old_contents: from django.contrib import admin
  from django import forms
  from django.utils.translation import ugettext_lazy as _
  from django.forms.widgets import HiddenInput
  
  from commoner.promocodes.models import PromoCode
  
  class PromoCodeAdminForm(forms.ModelForm):
  
      code = forms.CharField(initial='', widget=HiddenInput())
      send_email = forms.BooleanField(label=_(u'Send invitation letter?'), required=False)
      
      def __init__(self, *args, **kwargs):
          # if not done here, unique_code_string is only loaded when admin is bootstrapped
          kwargs['initial'] = {'code': PromoCode.objects.unique_code_string()}
          super(PromoCodeAdminForm, self).__init__(*args, **kwargs)
  
      def save(self, force_insert=False, force_update=False, commit=True):
          
          code = super(PromoCodeAdminForm, self).save(commit)
                  
          if self.cleaned_data['send_email']:
              PromoCode.objects.send_invite_letter(code)
  
          return code
  
      class Meta:
          model = PromoCode
  
  class PromoCodeAdmin(admin.ModelAdmin):
  
      form = PromoCodeAdminForm
  
      list_display = ('recipient', 'code', 'created', 'used')    
      fields = ('code', 'recipient', 'expires', 'transaction_id', 'contribution_id', 'send_email',)
  
      # get the pretty admin boolean icons, still no filter abilities
      def used(self, object):
          return object.used
      used.short_description = _(u'Redeemed code')
      used.boolean = True
          
  admin.site.register(PromoCode, PromoCodeAdmin)
  
new_contents: from django.contrib import admin
  from django import forms
  from django.utils.translation import ugettext_lazy as _
  from django.forms.widgets import HiddenInput
  
  from commoner.promocodes.models import PromoCode
  
  class PromoCodeAdminForm(forms.ModelForm):
  
      code = forms.CharField(initial='', widget=HiddenInput())
      send_email = forms.BooleanField(label=_(u'Send invitation letter?'), required=False)
      
      def __init__(self, *args, **kwargs):
          # if not done here, unique_code_string is only loaded when admin is bootstrapped
          kwargs['initial'] = {'code': PromoCode.objects.unique_code_string()}
          super(PromoCodeAdminForm, self).__init__(*args, **kwargs)
  
      def save(self, force_insert=False, force_update=False, commit=True):
          
          code = super(PromoCodeAdminForm, self).save(commit)
                  
          if self.cleaned_data['send_email']:
              PromoCode.objects.send_invite_letter(code)
  
          return code
  
      class Meta:
          model = PromoCode
  
  class PromoCodeAdmin(admin.ModelAdmin):
  
      form = PromoCodeAdminForm
  
      list_display = ('recipient', 'code', 'created', 'used')    
      fields = ('code', 'recipient', 'expires', 'transaction_id', 'contribution_id', 'send_email',)
      ordering = ('-created',)
      
      # get the pretty admin boolean icons, still no filter abilities
      def used(self, object):
          return object.used
      used.short_description = _(u'Redeemed code')
      used.boolean = True
          
  admin.site.register(PromoCode, PromoCodeAdmin)
  
subject: Sort list by most recently created promo codes.