railway-prod2/railway-system/src/main/java/com/railway/system/service/impl/SysConfigServiceImpl.java

package com.railway.system.service.impl;

import com.railway.common.annotation.DataSource;
import com.railway.common.core.redis.RedisCache;
import com.railway.common.enums.DataSourceType;
import java.util.Collection;
import java.util.List;
import javax.annotation.PostConstruct;
import org.springframework.stereotype.Service;
import com.railway.common.constant.Constants;
import com.railway.common.constant.UserConstants;
import com.railway.common.core.text.Convert;
import com.railway.common.exception.ServiceException;
import com.railway.common.utils.StringUtils;
import com.railway.system.domain.SysConfig;
import com.railway.system.mapper.SysConfigMapper;
import com.railway.system.service.ISysConfigService;

/**
 * 参数配置 服务层实现
 *
 * @author railway
 */
@Service
public class SysConfigServiceImpl implements ISysConfigService {

  private final SysConfigMapper configMapper;
  private final RedisCache redisCache;

  public SysConfigServiceImpl(SysConfigMapper configMapper,
      RedisCache redisCache) {
    this.configMapper = configMapper;
    this.redisCache = redisCache;
  }

  /**
   * 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
  @DataSource(DataSourceType.MASTER)
  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(redisCache.getCacheObject(getCacheKey(configKey)));
    if (StringUtils.isNotEmpty(configValue)) {
      return configValue;
    }
    SysConfig config = new SysConfig();
    config.setConfigKey(configKey);
    SysConfig retConfig = configMapper.selectConfig(config);
    if (StringUtils.isNotNull(retConfig)) {
      redisCache.setCacheObject(getCacheKey(configKey), retConfig.getConfigValue());
      return retConfig.getConfigValue();
    }
    return StringUtils.EMPTY;
  }

  /**
   * 注册开关
   *
   * @return true开启，false关闭
   */
  @Override
  public boolean selectRegisterUser() {
    return getBoolValue("sys.account.registerUser");
  }

  /**
   * 获取验证码开关
   *
   * @return true开启，false关闭
   */
  @Override
  public boolean selectCaptchaOnOff() {
    return getBoolValue("sys.account.captchaOnOff");
  }

  /**
   * 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) {
      redisCache.setCacheObject(getCacheKey(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) {
    int row = configMapper.updateConfig(config);
    if (row > 0) {
      redisCache.setCacheObject(getCacheKey(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);
      redisCache.deleteObject(getCacheKey(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) {
      redisCache.setCacheObject(getCacheKey(config.getConfigKey()), config.getConfigValue());
    }
  }

  /**
   * 清空参数缓存数据
   */
  @Override
  public void clearConfigCache() {
    Collection<String> keys = redisCache.keys(Constants.SYS_CONFIG_KEY + "*");
    redisCache.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() != configId) {
      return UserConstants.NOT_UNIQUE;
    }
    return UserConstants.UNIQUE;
  }

  /**
   * 设置cache key
   *
   * @param configKey 参数键
   * @return 缓存键key
   */
  private String getCacheKey(String configKey) {
    return Constants.SYS_CONFIG_KEY + configKey;
  }

  /**
   * 获取Bool类型的系统配置
   * @param configKey 参数键
   * @return true开启，false关闭
   */
  private boolean getBoolValue(String configKey){
    String captchaOnOff = selectConfigByKey(configKey);
    if (StringUtils.isEmpty(captchaOnOff)) {
      return true;
    }
    return Convert.toBool(captchaOnOff);
  }
}