create-nest-template-malahimdev/template/src/app.controller.ts

Scaffolds a NestJS template with Swagger, global pipes, exception filters, MongoDB connection and response helpers.

import { Body, Controller, Get, Post, UseGuards } from '@nestjs/common';
import { AppService } from './app.service';
import { ApiBearerAuth, ApiExcludeEndpoint, ApiTags } from '@nestjs/swagger';
import { JwtAuthGuard } from './auth/auth.guard';
import { successResponse, errorResponse } from '../helpers/response.helper';
import { CreateItemDto } from './dto/create-item.dto';

@ApiTags('App')
@Controller()
export class AppController {
  constructor(private readonly appService: AppService) {}

  @Get()
  getHello() {
    return successResponse('Hello API working ✅', {
      data: this.appService.getHello(),
    });
  }

  // ✅ Public API
  @Get('public-api')
  getPublic() {
    return successResponse('Public API fetched successfully 🚀', {
      data: { info: 'This is a public API' },
    });
  }

  // ✅ Protected API
  @Get('protected-api')
  @UseGuards(JwtAuthGuard)
  @ApiBearerAuth()
  getProtected() {
    return successResponse('Protected API fetched successfully 🔒', {
      data: { info: 'This is a protected API' },
    });
  }

  // 🚫 Hidden API
  @Get('hidden-api')
  @ApiExcludeEndpoint()
  getHidden() {
    return successResponse('Hidden API executed 👻', {
      data: { secret: 'This API is hidden from Swagger' },
    });
  }

  // 🆕 POST API with DTO
  @Post('create-item')
  createItem(@Body() body: CreateItemDto) {
    try {
      return successResponse('Item created successfully ✅', {
        data: {
          id: Date.now(),
          ...body,
        },
      });
    } catch (error) {
      return errorResponse.internal();
    }
  }
}