8d1ce4598d
- Telegram integration for customer statistics - MCP server implementation with rate limiting - Cache system for performance optimization - Multi-language support - RESTful API endpoints 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>
71 lines
1.0 KiB
Go
71 lines
1.0 KiB
Go
package cache
|
|
|
|
import (
|
|
"sync"
|
|
"time"
|
|
)
|
|
|
|
type entry struct {
|
|
value string
|
|
expires time.Time
|
|
}
|
|
|
|
type Cache struct {
|
|
ttl time.Duration
|
|
mu sync.RWMutex
|
|
values map[string]entry
|
|
}
|
|
|
|
func New(ttl time.Duration) *Cache {
|
|
if ttl <= 0 {
|
|
ttl = time.Hour
|
|
}
|
|
return &Cache{
|
|
ttl: ttl,
|
|
values: make(map[string]entry),
|
|
}
|
|
}
|
|
|
|
func (c *Cache) Get(key string) (string, bool) {
|
|
c.mu.RLock()
|
|
e, ok := c.values[key]
|
|
c.mu.RUnlock()
|
|
if !ok {
|
|
return "", false
|
|
}
|
|
if time.Now().After(e.expires) {
|
|
c.mu.Lock()
|
|
delete(c.values, key)
|
|
c.mu.Unlock()
|
|
return "", false
|
|
}
|
|
return e.value, true
|
|
}
|
|
|
|
func (c *Cache) Set(key string, value string) {
|
|
c.mu.Lock()
|
|
c.values[key] = entry{
|
|
value: value,
|
|
expires: time.Now().Add(c.ttl),
|
|
}
|
|
c.mu.Unlock()
|
|
}
|
|
|
|
func (c *Cache) ClearExpired() int {
|
|
now := time.Now()
|
|
c.mu.Lock()
|
|
removed := 0
|
|
for k, v := range c.values {
|
|
if now.After(v.expires) {
|
|
delete(c.values, k)
|
|
removed++
|
|
}
|
|
}
|
|
c.mu.Unlock()
|
|
return removed
|
|
}
|
|
|
|
func (c *Cache) TTL() time.Duration {
|
|
return c.ttl
|
|
}
|