feat(hrm): 添加流程实例任务查询功能

- 在HrmFlowInstanceController中新增getTasksByInstanceId接口
- 在HrmFlowInstanceService及其实现类中添加getTasksByInstanceId方法
- 注入UserService用于获取用户昵称信息
- 查询流程任务时关联查询处理人昵称并返回给前端
- 添加assigneeNickName字段到HrmFlowTaskVo用于显示用户昵称

fad-hrm/src/main/java/com/ruoyi/hrm/controller/HrmFlowInstanceController.java

@@ -9,6 +9,7 @@ import com.ruoyi.common.enums.BusinessType;
 import com.ruoyi.hrm.domain.bo.HrmFlowInstanceBo;
 import com.ruoyi.hrm.domain.bo.HrmFlowStartBo;
 import com.ruoyi.hrm.domain.vo.HrmFlowInstanceVo;
+import com.ruoyi.hrm.domain.vo.HrmFlowTaskVo;
 import com.ruoyi.hrm.service.IHrmFlowInstanceService;
 import lombok.RequiredArgsConstructor;
 import org.springframework.validation.annotation.Validated;
@@ -85,4 +86,9 @@ public class HrmFlowInstanceController extends BaseController {
     public R<Void> deleteRejectedInstance(@PathVariable @NotNull Long instId) {
         return toAjax(service.deleteRejectedInstance(instId));
     }
+
+    @GetMapping("/tasks/{instId}")
+    public R<List<HrmFlowTaskVo>> getTasksByInstanceId(@PathVariable @NotNull Long instId) {
+        return R.ok(service.getTasksByInstanceId(instId));
+    }
 }

fad-hrm/src/main/java/com/ruoyi/hrm/domain/vo/HrmFlowTaskVo.java

@@ -43,4 +43,5 @@ public class HrmFlowTaskVo implements Serializable {
     private Date updateTime;
 
     private String assigneeNickName;
+
 }

fad-hrm/src/main/java/com/ruoyi/hrm/service/IHrmFlowInstanceService.java

@@ -4,6 +4,7 @@ import com.ruoyi.common.core.domain.PageQuery;
 import com.ruoyi.common.core.page.TableDataInfo;
 import com.ruoyi.hrm.domain.bo.HrmFlowInstanceBo;
 import com.ruoyi.hrm.domain.vo.HrmFlowInstanceVo;
+import com.ruoyi.hrm.domain.vo.HrmFlowTaskVo;
 
 import javax.validation.constraints.NotNull;
 import java.util.Collection;
@@ -41,4 +42,6 @@ public interface IHrmFlowInstanceService {
     Boolean revokeInstance(Long instId);
 
     Boolean deleteRejectedInstance(@NotNull Long instId);
+
+    List<HrmFlowTaskVo> getTasksByInstanceId(@NotNull Long instId);
 }

fad-hrm/src/main/java/com/ruoyi/hrm/service/impl/HrmFlowInstanceServiceImpl.java

@@ -6,6 +6,7 @@ import com.baomidou.mybatisplus.core.toolkit.Wrappers;
 import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
 import com.ruoyi.common.core.domain.PageQuery;
 import com.ruoyi.common.core.page.TableDataInfo;
+import com.ruoyi.common.core.service.UserService;
 import com.ruoyi.hrm.domain.HrmFlowInstance;
 import com.ruoyi.hrm.domain.HrmFlowNode;
 import com.ruoyi.hrm.domain.HrmFlowTask;
@@ -13,6 +14,7 @@ import com.ruoyi.hrm.domain.HrmFormData;
 import com.ruoyi.hrm.domain.bo.HrmFlowStartBo;
 import com.ruoyi.hrm.domain.bo.HrmFlowInstanceBo;
 import com.ruoyi.hrm.domain.vo.HrmFlowInstanceVo;
+import com.ruoyi.hrm.domain.vo.HrmFlowTaskVo;
 import com.ruoyi.hrm.mapper.HrmFlowInstanceMapper;
 import com.ruoyi.hrm.mapper.HrmFlowNodeMapper;
 import com.ruoyi.hrm.mapper.HrmFlowTaskMapper;
@@ -23,7 +25,9 @@ import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 
 import java.util.Collection;
+import java.util.Collections;
 import java.util.List;
+import java.util.stream.Collectors;
 
 @RequiredArgsConstructor
 @Service
@@ -34,6 +38,7 @@ public class HrmFlowInstanceServiceImpl implements IHrmFlowInstanceService {
     private final HrmFlowTaskMapper taskMapper;
     private final HrmFormDataMapper formDataMapper;
     private final FlowAssigneeHelper assigneeHelper;
+    private final UserService userService;
 
     @Override
     public HrmFlowInstanceVo queryById(Long instId) {
@@ -229,6 +234,39 @@ public class HrmFlowInstanceServiceImpl implements IHrmFlowInstanceService {
         return baseMapper.deleteById(instId) > 0;
     }
 
+    @Override
+    public List<HrmFlowTaskVo> getTasksByInstanceId(Long instId) {
+        if (instId == null) {
+            return Collections.emptyList();
+        }
+
+        // 根据实例ID查询所有任务
+        List<HrmFlowTask> tasks = taskMapper.selectList(Wrappers.<HrmFlowTask>lambdaQuery()
+                .eq(HrmFlowTask::getInstId, instId)
+                .eq(HrmFlowTask::getDelFlag, 0)); // 未删除的任务
+
+        if (tasks.isEmpty()) {
+            return Collections.emptyList();
+        }
+
+        // 转换为VO并联查处理人昵称
+        return tasks.stream().map(task -> {
+            HrmFlowTaskVo vo = BeanUtil.toBean(task, HrmFlowTaskVo.class);
+            // 获取用户昵称
+            String nickname = getUserNicknameById(task.getAssigneeUserId());
+            vo.setAssigneeNickName(nickname);
+            return vo;
+        }).collect(Collectors.toList());
+    }
+
+    // 假设的方法：根据用户ID获取昵称
+    private String getUserNicknameById(Long userId) {
+        if (userId == null) {
+            return "未知用户";
+        }
+        return userService.selectNickNameById(userId);
+    }
+
     private LambdaQueryWrapper<HrmFlowInstance> buildQueryWrapper(HrmFlowInstanceBo bo) {
         LambdaQueryWrapper<HrmFlowInstance> lqw = Wrappers.lambdaQuery();
         lqw.eq(bo.getInstId() != null, HrmFlowInstance::getInstId, bo.getInstId());