django/tests/admin_widgets/widgetadmin.py

from django.contrib import admin

from .models import (
    Advisor,
    Album,
    Band,
    Bee,
    Car,
    CarTire,
    Event,
    Inventory,
    Member,
    Profile,
    ReleaseEvent,
    School,
    Student,
    User,
    VideoStream,
)


class WidgetAdmin(admin.AdminSite):
    pass


class CarAdmin(admin.ModelAdmin):
    list_display = ["make", "model", "owner"]
    list_editable = ["owner"]


class CarTireAdmin(admin.ModelAdmin):
    def formfield_for_foreignkey(self, db_field, request, **kwargs):
        if db_field.name == "car":
            kwargs["queryset"] = Car.objects.filter(owner=request.user)
            return db_field.formfield(**kwargs)
        return super().formfield_for_foreignkey(db_field, request, **kwargs)


class EventAdmin(admin.ModelAdmin):
    raw_id_fields = ["main_band", "supporting_bands"]


class AlbumAdmin(admin.ModelAdmin):
    fields = (
        "name",
        "cover_art",
    )
    readonly_fields = ("cover_art",)


class SchoolAdmin(admin.ModelAdmin):
    filter_vertical = ("students",)
    filter_horizontal = ("alumni",)


site = WidgetAdmin(name="widget-admin")

site.register(User)
site.register(Car, CarAdmin)
site.register(CarTire, CarTireAdmin)

site.register(Member)
site.register(Band)
site.register(Event, EventAdmin)
site.register(Album, AlbumAdmin)
site.register(ReleaseEvent, search_fields=["name"])
site.register(VideoStream, autocomplete_fields=["release_event"])

site.register(Inventory)

site.register(Bee)

site.register(Advisor)

site.register(School, SchoolAdmin)
site.register(Student)

site.register(Profile)