mirror of
https://codeberg.org/forgejo/forgejo.git
synced 2024-12-21 05:42:28 +03:00
44221a3cd7
Users could customize the "clone" menu with their own application URLs on the admin panel. Replace #22378 Close #21121 Close #22149
94 lines
2 KiB
Go
94 lines
2 KiB
Go
// Copyright 2023 The Gitea Authors. All rights reserved.
|
|
// SPDX-License-Identifier: MIT
|
|
|
|
package config
|
|
|
|
import (
|
|
"context"
|
|
"sync"
|
|
|
|
"code.gitea.io/gitea/modules/json"
|
|
"code.gitea.io/gitea/modules/log"
|
|
"code.gitea.io/gitea/modules/util"
|
|
)
|
|
|
|
type CfgSecKey struct {
|
|
Sec, Key string
|
|
}
|
|
|
|
type Value[T any] struct {
|
|
mu sync.RWMutex
|
|
|
|
cfgSecKey CfgSecKey
|
|
dynKey string
|
|
|
|
def, value T
|
|
revision int
|
|
}
|
|
|
|
func (value *Value[T]) parse(key, valStr string) (v T) {
|
|
v = value.def
|
|
if valStr != "" {
|
|
if err := json.Unmarshal(util.UnsafeStringToBytes(valStr), &v); err != nil {
|
|
log.Error("Unable to unmarshal json config for key %q, err: %v", key, err)
|
|
}
|
|
}
|
|
return v
|
|
}
|
|
|
|
func (value *Value[T]) Value(ctx context.Context) (v T) {
|
|
dg := GetDynGetter()
|
|
if dg == nil {
|
|
// this is an edge case: the database is not initialized but the system setting is going to be used
|
|
// it should panic to avoid inconsistent config values (from config / system setting) and fix the code
|
|
panic("no config dyn value getter")
|
|
}
|
|
|
|
rev := dg.GetRevision(ctx)
|
|
|
|
// if the revision in database doesn't change, use the last value
|
|
value.mu.RLock()
|
|
if rev == value.revision {
|
|
v = value.value
|
|
value.mu.RUnlock()
|
|
return v
|
|
}
|
|
value.mu.RUnlock()
|
|
|
|
// try to parse the config and cache it
|
|
var valStr *string
|
|
if dynVal, has := dg.GetValue(ctx, value.dynKey); has {
|
|
valStr = &dynVal
|
|
} else if cfgVal, has := GetCfgSecKeyGetter().GetValue(value.cfgSecKey.Sec, value.cfgSecKey.Key); has {
|
|
valStr = &cfgVal
|
|
}
|
|
if valStr == nil {
|
|
v = value.def
|
|
} else {
|
|
v = value.parse(value.dynKey, *valStr)
|
|
}
|
|
|
|
value.mu.Lock()
|
|
value.value = v
|
|
value.revision = rev
|
|
value.mu.Unlock()
|
|
return v
|
|
}
|
|
|
|
func (value *Value[T]) DynKey() string {
|
|
return value.dynKey
|
|
}
|
|
|
|
func (value *Value[T]) WithDefault(def T) *Value[T] {
|
|
value.def = def
|
|
return value
|
|
}
|
|
|
|
func (value *Value[T]) WithFileConfig(cfgSecKey CfgSecKey) *Value[T] {
|
|
value.cfgSecKey = cfgSecKey
|
|
return value
|
|
}
|
|
|
|
func ValueJSON[T any](dynKey string) *Value[T] {
|
|
return &Value[T]{dynKey: dynKey}
|
|
}
|