63 lines
979 B
Go
63 lines
979 B
Go
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package cache
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import (
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"encoding/json"
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"github.com/hoisie/redis"
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"time"
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)
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type RedisSettings struct {
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Address string
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DB int
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Password string
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}
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type RedisCache struct {
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CacheInterface
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c *redis.Client
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}
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func NewRedisCache(c RedisSettings) (CacheInterface, error) {
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rc := &redis.Client{Addr: c.Address, Db: c.DB, Password: c.Password}
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return &RedisCache{
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c: rc,
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}, nil
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}
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func (rc *RedisCache) Has(key string) bool {
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b, _ := rc.c.Exists(key)
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return b
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}
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func (rc *RedisCache) Get(key string) ([]byte, error) {
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return rc.c.Get(key)
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}
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func (rc *RedisCache) Set(key string, val interface{}, ttl time.Duration) error {
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var v []byte
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if b, ok := val.([]byte); ok {
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v = b
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} else if s, ok := val.(string); ok {
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b = []byte(s)
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} else {
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b, err := json.Marshal(val)
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if err != nil {
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return err
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}
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v = b
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}
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return rc.c.Setex(key, int64(ttl.Seconds()), v)
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}
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func (rc *RedisCache) Del(key string) error {
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_, err := rc.c.Del(key)
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return err
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}
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