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Fix get system setting bug when enabled redis cache (#22295)

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Fix #22281

In #21621 , `Get[V]` and `Set[V]` has been introduced, so that cache
value will be `*Setting`. For memory cache it's OK. But for redis cache,
it can only store `string` for the current implementation. This PR
revert some of changes of that and just store or return a `string` for
system setting.
This commit is contained in:
Lunny Xiao 2023-01-02 00:06:52 +08:00 • committed by GitHub
parent 0f4e1b9ac6
commit a1c30740bb
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
5 changed files with 16 additions and 53 deletions
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7
models/avatars/avatar.go
View file

@ -153,8 +153,7 @@ func generateEmailAvatarLink(email string, size int, final bool) string {
return DefaultAvatarLink()
}
enableFederatedAvatarSetting, _ := system_model.GetSetting(system_model.KeyPictureEnableFederatedAvatar)
enableFederatedAvatar := enableFederatedAvatarSetting.GetValueBool()
enableFederatedAvatar := system_model.GetSettingBool(system_model.KeyPictureEnableFederatedAvatar)
var err error
if enableFederatedAvatar && system_model.LibravatarService != nil {
@ -175,9 +174,7 @@ func generateEmailAvatarLink(email string, size int, final bool) string {
return urlStr
}
disableGravatarSetting, _ := system_model.GetSetting(system_model.KeyPictureDisableGravatar)
disableGravatar := disableGravatarSetting.GetValueBool()
disableGravatar := system_model.GetSettingBool(system_model.KeyPictureDisableGravatar)
if !disableGravatar {
// copy GravatarSourceURL, because we will modify its Path.
avatarURLCopy := *system_model.GravatarSourceURL

15
models/system/setting.go
View file

@ -92,13 +92,13 @@ func GetSettingNoCache(key string) (*Setting, error) {
}
// GetSetting returns the setting value via the key
func GetSetting(key string) (*Setting, error) {
return cache.Get(genSettingCacheKey(key), func() (*Setting, error) {
func GetSetting(key string) (string, error) {
return cache.GetString(genSettingCacheKey(key), func() (string, error) {
res, err := GetSettingNoCache(key)
if err != nil {
return nil, err
return "", err
}
return res, nil
return res.SettingValue, nil
})
}
@ -106,7 +106,8 @@ func GetSetting(key string) (*Setting, error) {
// none existing keys and errors are ignored and result in false
func GetSettingBool(key string) bool {
s, _ := GetSetting(key)
return s.GetValueBool()
v, _ := strconv.ParseBool(s)
return v
}
// GetSettings returns specific settings
@ -183,8 +184,8 @@ func SetSettingNoVersion(key, value string) error {
// SetSetting updates a users' setting for a specific key
func SetSetting(setting *Setting) error {
_, err := cache.Set(genSettingCacheKey(setting.SettingKey), func() (*Setting, error) {
return setting, upsertSettingValue(strings.ToLower(setting.SettingKey), setting.SettingValue, setting.Version)
_, err := cache.GetString(genSettingCacheKey(setting.SettingKey), func() (string, error) {
return setting.SettingValue, upsertSettingValue(strings.ToLower(setting.SettingKey), setting.SettingValue, setting.Version)
})
if err != nil {
return err

4
models/user/avatar.go
View file

@ -67,9 +67,7 @@ func (u *User) AvatarLinkWithSize(size int) string {
useLocalAvatar := false
autoGenerateAvatar := false
disableGravatarSetting, _ := system_model.GetSetting(system_model.KeyPictureDisableGravatar)
disableGravatar := disableGravatarSetting.GetValueBool()
disableGravatar := system_model.GetSettingBool(system_model.KeyPictureDisableGravatar)
switch {
case u.UseCustomAvatar:

10
models/user/setting.go
View file

@ -53,13 +53,13 @@ func genSettingCacheKey(userID int64, key string) string {
}
// GetSetting returns the setting value via the key
func GetSetting(uid int64, key string) (*Setting, error) {
return cache.Get(genSettingCacheKey(uid, key), func() (*Setting, error) {
func GetSetting(uid int64, key string) (string, error) {
return cache.GetString(genSettingCacheKey(uid, key), func() (string, error) {
res, err := GetSettingNoCache(uid, key)
if err != nil {
return nil, err
return "", err
}
return res, nil
return res.SettingValue, nil
})
}
@ -154,7 +154,7 @@ func SetUserSetting(userID int64, key, value string) error {
return err
}
_, err := cache.Set(genSettingCacheKey(userID, key), func() (string, error) {
_, err := cache.GetString(genSettingCacheKey(userID, key), func() (string, error) {
return value, upsertUserSettingValue(userID, key, value)
})

33
modules/cache/cache.go vendored
View file

@ -45,39 +45,6 @@ func GetCache() mc.Cache {
return conn
}
// Get returns the key value from cache with callback when no key exists in cache
func Get[V interface{}](key string, getFunc func() (V, error)) (V, error) {
if conn == nil || setting.CacheService.TTL == 0 {
return getFunc()
}
cached := conn.Get(key)
if value, ok := cached.(V); ok {
return value, nil
}
value, err := getFunc()
if err != nil {
return value, err
}
return value, conn.Put(key, value, setting.CacheService.TTLSeconds())
}
// Set updates and returns the key value in the cache with callback. The old value is only removed if the updateFunc() is successful
func Set[V interface{}](key string, valueFunc func() (V, error)) (V, error) {
if conn == nil || setting.CacheService.TTL == 0 {
return valueFunc()
}
value, err := valueFunc()
if err != nil {
return value, err
}
return value, conn.Put(key, value, setting.CacheService.TTLSeconds())
}
// 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 conn == nil || setting.CacheService.TTL == 0 {