用户开课管理

src/main/java/com/peanut/modules/common/service/impl/ClassEntityServiceImpl.java

@@ -642,6 +642,32 @@ public class ClassEntityServiceImpl extends ServiceImpl<ClassEntityDao, ClassEnt
         return classes;
     }
 
+    @Override
+    public R getUserCourseBuy(Map<String, Object> params) {
+        ClassEntity classEntity = this.baseMapper.selectById(params.get("classId").toString());
+        MyUserEntity user = ShiroUtils.getUser();
+        String msg = "";
+        if ("0".equals(user.getVip())||"3".equals(user.getVip())){
+            //不是vip查询每门课是否购买
+            List<ClassCourse> courses = classCourseDao.selectList(new LambdaQueryWrapper<ClassCourse>()
+                    .eq(ClassCourse::getModelId,classEntity.getModelId()));
+            for (ClassCourse classCourse:courses){
+                List<UserCourseBuyEntity> ucb = userCourseBuyDao.selectList(new LambdaQueryWrapper<UserCourseBuyEntity>()
+                        .eq(UserCourseBuyEntity::getUserId,user.getId())
+                        .eq(UserCourseBuyEntity::getCourseId,classCourse.getCourseId()));
+                if (ucb.size() == 0){
+                    CourseEntity courseEntity = courseDao.selectById(classCourse.getCourseId());
+                    if (StringUtils.isEmpty(msg)){
+                        msg+=courseEntity.getTitle()+"";
+                    }else {
+                        msg+=","+courseEntity.getTitle();
+                    }
+                }
+            }
+        }
+        return R.ok(msg);
+    }
+
     @Override
     public R joinClass(Map<String, Object> params) {
         ClassEntity classEntity = this.baseMapper.selectById(params.get("classId").toString());