Add is_closed column in the orders table

Signed-off-by: popcorny <celu@infuseai.io>

Author: popcornylu

models/orders.sql

@@ -36,6 +36,7 @@ final as (
         orders.customer_id,
         orders.order_date,
         orders.status,
+        orders.is_closed,
 
         {% for payment_method in payment_methods -%}
 

models/staging/stg_orders.sql

@@ -13,9 +13,13 @@ renamed as (
     select
         id as order_id,
         user_id as customer_id,
-        order_date,
-        status
-
+        order_date,        
+        status,
+        case 
+            when status IN ('completed', 'returned') THEN true
+            when status IN ('shipped', 'placed', 'return_pending') THEN false
+            else NULL
+        end as is_closed
     from source
 
 )