text: #!/usr/bin/env python
  # encoding: utf-8
  from django.contrib import admin
  # Register your models here.
  from .models import Article, Category, Tag, Links, SideBar, BlogSettings
  from django import forms
  from django.contrib.auth import get_user_model
  from django.utils.translation import ugettext_lazy as _
  from django.urls import reverse
  from django.utils.html import format_html
  
  
  class ArticleListFilter(admin.SimpleListFilter):
      title = _("作者")
      parameter_name = 'author'
  
      def lookups(self, request, model_admin):
          authors = list(set(map(lambda x: x.author, Article.objects.all())))
          for author in authors:
              yield (author.id, _(author.username))
  
      def queryset(self, request, queryset):
          id = self.value()
          if id:
              return queryset.filter(author__id__exact=id)
          else:
              return queryset
  
  
  class ArticleForm(forms.ModelForm):
      # body = forms.CharField(widget=AdminPagedownWidget())
  
      class Meta:
          model = Article
          fields = '__all__'
  
  
  def makr_article_publish(modeladmin, request, queryset):
      queryset.update(status='p')
  
  
  def draft_article(modeladmin, request, queryset):
      queryset.update(status='d')
  
  
  def close_article_commentstatus(modeladmin, request, queryset):
      queryset.update(comment_status='c')
  
  
  def open_article_commentstatus(modeladmin, request, queryset):
      queryset.update(comment_status='o')
  
  
  makr_article_publish.short_description = '发布选中文章'
  draft_article.short_description = '选中文章设置为草稿'
  close_article_commentstatus.short_description = '关闭文章评论'
  open_article_commentstatus.short_description = '打开文章评论'
  
  
  class ArticlelAdmin(admin.ModelAdmin):
      list_per_page = 20
      search_fields = ('body', 'title')
      form = ArticleForm
      list_display = (
          'id',
          'title',
          'author',
          'link_to_category',
          'created_time',
          'views',
          'status',
          'type',
          'article_order')
      list_display_links = ('id', 'title')
      list_filter = (ArticleListFilter, 'status', 'type', 'category', 'tags')
      filter_horizontal = ('tags',)
      exclude = ('created_time', 'last_mod_time')
      view_on_site = True
      actions = [
          makr_article_publish,
          draft_article,
          close_article_commentstatus,
          open_article_commentstatus]
  
      def link_to_category(self, obj):
          info = (obj.category._meta.app_label, obj.category._meta.model_name)
          link = reverse('admin:%s_%s_change' % info, args=(obj.category.id,))
          return format_html(u'<a href="%s">%s</a>' % (link, obj.category.name))
  
      link_to_category.short_description = '分类目录'
  
      def get_form(self, request, obj=None, **kwargs):
          form = super(ArticlelAdmin, self).get_form(request, obj, **kwargs)
          form.base_fields['author'].queryset = get_user_model(
          ).objects.filter(is_superuser=True)
          return form
  
      def save_model(self, request, obj, form, change):
          super(ArticlelAdmin, self).save_model(request, obj, form, change)
  
      def get_view_on_site_url(self, obj=None):
          if obj:
              url = obj.get_full_url()
              return url
          else:
              from DjangoBlog.utils import get_current_site
              site = get_current_site().domain
              return site
  
  
  class TagAdmin(admin.ModelAdmin):
      exclude = ('slug', 'last_mod_time', 'created_time')
  
  
  class CategoryAdmin(admin.ModelAdmin):
      exclude = ('slug', 'last_mod_time', 'created_time')
  
  
  class LinksAdmin(admin.ModelAdmin):
      exclude = ('last_mod_time', 'created_time')
  
  
  class SideBarAdmin(admin.ModelAdmin):
      list_display = ('name', 'content', 'is_enable', 'sequence')
      exclude = ('last_mod_time', 'created_time')
  
  
  class BlogSettingsAdmin(admin.ModelAdmin):
      pass
  