egg_im/internal/business/comm/db/db_sys_cfg.go

package db

import (
	"egg-im/internal/business/comm/db/model"
	"egg-im/internal/business/comm/md"
	"egg-im/internal/business/comm/utils/logx"
	"egg-im/pkg/db"
	"egg-im/pkg/gerrors"
	"fmt"
)

type dbSysCfg struct{}

var DbSysCfg = new(dbSysCfg)

// SysCfgGetAll 获取系统配置
func (*dbSysCfg) SysCfgGetAll() (*[]model.SysCfg, error) {
	var cfgList []model.SysCfg
	if err := db.DB.Where("1=1").Find(&cfgList).Error; err != nil {
		return nil, gerrors.WrapError(err)
	}
	return &cfgList, nil
}

// SysCfgGetOne 获取一条记录
func (*dbSysCfg) SysCfgGetOne(key string) (*model.SysCfg, error) {
	var cfgList model.SysCfg
	if err := db.DB.Where("`key` = ?", key).First(&cfgList).Error; err != nil {
		return nil, gerrors.WrapError(err)
	}
	return &cfgList, nil
}

// SysCfgInsert 插入一条配置信息
func (*dbSysCfg) SysCfgInsert(key, val, memo string) bool {
	cfg := model.SysCfg{Key: key, Val: val, Memo: memo}
	err := db.DB.Create(&cfg).Error
	if err != nil {
		logx.Error(err)
		return false
	}
	return true
}

// SysCfgUpdate 修改某条配置信息
func (*dbSysCfg) SysCfgUpdate(key, val, memo string) bool {
	cfg := model.SysCfg{Key: key, Val: val, Memo: memo}
	err := db.DB.Where("`key` = ?", key).Update(&cfg).Error
	if err != nil {
		logx.Error(err)
		return false
	}
	return true
}

// SysCfgGetWithDb 单条记录获取
func (*dbSysCfg) SysCfgGetWithDb(HKey string) string {
	cacheKey := fmt.Sprintf(md.AppCfgCacheKey, HKey[0:1])
	get, err := db.RedisUtil.HGetString(cacheKey, HKey)
	if err != nil || get == "" {
		cfg, err := DbSysCfg.SysCfgGetOne(HKey)
		if err != nil || cfg == nil {
			_ = logx.Error(err)
			return ""
		}

		// key是否存在
		cacheKeyExist := false
		if db.RedisUtil.Exists(cacheKey) {
			cacheKeyExist = true
		}

		// 设置缓存
		_, err = db.RedisUtil.HSet(cacheKey, HKey, cfg.Val)
		if err != nil {
			_ = logx.Error(err)
			return ""
		}
		if !cacheKeyExist { // 如果是首次设置 设置过期时间
			_, err := db.RedisUtil.Expire(cacheKey, md.CfgCacheTime)
			if err != nil {
				_ = logx.Error(err)
				return ""
			}
		}
		return cfg.Val
	}
	return get
}

// SysCfgFindWithDb 多条记录获取
func (*dbSysCfg) SysCfgFindWithDb(keys ...string) map[string]string {
	res := map[string]string{}
	cacheKey := fmt.Sprintf("egg_im_cfg_cache")
	err := db.RedisUtil.GetJson(cacheKey, &res)
	if err != nil || len(res) == 0 {
		cfgList, _ := DbSysCfg.SysCfgGetAll()
		if cfgList == nil {
			return nil
		}
		for _, v := range *cfgList {
			res[v.Key] = v.Val
		}
		db.RedisUtil.SetJson(cacheKey, res, md.CfgCacheTime)
	}
	if len(keys) == 0 {
		return res
	}
	tmp := map[string]string{}
	for _, v := range keys {
		if val, ok := res[v]; ok {
			tmp[v] = val
		} else {
			tmp[v] = ""
		}
	}
	return tmp
}