| from django.contrib import admin | |
| from django.db import models | |
| class Band(models.Model): | |
| name = models.CharField(max_length=100) | |
| bio = models.TextField() | |
| rank = models.IntegerField() | |
| class Meta: | |
| ordering = ("name",) | |
| class Song(models.Model): | |
| band = models.ForeignKey(Band, models.CASCADE) | |
| name = models.CharField(max_length=100) | |
| duration = models.IntegerField() | |
| other_interpreters = models.ManyToManyField(Band, related_name="covers") | |
| class Meta: | |
| ordering = ("name",) | |
| class SongInlineDefaultOrdering(admin.StackedInline): | |
| model = Song | |
| class SongInlineNewOrdering(admin.StackedInline): | |
| model = Song | |
| ordering = ("duration",) | |
| class DynOrderingBandAdmin(admin.ModelAdmin): | |
| def get_ordering(self, request): | |
| if request.user.is_superuser: | |
| return ["rank"] | |
| else: | |
| return ["name"] | |