架构性调整【懒得区分了，哈哈哈哈】，主要是跑通了第一个功能测试

src/main/java/com/guo/learningprogresstracker/service/impl/TasksServiceImpl.java

@@ -1,9 +1,17 @@
 package com.guo.learningprogresstracker.service.impl;
 
 import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
-import com.guo.learningprogresstracker.entity.TasksEntity;
+import com.guo.learningprogresstracker.dto.PriorityDto;
+import com.guo.learningprogresstracker.dto.request.TaskRequest;
+import com.guo.learningprogresstracker.dto.response.TaskInfoResponse;
+import com.guo.learningprogresstracker.entity.TaskEntity;
+import com.guo.learningprogresstracker.mapStruct.RequestConvert;
+import com.guo.learningprogresstracker.mapStruct.TaskConvert;
 import com.guo.learningprogresstracker.service.TasksService;
 import com.guo.learningprogresstracker.mapper.TasksMapper;
+import com.guo.learningprogresstracker.utils.CalculatedPriorityTool;
+import com.guo.learningprogresstracker.utils.GenerateNumTool;
+import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Service;
 
 /**
@@ -12,9 +20,27 @@ import org.springframework.stereotype.Service;
 * @createDate 2024-06-09 15:28:48
 */
 @Service
-public class TasksServiceImpl extends ServiceImpl<TasksMapper, TasksEntity>
+@RequiredArgsConstructor
+public class TasksServiceImpl extends ServiceImpl<TasksMapper, TaskEntity>
     implements TasksService{
 
+
+    @Override
+    public TaskInfoResponse showTask(String taskId) {
+
+        TaskInfoResponse result = new TaskInfoResponse();
+        return result;
+    }
+
+    @Override
+    public String addTask(TaskRequest taskRequest) {
+        TaskEntity task= TaskConvert.MAPPER.taskRequestToTaskEntity(taskRequest);
+        task.setTaskNum(GenerateNumTool.generateNum("TASK"));
+        PriorityDto priorityDto = RequestConvert.MAPPER.taskRequestToPriorityDto(taskRequest);
+        task.setCalculatedPriority(CalculatedPriorityTool.calculatedPriority(priorityDto));
+        this.save(task);
+        return task.getTaskNum();
+    }
 }