feat: 支持图片上传接口

src/users/users.controller.ts

@@ -14,11 +14,15 @@ import {
   Inject,
   Req,
   NotFoundException,
+  UseInterceptors,
+  UploadedFile,
 } from '@nestjs/common';
+import { FileInterceptor } from '@nestjs/platform-express';
 import { Request } from 'express';
 import { WINSTON_MODULE_PROVIDER } from 'nest-winston';
 import { Logger as WinstonLogger } from 'winston';
 import { UsersService } from './users.service';
+import { UploadImageResponseDto } from './dto/upload-image.dto';
 import { CreateUserDto } from './dto/create-user.dto';
 import { UserResponseDto } from './dto/user-response.dto';
 import { ApiOperation, ApiBody, ApiResponse, ApiTags, ApiQuery } from '@nestjs/swagger';
@@ -193,6 +197,49 @@ export class UsersController {
     }
   }
 
+  // 上传图片到COS
+  @UseGuards(JwtAuthGuard)
+  @Post('cos/upload-image')
+  @HttpCode(HttpStatus.OK)
+  @UseInterceptors(FileInterceptor('file'))
+  @ApiOperation({ summary: '上传图片到COS' })
+  @ApiResponse({
+    status: 200,
+    description: '图片上传成功',
+    type: UploadImageResponseDto,
+  })
+  @ApiResponse({
+    status: 400,
+    description: '上传失败：文件格式不支持或文件过大',
+  })
+  async uploadImageToCos(
+    @CurrentUser() user: AccessTokenPayload,
+    @UploadedFile() file: Express.Multer.File,
+  ) {
+    try {
+      if (!file) {
+        return { code: ResponseCode.ERROR, message: '请选择要上传的图片文件' };
+      }
+
+
+      this.winstonLogger.log(`file: ${file}`, {
+        context: 'UsersController',
+        userId: user?.sub,
+      })
+
+      const data = await this.cosService.uploadImage(user.sub, file);
+      return data;
+    } catch (error) {
+      this.winstonLogger.error('上传图片失败', {
+        context: 'UsersController',
+        userId: user?.sub,
+        error: (error as Error).message,
+        stack: (error as Error).stack,
+      });
+      return { code: ResponseCode.ERROR, message: (error as Error).message };
+    }
+  }
+
   // App Store 服务器通知接收接口
   @Public()
   @Post('app-store-notifications')