|
|
|
|
|
creation_time = models.DateTimeField(_('creation time'), default=now)
|
|
|
|
|
last_mod_time = models.DateTimeField(_('modify time'), default=now)
|
|
|
|
|
name = models.CharField(_('标题'), max_length=100) # 侧边栏标题
|
|
|
|
|
content = models.TextField(_('内容')) # 侧边栏内容，可以是HTML
|
|
|
|
|
sequence = models.IntegerField(_('排序'), unique=True) # 排序，唯一
|
|
|
|
|
is_enable = models.BooleanField(_('是否启用'), default=True) # 是否启用
|
|
|
|
|
creation_time = models.DateTimeField(_('创建时间'), default=now) # 创建时间
|
|
|
|
|
last_mod_time = models.DateTimeField(_('修改时间'), default=now) # 修改时间
|
|
|
|
|
|
|
|
|
|
class Meta:
|
|
|
|
|
ordering = ['sequence']
|
|
|
|
|
verbose_name = _('sidebar')
|
|
|
|
|
ordering = ['sequence'] # 按排序排序
|
|
|
|
|
verbose_name = _('侧边栏')
|
|
|
|
|
verbose_name_plural = verbose_name
|
|
|
|
|
|
|
|
|
|
def __str__(self):
|
|
|
|
|
return self.name
|
|
|
|
|
return self.name # 对象字符串表示为侧边栏标题
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
# 博客设置模型（单例）
|
|
|
|
|
class BlogSettings(models.Model):
|
|
|
|
|
"""blog的配置"""
|
|
|
|
|
site_name = models.CharField(
|
|
|
|
|
_('site name'),
|
|
|
|
|
max_length=200,
|
|
|
|
|
null=False,
|
|
|
|
|
blank=False,
|
|
|
|
|
default='')
|
|
|
|
|
site_description = models.TextField(
|
|
|
|
|
_('site description'),
|
|
|
|
|
max_length=1000,
|
|
|
|
|
null=False,
|
|
|
|
|
blank=False,
|
|
|
|
|
default='')
|
|
|
|
|
site_seo_description = models.TextField(
|
|
|
|
|
_('site seo description'), max_length=1000, null=False, blank=False, default='')
|
|
|
|
|
site_keywords = models.TextField(
|
|
|
|
|
_('site keywords'),
|
|
|
|
|
max_length=1000,
|
|
|
|
|
null=False,
|
|
|
|
|
blank=False,
|
|
|
|
|
default='')
|
|
|
|
|
article_sub_length = models.IntegerField(_('article sub length'), default=300)
|
|
|
|
|
sidebar_article_count = models.IntegerField(_('sidebar article count'), default=10)
|
|
|
|
|
sidebar_comment_count = models.IntegerField(_('sidebar comment count'), default=5)
|
|
|
|
|
article_comment_count = models.IntegerField(_('article comment count'), default=5)
|
|
|
|
|
show_google_adsense = models.BooleanField(_('show adsense'), default=False)
|
|
|
|
|
google_adsense_codes = models.TextField(
|
|
|
|
|
_('adsense code'), max_length=2000, null=True, blank=True, default='')
|
|
|
|
|
open_site_comment = models.BooleanField(_('open site comment'), default=True)
|
|
|
|
|
global_header = models.TextField("公共头部", null=True, blank=True, default='')
|
|
|
|
|
global_footer = models.TextField("公共尾部", null=True, blank=True, default='')
|
|
|
|
|
beian_code = models.CharField(
|
|
|
|
|
'备案号',
|
|
|
|
|
max_length=2000,
|
|
|
|
|
null=True,
|
|
|
|
|
blank=True,
|
|
|
|
|
default='')
|
|
|
|
|
analytics_code = models.TextField(
|
|
|
|
|
"网站统计代码",
|
|
|
|
|
max_length=1000,
|
|
|
|
|
null=False,
|
|
|
|
|
blank=False,
|
|
|
|
|
default='')
|
|
|
|
|
show_gongan_code = models.BooleanField(
|
|
|
|
|
'是否显示公安备案号', default=False, null=False)
|
|
|
|
|
gongan_beiancode = models.TextField(
|
|
|
|
|
'公安备案号',
|
|
|
|
|
max_length=2000,
|
|
|
|
|
null=True,
|
|
|
|
|
blank=True,
|
|
|
|
|
default='')
|
|
|
|
|
comment_need_review = models.BooleanField(
|
|
|
|
|
'评论是否需要审核', default=False, null=False)
|
|
|
|
|
site_name = models.CharField(_('站点名称'), max_length=200, null=False, blank=False, default='') # 站点名称
|
|
|
|
|
site_description = models.TextField(_('站点描述'), max_length=1000, null=False, blank=False, default='') # 站点描述
|
|
|
|
|
site_seo_description = models.TextField(_('SEO描述'), max_length=1000, null=False, blank=False, default='') # SEO描述
|
|
|
|
|
site_keywords = models.TextField(_('站点关键词'), max_length=1000, null=False, blank=False, default='') # 站点关键词
|
|
|
|
|
article_sub_length = models.IntegerField(_('文章摘要长度'), default=300) # 文章摘要显示长度
|
|
|
|
|
sidebar_article_count = models.IntegerField(_('侧边栏文章数量'), default=10) # 侧边栏显示的文章数量
|
|
|
|
|
sidebar_comment_count = models.IntegerField(_('侧边栏评论数量'), default=5) # 侧边栏显示的评论数量
|
|
|
|
|
article_comment_count = models.IntegerField(_('文章评论数量'), default=5) # 文章页显示的评论数量
|
|
|
|
|
show_google_adsense = models.BooleanField(_('显示Google广告'), default=False) # 是否显示Google广告
|
|
|
|
|
google_adsense_codes = models.TextField(_('Google广告代码'), max_length=2000, null=True, blank=True, default='') # Google广告代码
|
|
|
|
|
open_site_comment = models.BooleanField(_('开放站点评论'), default=True) # 是否开放站点评论
|
|
|
|
|
global_header = models.TextField(_("公共头部"), null=True, blank=True, default='') # 公共头部HTML
|
|
|
|
|
global_footer = models.TextField(_("公共尾部"), null=True, blank=True, default='') # 公共尾部HTML
|
|
|
|
|
beian_code = models.CharField(_('备案号'), max_length=2000, null=True, blank=True, default='') # 备案号
|
|
|
|
|
analytics_code = models.TextField(_("网站统计代码"), max_length=1000, null=False, blank=False, default='') # 统计代码，如百度统计
|
|
|
|
|
show_gongan_code = models.BooleanField(_('是否显示公安备案号'), default=False) # 是否显示公安备案号
|
|
|
|
|
gongan_beiancode = models.TextField(_('公安备案号'), max_length=2000, null=True, blank=True, default='') # 公安备案号
|
|
|
|
|
comment_need_review = models.BooleanField(_('评论是否需要审核'), default=False) # 评论是否需要审核
|
|
|
|
|
|
|
|
|
|
class Meta:
|
|
|
|
|
verbose_name = _('Website configuration')
|
|
|
|
|
verbose_name = _('网站配置')
|
|
|
|
|
verbose_name_plural = verbose_name
|
|
|
|
|
|
|
|
|
|
def __str__(self):
|
|
|
|
|
return self.site_name
|
|
|
|
|
return self.site_name # 对象字符串表示为站点名称
|
|
|
|
|
|
|
|
|
|
def clean(self):
|
|
|
|
|
# 确保只能存在一个站点配置实例
|
|
|
|
|
if BlogSettings.objects.exclude(id=self.id).count():
|
|
|
|
|
raise ValidationError(_('There can only be one configuration'))
|
|
|
|
|
raise ValidationError(_('只能存在一个配置'))
|
|
|
|
|
|
|
|
|
|
def save(self, *args, **kwargs):
|
|
|
|
|
super().save(*args, **kwargs)
|
|
|
|
|
from djangoblog.utils import cache
|
|
|
|
|
cache.clear()
|
|
|
|
|
cache.clear() # 保存配置后清除缓存
|
