feat: 🎸 课程列表增加当前用户是否已报名字段

jeecg-boot/jeecg-boot-module/jeecg-module-aiol/src/main/java/org/jeecg/modules/aiol/controller/AiolCourseController.java

@@ -195,8 +195,30 @@ public class AiolCourseController extends JeecgController<AiolCourse, IAiolCours
             @RequestParam(value = "categoryId", required = false) String categoryId,
             @RequestParam(value = "difficulty", required = false) String difficulty,
             @RequestParam(value = "subject", required = false) String topic,
-            @RequestParam(value = "sort", required = false) String sort) {
+            @RequestParam(value = "sort", required = false) String sort,
+            HttpServletRequest request) {
         List<CourseWithTeacherInfo> list = aiolCourseService.getCourseList(categoryId, difficulty, topic);
+
+        // 尝试获取token，判断用户是否登录
+        String token = request.getHeader(CommonConstant.X_ACCESS_TOKEN);
+        if (token != null && !token.trim().isEmpty()) {
+            try {
+                String username = JwtUtil.getUsername(token);
+                LoginUser sysUser = sysBaseApi.getUserByName(username);
+
+                if (sysUser != null) {
+                    // 用户已登录，查询已报名课程并标记
+                    for (CourseWithTeacherInfo course : list) {
+                        boolean isEnrolled = aiolCourseService.isEnrolled(course.getId(), sysUser.getId());
+                        course.setIsEnrolled(isEnrolled);
+                    }
+                }
+            } catch (Exception e) {
+                // token无效或解析失败，忽略错误，继续执行原有逻辑
+                log.debug("Token解析失败，按未登录用户处理: {}", e.getMessage());
+            }
+        }
+
         if (sort != null) {
             switch (sort) {
                 case "hottest":

jeecg-boot/jeecg-boot-module/jeecg-module-aiol/src/main/java/org/jeecg/modules/aiol/dto/CourseWithTeacherInfo.java

@@ -13,4 +13,9 @@ import java.util.List;
 public class CourseWithTeacherInfo extends AiolCourse {
     @Schema(description = "授课讲师列表")
     private List<TeacherInfo> teacherList;
+    /**
+     * 是否已报名该课程
+     */
+    @Schema(description = "是否已报名该课程")
+    private Boolean isEnrolled = false;
 }