promoCodeView lambda: created handler and tests (#3311)

* promoCodeView lambda: created handler and tests

* formatting fix

* Refactoring

* Grant read/write permissions to PromoCodeView Lambda

* streamLabels updated

* Removed batching complexity

* formatting fix

* show promo codes in logs

* test fix

* refactor: use promoCampaignSchema and set promotion_type to 'percent_discount'

* snapshots updated to reflect node version change

Author: AnastasiiaBalenko

buildcheck/data/build.ts

@@ -202,6 +202,7 @@ const promotionsLambdas: HandlerDefinition = {
 	functionNames: [
 		'promotions-lambdas-promo-campaign-sync-',
 		'promotions-lambdas-promo-sync-',
+		'promotions-lambdas-promo-code-view-',
 	],
 	entryPoints: ['src/handlers/*.ts'],
 	dependencies: {

cdk/bin/cdk.ts

@@ -127,10 +127,12 @@ new SingleContributionSalesforceWrites(
 new PromotionsLambdas(app, 'CODE', {
 	oldPromoCampaignStreamLabel: '2025-12-17T11:57:50.933',
 	oldPromoStreamLabel: '2023-04-28T14:57:20.201',
+	newPromoStreamLabel: '2026-01-05T11:33:36.603',
 });
 new PromotionsLambdas(app, 'PROD', {
 	oldPromoCampaignStreamLabel: '2025-12-17T11:57:59.560',
 	oldPromoStreamLabel: '2016-06-01T13:26:09.654',
+	newPromoStreamLabel: '2026-01-05T11:50:46.239',
 });
 
 const stacks: Array<new (app: App, stage: SrStageNames) => unknown> = [