added credit change comment field

cash/admin.py

@@ -8,9 +8,12 @@ from django.utils.translation import ugettext_lazy
 from django.utils.translation import ugettext_noop
 
 class AccountForm(forms.ModelForm):
-	credit_change = forms.DecimalField(max_digits = 5, decimal_places = 2,
-	                                   required = False,
-	                                   label = ugettext_lazy('change change'))
+	credit_change = forms.DecimalField(max_digits=5, decimal_places=2,
+	                                   required=False,
+	                                   label=ugettext_lazy('change change'))
+
+	credit_change_comment = forms.CharField(max_length=64, required=False,
+	                                        label=ugettext_lazy('comment'))
 
 	class Meta:
 		model = Account
@@ -19,6 +22,14 @@ class AccountAdmin(admin.ModelAdmin):
 	list_display = ('user', 'card_number', 'credit', 'transaction_link')
 	form = AccountForm
 	readonly_fields = ('credit',)
+	fieldsets = (
+	    (None, {
+	        'fields': ('user', 'card_number', 'pin', 'credit'),
+	    }),
+	    (ugettext_lazy('change change'), {
+	        'fields': ('credit_change', 'credit_change_comment'),
+	    }),
+	)
 
 	def transaction_link(self, account):
 		return '<a href="%s?account__id__exact=%d">%s</a>' % \
@@ -35,8 +46,7 @@ class AccountAdmin(admin.ModelAdmin):
 		DESCRIPTION = ugettext_noop('Authorized by %(first)s %(last)s')
 
 		amount = form.cleaned_data['credit_change']
-
-		print amount
+		comment = form.cleaned_data['credit_change_comment']
 
 		if amount is not None and amount != 0:
 			if amount > 0:
@@ -46,6 +56,8 @@ class AccountAdmin(admin.ModelAdmin):
 
 			desc = DESCRIPTION % {'first': request.user.first_name,
 			                      'last': request.user.last_name}
+			if comment is not None and len(comment) > 0:
+				desc += ' (%s)' % (comment)
 			obj.change_credit(amount, subject, desc)