refactor(server): download file (#1512)

* refactor(server): download file

* chore: generate open-api and remove unused refs

* chore(server): tests

* chore: remove unused code

server/libs/infra/src/infra.module.ts

@@ -4,6 +4,7 @@ import {
   IJobRepository,
   IKeyRepository,
   ISharedLinkRepository,
+  IStorageRepository,
   ISystemConfigRepository,
   IUserRepository,
   QueueName,
@@ -29,6 +30,7 @@ import {
   UserTokenEntity,
 } from './db';
 import { JobRepository } from './job';
+import { FilesystemProvider } from './storage';
 
 const providers: Provider[] = [
   { provide: ICryptoRepository, useClass: CryptoRepository },
@@ -36,6 +38,7 @@ const providers: Provider[] = [
   { provide: IKeyRepository, useClass: APIKeyRepository },
   { provide: IJobRepository, useClass: JobRepository },
   { provide: ISharedLinkRepository, useClass: SharedLinkRepository },
+  { provide: IStorageRepository, useClass: FilesystemProvider },
   { provide: ISystemConfigRepository, useClass: SystemConfigRepository },
   { provide: IUserRepository, useClass: UserRepository },
   { provide: IUserTokenRepository, useClass: UserTokenRepository },

server/libs/infra/src/storage/filesystem.provider.ts

@@ -0,0 +1,18 @@
+import { ImmichReadStream, IStorageRepository } from '@app/domain';
+import { constants, createReadStream, stat } from 'fs';
+import fs from 'fs/promises';
+import { promisify } from 'util';
+
+const fileInfo = promisify(stat);
+
+export class FilesystemProvider implements IStorageRepository {
+  async createReadStream(filepath: string, mimeType: string): Promise<ImmichReadStream> {
+    const { size } = await fileInfo(filepath);
+    await fs.access(filepath, constants.R_OK | constants.W_OK);
+    return {
+      stream: createReadStream(filepath),
+      length: size,
+      type: mimeType,
+    };
+  }
+}

server/libs/infra/src/storage/index.ts

@@ -0,0 +1 @@
+export * from './filesystem.provider';