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// Copyright 2017 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package cache
import (
"code.gitea.io/gitea/modules/setting"
mc "github.com/go-macaron/cache"
)
var conn mc.Cache
// NewContext start cache service
func NewContext() error {
if setting.CacheService == nil || conn != nil {
return nil
}
var err error
conn, err = mc.NewCacher(setting.CacheService.Adapter, mc.Options{
Adapter: setting.CacheService.Adapter,
AdapterConfig: setting.CacheService.Conn,
Interval: setting.CacheService.Interval,
})
return err
}
// GetInt returns key value from cache with callback when no key exists in cache
func GetInt(key string, getFunc func() (int, error)) (int, error) {
if conn == nil || setting.CacheService.TTL == 0 {
return getFunc()
}
if !conn.IsExist(key) {
var (
value int
err error
)
if value, err = getFunc(); err != nil {
return value, err
}
conn.Put(key, value, int64(setting.CacheService.TTL.Seconds()))
}
return conn.Get(key).(int), nil
}
// GetInt64 returns key value from cache with callback when no key exists in cache
func GetInt64(key string, getFunc func() (int64, error)) (int64, error) {
if conn == nil || setting.CacheService.TTL == 0 {
return getFunc()
}
if !conn.IsExist(key) {
var (
value int64
err error
)
if value, err = getFunc(); err != nil {
return value, err
}
conn.Put(key, value, int64(setting.CacheService.TTL.Seconds()))
}
return conn.Get(key).(int64), nil
}
// Remove key from cache
func Remove(key string) {
if conn == nil {
return
}
conn.Delete(key)
}
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