gim/internal/business/domain/user/repo/master_cache.go

package repo

import (
	"gim/internal/business/domain/user/model"
	"gim/pkg/db"
	"gim/pkg/gerrors"
	"strconv"
	"time"

	"github.com/go-redis/redis"
)

const (
	MasterKey    = "master:"
	MasterExpire = 30 * time.Minute
)

type masterCache struct{}

var MasterCache = new(masterCache)

// Get 获取用户缓存
func (c *masterCache) Get(masterId int64) (*model.Master, error) {
	var master model.Master
	err := db.RedisUtil.Get(MasterKey+strconv.FormatInt(masterId, 10), &master)
	if err != nil && err != redis.Nil {
		return nil, gerrors.WrapError(err)
	}
	if err == redis.Nil {
		return nil, nil
	}
	return &master, nil
}

// Set 设置用户缓存
func (c *masterCache) Set(master model.Master) error {
	err := db.RedisUtil.Set(MasterKey+strconv.FormatInt(master.MasterId, 10), master, MasterExpire)
	if err != nil {
		return gerrors.WrapError(err)
	}
	return nil
}

// Del 删除用户缓存
func (c *masterCache) Del(masterId int64) error {
	_, err := db.RedisCli.Del(MasterKey + strconv.FormatInt(masterId, 10)).Result()
	if err != nil {
		return gerrors.WrapError(err)
	}
	return nil
}