feat(storefront-data): add Medusa region service and exports

Author: KaiUweCZE

libs/storefront-data/src/regions/index.ts

@@ -1,5 +1,6 @@
 export { createRegionQueryKeys } from "./query-keys"
 export { createRegionHooks } from "./hooks"
+export { createMedusaRegionService } from "./medusa-service"
 export type {
   RegionDetailInputBase,
   RegionListInputBase,
@@ -9,3 +10,7 @@ export type {
   UseRegionsResult,
 } from "./types"
 export type { CreateRegionHooksConfig } from "./hooks"
+export type {
+  MedusaRegionListInput,
+  MedusaRegionDetailInput,
+} from "./medusa-service"

libs/storefront-data/src/regions/medusa-service.ts

@@ -0,0 +1,58 @@
+import type Medusa from "@medusajs/js-sdk"
+import type { HttpTypes } from "@medusajs/types"
+import type { RegionService, RegionListResponse } from "./types"
+
+export type MedusaRegionListInput = {
+  enabled?: boolean
+}
+
+export type MedusaRegionDetailInput = {
+  id?: string
+  enabled?: boolean
+}
+
+/**
+ * Creates a RegionService for Medusa SDK
+ *
+ * @example
+ * ```typescript
+ * import { createRegionHooks, createMedusaRegionService } from "@techsio/storefront-data"
+ * import { sdk } from "@/lib/medusa-client"
+ *
+ * const regionHooks = createRegionHooks({
+ *   service: createMedusaRegionService(sdk),
+ *   queryKeys: regionQueryKeys,
+ * })
+ * ```
+ */
+export function createMedusaRegionService(
+  sdk: Medusa
+): RegionService<
+  HttpTypes.StoreRegion,
+  MedusaRegionListInput,
+  MedusaRegionDetailInput
+> {
+  return {
+    async getRegions(
+      _params: MedusaRegionListInput,
+      _signal?: AbortSignal
+    ): Promise<RegionListResponse<HttpTypes.StoreRegion>> {
+      const response = await sdk.store.region.list()
+      return {
+        regions: response.regions,
+        count: response.regions.length,
+      }
+    },
+
+    async getRegion(
+      params: MedusaRegionDetailInput,
+      _signal?: AbortSignal
+    ): Promise<HttpTypes.StoreRegion | null> {
+      if (!params.id) {
+        return null
+      }
+      const response = await sdk.store.region.retrieve(params.id)
+      return response.region ?? null
+    },
+  }
+}