import { Controller, Get, Query } from '@nestjs/common'; import { PricingService } from './pricing.service'; @Controller('pricing') export class PricingController { constructor(private readonly pricing: PricingService) {} @Get('latest') getLatest(@Query('karatPerMille') karatPerMille: string) { return this.pricing.getLatestQuote(Number(karatPerMille) || 750); } }