2024-04-17 20:22:30 +02:00

114 lines
2.5 KiB
Go

package infra
import (
"context"
"strings"
"voltaserve/config"
"github.com/redis/go-redis/v9"
)
type RedisManager struct {
config config.RedisConfig
client *redis.Client
clusterClient *redis.ClusterClient
}
func NewRedisManager() *RedisManager {
mgr := new(RedisManager)
mgr.config = config.GetConfig().Redis
return mgr
}
func (mgr *RedisManager) Set(key string, value interface{}) error {
if mgr.client == nil && mgr.clusterClient == nil {
if err := mgr.connect(); err != nil {
return err
}
}
if mgr.clusterClient != nil {
if _, err := mgr.clusterClient.Set(context.Background(), key, value, 0).Result(); err != nil {
return err
}
} else {
if _, err := mgr.client.Set(context.Background(), key, value, 0).Result(); err != nil {
return err
}
}
return nil
}
func (mgr *RedisManager) Get(key string) (string, error) {
if mgr.client == nil && mgr.clusterClient == nil {
if err := mgr.connect(); err != nil {
return "", err
}
}
if mgr.clusterClient != nil {
value, err := mgr.clusterClient.Get(context.Background(), key).Result()
if err != nil {
return "", err
}
return value, nil
} else {
value, err := mgr.client.Get(context.Background(), key).Result()
if err != nil {
return "", err
}
return value, nil
}
}
func (mgr *RedisManager) Delete(key string) error {
if mgr.client == nil && mgr.clusterClient == nil {
if err := mgr.connect(); err != nil {
return err
}
}
if mgr.clusterClient != nil {
if _, err := mgr.clusterClient.Del(context.Background(), key).Result(); err != nil {
return err
}
} else {
if _, err := mgr.client.Del(context.Background(), key).Result(); err != nil {
return err
}
}
return nil
}
func (mgr *RedisManager) Close() error {
if mgr.client != nil {
if err := mgr.client.Close(); err != nil {
return err
}
}
return nil
}
func (mgr *RedisManager) connect() error {
if mgr.client != nil || mgr.clusterClient != nil {
return nil
}
addresses := strings.Split(mgr.config.Address, ";")
if len(addresses) > 1 {
mgr.clusterClient = redis.NewClusterClient(&redis.ClusterOptions{
Addrs: addresses,
Password: mgr.config.Password,
})
if err := mgr.clusterClient.Ping(context.Background()).Err(); err != nil {
return err
}
} else {
mgr.client = redis.NewClient(&redis.Options{
Addr: mgr.config.Address,
Password: mgr.config.Password,
DB: mgr.config.DB,
})
if err := mgr.client.Ping(context.Background()).Err(); err != nil {
return err
}
}
return nil
}