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newfiber-termite / newfiber-system / newfiber-system-core / src / main / java / com / newfiber / system / service / impl / SysConfigServiceImpl.java
package com.newfiber.system.service.impl;

import com.newfiber.common.core.constant.UserConstants;
import com.newfiber.common.core.exception.ServiceException;
import com.newfiber.common.core.text.Convert;
import com.newfiber.common.core.utils.StringUtils;
import com.newfiber.common.redis.service.RedisService;
import com.newfiber.system.api.enums.ESystemRedisKey;
import com.newfiber.system.domain.SysConfig;
import com.newfiber.system.mapper.SysConfigMapper;
import com.newfiber.system.service.ISysConfigService;
import java.util.Collection;
import java.util.List;
import javax.annotation.PostConstruct;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

/**
 * 参数配置 服务层实现
 * 
 * @author newfiber
 */
@Service
public class SysConfigServiceImpl implements ISysConfigService{
    @Autowired
    private SysConfigMapper configMapper;

    @Autowired
    private RedisService redisService;

    /**
     * 项目启动时,初始化参数到缓存
     */
    @PostConstruct
    public void init(){
        loadingConfigCache();
    }

    /**
     * 查询参数配置信息
     * 
     * @param configId 参数配置ID
     * @return 参数配置信息
     */
    @Override
    public SysConfig selectConfigById(Long configId){
        SysConfig config = new SysConfig();
        config.setConfigId(configId);
        return configMapper.selectConfig(config);
    }

    /**
     * 根据键名查询参数配置信息
     * 
     * @param configKey 参数key
     * @return 参数键值
     */
    @Override
    public String selectConfigByKey(String configKey){
        String configValue = Convert.toStr(redisService.getCacheObject(ESystemRedisKey.Config, configKey));
        if (StringUtils.isNotEmpty(configValue)){
            return configValue;
        }
        SysConfig config = new SysConfig();
        config.setConfigKey(configKey);
        SysConfig retConfig = configMapper.selectConfig(config);
        if (StringUtils.isNotNull(retConfig)){
            redisService.setCacheObject(ESystemRedisKey.Config, configKey, retConfig.getConfigValue());
            return retConfig.getConfigValue();
        }
        return StringUtils.EMPTY;
    }

    /**
     * 查询参数配置列表
     * 
     * @param config 参数配置信息
     * @return 参数配置集合
     */
    @Override
    public List<SysConfig> selectConfigList(SysConfig config){
        return configMapper.selectConfigList(config);
    }

    /**
     * 新增参数配置
     * 
     * @param config 参数配置信息
     * @return 结果
     */
    @Override
    public int insertConfig(SysConfig config){
        int row = configMapper.insertConfig(config);
        if (row > 0){
            redisService.setCacheObject(ESystemRedisKey.Config, config.getConfigKey(), config.getConfigValue());
        }
        return row;
    }

    /**
     * 修改参数配置
     * 
     * @param config 参数配置信息
     * @return 结果
     */
    @Override
    public int updateConfig(SysConfig config){
        SysConfig temp = configMapper.selectConfigById(config.getConfigId());
        if (!StringUtils.equals(temp.getConfigKey(), config.getConfigKey())){
            redisService.deleteObject(ESystemRedisKey.Config, temp.getConfigKey());
        }

        int row = configMapper.updateConfig(config);
        if (row > 0){
            redisService.setCacheObject(ESystemRedisKey.Config, config.getConfigKey(), config.getConfigValue());
        }
        return row;
    }

    /**
     * 批量删除参数信息
     * 
     * @param configIds 需要删除的参数ID
     */
    @Override
    public void deleteConfigByIds(Long[] configIds){
        for (Long configId : configIds){
            SysConfig config = selectConfigById(configId);
            if (StringUtils.equals(UserConstants.YES, config.getConfigType())){
                throw new ServiceException(String.format("内置参数【%1$s】不能删除 ", config.getConfigKey()));
            }
            configMapper.deleteConfigById(configId);
            redisService.deleteObject(ESystemRedisKey.Config, config.getConfigKey());
        }
    }

    /**
     * 加载参数缓存数据
     */
    @Override
    public void loadingConfigCache(){
        List<SysConfig> configsList = configMapper.selectConfigList(new SysConfig());
        for (SysConfig config : configsList){
            redisService.setCacheObject(ESystemRedisKey.Config, config.getConfigKey(), config.getConfigValue());
        }
    }

    /**
     * 清空参数缓存数据
     */
    @Override
    public void clearConfigCache(){
        Collection<String> keys = redisService.keys(ESystemRedisKey.Config);
        redisService.deleteObject(keys);
    }

    /**
     * 重置参数缓存数据
     */
    @Override
    public void resetConfigCache(){
        clearConfigCache();
        loadingConfigCache();
    }

    /**
     * 校验参数键名是否唯一
     * 
     * @param config 参数配置信息
     * @return 结果
     */
    @Override
    public String checkConfigKeyUnique(SysConfig config){
        Long configId = StringUtils.isNull(config.getConfigId()) ? -1L : config.getConfigId();
        SysConfig info = configMapper.checkConfigKeyUnique(config.getConfigKey());
        if (StringUtils.isNotNull(info) && info.getConfigId().longValue() != configId.longValue()){
            return UserConstants.NOT_UNIQUE;
        }
        return UserConstants.UNIQUE;
    }

}