add product name field to combined discounts (#2208)

* add product name field to combined discounts

Author: KatelynGit

src/ol_dbt/models/marts/combined/_marts__combined__models.yml

@@ -984,6 +984,8 @@ models:
     description: string, the product identifier either referring to courserun_readable_id,
       programrun_readable_id, or program_readable_id. Examples include course-v1:MITxPRO+TPMx_Mondelez+SPOC_R1
       and program-v1:xPRO+SysEngx.
+  - name: product_name
+    description: string, the product name either referring to courserun_title or program_title
   - name: discount_amount_text
     description: string, either dollar amount off, fixed price, or percentage discount.
   - name: company_name

src/ol_dbt/models/marts/combined/marts__combined_discounts.sql

@@ -18,6 +18,18 @@ with mitxonline_discount as (
     select * from {{ ref('marts__mitxpro_all_coupons') }}
 )
 
+, combined_products as (
+    select * from {{ ref('marts__combined__products') }}
+)
+
+, mitxpro_programs as (
+    select * from {{ ref('int__mitxpro__programs') }}
+)
+
+, mitxpro_courserun as (
+    select * from {{ ref('stg__mitxpro__app__postgres__courses_courserun') }}
+)
+
 , mitxonline_order_sum as (
     select
         discount_code
@@ -45,7 +57,7 @@ with mitxonline_discount as (
 )
 
 select
-    'MITx Online' as platform
+    '{{ var("mitxonline") }}' as platform
     , mitxonline_discount.discount_code
     , null as discount_name
     , mitxonline_discount.discount_created_on
@@ -61,6 +73,7 @@ select
     , coalesce(case when mitxonline_order_sum.discount_code is not null then true end, false) as redeemed
     , mitxonline_order_sum.coupons_used_count as discounts_used_count
     , mitxonline_product_joins.product_readable_id
+    , combined_products.product_name
     , case
         when discount_type = 'percent-off'
             then concat(format('%.2f', mitxonline_discount.discount_amount), '%')
@@ -79,30 +92,43 @@ left join mitxonline_product_joins
     on mitxonline_discount.discount_id = mitxonline_product_joins.discount_id
 left join mitxonline_order_sum
     on mitxonline_discount.discount_code = mitxonline_order_sum.discount_code
+left join combined_products
+    on mitxonline_product_joins.product_readable_id = combined_products.product_readable_id
+    and combined_products.platform = '{{ var("mitxonline") }}'
 
 union all
 
 select
-    'xPro' as platform
-    , coupon_code as discount_code
-    , coupon_name as discount_name
-    , coupon_created_on as discount_created_on
-    , payment_transaction
-    , case when coupon_id is null then 'b2b' else discount_source end as discount_source
-    , activated_on as discount_activated_on
-    , expires_on as discount_expires_on
-    , couponpaymentversion_num_coupon_codes as num_discount_codes
-    , couponpaymentversion_max_redemptions as discount_max_redemptions
-    , couponpayment_name
-    , b2border_contract_number as b2b_contract_number
-    , b2breceipt_reference_number
-    , redeemed
-    , coupons_used_count as discounts_used_count
-    , product_readable_id
-    , discount_amount as discount_amount_text
-    , company_name
-    , coupon_type as discount_type
-    , b2bcoupon_id
-    , coupon_id as discount_id
-    , couponpaymentversion_id
+    '{{ var("mitxpro") }}' as platform
+    , mitxpro_all_coupons.coupon_code as discount_code
+    , mitxpro_all_coupons.coupon_name as discount_name
+    , mitxpro_all_coupons.coupon_created_on as discount_created_on
+    , mitxpro_all_coupons.payment_transaction
+    , case when mitxpro_all_coupons.coupon_id is null then 'b2b' else mitxpro_all_coupons.discount_source
+    end as discount_source
+    , mitxpro_all_coupons.activated_on as discount_activated_on
+    , mitxpro_all_coupons.expires_on as discount_expires_on
+    , mitxpro_all_coupons.couponpaymentversion_num_coupon_codes as num_discount_codes
+    , mitxpro_all_coupons.couponpaymentversion_max_redemptions as discount_max_redemptions
+    , mitxpro_all_coupons.couponpayment_name
+    , mitxpro_all_coupons.b2border_contract_number as b2b_contract_number
+    , mitxpro_all_coupons.b2breceipt_reference_number
+    , mitxpro_all_coupons.redeemed
+    , mitxpro_all_coupons.coupons_used_count as discounts_used_count
+    , mitxpro_all_coupons.product_readable_id
+    , coalesce(combined_products.product_name, mitxpro_programs.program_title, mitxpro_courserun.courserun_title)
+        as product_name
+    , mitxpro_all_coupons.discount_amount as discount_amount_text
+    , mitxpro_all_coupons.company_name
+    , mitxpro_all_coupons.coupon_type as discount_type
+    , mitxpro_all_coupons.b2bcoupon_id
+    , mitxpro_all_coupons.coupon_id as discount_id
+    , mitxpro_all_coupons.couponpaymentversion_id
 from mitxpro_all_coupons
+left join combined_products
+    on mitxpro_all_coupons.product_readable_id = combined_products.product_readable_id
+    and combined_products.platform = '{{ var("mitxpro") }}'
+left join mitxpro_programs
+    on mitxpro_all_coupons.product_readable_id = mitxpro_programs.program_readable_id
+left join mitxpro_courserun
+    on mitxpro_all_coupons.product_readable_id = mitxpro_courserun.courserun_readable_id