feat(medusa,core-flows,types): adds batch operations to price list prices (#7077)

what:

- adds batch operations to price list prices

RESOLVES CORE-1969
RESOLVES CORE-1970

packages/utils/src/pricing/builders.ts

@@ -7,9 +7,9 @@ import {
 } from "@medusajs/types"
 
 export function buildPriceListRules(
-  priceListRules: PriceListRuleDTO[]
-): Record<string, string[]> {
-  return priceListRules.reduce((acc, curr) => {
+  priceListRules?: PriceListRuleDTO[]
+): Record<string, string[]> | undefined {
+  return priceListRules?.reduce((acc, curr) => {
     const ruleAttribute = curr.rule_type.rule_attribute
     const ruleValues = curr.price_list_rule_values || []
 
@@ -20,9 +20,13 @@ export function buildPriceListRules(
 }
 
 export function buildPriceSetRules(
-  priceRules: PriceRuleDTO[]
-): Record<string, string> {
-  return priceRules.reduce((acc, curr) => {
+  priceRules?: PriceRuleDTO[]
+): Record<string, string> | undefined {
+  if (typeof priceRules === "undefined") {
+    return undefined
+  }
+
+  return priceRules?.reduce((acc, curr) => {
     const ruleAttribute = curr.rule_type.rule_attribute
     const ruleValue = curr.value
 
@@ -34,20 +38,24 @@ export function buildPriceSetRules(
 
 export function buildPriceSetPricesForCore(
   prices: (PriceDTO & {
-    price_set: PriceDTO["price_set"] & {
+    price_set?: PriceDTO["price_set"] & {
       variant?: ProductVariantDTO
     }
   })[]
 ): Record<string, any>[] {
-  return prices.map((price) => {
-    const productVariant = (price.price_set as any).variant
-    const rules: Record<string, string> = price.price_rules
-      ? buildPriceSetRules(price.price_rules)
-      : {}
+  return prices?.map((price) => {
+    const productVariant = (price.price_set as any)?.variant
+    const rules: Record<string, string> | undefined =
+      typeof price.price_rules === "undefined"
+        ? undefined
+        : buildPriceSetRules(price.price_rules || [])
+
+    delete price.price_rules
+    delete price.price_set
 
     return {
       ...price,
-      variant_id: productVariant?.id ?? null,
+      variant_id: productVariant?.id ?? undefined,
       rules,
     }
   })
@@ -56,10 +64,11 @@ export function buildPriceSetPricesForCore(
 export function buildPriceSetPricesForModule(
   prices: PriceDTO[]
 ): UpdatePriceListPriceDTO[] {
-  return prices.map((price) => {
-    const rules: Record<string, string> = price.price_rules
-      ? buildPriceSetRules(price.price_rules)
-      : {}
+  return prices?.map((price) => {
+    const rules: Record<string, string> | undefined =
+      typeof price.price_rules === "undefined"
+        ? undefined
+        : buildPriceSetRules(price.price_rules || [])
 
     return {
       ...price,