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from django import forms
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from django.contrib import admin
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from django.contrib.auth import get_user_model
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from django.urls import reverse
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from django.utils.html import format_html
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from django.utils.translation import gettext_lazy as _
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# Register your models here.
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from .models import Article, Category, Tag, Links, SideBar, BlogSettings
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class ArticleForm(forms.ModelForm):
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# body = forms.CharField(widget=AdminPagedownWidget())
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class Meta:
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# mk: 指定表单关联的模型和字段
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model = Article
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fields = '__all__'
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def makr_article_publish(modeladmin, request, queryset):
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# mk: 批量发布文章操作，将选中的文章状态更新为已发布('p')
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queryset.update(status='p')
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def draft_article(modeladmin, request, queryset):
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# mk: 批量将文章设为草稿状态，将选中的文章状态更新为草稿('d')
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queryset.update(status='d')
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def close_article_commentstatus(modeladmin, request, queryset):
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# mk: 批量关闭文章评论功能，将选中的文章评论状态更新为关闭('c')
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queryset.update(comment_status='c')
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def open_article_commentstatus(modeladmin, request, queryset):
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# mk: 批量开启文章评论功能，将选中的文章评论状态更新为开启('o')
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queryset.update(comment_status='o')
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# mk: 为自定义管理操作设置显示名称
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makr_article_publish.short_description = _('Publish selected articles')
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draft_article.short_description = _('Draft selected articles')
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close_article_commentstatus.short_description = _('Close article comments')
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open_article_commentstatus.short_description = _('Open article comments')
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class ArticlelAdmin(admin.ModelAdmin):
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# mk: 设置文章管理界面每页显示20条记录
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list_per_page = 20
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# mk: 设置搜索字段，支持在文章正文和标题中搜索
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search_fields = ('body', 'title')
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# mk: 指定使用的表单类
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form = ArticleForm
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# mk: 设置在管理界面列表中显示的字段
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list_display = (
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'id',
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'title',
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'author',
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'link_to_category',
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'creation_time',
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'views',
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'status',
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'type',
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'article_order')
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# mk: 设置可以作为链接点击的字段
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list_display_links = ('id', 'title')
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# mk: 设置过滤器，可以在右侧边栏按状态、类型、分类筛选
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list_filter = ('status', 'type', 'category')
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# mk: 设置日期层级结构，用于按日期筛选文章
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date_hierarchy = 'creation_time'
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# mk: 设置多对多字段的横向筛选器
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filter_horizontal = ('tags',)
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# mk: 排除某些字段在表单中显示
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exclude = ('creation_time', 'last_modify_time')
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# mk: 启用"在站点上查看"功能
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view_on_site = True
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# mk: 注册自定义的批量操作
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actions = [
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makr_article_publish,
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draft_article,
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close_article_commentstatus,
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open_article_commentstatus]
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# mk: 设置使用原始ID字段的外键字段，提升性能
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raw_id_fields = ('author', 'category',)
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def link_to_category(self, obj):
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# mk: 创建指向分类编辑页面的链接
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info = (obj.category._meta.app_label, obj.category._meta.model_name)
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link = reverse('admin:%s_%s_change' % info, args=(obj.category.id,))
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return format_html(u'<a href="%s">%s</a>' % (link, obj.category.name))
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# mk: 设置分类链接字段的显示名称
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link_to_category.short_description = _('category')
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def get_form(self, request, obj=None, **kwargs):
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# mk: 自定义表单，限制作者字段只能选择超级用户
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form = super(ArticlelAdmin, self).get_form(request, obj, **kwargs)
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form.base_fields['author'].queryset = get_user_model(
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).objects.filter(is_superuser=True)
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return form
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def save_model(self, request, obj, form, change):
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# mk: 保存模型实例，调用父类的保存方法
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super(ArticlelAdmin, self).save_model(request, obj, form, change)
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def get_view_on_site_url(self, obj=None):
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# mk: 返回在站点上查看文章的URL
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if obj:
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url = obj.get_full_url()
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return url
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else:
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from djangoblog.utils import get_current_site
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site = get_current_site().domain
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return site
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class TagAdmin(admin.ModelAdmin):
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# mk: 标签管理界面排除某些字段
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exclude = ('slug', 'last_mod_time', 'creation_time')
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class CategoryAdmin(admin.ModelAdmin):
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# mk: 设置分类管理界面显示的字段
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list_display = ('name', 'parent_category', 'index')
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# mk: 分类管理界面排除某些字段
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exclude = ('slug', 'last_mod_time', 'creation_time')
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class LinksAdmin(admin.ModelAdmin):
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# mk: 链接管理界面排除某些字段
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exclude = ('last_mod_time', 'creation_time')
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class SideBarAdmin(admin.ModelAdmin):
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# mk: 设置侧边栏管理界面显示的字段
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list_display = ('name', 'content', 'is_enable', 'sequence')
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# mk: 侧边栏管理界面排除某些字段
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exclude = ('last_mod_time', 'creation_time')
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class BlogSettingsAdmin(admin.ModelAdmin):
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# mk: 博客设置管理界面使用默认配置
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pass
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