73 lines
1.6 KiB
Go
73 lines
1.6 KiB
Go
// 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)
|
|
}
|