23 lines
663 B
Python
23 lines
663 B
Python
from django.contrib import admin
|
|
from .models import AppConfig
|
|
|
|
from trznice.admin import custom_admin_site
|
|
|
|
|
|
class AppConfigAdmin(admin.ModelAdmin):
|
|
def has_add_permission(self, request):
|
|
# Prevent adding more than one instance
|
|
return not AppConfig.objects.exists()
|
|
|
|
def has_delete_permission(self, request, obj=None):
|
|
# Prevent deletion
|
|
return False
|
|
|
|
readonly_fields = ('last_changed_by', 'last_changed_at',)
|
|
|
|
def save_model(self, request, obj, form, change):
|
|
obj.last_changed_by = request.user
|
|
super().save_model(request, obj, form, change)
|
|
|
|
custom_admin_site.register(AppConfig, AppConfigAdmin)
|