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Use en-US as fallback when using other default language (#21200)

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Only en-US has complete translations. When use other language as
default, the en-US should still be used as fallback.

Close #21199

### Screenshot


![image](https://user-images.githubusercontent.com/2114189/190882906-b7a83958-0ea2-46c4-9084-42c4f9a239aa.png)

Co-authored-by: Lauris BH <lauris@nix.lv>
This commit is contained in:
wxiaoguang 2022-09-25 07:00:16 +08:00 • committed by GitHub
parent 0c8ce71188
commit bb1e0d0aa5
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GPG key ID: 4AEE18F83AFDEB23
4 changed files with 36 additions and 12 deletions
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2
modules/translation/i18n/i18n.go
View file

@ -34,7 +34,7 @@ type LocaleStore interface {
// HasLang returns whether a given language is present in the store
HasLang(langName string) bool
// AddLocaleByIni adds a new language to the store
AddLocaleByIni(langName, langDesc string, source interface{}) error
AddLocaleByIni(langName, langDesc string, source, moreSource []byte) error
}
// ResetDefaultLocales resets the current default locales

24
modules/translation/i18n/i18n_test.go
View file

@ -10,7 +10,7 @@ import (
"github.com/stretchr/testify/assert"
)
func Test_Tr(t *testing.T) {
func TestLocaleStore(t *testing.T) {
testData1 := []byte(`
.dot.name = Dot Name
fmt = %[1]s %[2]s
@ -28,8 +28,8 @@ sub = Changed Sub String
`)
ls := NewLocaleStore()
assert.NoError(t, ls.AddLocaleByIni("lang1", "Lang1", testData1))
assert.NoError(t, ls.AddLocaleByIni("lang2", "Lang2", testData2))
assert.NoError(t, ls.AddLocaleByIni("lang1", "Lang1", testData1, nil))
assert.NoError(t, ls.AddLocaleByIni("lang2", "Lang2", testData2, nil))
ls.SetDefaultLang("lang1")
result := ls.Tr("lang1", "fmt", "a", "b")
@ -58,3 +58,21 @@ sub = Changed Sub String
assert.False(t, found)
assert.NoError(t, ls.Close())
}
func TestLocaleStoreMoreSource(t *testing.T) {
testData1 := []byte(`
a=11
b=12
`)
testData2 := []byte(`
b=21
c=22
`)
ls := NewLocaleStore()
assert.NoError(t, ls.AddLocaleByIni("lang1", "Lang1", testData1, testData2))
assert.Equal(t, "11", ls.Tr("lang1", "a"))
assert.Equal(t, "21", ls.Tr("lang1", "b"))
assert.Equal(t, "22", ls.Tr("lang1", "c"))
}

6
modules/translation/i18n/localestore.go
View file

@ -37,9 +37,7 @@ func NewLocaleStore() LocaleStore {
}
// AddLocaleByIni adds locale by ini into the store
// if source is a string, then the file is loaded
// if source is a []byte, then the content is used
func (store *localeStore) AddLocaleByIni(langName, langDesc string, source interface{}) error {
func (store *localeStore) AddLocaleByIni(langName, langDesc string, source, moreSource []byte) error {
if _, ok := store.localeMap[langName]; ok {
return ErrLocaleAlreadyExist
}
@ -53,7 +51,7 @@ func (store *localeStore) AddLocaleByIni(langName, langDesc string, source inter
iniFile, err := ini.LoadSources(ini.LoadOptions{
IgnoreInlineComment: true,
UnescapeValueCommentSymbols: true,
}, source)
}, source, moreSource)
if err != nil {
return fmt.Errorf("unable to load ini: %w", err)
}

16
modules/translation/translation.go
View file

@ -60,9 +60,9 @@ func InitLocales(ctx context.Context) {
log.Fatal("Failed to list locale files: %v", err)
}
localFiles := make(map[string]interface{}, len(localeNames))
localeData := make(map[string][]byte, len(localeNames))
for _, name := range localeNames {
localFiles[name], err = options.Locale(name)
localeData[name], err = options.Locale(name)
if err != nil {
log.Fatal("Failed to load %s locale file. %v", name, err)
}
@ -75,9 +75,17 @@ func InitLocales(ctx context.Context) {
matcher = language.NewMatcher(supportedTags)
for i := range setting.Names {
key := "locale_" + setting.Langs[i] + ".ini"
var localeDataBase []byte
if i == 0 && setting.Langs[0] != "en-US" {
// Only en-US has complete translations. When use other language as default, the en-US should still be used as fallback.
localeDataBase = localeData["locale_en-US.ini"]
if localeDataBase == nil {
log.Fatal("Failed to load locale_en-US.ini file.")
}
}
if err = i18n.DefaultLocales.AddLocaleByIni(setting.Langs[i], setting.Names[i], localFiles[key]); err != nil {
key := "locale_" + setting.Langs[i] + ".ini"
if err = i18n.DefaultLocales.AddLocaleByIni(setting.Langs[i], setting.Names[i], localeDataBase, localeData[key]); err != nil {
log.Error("Failed to set messages to %s: %v", setting.Langs[i], err)
}
}