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refactor: load translations with sync.OnceValues

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Signed-off-by: Deluan <deluan@navidrome.org>
This commit is contained in:
Deluan 2024-11-18 14:07:31 +02:00
parent c952dc343a
commit c1adf407a1
1 changed files with 29 additions and 35 deletions
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64
server/nativeapi/translations.go
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@ -22,21 +22,14 @@ type translation struct {
Data string `json:"data"` Data string `json:"data"`
} }
var ( func newTranslationRepository(context.Context) rest.Repository {
once sync.Once
translations map[string]translation
)
func newTranslationRepository(ctx context.Context) rest.Repository {
if err := loadTranslations(ctx, resources.FS()); err != nil {
log.Error(ctx, "Error loading translation files", err)
}
return &translationRepository{} return &translationRepository{}
} }
type translationRepository struct{} type translationRepository struct{}
func (r *translationRepository) Read(id string) (interface{}, error) { func (r *translationRepository) Read(id string) (interface{}, error) {
translations, _ := loadTranslations()
if t, ok := translations[id]; ok { if t, ok := translations[id]; ok {
return t, nil return t, nil
} }
@ -45,11 +38,13 @@ func (r *translationRepository) Read(id string) (interface{}, error) {
// Count simple implementation, does not support any `options` // Count simple implementation, does not support any `options`
func (r *translationRepository) Count(...rest.QueryOptions) (int64, error) { func (r *translationRepository) Count(...rest.QueryOptions) (int64, error) {
return int64(len(translations)), nil _, count := loadTranslations()
return count, nil
} }
// ReadAll simple implementation, only returns IDs. Does not support any `options` // ReadAll simple implementation, only returns IDs. Does not support any `options`
func (r *translationRepository) ReadAll(...rest.QueryOptions) (interface{}, error) { func (r *translationRepository) ReadAll(...rest.QueryOptions) (interface{}, error) {
translations, _ := loadTranslations()
var result []translation var result []translation
for _, t := range translations { for _, t := range translations {
t.Data = "" t.Data = ""
@ -66,33 +61,32 @@ func (r *translationRepository) NewInstance() interface{} {
return &translation{} return &translation{}
} }
func loadTranslations(ctx context.Context, fsys fs.FS) (loadError error) { var loadTranslations = sync.OnceValues(func() (map[string]translation, int64) {
once.Do(func() { translations := make(map[string]translation)
translations = make(map[string]translation) fsys := resources.FS()
dir, err := fsys.Open(consts.I18nFolder) dir, err := fsys.Open(consts.I18nFolder)
if err != nil {
log.Error("Error opening translation folder", err)
return translations, 0
}
files, err := dir.(fs.ReadDirFile).ReadDir(-1)
if err != nil {
log.Error("Error reading translation folder", err)
return translations, 0
}
var languages []string
for _, f := range files {
t, err := loadTranslation(fsys, f.Name())
if err != nil { if err != nil {
loadError = err log.Error("Error loading translation file", "file", f.Name(), err)
return continue
} }
files, err := dir.(fs.ReadDirFile).ReadDir(-1) translations[t.ID] = t
if err != nil { languages = append(languages, t.ID)
loadError = err }
return log.Info("Loaded translations", "languages", languages)
} return translations, int64(len(translations))
var languages []string })
for _, f := range files {
t, err := loadTranslation(fsys, f.Name())
if err != nil {
log.Error(ctx, "Error loading translation file", "file", f.Name(), err)
continue
}
translations[t.ID] = t
languages = append(languages, t.ID)
}
log.Info(ctx, "Loading translations", "languages", languages)
})
return
}
func loadTranslation(fsys fs.FS, fileName string) (translation translation, err error) { func loadTranslation(fsys fs.FS, fileName string) (translation translation, err error) {
// Get id and full path // Get id and full path