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cache.go
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cache.go
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package i18n
import (
"sync"
"golang.org/x/text/language"
)
// Cache stores translations in a map for fast access
type Cache struct {
lock sync.RWMutex
cache map[string]map[string]*Translation
}
// Clear translation cache
func (cache *Cache) Clear() {
cache.lock.Lock()
defer cache.lock.Unlock()
cache.cache = make(map[string]map[string]*Translation)
}
// Add translation to cache
func (cache *Cache) Add(translation *Translation) {
cache.lock.Lock()
defer cache.lock.Unlock()
if cache.cache == nil {
cache.cache = make(map[string]map[string]*Translation)
}
l := translation.Lang.String()
if _, ok := cache.cache[l]; !ok {
cache.cache[l] = make(map[string]*Translation)
}
cache.cache[l][translation.Key] = translation
}
// Get translation from cache
func (cache *Cache) Get(lang language.Tag, key string) *Translation {
cache.lock.RLock()
defer cache.lock.RUnlock()
if cache.cache == nil {
return nil
}
l := lang.String()
if _, ok := cache.cache[l]; !ok {
return nil
}
if _, ok := cache.cache[l][key]; !ok {
return nil
}
return cache.cache[l][key]
}
// Delete translation from cache
func (cache *Cache) Delete(translation *Translation) {
cache.lock.Lock()
defer cache.lock.Unlock()
if cache.cache == nil {
return
}
l := translation.Lang.String()
if _, ok := cache.cache[l]; !ok {
return
}
if _, ok := cache.cache[l][translation.Key]; !ok {
return
}
delete(cache.cache[l], translation.Key)
}