新增接口医学标签树

src/main/java/com/peanut/modules/medical/controller/HomeController.java

@@ -32,8 +32,15 @@ public class HomeController {
     //获取医学标签列表
     @RequestMapping("/getMedicalLabels")
     public R getMedicalLabels(@RequestBody ParamTo param){
-        List<CourseMedicine> sociologyLabels = medicalService.getMedicalLabels(param.getId());
+        List<CourseMedicine> medicalLabels = medicalService.getMedicalLabels(param.getId());
-        return R.ok().put("labels",sociologyLabels);
+        return R.ok().put("labels",medicalLabels);
+    }
+
+    //获取医学标签树
+    @RequestMapping("/getCourseMedicalTree")
+    public R getCourseMedicalTree(){
+        List<CourseMedicine> labelsTree = medicalService.getCourseMedicalTree();
+        return R.ok().put("labels",labelsTree);
     }
 
     //获取医学标签下的课程列表

src/main/java/com/peanut/modules/medical/service/CourseMedicalService.java

@@ -8,4 +8,6 @@ import java.util.List;
 public interface CourseMedicalService extends IService<CourseMedicine> {
 
     List<CourseMedicine> getMedicalLabels(Integer id);
+
+    List<CourseMedicine> getCourseMedicalTree();
 }

src/main/java/com/peanut/modules/medical/service/impl/CourseMedicalServiceImpl.java

@@ -1,6 +1,7 @@
 package com.peanut.modules.medical.service.impl;
 
 import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
+import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
 import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
 import com.peanut.modules.common.dao.CourseMedicineDao;
 import com.peanut.modules.common.entity.CourseMedicine;
@@ -8,6 +9,7 @@ import com.peanut.modules.medical.service.CourseMedicalService;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.stereotype.Service;
 import java.util.List;
+import java.util.stream.Collectors;
 
 @Slf4j
 @Service("medicineCourseMedicalService")
@@ -21,4 +23,31 @@ public class CourseMedicalServiceImpl extends ServiceImpl<CourseMedicineDao, Cou
         List<CourseMedicine> list = this.list(wrapper);
         return list;
     }
+
+    @Override
+    public List<CourseMedicine> getCourseMedicalTree() {
+        List<CourseMedicine> medicines = this.list(new QueryWrapper<>());
+        List<CourseMedicine> medicinesTree = medicines.stream().filter((courseMarketEntity) ->
+                courseMarketEntity.getPid() == 0
+        ).map((medicine)->{
+            medicine.setChildren(getMedicineChildrens(medicine,medicines));
+            return medicine;
+        }).sorted((sort1,sort2)->{
+            return (sort1.getSort() == null? 0 : sort1.getSort()) - (sort2.getSort()==null?0:sort2.getSort());
+        }).collect(Collectors.toList());
+        return medicinesTree;
+    }
+
+    private List<CourseMedicine> getMedicineChildrens(CourseMedicine root, List<CourseMedicine> all){
+        List<CourseMedicine> children = all.stream().filter(courseMedicine -> {
+            return root.getId().equals(courseMedicine.getPid());
+        }).map(courseMedicine -> {
+            courseMedicine.setChildren(getMedicineChildrens(courseMedicine, all));
+            return courseMedicine;
+        }).sorted((sort1,sort2)->{
+            return (sort1.getSort()==null?0:sort1.getSort()) - (sort2.getSort()==null?0:sort2.getSort());
+        }).collect(Collectors.toList());
+        return children;
+    }
+
 }