package com.guo.learningprogresstracker.service;

import com.guo.learningprogresstracker.entity.UserPriorityWeightsEntity;
import com.guo.learningprogresstracker.exception.ErrorParameterException;

/**
 * 优先级权重配置服务
 */
public interface PriorityWeightsService {

    /**
     * 获取当前用户的权重配置，不存在时返回系统默认值
     */
    UserPriorityWeightsEntity getWeights();

    /**
     * 保存权重配置并重算当前用户全部任务的优先级。
     * 五项权重之和必须为 1（容差 0.001）。
     */
    UserPriorityWeightsEntity saveWeights(UserPriorityWeightsEntity weights) throws ErrorParameterException;
}