2026-09-19 00:59:39 +08:00
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// services/api/src/uploads/dto.ts —— 上传端点入参 DTO(Task 18;sourceDeviceId
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// 为 P3 Task 3 契约增补)。校验约束对齐契约 UploadInitRequest:
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2026-09-17 22:42:13 +08:00
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// · contentType 限白名单枚举(image/heic 暂定,G2 真机验证);
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// · bytes ≥ 1(契约 minimum);上限 UPLOAD_MAX_BYTES 是环境相关量,逐请求
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// 惰性读取,故在服务层校验(同 filename 扩展名白名单与 categoryId 属主校验);
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// · clientTaskId/filename/albumId/categoryId 列宽对齐 db-cn schema
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2026-09-19 00:59:39 +08:00
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// (VarChar 128/255/64/64);sourceDeviceId 8-64(A19 设备来源语义)。
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2026-09-17 22:42:13 +08:00
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import {
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IsIn,
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IsInt,
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IsNotEmpty,
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IsOptional,
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IsString,
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MaxLength,
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Min,
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2026-09-19 00:59:39 +08:00
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MinLength,
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2026-09-17 22:42:13 +08:00
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} from 'class-validator';
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import { UPLOAD_CONTENT_TYPES, type UploadContentType } from './support';
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export class UploadInitRequestDto {
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@IsString()
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@IsNotEmpty()
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@MaxLength(64)
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albumId!: string;
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/** 缺省为相册默认分类(P1a 无默认分类概念,落 null)。 */
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@IsOptional()
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@IsString()
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@IsNotEmpty()
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@MaxLength(64)
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categoryId?: string;
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/** 客户端任务幂等键(A03:同任务重试复用会话与照片 ID)。 */
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@IsString()
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@IsNotEmpty()
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@MaxLength(128)
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clientTaskId!: string;
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/** 原始文件名,仅元数据;扩展名白名单校验在服务层(对象键后缀派生)。 */
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@IsString()
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@IsNotEmpty()
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@MaxLength(255)
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filename!: string;
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@IsInt()
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@Min(1)
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bytes!: number;
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@IsIn(UPLOAD_CONTENT_TYPES)
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contentType!: UploadContentType;
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2026-09-19 00:59:39 +08:00
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/** 客户端设备标识(A19,P3 Task 3 增补):可选,8-64 字符。 */
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@IsOptional()
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@IsString()
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@MinLength(8)
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@MaxLength(64)
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sourceDeviceId?: string;
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2026-09-17 22:42:13 +08:00
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}
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