40 lines
888 B
Go
40 lines
888 B
Go
package ttl
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import (
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"time"
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cache "forge.cadoles.com/cadoles/bouncer/internal/cache"
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)
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type Cache[K comparable, V any] struct {
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timestamps cache.Cache[K, time.Time]
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values cache.Cache[K, V]
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ttl time.Duration
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}
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// Get implements cache.Cache.
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func (c *Cache[K, V]) Get(key K) (V, bool) {
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timestamp, exists := c.timestamps.Get(key)
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if !exists || timestamp.Add(c.ttl).Before(time.Now()) {
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return *new(V), false
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}
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return c.values.Get(key)
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}
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// Set implements cache.Cache.
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func (c *Cache[K, V]) Set(key K, value V) {
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c.timestamps.Set(key, time.Now())
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c.values.Set(key, value)
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}
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func NewCache[K comparable, V any](values cache.Cache[K, V], timestamps cache.Cache[K, time.Time], ttl time.Duration) *Cache[K, V] {
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return &Cache[K, V]{
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values: values,
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timestamps: timestamps,
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ttl: ttl,
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}
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}
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var _ cache.Cache[string, bool] = &Cache[string, bool]{}
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