四端上传

yelaymaths_api/src/modules/courses/courses.controller.ts

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+import { Controller, Get, Param, Query } from '@nestjs/common';
+import { CurrentUser, Public, type AuthPrincipal } from '../../common/auth';
+import { AppError } from '../../common/errors';
+import { CoursesService } from './courses.service';
+
+@Controller('v1')
+export class CoursesController {
+  constructor(private readonly courses: CoursesService) {}
+
+  @Get('courses')
+  list(@CurrentUser() user: AuthPrincipal) {
+    return this.courses.list(user.id);
+  }
+
+  @Get('courses/:code')
+  detail(@CurrentUser() user: AuthPrincipal, @Param('code') code: string) {
+    return this.courses.detail(user.id, code);
+  }
+
+  @Get('courses/:code/lessons')
+  lessons(@CurrentUser() user: AuthPrincipal, @Param('code') code: string) {
+    return this.courses.lessons(user.id, code);
+  }
+
+  @Get('courses/:code/play')
+  play(
+    @CurrentUser() user: AuthPrincipal,
+    @Param('code') code: string,
+    @Query('chapterId') chapterId?: string,
+    @Query('playId') playId?: string,
+  ) {
+    if (!chapterId || !playId) throw AppError.badRequest('参数错误：缺少 chapterId 或 playId');
+    return this.courses.playUrl(user.id, code, chapterId, playId);
+  }
+
+  @Public()
+  @Get('free-lessons')
+  freeLessons(@Query('seriesNo') seriesNo?: string) {
+    if (seriesNo === undefined || seriesNo === '') return this.courses.freeLessons();
+    const n = Number(seriesNo);
+    return this.courses.freeLessons(Number.isFinite(n) ? n : undefined);
+  }
+}
+