feat: Completely revamp the pricing module (#7852)

* feat: Completely revamp the pricing module

* chore: Update all places to the new pricing interfaces

* fix: Remove unnecessary join to itself

* chore: Add data migration for existing users

* fix: Apply the correct index to price rule

integration-tests/modules/helpers/create-default-rule-types.ts

@@ -1,18 +0,0 @@
-import { IPricingModuleService } from "@medusajs/types"
-
-export const createDefaultRuleTypes = async (container) => {
-  const pricingModuleService: IPricingModuleService = container.resolve(
-    "pricingModuleService"
-  )
-
-  return await pricingModuleService.createRuleTypes([
-    {
-      name: "region_id",
-      rule_attribute: "region_id",
-    },
-    {
-      name: "customer_group_id",
-      rule_attribute: "customer_group_id",
-    },
-  ])
-}

integration-tests/modules/helpers/create-variant-price-set.ts

@@ -13,18 +13,14 @@ const defaultPrices = [
   },
 ]
 
-const defaultPriceSetRules = [{ rule_attribute: "region_id" }]
-
 export const createVariantPriceSet = async ({
   container,
   variantId,
   prices = defaultPrices,
-  rules = defaultPriceSetRules,
 }: {
   container: MedusaContainer
   variantId: string
   prices?: CreatePriceSetDTO["prices"]
-  rules?: CreatePriceSetDTO["rules"]
 }): Promise<PriceSetDTO> => {
   const remoteLink = container.resolve("remoteLink")
   const pricingModuleService: IPricingModuleService = container.resolve(
@@ -32,7 +28,6 @@ export const createVariantPriceSet = async ({
   )
 
   const priceSet = await pricingModuleService.createPriceSets({
-    rules,
     prices,
   })