default registry settings on installation

src/bda/plone/shop/browser/configure.zcml

@@ -176,7 +176,8 @@
     name="shop_controlpanel"
     for="zope.component.interfaces.ISite"
     class=".controlpanel.ShopSettingsControlPanel"
-    permission="cmf.ManagePortal" />
+    permission="cmf.ManagePortal"
+    layer="..interfaces.IShopExtensionLayer" />
 
   <!-- generic resources -->
   <browser:resourceDirectory

src/bda/plone/shop/interfaces.py

@@ -197,6 +197,7 @@ class IShopArticleSettings(model.Schema):
             default="Quantity units (what the buyable items are measured in)",
         ),
         required=False,
+        default=["quantity"],
         missing_value=set(["quantity"]),
         value_type=schema.Choice(
             vocabulary="bda.plone.shop.vocabularies.AvailableQuantityUnitVocabulary"
@@ -209,6 +210,7 @@ class IShopArticleSettings(model.Schema):
         ),
         description=_("help_default_quantity_unit", default="default measurement"),
         vocabulary="bda.plone.shop.vocabularies.QuantityUnitVocabulary",
+        default="quantity",
     )
 
     default_item_net = schema.Decimal(
@@ -307,6 +309,7 @@ class IShopShippingSettings(model.Schema):
             default="Available shipping methods in checkout",
         ),
         required=True,
+        default=["default_shipping", ],
         min_length=1,
         value_type=schema.Choice(
             vocabulary="bda.plone.shop.vocabularies."
@@ -394,7 +397,7 @@ class IShopTaxSettings(model.Schema):
         title=_("label_vat", default="VAT in %"),
         description=_("help_vat", default="Specify all allowed vat settings"),
         required=False,
-        missing_value=set([0]),
+        default=["0", "20"],
         value_type=schema.Choice(
             vocabulary="bda.plone.shop.vocabularies.AvailableVatVocabulary"
         ),
@@ -646,6 +649,7 @@ class IPaymentTextSettings(model.Schema):
             default="Available payment methods in checkout",
         ),
         required=True,
+        default=["invoice", ],
         min_length=1,
         value_type=schema.Choice(
             vocabulary="bda.plone.shop.vocabularies."

src/bda/plone/shop/setuphandlers.py

@@ -1,6 +1,7 @@
 # -*- coding:utf-8 -*-
 from bda.plone.shop.user.properties import PAS_ID
 from bda.plone.shop.user.properties import UserPropertiesPASPlugin
+from bda.plone.shop.vocabularies import AVAILABLE_VAT_VALUES
 from plone import api
 from plone.base.interfaces import INonInstallable
 from Products.PluggableAuthService.interfaces.plugins import IPropertiesPlugin
@@ -69,6 +70,20 @@ def install(context):
     pas = api.portal.get_tool(name="acl_users")
     logger.info(add_plugin(pas))
 
+    # add sane defaults on installation
+    api.portal.set_registry_record(
+        "bda.plone.shop.interfaces.IShopTaxSettings.vat",
+        AVAILABLE_VAT_VALUES.keys(),
+    )
+    api.portal.set_registry_record(
+        "bda.plone.shop.interfaces.IShopSettings.admin_email",
+        api.portal.get_registry_record("plone.email_from_address", default="")
+    )
+    api.portal.set_registry_record(
+        "bda.plone.shop.interfaces.IShopSettings.admin_name",
+        api.portal.get_registry_record("plone.email_from_name", default="")
+    )
+
 
 def uninstall(context):
     """

src/bda/plone/shop/utils.py

@@ -20,32 +20,32 @@ def format_amount(val):
 
 
 def get_shop_settings():
-    return getUtility(IRegistry).forInterface(IShopSettings)
+    return getUtility(IRegistry).forInterface(IShopSettings, check=False)
 
 
 def get_shop_tax_settings():
-    return getUtility(IRegistry).forInterface(IShopTaxSettings)
+    return getUtility(IRegistry).forInterface(IShopTaxSettings, check=False)
 
 
 def get_shop_article_settings():
-    return getUtility(IRegistry).forInterface(IShopArticleSettings)
+    return getUtility(IRegistry).forInterface(IShopArticleSettings, check=False)
 
 
 def get_shop_cart_settings():
-    return getUtility(IRegistry).forInterface(IShopCartSettings)
+    return getUtility(IRegistry).forInterface(IShopCartSettings, check=False)
 
 
 def get_shop_shipping_settings():
-    return getUtility(IRegistry).forInterface(IShopShippingSettings)
+    return getUtility(IRegistry).forInterface(IShopShippingSettings, check=False)
 
 
 def get_shop_notification_settings():
-    return getUtility(IRegistry).forInterface(INotificationTextSettings)
+    return getUtility(IRegistry).forInterface(INotificationTextSettings, check=False)
 
 
 def get_shop_invoice_settings():
-    return getUtility(IRegistry).forInterface(IInvoiceSettings)
+    return getUtility(IRegistry).forInterface(IInvoiceSettings, check=False)
 
 
 def get_shop_payment_settings():
-    return getUtility(IRegistry).forInterface(IPaymentTextSettings)
+    return getUtility(IRegistry).forInterface(IPaymentTextSettings, check=False)

src/bda/plone/shop/vocabularies.py

@@ -75,7 +75,7 @@ def QuantityUnitVocabulary(context):
 def AvailableVatVocabulary(context):
     # vocab is used in shop settings control panel
     items = list(AVAILABLE_VAT_VALUES.items())
-    items = sorted(items, key=lambda x: x[0])
+    items.sort(key=lambda x: x[0])
     return SimpleVocabulary([SimpleTerm(value=k, title=v) for k, v in items])