djadhere/adhesions/admin.py

from django.contrib import admin

from .models import Profile, Corporation, Adherent


class ProfileAdmin(admin.ModelAdmin):
    list_display = ('user', 'phone_number',)


class AdherentTypeFilter(admin.SimpleListFilter):
    title = 'type d’adhérent'
    parameter_name = 'type'

    def lookups(self, request, model_admin):
        return (
            ('physique', 'Personne physique'),
            ('morale', 'Personne morale'),
        )

    def queryset(self, request, queryset):
        if self.value() == 'physique':
            return queryset.filter(adherent_type__app_label='auth',
                                   adherent_type__model='user')
        if self.value() == 'morale':
            return queryset.filter(adherent_type__app_label='adhesions',
                                   adherent_type__model='corporation')


class AdherentAdmin(admin.ModelAdmin):
    list_display = ('id', 'adherent_name', 'type',)
    list_filter = (AdherentTypeFilter,)

    def adherent_name(self, obj):
        return str(obj)
    adherent_name.short_description = 'Nom ou raison sociale'


admin.site.register(Profile, ProfileAdmin)
admin.site.register(Corporation)
admin.site.register(Adherent, AdherentAdmin)