なんかもうめっちゃ変えた

packages/backend/src/server/api/endpoints/drive/files/check-existence.ts

@@ -1,5 +1,7 @@
-import define from '../../../define.js';
-import { DriveFiles } from '@/models/index.js';
+import { Inject, Injectable } from '@nestjs/common';
+import { Endpoint } from '@/server/api/endpoint-base.js';
+import { DriveFilesRepository } from '@/models/index.js';
+import { DI } from '@/di-symbols.js';
 
 export const meta = {
 	tags: ['drive'],
@@ -25,11 +27,19 @@ export const paramDef = {
 } as const;
 
 // eslint-disable-next-line import/no-default-export
-export default define(meta, paramDef, async (ps, user) => {
-	const file = await DriveFiles.findOneBy({
-		md5: ps.md5,
-		userId: user.id,
-	});
+@Injectable()
+export default class extends Endpoint<typeof meta, typeof paramDef> {
+	constructor(
+		@Inject(DI.driveFilesRepository)
+		private driveFilesRepository: DriveFilesRepository,
+	) {
+		super(meta, paramDef, async (ps, me) => {
+			const file = await this.driveFilesRepository.findOneBy({
+				md5: ps.md5,
+				userId: me.id,
+			});
 
-	return file != null;
-});
+			return file != null;
+		});
+	}
+}