boards/admin.py

from django.contrib import admin
from boards.models import Post, Tag, Ban, Thread


class PostAdmin(admin.ModelAdmin):

    list_display = ('id', 'title', 'text')
    list_filter = ('pub_time', 'thread_new')
    search_fields = ('id', 'title', 'text')


class TagAdmin(admin.ModelAdmin):

    list_display = ('name',)

class ThreadAdmin(admin.ModelAdmin):

    def title(self, obj):
        return obj.get_opening_post().title

    def reply_count(self, obj):
        return obj.get_reply_count()

    list_display = ('id', 'title', 'reply_count', 'archived')
    list_filter = ('bump_time', 'archived')
    search_fields = ('id', 'title')

admin.site.register(Post, PostAdmin)
admin.site.register(Tag, TagAdmin)
admin.site.register(Ban)
admin.site.register(Thread, ThreadAdmin)