web端打通oss资源上传

server/dukang-api/src/modules/common/resource.service.ts

@@ -1,4 +1,4 @@
-import { Inject, Injectable, NotFoundException } from '@nestjs/common';
+import { BadRequestException, Inject, Injectable, NotFoundException } from '@nestjs/common';
 import type { ResourceBizType, ResourceMediaType, ResourceOwnerType } from '@prisma/client';
 import { Prisma } from '@prisma/client';
 import { PrismaService } from '../../common/prisma/prisma.module';
@@ -6,7 +6,9 @@ import { serializeBigInt } from '../../common/decorators/current-user.decorator'
 import { OSS_PROVIDER } from '../../integrations/integrations.constants';
 import type { IOssProvider } from '../../integrations/oss/oss.interface';
 import type { ResourceListQueryDto } from './dto/common-query.dto';
-import type { RegisterResourceDto, UpdateResourceDto, UploadTokenDto } from './dto/common-mutate.dto';
+import type { RegisterResourceDto, UpdateResourceDto, UploadFileDto, UploadTokenDto } from './dto/common-mutate.dto';
+
+const DEFAULT_MAX_BYTES = 10 * 1024 * 1024;
 
 @Injectable()
 export class ResourceService {
@@ -19,6 +21,23 @@ export class ResourceService {
     return this.oss.getUploadToken(dto);
   }
 
+  async uploadFile(file: Express.Multer.File | undefined, dto: UploadFileDto) {
+    if (!file) {
+      throw new BadRequestException('请选择要上传的文件');
+    }
+    const maxUploadBytes = Number(process.env.OSS_MAX_UPLOAD_BYTES ?? DEFAULT_MAX_BYTES);
+    if (file.size > maxUploadBytes) {
+      throw new BadRequestException(`文件不能超过 ${Math.floor(maxUploadBytes / 1024 / 1024)}MB`);
+    }
+    return this.oss.putObject({
+      bizType: dto.bizType,
+      mediaType: dto.mediaType,
+      fileName: file.originalname || 'upload.bin',
+      buffer: file.buffer,
+      mimeType: file.mimetype,
+    });
+  }
+
   async register(dto: RegisterResourceDto) {
     const resource = await this.prisma.commonResource.create({
       data: {