chore: pick the default store region (#7369)

* chore: pick the default store region

* chore: fix test

* chore: remove from defaults workflow and move to seeds

* chore: undo payment provider change

* chore: rearrange conditionals

integration-tests/helpers/seed-storefront-defaults.ts

@@ -0,0 +1,40 @@
+import { createDefaultsWorkflow } from "@medusajs/core-flows"
+import { ModuleRegistrationName } from "@medusajs/modules-sdk"
+import {
+  IRegionModuleService,
+  IStoreModuleService,
+  MedusaContainer,
+} from "@medusajs/types"
+
+export const seedStorefrontDefaults = async (
+  container: MedusaContainer,
+  defaultCurrency: string = "usd"
+) => {
+  const regionModule: IRegionModuleService = container.resolve(
+    ModuleRegistrationName.REGION
+  )
+  const storeModule: IStoreModuleService = container.resolve(
+    ModuleRegistrationName.STORE
+  )
+
+  // Creates the stores & default sales channel
+  await createDefaultsWorkflow(container).run()
+
+  const region = await regionModule.create({
+    name: "Default Region",
+    currency_code: defaultCurrency,
+  })
+
+  let [store] = await storeModule.list({})
+
+  store = await storeModule.update(store.id, {
+    default_region_id: region.id,
+    supported_currency_codes: [region.currency_code],
+    default_currency_code: region.currency_code,
+  })
+
+  return {
+    region,
+    store,
+  }
+}

integration-tests/modules/__tests__/cart/store/cart.workflows.spec.ts

@@ -32,6 +32,7 @@ import {
   adminHeaders,
   createAdminUser,
 } from "../../../../helpers/create-admin-user"
+import { seedStorefrontDefaults } from "../../../../helpers/seed-storefront-defaults"
 
 jest.setTimeout(200000)
 
@@ -89,11 +90,9 @@ medusaIntegrationTestRunner({
       beforeEach(async () => {
         await createAdminUser(dbConnection, adminHeaders, appContainer)
 
-        // Here, so we don't have to create a region for each test
-        defaultRegion = await regionModuleService.create({
-          name: "Default Region",
-          currency_code: "dkk",
-        })
+        const { region } = await seedStorefrontDefaults(appContainer, "dkk")
+
+        defaultRegion = region
       })
 
       describe("CreateCartWorkflow", () => {

integration-tests/modules/__tests__/cart/store/carts.spec.ts

@@ -27,6 +27,7 @@ import {
 } from "@medusajs/utils"
 import { medusaIntegrationTestRunner } from "medusa-test-utils"
 import { createAdminUser } from "../../../../helpers/create-admin-user"
+import { seedStorefrontDefaults } from "../../../../helpers/seed-storefront-defaults"
 import { createAuthenticatedCustomer } from "../../../helpers/create-authenticated-customer"
 import { setupTaxStructure } from "../../fixtures"
 
@@ -57,6 +58,7 @@ medusaIntegrationTestRunner({
 
       let defaultRegion
       let region
+      let store
 
       beforeAll(async () => {
         appContainer = getContainer()
@@ -83,11 +85,8 @@ medusaIntegrationTestRunner({
       beforeEach(async () => {
         await createAdminUser(dbConnection, adminHeaders, appContainer)
 
-        // Here, so we don't have to create a region for each test
-        defaultRegion = await regionModule.create({
-          name: "Default Region",
-          currency_code: "dkk",
-        })
+        const { region } = await seedStorefrontDefaults(appContainer, "dkk")
+        defaultRegion = region
       })
 
       describe("POST /store/carts", () => {

integration-tests/modules/medusa-config.js

@@ -86,6 +86,7 @@ module.exports = {
     [Modules.PRODUCT]: true,
     [Modules.PRICING]: true,
     [Modules.PROMOTION]: true,
+    [Modules.REGION]: true,
     [Modules.CUSTOMER]: true,
     [Modules.SALES_CHANNEL]: true,
     [Modules.CART]: true,

packages/core/core-flows/src/definition/cart/steps/find-one-or-any-region.ts

@@ -1,5 +1,5 @@
 import { ModuleRegistrationName } from "@medusajs/modules-sdk"
-import { IRegionModuleService } from "@medusajs/types"
+import { IRegionModuleService, IStoreModuleService } from "@medusajs/types"
 import { MedusaError } from "@medusajs/utils"
 import { StepResponse, createStep } from "@medusajs/workflows-sdk"
 
@@ -11,21 +11,29 @@ export const findOneOrAnyRegionStep = createStep(
       ModuleRegistrationName.REGION
     )
 
-    if (!data.regionId) {
-      // TODO: Pick up the default store region if none is provided
-      const regions = await service.list({})
+    const storeModule = container.resolve<IStoreModuleService>(
+      ModuleRegistrationName.STORE
+    )
 
-      if (!regions?.length) {
-        throw new MedusaError(
-          MedusaError.Types.INVALID_DATA,
-          "No regions found"
-        )
-      }
+    if (data.regionId) {
+      const region = await service.retrieve(data.regionId)
 
-      return new StepResponse(regions[0])
+      return new StepResponse(region)
     }
 
-    const region = await service.retrieve(data.regionId)
+    const [store] = await storeModule.list()
+
+    if (!store) {
+      throw new MedusaError(MedusaError.Types.NOT_FOUND, "Store not found")
+    }
+
+    const [region] = await service.list({
+      id: store.default_region_id,
+    })
+
+    if (!region) {
+      throw new MedusaError(MedusaError.Types.INVALID_DATA, "No regions found")
+    }
 
     return new StepResponse(region)
   }