more work on creditnotes, add refunded field to order, delete tickets when order is marked as refunded

shop/admin.py

@@ -54,6 +54,7 @@ class OrderAdmin(admin.ModelAdmin):
         'open',
         'paid',
         'cancelled',
+        'refunded',
     ]
 
     list_filter = [
@@ -62,6 +63,7 @@ class OrderAdmin(admin.ModelAdmin):
         'open',
         'paid',
         'cancelled',
+        'refunded',
         'user',
     ]
 
@@ -69,11 +71,15 @@ class OrderAdmin(admin.ModelAdmin):
 
     inlines = [ProductInline, TicketInline]
 
-    actions = ['mark_order_as_paid']
+    actions = ['mark_order_as_paid', 'mark_order_as_refunded']
 
     def mark_order_as_paid(self, request, queryset):
         for order in queryset.filter(paid=False):
             order.mark_as_paid()
     mark_order_as_paid.description = 'Mark order(s) as paid'
 
+    def mark_order_as_refunded(self, request, queryset):
+        for order in queryset.filter(refunded=False):
+            order.mark_as_refunded()
+    mark_order_as_refunded.description = 'Mark order(s) as refunded'
 

shop/models.py

@@ -74,6 +74,12 @@ class Order(CreatedUpdatedModel):
 
     cancelled = models.BooleanField(default=False)
 
+    refunded = models.BooleanField(
+        verbose_name=_('Refunded?'),
+        help_text=_('Whether this order has been refunded.'),
+        default=False,
+    )
+
     objects = OrderQuerySet.as_manager()
 
     def __str__(self):
@@ -137,6 +143,12 @@ class Order(CreatedUpdatedModel):
                     ticket.save()
         self.save()
 
+    def mark_as_refunded(self):
+        self.refunded=True
+        ### delete any tickets related to this order
+        self.tickets.all().delete()
+        self.save()
+
     def is_not_handed_out(self):
         if self.orderproductrelation_set.filter(handed_out=True).count() == 0:
             return True