webvideo-transcript-summary-web-api/src/modules/summary/SummaryController.ts

import { CreateSummarizerParams } from '@modal-sh/webvideo-transcript-summary-core';
import { SummaryService, SummaryServiceImpl } from './SummaryService';
import * as config from '../../config';
import { RouteHandlerMethod } from 'fastify';

export interface SummaryController {
  summarizeVideoTranscript: RouteHandlerMethod;
}

export class SummaryControllerImpl implements SummaryController {
  constructor(
    private readonly summaryService: SummaryService = new SummaryServiceImpl(
      config.openai.apiKey,
      config.openai.organizationId,
    ),
  ) {
    // noop
  }

  readonly summarizeVideoTranscript: RouteHandlerMethod = async (request, reply) => {
    const params = request.body as CreateSummarizerParams;
    try {
      const summaryResult = await this.summaryService.summarizeVideoTranscript(params);
      reply.send(summaryResult);
    } catch {
      reply
        .code(500)
        .send();
    }
  };
}