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setting.go
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setting.go
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package op
import (
"sort"
"strconv"
"strings"
"time"
"github.com/Xhofe/go-cache"
"github.com/alist-org/alist/v3/internal/db"
"github.com/alist-org/alist/v3/internal/model"
"github.com/alist-org/alist/v3/pkg/singleflight"
"github.com/alist-org/alist/v3/pkg/utils"
"github.com/pkg/errors"
)
var settingCache = cache.NewMemCache(cache.WithShards[*model.SettingItem](4))
var settingG singleflight.Group[*model.SettingItem]
var settingCacheF = func(item *model.SettingItem) {
settingCache.Set(item.Key, item, cache.WithEx[*model.SettingItem](time.Hour))
}
var settingGroupCache = cache.NewMemCache(cache.WithShards[[]model.SettingItem](4))
var settingGroupG singleflight.Group[[]model.SettingItem]
var settingGroupCacheF = func(key string, item []model.SettingItem) {
settingGroupCache.Set(key, item, cache.WithEx[[]model.SettingItem](time.Hour))
}
func settingCacheUpdate() {
settingCache.Clear()
settingGroupCache.Clear()
}
func GetPublicSettingsMap() map[string]string {
items, _ := GetPublicSettingItems()
pSettings := make(map[string]string)
for _, item := range items {
pSettings[item.Key] = item.Value
}
return pSettings
}
func GetSettingsMap() map[string]string {
items, _ := GetSettingItems()
settings := make(map[string]string)
for _, item := range items {
settings[item.Key] = item.Value
}
return settings
}
func GetSettingItems() ([]model.SettingItem, error) {
if items, ok := settingGroupCache.Get("ALL_SETTING_ITEMS"); ok {
return items, nil
}
items, err, _ := settingGroupG.Do("ALL_SETTING_ITEMS", func() ([]model.SettingItem, error) {
_items, err := db.GetSettingItems()
if err != nil {
return nil, err
}
settingGroupCacheF("ALL_SETTING_ITEMS", _items)
return _items, nil
})
return items, err
}
func GetPublicSettingItems() ([]model.SettingItem, error) {
if items, ok := settingGroupCache.Get("ALL_PUBLIC_SETTING_ITEMS"); ok {
return items, nil
}
items, err, _ := settingGroupG.Do("ALL_PUBLIC_SETTING_ITEMS", func() ([]model.SettingItem, error) {
_items, err := db.GetPublicSettingItems()
if err != nil {
return nil, err
}
settingGroupCacheF("ALL_PUBLIC_SETTING_ITEMS", _items)
return _items, nil
})
return items, err
}
func GetSettingItemByKey(key string) (*model.SettingItem, error) {
if item, ok := settingCache.Get(key); ok {
return item, nil
}
item, err, _ := settingG.Do(key, func() (*model.SettingItem, error) {
_item, err := db.GetSettingItemByKey(key)
if err != nil {
return nil, err
}
settingCacheF(_item)
return _item, nil
})
return item, err
}
func GetSettingItemInKeys(keys []string) ([]model.SettingItem, error) {
var items []model.SettingItem
for _, key := range keys {
item, err := GetSettingItemByKey(key)
if err != nil {
return nil, err
}
items = append(items, *item)
}
return items, nil
}
func GetSettingItemsByGroup(group int) ([]model.SettingItem, error) {
key := strconv.Itoa(group)
if items, ok := settingGroupCache.Get(key); ok {
return items, nil
}
items, err, _ := settingGroupG.Do(key, func() ([]model.SettingItem, error) {
_items, err := db.GetSettingItemsByGroup(group)
if err != nil {
return nil, err
}
settingGroupCacheF(key, _items)
return _items, nil
})
return items, err
}
func GetSettingItemsInGroups(groups []int) ([]model.SettingItem, error) {
sort.Ints(groups)
key := strings.Join(utils.MustSliceConvert(groups, func(i int) string {
return strconv.Itoa(i)
}), ",")
if items, ok := settingGroupCache.Get(key); ok {
return items, nil
}
items, err, _ := settingGroupG.Do(key, func() ([]model.SettingItem, error) {
_items, err := db.GetSettingItemsInGroups(groups)
if err != nil {
return nil, err
}
settingGroupCacheF(key, _items)
return _items, nil
})
return items, err
}
func SaveSettingItems(items []model.SettingItem) error {
noHookItems := make([]model.SettingItem, 0)
errs := make([]error, 0)
for i := range items {
if ok, err := HandleSettingItemHook(&items[i]); ok {
if err != nil {
errs = append(errs, err)
} else {
err = db.SaveSettingItem(&items[i])
if err != nil {
errs = append(errs, err)
}
}
} else {
noHookItems = append(noHookItems, items[i])
}
}
if len(noHookItems) > 0 {
err := db.SaveSettingItems(noHookItems)
if err != nil {
errs = append(errs, err)
}
}
if len(errs) < len(items)-len(noHookItems)+1 {
settingCacheUpdate()
}
return utils.MergeErrors(errs...)
}
func SaveSettingItem(item *model.SettingItem) (err error) {
// hook
if _, err := HandleSettingItemHook(item); err != nil {
return err
}
// update
if err = db.SaveSettingItem(item); err != nil {
return err
}
settingCacheUpdate()
return nil
}
func DeleteSettingItemByKey(key string) error {
old, err := GetSettingItemByKey(key)
if err != nil {
return errors.WithMessage(err, "failed to get settingItem")
}
if !old.IsDeprecated() {
return errors.Errorf("setting [%s] is not deprecated", key)
}
settingCacheUpdate()
return db.DeleteSettingItemByKey(key)
}