src/capture/capture.controller.ts

import {
  Controller,
  Post,
  UseInterceptors,
  UploadedFile,
  Get,
  Param,
  BadRequestException,
} from '@nestjs/common';

import { FileInterceptor } from '@nestjs/platform-express';
import { diskStorage } from 'multer';
import { extname } from 'path';
import { CaptureService } from './capture.service';

@Controller('capture')
export class CaptureController {
  constructor(private readonly service: CaptureService) {}

  @Post('upload')
  @UseInterceptors(
    FileInterceptor('file', {
      storage: diskStorage({
        destination: './uploads',
        filename: (req, file, cb) => {
          const uniqueName = `${Date.now()}-${Math.round(Math.random() * 1e9)}${extname(file.originalname)}`;
          cb(null, uniqueName);
        },
      }),
    }),
  )
  async uploadFile(@UploadedFile() file: any) {
    if (!file) {
      throw new BadRequestException('No file provided');
    }
    return this.service.processInvoice(file);
  }

  @Get()
  findAll() {
    return this.service.findAll();
  }

  @Get(':id')
  findOne(@Param('id') id: string) {
    return this.service.findOne(Number(id));
  }
}