cache

package

v1.2.0 Latest Latest Go to latest Published: Aug 9, 2025 License: MIT Imports: 8 Imported by: 0

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type MemoryCache struct {
	// contains filtered or unexported fields
}

MemoryCache implements ExchangeRateCache using in-memory storage

func NewMemoryCache() *MemoryCache

NewMemoryCache creates a new in-memory cache

func (c *MemoryCache) Delete(key string) error

Delete removes a rate from cache

func (c *MemoryCache) Get(key string) (*domain.ExchangeRate, error)

Get retrieves a rate from cache

func (c *MemoryCache) GetLastUpdate(key string) (time.Time, error)

GetLastUpdate returns the last update timestamp for a key

func (c *MemoryCache) Set(
	key string,
	rate *domain.ExchangeRate,
	ttl time.Duration,
) error

Set stores a rate in cache with TTL

func (c *MemoryCache) SetLastUpdate(key string, t time.Time) error

SetLastUpdate sets the last update timestamp for a key

type RedisExchangeRateCache struct {
	// contains filtered or unexported fields
}

RedisExchangeRateCache implements ExchangeRateCache using Redis.

func NewRedisExchangeRateCache(
	addr, password string,
	db int,
	prefix string,
) *RedisExchangeRateCache

NewRedisExchangeRateCache creates a new RedisExchangeRateCache.

func NewRedisExchangeRateCacheWithOptions(
	opt *redis.Options,
	prefix string,
	logger *slog.Logger,
) *RedisExchangeRateCache

NewRedisExchangeRateCacheWithOptions creates a new RedisExchangeRateCache from redis.Options.

func (r *RedisExchangeRateCache) Delete(key string) error

func (r *RedisExchangeRateCache) Get(key string) (*domain.ExchangeRate, error)

func (r *RedisExchangeRateCache) GetLastUpdate(key string) (time.Time, error)

func (r *RedisExchangeRateCache) Set(
	key string,
	rate *domain.ExchangeRate,
	ttl time.Duration,
) error

func (r *RedisExchangeRateCache) SetLastUpdate(key string, t time.Time) error