Make VM order-able again

uncloud_django_based/uncloud/uncloud_vm/serializers.py

@@ -3,7 +3,9 @@ from django.contrib.auth import get_user_model
 from rest_framework import serializers
 
 from .models import VMHost, VMProduct, VMSnapshotProduct, VMDiskProduct, VMDiskImageProduct, VMCluster
-from uncloud_pay.models import RecurringPeriod
+from uncloud_pay.models import RecurringPeriod, BillingAddress
+
+# XXX: does not seem to be used?
 
 GB_SSD_PER_DAY=0.012
 GB_HDD_PER_DAY=0.0006
@@ -11,6 +13,8 @@ GB_HDD_PER_DAY=0.0006
 GB_SSD_PER_DAY=0.012
 GB_HDD_PER_DAY=0.0006
 
+###
+# Admin views.
 
 class VMHostSerializer(serializers.HyperlinkedModelSerializer):
     vms = serializers.PrimaryKeyRelatedField(many=True, read_only=True)
@@ -26,6 +30,9 @@ class VMClusterSerializer(serializers.HyperlinkedModelSerializer):
         fields = '__all__'
 
 
+###
+# Disks.
+
 class VMDiskProductSerializer(serializers.ModelSerializer):
     class Meta:
         model = VMDiskProduct
@@ -46,30 +53,6 @@ class VMDiskImageProductSerializer(serializers.ModelSerializer):
         model = VMDiskImageProduct
         fields = '__all__'
 
-class DCLVMProductSerializer(serializers.HyperlinkedModelSerializer):
-    """
-    Create an interface similar to standard DCL
-    """
-
-    # Custom field used at creation (= ordering) only.
-    recurring_period = serializers.ChoiceField(
-        choices=VMProduct.allowed_recurring_periods())
-
-    os_disk_uuid = serializers.UUIDField()
-    # os_disk_size =
-
-    class Meta:
-        model = VMProduct
-
-class ManagedVMProductSerializer(serializers.ModelSerializer):
-    """
-    Managed VM serializer used in ungleich_service app.
-    """
-    primary_disk = CreateManagedVMDiskProductSerializer()
-    class Meta:
-        model = VMProduct
-        fields = [ 'cores', 'ram_in_gb', 'primary_disk']
-
 class VMSnapshotProductSerializer(serializers.ModelSerializer):
     class Meta:
         model = VMSnapshotProduct
@@ -93,22 +76,61 @@ class VMSnapshotProductSerializer(serializers.ModelSerializer):
     pricing['per_gb_hdd'] = 0.0006
     pricing['recurring_period'] = 'per_day'
 
+###
+# VMs
+
+# Helper used in uncloud_service for services allocating VM.
+class ManagedVMProductSerializer(serializers.ModelSerializer):
+    """
+    Managed VM serializer used in ungleich_service app.
+    """
+    primary_disk = CreateManagedVMDiskProductSerializer()
+    class Meta:
+        model = VMProduct
+        fields = [ 'cores', 'ram_in_gb', 'primary_disk']
 
 class VMProductSerializer(serializers.HyperlinkedModelSerializer):
-    # Custom field used at creation (= ordering) only.
-    recurring_period = serializers.ChoiceField(
-            choices=VMProduct.allowed_recurring_periods())
     primary_disk = CreateVMDiskProductSerializer()
+    snapshots = VMSnapshotProductSerializer(many=True, read_only=True)
+    disks = VMDiskProductSerializer(many=True, read_only=True)
 
     class Meta:
         model = VMProduct
-        fields = ['uuid', 'order', 'owner', 'status', 'name', \
-                'cores', 'ram_in_gb', 'recurring_period', 'primary_disk',
-                'snapshots', 'disks', 'extra_data' ]
+        fields = ['uuid', 'order', 'owner', 'status', 'name', 'cores',
+                'ram_in_gb', 'primary_disk', 'snapshots', 'disks', 'extra_data']
         read_only_fields = ['uuid', 'order', 'owner', 'status']
 
-    snapshots = VMSnapshotProductSerializer(many=True,
-                                            read_only=True)
+class OrderVMProductSerializer(VMProductSerializer):
+    recurring_period = serializers.ChoiceField(
+            choices=VMProduct.allowed_recurring_periods())
 
-    disks = VMDiskProductSerializer(many=True,
-                                    read_only=True)
+    def __init__(self, *args, **kwargs):
+        super(VMProductSerializer, self).__init__(*args, **kwargs)
+        self.fields['billing_address'] = serializers.ChoiceField(
+                choices=BillingAddress.get_addresses_for(
+                    self.context['request'].user)
+                )
+
+    class Meta:
+        model = VMProductSerializer.Meta.model
+        fields = VMProductSerializer.Meta.fields + [
+                'recurring_period', 'billing_address'
+                ]
+        read_only_fields = VMProductSerializer.Meta.read_only_fields
+
+# Nico's playground.
+
+class DCLVMProductSerializer(serializers.HyperlinkedModelSerializer):
+    """
+    Create an interface similar to standard DCL
+    """
+
+    # Custom field used at creation (= ordering) only.
+    recurring_period = serializers.ChoiceField(
+        choices=VMProduct.allowed_recurring_periods())
+
+    os_disk_uuid = serializers.UUIDField()
+    # os_disk_size =
+
+    class Meta:
+        model = VMProduct