mirror of
https://github.com/go-gitea/gitea.git
synced 2024-09-05 23:34:19 -04:00
79 lines
1.6 KiB
Go
79 lines
1.6 KiB
Go
// Copyright 2017 The Gitea Authors. All rights reserved.
|
|
// SPDX-License-Identifier: MIT
|
|
|
|
package cache
|
|
|
|
import (
|
|
"strconv"
|
|
"time"
|
|
|
|
"code.gitea.io/gitea/modules/setting"
|
|
)
|
|
|
|
var defaultCache StringCache
|
|
|
|
// Init start cache service
|
|
func Init() error {
|
|
if defaultCache == nil {
|
|
c, err := NewStringCache(setting.CacheService.Cache)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
for i := 0; i < 10; i++ {
|
|
if err = c.Ping(); err == nil {
|
|
break
|
|
}
|
|
time.Sleep(time.Second)
|
|
}
|
|
if err != nil {
|
|
return err
|
|
}
|
|
defaultCache = c
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// GetCache returns the currently configured cache
|
|
func GetCache() StringCache {
|
|
return defaultCache
|
|
}
|
|
|
|
// GetString returns the key value from cache with callback when no key exists in cache
|
|
func GetString(key string, getFunc func() (string, error)) (string, error) {
|
|
if defaultCache == nil || setting.CacheService.TTL == 0 {
|
|
return getFunc()
|
|
}
|
|
cached, exist := defaultCache.Get(key)
|
|
if !exist {
|
|
value, err := getFunc()
|
|
if err != nil {
|
|
return value, err
|
|
}
|
|
return value, defaultCache.Put(key, value, setting.CacheService.TTLSeconds())
|
|
}
|
|
return cached, 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) {
|
|
s, err := GetString(key, func() (string, error) {
|
|
v, err := getFunc()
|
|
return strconv.FormatInt(v, 10), err
|
|
})
|
|
if err != nil {
|
|
return 0, err
|
|
}
|
|
if s == "" {
|
|
return 0, nil
|
|
}
|
|
return strconv.ParseInt(s, 10, 64)
|
|
}
|
|
|
|
// Remove key from cache
|
|
func Remove(key string) {
|
|
if defaultCache == nil {
|
|
return
|
|
}
|
|
_ = defaultCache.Delete(key)
|
|
}
|