add default file service (#1627)

packages/medusa/src/services/file.ts

@@ -0,0 +1,50 @@
+import { MedusaError } from "medusa-core-utils"
+import { EntityManager } from "typeorm"
+import {
+  AbstractFileService,
+  FileServiceGetUploadStreamResult,
+  FileServiceUploadResult,
+  GetUploadedFileType,
+  UploadStreamDescriptorType,
+} from "../interfaces"
+
+class DefaultFileService extends AbstractFileService<any> {
+  upload(fileData: Express.Multer.File): Promise<FileServiceUploadResult> {
+    throw new MedusaError(
+      MedusaError.Types.UNEXPECTED_STATE,
+      "Please add a file service plugin in order to manipulate files in Medusa"
+    )
+  }
+  delete(fileData: Record<string, any>): void {
+    throw new MedusaError(
+      MedusaError.Types.UNEXPECTED_STATE,
+      "Please add a file service plugin in order to manipulate files in Medusa"
+    )
+  }
+  getUploadStreamDescriptor(
+    fileData: UploadStreamDescriptorType
+  ): Promise<FileServiceGetUploadStreamResult> {
+    throw new MedusaError(
+      MedusaError.Types.UNEXPECTED_STATE,
+      "Please add a file service plugin in order to manipulate files in Medusa"
+    )
+  }
+  getDownloadStream(
+    fileData: GetUploadedFileType
+  ): Promise<NodeJS.ReadableStream> {
+    throw new MedusaError(
+      MedusaError.Types.UNEXPECTED_STATE,
+      "Please add a file service plugin in order to manipulate files in Medusa"
+    )
+  }
+  getPresignedDownloadUrl(fileData: GetUploadedFileType): Promise<string> {
+    throw new MedusaError(
+      MedusaError.Types.UNEXPECTED_STATE,
+      "Please add a file service plugin in order to manipulate files in Medusa"
+    )
+  }
+  protected manager_: EntityManager
+  protected transactionManager_: EntityManager | undefined
+}
+
+export default DefaultFileService