class AudiobookAdmin(admin.ModelAdmin):
- list_display = ["title", "slug", "index", "part_name", "license", "youtube_volume"]
+ list_display = ["title", "slug", "index", "part_name", "duration", "license", "youtube_volume"]
list_filter = ["license"]
search_fields = ["title", "slug", "part_name", "youtube_volume"]
list_editable = ["youtube_volume"]
+ readonly_fields = ['duration']
admin.site.register(Audiobook, AudiobookAdmin)