Item default tax rate

db/sql/1-tables.sql

@@ -46,7 +46,8 @@ create table sos."item" (
   item_description text not null,
   item_urlslug citext unique not null,
   item_price_cents integer not null,
-  item_published  boolean not null default true
+  item_published  boolean not null default true,
+  item_tax_percent_override numeric(8,6) null
 );
 
 create table sos."cart_item" (
@@ -261,3 +262,7 @@ create table sos."item_stockchange_admin" (
 
   stockchange_withdrawal_uuid  uuid                    references sos."admin_withdrawal" (withdrawal_uuid)
 );
+
+create table sos."config" (
+  config_default_tax_percent      numeric(8,6)         not null default 7.250
+);

db/sql/2-views.sql

@@ -1,6 +1,12 @@
 create or replace view sos.v_item as
   select
-    "item".*,
+    "item".item_uuid,
+    "item".item_name,
+    "item".item_description,
+    "item".item_urlslug,
+    "item".item_price_cents,
+    "item".item_published,
+    coalesce("item".item_tax_percent_override, "config".config_default_tax_percent) as item_tax_rate,
     "image".image_uuid,
     "image".image_featured,
     "image".image_mime_type,
@@ -8,6 +14,7 @@ create or replace view sos.v_item as
     "user".user_email as uploader_email,
     coalesce(num_added - num_removed, 0) as item_number_in_stock
   from sos."item"
+    left join sos."config" on true
     left join sos."image" on item.item_uuid = image.image_item_uuid
     left join sos."user"  on image.image_uploader_uuid = "user".user_uuid
     left join