From a5a63a5af8e121263a8208873c381e871d86b6c7 Mon Sep 17 00:00:00 2001
From: Kiril Kartunov <kiril.kartunov@gmail.com>
Date: Fri, 24 Mar 2023 06:00:40 +0200
Subject: [PATCH] Add price info on cert details page

---
 .../CertificationDetailsSidebar.tsx           | 49 +++++++++++++++++--
 .../stripe/stripe-product.provider.ts         |  2 +-
 2 files changed, 47 insertions(+), 4 deletions(-)

diff --git a/src-ts/tools/learn/certification-details/certification-details-sidebar/CertificationDetailsSidebar.tsx b/src-ts/tools/learn/certification-details/certification-details-sidebar/CertificationDetailsSidebar.tsx
index 2f79e7b7e..20fe32843 100644
--- a/src-ts/tools/learn/certification-details/certification-details-sidebar/CertificationDetailsSidebar.tsx
+++ b/src-ts/tools/learn/certification-details/certification-details-sidebar/CertificationDetailsSidebar.tsx
@@ -12,6 +12,8 @@ import {
     TCACertificationProgress,
 } from '../../learn-lib'
 import { EnrollCtaBtn } from '../enroll-cta-btn'
+import { EnvironmentConfig } from '../../../../config'
+import { StripeProduct, useGetStripeProduct } from '../../learn-lib/data-providers/payments'
 
 import styles from './CertificationDetailsSidebar.module.scss'
 
@@ -33,9 +35,25 @@ function renderTooltipContents(icon: ReactNode, text: Array<string>): ReactNode
     )
 }
 
+// eslint-disable-next-line complexity
 const CertificationDetailsSidebar: FC<CertificationDetailsSidebarProps> = (props: CertificationDetailsSidebarProps) => {
     const completed: boolean = !!props.certProgress?.completedAt
 
+    const tcaMonetizationEnabled: boolean = EnvironmentConfig.REACT_APP_ENABLE_TCA_CERT_MONETIZATION || false
+
+    // fetch Stripe product data conditionally
+    const { product }: { product: StripeProduct | undefined }
+        = useGetStripeProduct(
+            tcaMonetizationEnabled && !completed && !props.certProgress
+                ? props.certification?.stripeProductId as string
+                : '',
+        )
+    const price: string
+        = Number((product?.default_price.unit_amount || 0) / 100)
+            .toFixed(2)
+
+    const suggestedRetailPrice: string = product?.metadata?.estimatedRetailPrice || '20'
+
     return (
         <StickySidebar>
             <div className={styles['certificate-placeholder']}>
@@ -85,9 +103,34 @@ const CertificationDetailsSidebar: FC<CertificationDetailsSidebarProps> = (props
                             <IconSolid.CurrencyDollarIcon />
                         </span>
                         <span className='quote-main'>
-                            <span className='strike'>$20&nbsp;</span>
-                            <strong className={styles.freeLabel}>FREE</strong>
-                            <span className='body-main-bold'>&nbsp;enrollment ends on April 30th</span>
+                            <span className='strike'>
+                                $
+                                {suggestedRetailPrice}
+                                &nbsp;
+                            </span>
+                            {tcaMonetizationEnabled ? (
+                                <>
+                                    <span>
+                                        $
+                                        {price}
+                                        &nbsp;
+                                    </span>
+                                    <span>one-time payment</span>
+                                    <Tooltip
+                                        content={renderTooltipContents(<IconSolid.CurrencyDollarIcon />, [
+                                            'One-off, non-recurring payment',
+                                        ])}
+                                        place='bottom'
+                                        trigger={<IconOutline.InformationCircleIcon />}
+                                        triggerOn='hover'
+                                    />
+                                </>
+                            ) : (
+                                <>
+                                    <strong className={styles.freeLabel}>FREE</strong>
+                                    <span className='body-main-bold'>&nbsp;enrollment ends on April 30th</span>
+                                </>
+                            )}
                         </span>
                     </li>
                 )}
diff --git a/src-ts/tools/learn/learn-lib/data-providers/payments/stripe/stripe-product.provider.ts b/src-ts/tools/learn/learn-lib/data-providers/payments/stripe/stripe-product.provider.ts
index 1b9bd25f2..86f565f9d 100644
--- a/src-ts/tools/learn/learn-lib/data-providers/payments/stripe/stripe-product.provider.ts
+++ b/src-ts/tools/learn/learn-lib/data-providers/payments/stripe/stripe-product.provider.ts
@@ -15,7 +15,7 @@ export function useGetStripeProduct(productId: string): StripeProductData {
     )
     const swrCacheConfig: SWRConfiguration = useSwrCache(url)
 
-    const { data: product, error }: SWRResponse<StripeProduct> = useSWR(url, swrCacheConfig)
+    const { data: product, error }: SWRResponse<StripeProduct> = useSWR(productId ? url : undefined, swrCacheConfig)
 
     return {
         loading: !product && !error,