Administrador Autores

from django.contrib import admin

from .models import Author
from actions import export_as_excel
# Register your models here.

class AuthorAdmin(admin.ModelAdmin):
    list_display = ('id', 'first_name', 'last_name', 'age', 'link_own', 'news_counter', )
    list_filter = ('first_name', 'last_name', )
    search_fields = ('first_name', 'last_name', ) #si quiero buscar noticias por el apellido de su author 'author__last_name'
    list_editable = ('first_name', 'last_name', 'age', 'link_own' )
    actions = (export_as_excel,)
    def news_counter(self, obj):
        return obj.news.all().count() #Imprime en pantalla el numero de noticias del autor
    news_counter.short_description = 'Noticias'
    news_counter.allow_tags = True

admin.site.register(Author, AuthorAdmin)