Implement payment backends and interaction

Advances #3 (closed)

aleksis/apps/tezor/preferences.py

+from django.utils.translation import gettext_lazy as _
+
+from dynamic_preferences.preferences import Section
+from dynamic_preferences.types import BooleanPreference, StringPreference
+
+from aleksis.core.registries import site_preferences_registry
+
+payments = Section("payments", verbose_name=_("Payments"))
+
+
+@site_preferences_registry.register
+class SofortAPIID(StringPreference):
+    """Sofort payment backend - API ID."""
+
+    section = payments
+    name = "sofort_api_id"
+    verbose_name = _("Sofort / Klarna - API ID")
+    default = ""
+    required = False
+
+
+@site_preferences_registry.register
+class SofortAPIKey(StringPreference):
+    """Sofort payment backend - API key."""
+
+    section = payments
+    name = "sofort_api_key"
+    verbose_name = _("Sofort / Klarna - API Key")
+    default = ""
+    required = False
+
+
+@site_preferences_registry.register
+class SofortProjectID(StringPreference):
+    """Sofort payment backend - project ID."""
+
+    section = payments
+    name = "sofort_project_id"
+    verbose_name = _("Sofort / Klarna - Project ID")
+    default = ""
+    required = False
+
+
+@site_preferences_registry.register
+class PaypalClientID(StringPreference):
+    """PayPal payment backend - client ID."""
+
+    section = payments
+    name = "paypal_client_id"
+    verbose_name = _("PayPal - Client ID")
+    default = ""
+    required = False
+
+
+@site_preferences_registry.register
+class PaypalSecret(StringPreference):
+    """PayPal payment backend - secret."""
+
+    section = payments
+    name = "paypal_secret"
+    verbose_name = _("PayPal - Secret")
+    default = ""
+    required = False
+
+
+@site_preferences_registry.register
+class PaypalCapture(BooleanPreference):
+    """PayPal payment backend - use Authorize & Capture."""
+
+    section = payments
+    name = "paypal_capture"
+    verbose_name = _("PayPal - Use Authorize & Capture")
+    default = False
+    required = False