Files
gpt-load/internal/store/redis.go
2025-07-05 15:42:20 +08:00

56 lines
1.2 KiB
Go

package store
import (
"context"
"errors"
"time"
"github.com/redis/go-redis/v9"
)
// RedisStore is a Redis-backed key-value store.
type RedisStore struct {
client *redis.Client
}
// NewRedisStore creates a new RedisStore instance.
func NewRedisStore(client *redis.Client) *RedisStore {
return &RedisStore{client: client}
}
// Set stores a key-value pair in Redis.
func (s *RedisStore) Set(key string, value []byte, ttl time.Duration) error {
return s.client.Set(context.Background(), key, value, ttl).Err()
}
// Get retrieves a value from Redis.
func (s *RedisStore) Get(key string) ([]byte, error) {
val, err := s.client.Get(context.Background(), key).Bytes()
if err != nil {
if errors.Is(err, redis.Nil) {
return nil, ErrNotFound
}
return nil, err
}
return val, nil
}
// Delete removes a value from Redis.
func (s *RedisStore) Delete(key string) error {
return s.client.Del(context.Background(), key).Err()
}
// Exists checks if a key exists in Redis.
func (s *RedisStore) Exists(key string) (bool, error) {
val, err := s.client.Exists(context.Background(), key).Result()
if err != nil {
return false, err
}
return val > 0, nil
}
// Close closes the Redis client connection.
func (s *RedisStore) Close() error {
return s.client.Close()
}