package cache import ( "context" "errors" "time" "github.com/redis/go-redis/v9" "github.com/rs/zerolog/log" ) type RedisCache struct { name string ctx context.Context rdb *redis.Client } func (r *RedisCache) Set(key string, value []byte, ttl time.Duration) error { log.Trace().Str("key", r.name+"::"+key).Int("len(value)", len(value)).Bytes("value", value).Msg("Set in Redis.") return r.rdb.Set(r.ctx, r.name+"::"+key, value, ttl).Err() } func (r *RedisCache) Get(key string) ([]byte, bool) { val, err := r.rdb.Get(r.ctx, r.name+"::"+key).Bytes() if err != nil { if !errors.Is(err, redis.Nil) { log.Error().Err(err).Str("key", r.name+"::"+key).Msg("Couldn't request key from cache.") } else { log.Trace().Str("key", r.name+"::"+key).Msg("Get from Redis, doesn't exist.") } return nil, false } else { log.Trace().Str("key", r.name+"::"+key).Int("len(value)", len(val)).Msg("Get from Redis.") return val, true } } func (r *RedisCache) Remove(key string) { err := r.rdb.Del(r.ctx, r.name+"::"+key).Err() if err != nil { log.Error().Err(err).Str("key", r.name+"::"+key).Msg("Couldn't delete key from cache.") } } func NewRedisCache(name string, opts *redis.Options) ICache { return &RedisCache{ name, context.Background(), redis.NewClient(opts), } }