phantasmobile/app/item/admin.py

from django.contrib import admin

from . import models


class ItemAdmin(admin.ModelAdmin):
    search_fields = ['title', 'description', 'url']
    list_display = ['__str__', 'id', 'published']
    list_filter = (
        ("published", admin.EmptyFieldListFilter),
    )
    raw_id_fields = ['user']

    def get_changeform_initial_data(self, request):
        return {'user': request.user}

admin.site.register(models.Item, ItemAdmin)


class CommentAdmin(admin.ModelAdmin):
    search_fields = [
        'item__title',
        'item__url',
        'text',
        'name',
        'email'
    ]
    list_display = ['__str__', 'published']
    list_filter = (
        ("published", admin.EmptyFieldListFilter),
    )
    raw_id_fields = ['item', 'user']

admin.site.register(models.Comment, CommentAdmin)