Abstract product class

accounts/models.py

@@ -501,7 +501,7 @@ def generate_fake_file(original_name):
     return file
 
 
-class Subscription(models.Model):
+class ProductBase(models.Model):
     title = models.CharField(
         _('Title'),
         max_length=128,
@@ -544,14 +544,21 @@ def get_internal_info(self, user: User):
         if not is_available:
             return {
                 'is_available': is_available,
-                'message': _('This subscription already yours!'),
+                'message': _('This product already yours!'),
             }
 
         return {
                 'is_available': is_available,
-                'message': _('Subscription is available!'),
+                'message': _('Product is available!'),
             }
 
+    class Meta:
+        abstract = True
+
+
+class Subscription(ProductBase):
+    pass
+
 
 def get_payment_hex():
     """Generates UUID4 hex for payment_hex field."""

accounts/templatetags/accounts_extras.py

@@ -1,10 +1,10 @@
 from django import template
 
-from accounts.models import Subscription, User
+from accounts.models import ProductBase, User
 
 register = template.Library()
 
 
 @register.simple_tag
-def get_product_internal_info(subscription: Subscription, user: User):
-    return subscription.get_internal_info(user)
+def get_product_internal_info(product: ProductBase, user: User):
+    return product.get_internal_info(user)