Move django-based uncloud to top-level

uncloud_service/models.py

@@ -0,0 +1,64 @@
+import uuid
+
+from django.db import models
+from uncloud_pay.models import Product, RecurringPeriod, AMOUNT_MAX_DIGITS, AMOUNT_DECIMALS
+from uncloud_vm.models import VMProduct, VMDiskImageProduct
+from django.core.validators import MinValueValidator
+
+class MatrixServiceProduct(Product):
+    monthly_managment_fee = 20
+
+    description = "Managed Matrix HomeServer"
+
+    # Specific to Matrix-as-a-Service
+    vm = models.ForeignKey(
+            VMProduct, on_delete=models.CASCADE
+            )
+    domain = models.CharField(max_length=255, default='domain.tld')
+
+    # Default recurring price is PER_MONT, see Product class.
+    def recurring_price(self, recurring_period=RecurringPeriod.PER_MONTH):
+        return self.monthly_managment_fee
+
+    @staticmethod
+    def base_image():
+        # TODO: find a way to safely reference debian 10 image.
+        return VMDiskImageProduct.objects.get(uuid="93e564c5-adb3-4741-941f-718f76075f02")
+
+    @staticmethod
+    def allowed_recurring_periods():
+        return list(filter(
+            lambda pair: pair[0] in [RecurringPeriod.PER_MONTH],
+            RecurringPeriod.choices))
+
+    @property
+    def one_time_price(self):
+        return 30
+
+class GenericServiceProduct(Product):
+    custom_description = models.TextField()
+    custom_recurring_price = models.DecimalField(default=0.0,
+            max_digits=AMOUNT_MAX_DIGITS,
+            decimal_places=AMOUNT_DECIMALS,
+            validators=[MinValueValidator(0)])
+    custom_one_time_price = models.DecimalField(default=0.0,
+            max_digits=AMOUNT_MAX_DIGITS,
+            decimal_places=AMOUNT_DECIMALS,
+            validators=[MinValueValidator(0)])
+
+    @property
+    def recurring_price(self):
+        # FIXME: handle recurring_period somehow.
+        return self.custom_recurring_price
+
+    @property
+    def description(self):
+        return self.custom_description
+
+    @property
+    def one_time_price(self):
+        return self.custom_one_time_price
+
+    @staticmethod
+    def allowed_recurring_periods():
+        return RecurringPeriod.choices