refactor: infra folder (#8138)

server/src/utils/file.ts

@@ -0,0 +1,25 @@
+import { basename, extname } from 'node:path';
+
+export function getFileNameWithoutExtension(path: string): string {
+  return basename(path, extname(path));
+}
+
+export function getLivePhotoMotionFilename(stillName: string, motionName: string) {
+  return getFileNameWithoutExtension(stillName) + extname(motionName);
+}
+
+export enum CacheControl {
+  PRIVATE_WITH_CACHE = 'private_with_cache',
+  PRIVATE_WITHOUT_CACHE = 'private_without_cache',
+  NONE = 'none',
+}
+
+export class ImmichFileResponse {
+  public readonly path!: string;
+  public readonly contentType!: string;
+  public readonly cacheControl!: CacheControl;
+
+  constructor(response: ImmichFileResponse) {
+    Object.assign(this, response);
+  }
+}