From 26249d6bda4001cbba8c276a089eb6514f4cf29a Mon Sep 17 00:00:00 2001
From: 无关风月 <443237572@qq.com>
Date: 星期二, 10 九月 2024 13:41:45 +0800
Subject: [PATCH] 课程代码

---
 xinquan-modules/xinquan-user/src/main/java/com/xinquan/user/controller/client/ClientAppUserCourseController.java |   33 +++++++++++++++++++++++++++++++--
 1 files changed, 31 insertions(+), 2 deletions(-)

diff --git a/xinquan-modules/xinquan-user/src/main/java/com/xinquan/user/controller/client/ClientAppUserCourseController.java b/xinquan-modules/xinquan-user/src/main/java/com/xinquan/user/controller/client/ClientAppUserCourseController.java
index 18a5730..69d4a53 100644
--- a/xinquan-modules/xinquan-user/src/main/java/com/xinquan/user/controller/client/ClientAppUserCourseController.java
+++ b/xinquan-modules/xinquan-user/src/main/java/com/xinquan/user/controller/client/ClientAppUserCourseController.java
@@ -1,9 +1,18 @@
 package com.xinquan.user.controller.client;
 
 
-import org.springframework.web.bind.annotation.RequestMapping;
+import com.xinquan.common.core.domain.R;
+import com.xinquan.user.api.domain.AppUser;
+import com.xinquan.user.domain.AppUserCourse;
+import com.xinquan.user.domain.vo.AppUserVO;
+import com.xinquan.user.service.AppUserCourseService;
+import com.xinquan.user.service.AppUserService;
+import io.swagger.annotations.ApiOperation;
+import org.springframework.web.bind.annotation.*;
 
-import org.springframework.web.bind.annotation.RestController;
+import javax.annotation.Resource;
+import java.util.List;
+import java.util.stream.Collectors;
 
 /**
  * <p>
@@ -16,6 +25,26 @@
 @RestController
 @RequestMapping("/client/app-user-course")
 public class ClientAppUserCourseController {
+    @Resource
+    private AppUserService appUserService;
+    @Resource
+    private AppUserCourseService appUserCourseService;
+
+    /**
+     * 远程调用 根据课程id 查询拥有课程的用户
+     *
+     * @return 用户信息
+     * @see com.xinquan.user.domain.vo.AppUserVO
+     */
+    @GetMapping("/getUserByCourseId/{courseId}")
+    public R<List<String>> getUserByCourseId(@PathVariable("courseId") Long courseId) {
+        List<Long> collect = appUserCourseService.lambdaQuery().eq(AppUserCourse::getCourseId, courseId).list()
+                .stream().map(AppUserCourse::getAppUserId).collect(Collectors.toList());
+        // 批量查询用户头像
+        List<String> collect1 = appUserService.lambdaQuery().in(!collect.isEmpty(), AppUser::getId, collect).list()
+                .stream().map(AppUser::getAvatar).collect(Collectors.toList());
+        return R.ok(collect1);
+    }
 
 }
 

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