# All files / modules/comments comments.controller.ts

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     import Router from '@koa/router';
    import { commentsService } from './comments.service';

    const router = new Router({ prefix: '/api/comments' });

    // 测试用户ID
    const TEST_USER_ID = 1;

    /**
     * 获取章节评论
     * GET /api/comments/:chapterId
     */
    router.get('/:chapterId', async (ctx) => {
      try {
        const chapterId = parseInt(ctx.params.chapterId);
        const comments = await commentsService.getCommentsByChapterId(chapterId);

        ctx.body = {
          code: 0,
          message: 'success',
          data: comments,
        };
      } catch (error: any) {
        ctx.body = {
          code: 400,
          message: error.message || '获取评论失败',
        };
      }
    });

    /**
     * 添加评论
     * POST /api/comments
     */
    router.post('/', async (ctx) => {
      try {
        const { chapterId, content, rating } = ctx.request.body as {
          chapterId: number;
          content: string;
          rating: number;
        };

        const comment = await commentsService.addComment(TEST_USER_ID, chapterId, content, rating);

        ctx.body = {
          code: 0,
          message: '评论成功',
          data: comment,
        };
      } catch (error: any) {
        ctx.body = {
          code: 400,
          message: error.message || '评论失败',
        };
      }
    });

    export default router;