mirror of
https://github.com/go-gitea/gitea
synced 2024-11-05 04:17:02 +01:00
121 lines
2.6 KiB
Go
121 lines
2.6 KiB
Go
// Copyright 2024 The Gitea Authors. All rights reserved.
|
|
// SPDX-License-Identifier: MIT
|
|
|
|
package cache
|
|
|
|
import (
|
|
"errors"
|
|
"strings"
|
|
|
|
"code.gitea.io/gitea/modules/json"
|
|
"code.gitea.io/gitea/modules/setting"
|
|
"code.gitea.io/gitea/modules/util"
|
|
|
|
chi_cache "gitea.com/go-chi/cache" //nolint:depguard
|
|
)
|
|
|
|
type GetJSONError struct {
|
|
err error
|
|
cachedError string // Golang error can't be stored in cache, only the string message could be stored
|
|
}
|
|
|
|
func (e *GetJSONError) ToError() error {
|
|
if e.err != nil {
|
|
return e.err
|
|
}
|
|
return errors.New("cached error: " + e.cachedError)
|
|
}
|
|
|
|
type StringCache interface {
|
|
Ping() error
|
|
|
|
Get(key string) (string, bool)
|
|
Put(key, value string, ttl int64) error
|
|
Delete(key string) error
|
|
IsExist(key string) bool
|
|
|
|
PutJSON(key string, v any, ttl int64) error
|
|
GetJSON(key string, ptr any) (exist bool, err *GetJSONError)
|
|
|
|
ChiCache() chi_cache.Cache
|
|
}
|
|
|
|
type stringCache struct {
|
|
chiCache chi_cache.Cache
|
|
}
|
|
|
|
func NewStringCache(cacheConfig setting.Cache) (StringCache, error) {
|
|
adapter := util.IfZero(cacheConfig.Adapter, "memory")
|
|
interval := util.IfZero(cacheConfig.Interval, 60)
|
|
cc, err := chi_cache.NewCacher(chi_cache.Options{
|
|
Adapter: adapter,
|
|
AdapterConfig: cacheConfig.Conn,
|
|
Interval: interval,
|
|
})
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
return &stringCache{chiCache: cc}, nil
|
|
}
|
|
|
|
func (sc *stringCache) Ping() error {
|
|
return sc.chiCache.Ping()
|
|
}
|
|
|
|
func (sc *stringCache) Get(key string) (string, bool) {
|
|
v := sc.chiCache.Get(key)
|
|
if v == nil {
|
|
return "", false
|
|
}
|
|
s, ok := v.(string)
|
|
return s, ok
|
|
}
|
|
|
|
func (sc *stringCache) Put(key, value string, ttl int64) error {
|
|
return sc.chiCache.Put(key, value, ttl)
|
|
}
|
|
|
|
func (sc *stringCache) Delete(key string) error {
|
|
return sc.chiCache.Delete(key)
|
|
}
|
|
|
|
func (sc *stringCache) IsExist(key string) bool {
|
|
return sc.chiCache.IsExist(key)
|
|
}
|
|
|
|
const cachedErrorPrefix = "<CACHED-ERROR>:"
|
|
|
|
func (sc *stringCache) PutJSON(key string, v any, ttl int64) error {
|
|
var s string
|
|
switch v := v.(type) {
|
|
case error:
|
|
s = cachedErrorPrefix + v.Error()
|
|
default:
|
|
b, err := json.Marshal(v)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
s = util.UnsafeBytesToString(b)
|
|
}
|
|
return sc.chiCache.Put(key, s, ttl)
|
|
}
|
|
|
|
func (sc *stringCache) GetJSON(key string, ptr any) (exist bool, getErr *GetJSONError) {
|
|
s, ok := sc.Get(key)
|
|
if !ok || s == "" {
|
|
return false, nil
|
|
}
|
|
s, isCachedError := strings.CutPrefix(s, cachedErrorPrefix)
|
|
if isCachedError {
|
|
return true, &GetJSONError{cachedError: s}
|
|
}
|
|
if err := json.Unmarshal(util.UnsafeStringToBytes(s), ptr); err != nil {
|
|
return false, &GetJSONError{err: err}
|
|
}
|
|
return true, nil
|
|
}
|
|
|
|
func (sc *stringCache) ChiCache() chi_cache.Cache {
|
|
return sc.chiCache
|
|
}
|