Consistently use one_time_price instead of setup_fee

uncloud/uncloud_pay/migrations/0014_auto_20200303_1027.py

@@ -0,0 +1,18 @@
+# Generated by Django 3.0.3 on 2020-03-03 10:27
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('uncloud_pay', '0013_paymentmethod_stripe_card_id'),
+    ]
+
+    operations = [
+        migrations.RenameField(
+            model_name='orderrecord',
+            old_name='setup_fee',
+            new_name='one_time_price',
+        ),
+    ]

uncloud/uncloud_pay/models.py

@@ -129,11 +129,15 @@ class BillRecord():
     def __init__(self, bill, order_record):
         self.bill = bill
         self.order = order_record.order
-        self.setup_fee = order_record.setup_fee
         self.recurring_price = order_record.recurring_price
         self.recurring_period = order_record.recurring_period
         self.description = order_record.description
 
+        if self.order.starting_date > self.bill.starting_date:
+            self.one_time_price = one_time_price
+        else:
+            self.one_time_price = 0
+
     @property
     def recurring_count(self):
         # Compute billing delta.
@@ -178,17 +182,15 @@ class BillRecord():
         elif self.recurring_period == RecurringPeriod.PER_SECOND:
             seconds = ceil(billed_delta / timedelta(seconds=1))
             return Decimal(seconds)
+        elif self.recurring_period == RecurringPeriod.ONE_TIME:
+            return Decimal(0)
         else:
             raise Exception('Unsupported recurring period: {}.'.
                     format(record.recurring_period))
 
     @property
     def amount(self):
-        amount = self.recurring_count * self.recurring_price
-        if self.order.starting_date > self.bill.starting_date:
-            amount += self.setup_fee
-
-        return amount
+        return self.recurring_price * self.recurring_count + self.one_time_price
 
 ###
 # Orders.
@@ -231,22 +233,22 @@ class Order(models.Model):
         return OrderRecord.objects.filter(order=self)
 
     @property
-    def setup_fee(self):
-        return reduce(lambda acc, record: acc + record.setup_fee, self.records, 0)
+    def one_time_price(self):
+        return reduce(lambda acc, record: acc + record.one_time_price, self.records, 0)
 
     @property
     def recurring_price(self):
         return reduce(lambda acc, record: acc + record.recurring_price, self.records, 0)
 
-    def add_record(self, setup_fee, recurring_price, description):
+    def add_record(self, one_time_price, recurring_price, description):
         OrderRecord.objects.create(order=self,
-                setup_fee=setup_fee,
+                one_time_price=one_time_price,
                 recurring_price=recurring_price,
                 description=description)
 
 class OrderRecord(models.Model):
     order = models.ForeignKey(Order, on_delete=models.CASCADE)
-    setup_fee = models.DecimalField(default=0.0,
+    one_time_price = models.DecimalField(default=0.0,
             max_digits=AMOUNT_MAX_DIGITS,
             decimal_places=AMOUNT_DECIMALS,
             validators=[MinValueValidator(0)])
@@ -303,7 +305,7 @@ class Product(models.Model):
         pass # To be implemented in child.
 
     @property
-    def setup_fee(self):
+    def one_time_price(self):
         return 0
 
     @property

uncloud/uncloud_pay/serializers.py

@@ -97,7 +97,7 @@ class BillRecordSerializer(serializers.Serializer):
     recurring_period = serializers.CharField()
     recurring_price = serializers.DecimalField(max_digits=10, decimal_places=2)
     recurring_count = serializers.DecimalField(max_digits=10, decimal_places=2)
-    setup_fee = serializers.DecimalField(max_digits=10, decimal_places=2)
+    one_time_price = serializers.DecimalField(max_digits=10, decimal_places=2)
     amount = serializers.DecimalField(max_digits=10, decimal_places=2)
 
 class BillSerializer(serializers.ModelSerializer):
@@ -113,7 +113,7 @@ class BillSerializer(serializers.ModelSerializer):
 class OrderRecordSerializer(serializers.ModelSerializer):
     class Meta:
         model = OrderRecord
-        fields  = ['setup_fee', 'recurring_price', 'description']
+        fields  = ['one_time_price', 'recurring_price', 'description']
 
 
 class OrderSerializer(serializers.ModelSerializer):
@@ -121,7 +121,7 @@ class OrderSerializer(serializers.ModelSerializer):
     class Meta:
         model = Order
         fields = ['uuid', 'creation_date', 'starting_date', 'ending_date',
-                'bill', 'recurring_period', 'records', 'recurring_price', 'setup_fee']
+                'bill', 'recurring_period', 'records', 'recurring_price', 'one_time_price']
 
 class ProductSerializer(serializers.Serializer):
     vms = VMProductSerializer(many=True, read_only=True)

uncloud/uncloud_vm/views.py

@@ -49,7 +49,7 @@ class VMProductViewSet(ProductViewSet):
 
         # Add Product record to order (VM is mutable, allows to keep history in order).
         # XXX: Move this to some kind of on_create hook in parent Product class?
-        order.add_record(vm.setup_fee,
+        order.add_record(vm.one_time_price,
                 vm.recurring_price(order.recurring_period), vm.description)
 
         return Response(serializer.data)

uncloud/ungleich_service/models.py

@@ -28,5 +28,5 @@ class MatrixServiceProduct(Product):
             RecurringPeriod.choices))
 
     @property
-    def setup_fee(self):
+    def one_time_price(self):
         return 30

uncloud/ungleich_service/views.py

@@ -41,7 +41,7 @@ class MatrixServiceProductViewSet(ProductViewSet):
         # XXX: Move this to some kind of on_create hook in parent
         # Product class?
         order.add_record(
-                vm.setup_fee,
+                vm.one_time_price,
                 vm.recurring_price(order.recurring_period),
                 vm.description)
 
@@ -54,7 +54,7 @@ class MatrixServiceProductViewSet(ProductViewSet):
         # XXX: Move this to some kind of on_create hook in parent
         # Product class?
         order.add_record(
-                service.setup_fee,
+                service.one_time_price,
                 service.recurring_price(order.recurring_period),
                 service.description)