变更记录

@Data
@TableName("t_change_record")
public class ChangeRecord {
    @TableId(type = IdType.AUTO)
    private Long id;
    
    // 工作空间 ID
    private Long workspaceId;
    
    // 变更类型(工作项/流程/配置)
    private ChangeRecordType type;
    
    // 变更对象 ID
    private String objectId;
    
    // 变更操作(创建/更新/删除)
    private ChangeRecordOperation operation;
    
    // 变更字段
    private String field;
    
    // 变更前的值
    private String oldValue;
    
    // 变更后的值
    private String newValue;
    
    // 操作人 ID
    private String operatorId;
    
    // 操作时间
    private LocalDateTime operateTime;
    
    // 变更原因/备注
    private String remark;
}

@Service
public class ChangeRecordService {
    /**
     * 监听工作项变更事件
     */
    @EventListener
    public void onWorkItemChange(WorkItemChangeEvent event) {
        WorkItem oldItem = event.getOldItem();
        WorkItem newItem = event.getNewItem();
        
        // 对比字段变更
        Map<String, Object> changes = compareFields(oldItem, newItem);
        
        // 为每个变更字段创建记录
        for (Map.Entry<String, Object> entry : changes.entrySet()) {
            ChangeRecord record = new ChangeRecord();
            record.setType(ChangeRecordType.WORK_ITEM);
            record.setObjectId(newItem.getId().toString());
            record.setField(entry.getKey());
            record.setOldValue(getFieldValue(oldItem, entry.getKey()));
            record.setNewValue(getFieldValue(newItem, entry.getKey()));
            record.setOperatorId(getCurrentUserId());
            save(record);
        }
    }
}