Update database schema and tests for subscription and order management

This commit includes a significant change in the way subscriptions and orders are handled. It introduces the ability to update existing orders and subscriptions, including adding and deleting items. The diff also adds checks to ensure that only valid items can be read, and adds corresponding test cases to verify these changes.

apps/web/supabase/tests/database/team-billing-subscriptions.test.sql

@@ -33,13 +33,23 @@ SELECT public.upsert_subscription(makerkit.get_account_id_by_slug('makerkit'), '
         "quantity": 2,
         "interval": "month",
         "interval_count": 1
+    },
+    {
+        "id": "sub_789",
+        "product_id": "prod_test_3",
+        "variant_id": "var_test_3",
+        "type": "flat",
+        "price_amount": 2000,
+        "quantity": 2,
+        "interval": "month",
+        "interval_count": 1
     }
 ]');
 
 -- Verify that the subscription items were created correctly
 SELECT row_eq(
     $$ select count(*) from subscription_items where subscription_id = 'sub_test' $$,
-    row(2::bigint),
+    row(3::bigint),
     'The subscription items should be created'
 );
 
@@ -80,6 +90,12 @@ SELECT public.upsert_subscription(makerkit.get_account_id_by_slug('makerkit'), '
     }
 ]');
 
+SELECT row_eq(
+    $$ select count(*) from subscription_items where subscription_id = 'sub_test' $$,
+    row(2::bigint),
+    'The subscription items should be updated'
+);
+
 -- Verify that the subscription items were updated correctly
 SELECT row_eq(
     $$ select price_amount from subscription_items where variant_id = 'var_test' $$,
@@ -107,6 +123,16 @@ SELECT is(
   'The subscription status should be past_due'
 );
 
+select tests.authenticate_as('member');
+
+SELECT row_eq(
+    $$ select count(*) from subscription_items where subscription_id = 'sub_test' $$,
+    row(2::bigint),
+    'The member can also read the subscription items'
+);
+
+set role service_role;
+
 -- Call the upsert_subscription function again to update the subscription
 SELECT public.upsert_subscription(tests.get_supabase_uid('primary_owner'), 'cus_test', 'sub_test', true, 'active', 'stripe', false, 'usd', now(), now() + interval '1 month', '[]');
 
@@ -125,9 +151,9 @@ select isnt_empty(
     'The account can read their own subscription'
 );
 
-select isnt_empty(
+select is_empty(
   $$ select * from subscription_items where subscription_id = 'sub_test' $$,
-    'The account can read their own subscription items'
+    'The subscription items are now empty'
 );
 
 select is(