/
redis.go
117 lines (94 loc) · 2.01 KB
/
redis.go
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package gredis
import (
"encoding/json"
"time"
"github.com/gomodule/redigo/redis"
"github.com/ujjwalmishra/fodie/pkg/setting"
)
var RedisConn *redis.Pool
// Setup Initialize the Redis instance
func Setup() error {
RedisConn = &redis.Pool{
MaxIdle: setting.RedisSetting.MaxIdle,
MaxActive: setting.RedisSetting.MaxActive,
IdleTimeout: setting.RedisSetting.IdleTimeout,
Dial: func() (redis.Conn, error) {
c, err := redis.Dial("tcp", setting.RedisSetting.Host)
if err != nil {
return nil, err
}
if setting.RedisSetting.Password != "" {
if _, err := c.Do("AUTH", setting.RedisSetting.Password); err != nil {
c.Close()
return nil, err
}
}
return c, err
},
TestOnBorrow: func(c redis.Conn, t time.Time) error {
_, err := c.Do("PING")
return err
},
}
return nil
}
// Set a key/value
func Set(key string, data interface{}, time int) error {
conn := RedisConn.Get()
defer conn.Close()
value, err := json.Marshal(data)
if err != nil {
return err
}
_, err = conn.Do("SET", key, value)
if err != nil {
return err
}
_, err = conn.Do("EXPIRE", key, time)
if err != nil {
return err
}
return nil
}
// Exists check a key
func Exists(key string) bool {
conn := RedisConn.Get()
defer conn.Close()
exists, err := redis.Bool(conn.Do("EXISTS", key))
if err != nil {
return false
}
return exists
}
// Get get a key
func Get(key string) ([]byte, error) {
conn := RedisConn.Get()
defer conn.Close()
reply, err := redis.Bytes(conn.Do("GET", key))
if err != nil {
return nil, err
}
return reply, nil
}
// Delete delete a kye
func Delete(key string) (bool, error) {
conn := RedisConn.Get()
defer conn.Close()
return redis.Bool(conn.Do("DEL", key))
}
// LikeDeletes batch delete
func LikeDeletes(key string) error {
conn := RedisConn.Get()
defer conn.Close()
keys, err := redis.Strings(conn.Do("KEYS", "*"+key+"*"))
if err != nil {
return err
}
for _, key := range keys {
_, err = Delete(key)
if err != nil {
return err
}
}
return nil
}