vadimandClaude Opus 5.5
f32c6e348d
- File model + migration: file metadata, content lives in object storage - IFileStorage port with local disk and S3-compatible (RustFS/MinIO) adapters - POST /files, GET /files/:id/download, DELETE /files/:id - MIME sniffed from content; only safe images served inline, nosniff header - FileOwnerRegistry: owner modules register to grant visibility and keep their files from GC; FileGcService removes orphaned files hourly - TransformResponseInterceptor passes StreamableFile through Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
35 lines
1.2 KiB
TypeScript
35 lines
1.2 KiB
TypeScript
import type { Readable } from 'node:stream';
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import { Inject, Injectable } from '@nestjs/common';
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import { FILE_STORAGE, type IFileStorage } from '../../../domain/ports/file-storage.port.js';
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import { DownloadFileQuery } from './download-file.query.js';
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import { FileDto } from '../../dto/file.dto.js';
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import { FileApplicationMapper } from '../../mappers/file-application.mapper.js';
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import { FileAccessService } from '../../services/file-access.service.js';
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export interface DownloadFileResult {
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file: FileDto;
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/** Можно ли показывать в браузере inline, иначе — только скачивание */
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inline: boolean;
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stream: Readable;
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}
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@Injectable()
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export class DownloadFileUseCase {
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constructor(
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@Inject(FILE_STORAGE)
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private readonly fileStorage: IFileStorage,
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private readonly fileAccess: FileAccessService,
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) {}
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async execute(query: DownloadFileQuery): Promise<DownloadFileResult> {
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const file = await this.fileAccess.getVisibleFile(query.id, query.userId);
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const stream = await this.fileStorage.get(file.storageKey);
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return {
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file: FileApplicationMapper.toDto(file),
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inline: file.isInlineViewable,
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stream,
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};
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}
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}
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