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localizer.go
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localizer.go
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package localize
import (
"encoding/json"
"errors"
"log"
"os"
"path/filepath"
"strings"
"sync"
errorlogger "github.com/coretrix/hitrix/service/component/error_logger"
)
const (
separator = "|-|"
)
type ILocalizer interface {
T(bucket string, key string) string
LoadBucketFromFile(bucket string, path string, append bool)
LoadBucketFromMap(bucket string, pairs map[string]string, append bool)
SaveBucketToFile(bucket string, path string)
PushBucketToSource(bucket string) (err error)
PullBucketFromSource(bucket string, append bool) (err error)
}
type SimpleLocalizer struct {
lock sync.RWMutex
pairs map[string]string
source Source
errorLogger errorlogger.ErrorLogger
}
func (l *SimpleLocalizer) T(bucket string, key string) string {
if bucket == "" {
panic("localization bucket not provided")
}
l.lock.RLock()
defer l.lock.RUnlock()
if val, ok := l.pairs[l.genKey(bucket, key)]; ok {
return val
}
l.errorLogger.LogError("missing translations for key " + l.genKey(bucket, key))
return key
}
func (l *SimpleLocalizer) LoadBucketFromMap(bucket string, pairs map[string]string, append bool) {
if bucket == "" {
return
}
l.lock.Lock()
defer l.lock.Unlock()
if l.pairs == nil {
l.pairs = map[string]string{}
}
if !append {
l.removeBucket(bucket)
}
for k, v := range pairs {
l.pairs[l.genKey(bucket, k)] = v
}
}
func (l *SimpleLocalizer) LoadBucketFromFile(bucket string, path string, append bool) {
jsonBytes, err := os.ReadFile(path)
if err != nil {
panic("no such file or directory: " + path)
}
var tempParis map[string]string
err = json.Unmarshal(jsonBytes, &tempParis)
if err != nil {
log.Println("translation file not well formated json", err)
}
l.LoadBucketFromMap(bucket, tempParis, append)
}
func (l *SimpleLocalizer) SaveBucketToFile(bucket string, path string) {
err := l.touchFile(path)
if err != nil {
panic(err)
}
tempPairs := l.getBucketPairsWithoutPrefix(bucket)
jsonBytes, _ := json.MarshalIndent(tempPairs, "", " ")
//nolint //G306: Expect WriteFile permissions to be 0600 or less
err = os.WriteFile(path, jsonBytes, 0644)
if err != nil {
panic(err)
}
}
func (l *SimpleLocalizer) PushBucketToSource(bucket string) (err error) {
if l.source == nil {
return errors.New("there is no defined sourced")
}
terms := l.getBucketTermsWithoutPrefix(bucket)
err = l.source.Push(terms)
if err != nil {
log.Fatal(err)
return
}
return
}
func (l *SimpleLocalizer) PullBucketFromSource(bucket string, append bool) (err error) {
if l.source == nil {
return errors.New("there is no defined sourced")
}
terms, err := l.source.Pull()
if err != nil {
log.Fatal(err)
return
}
l.LoadBucketFromMap(bucket, terms, append)
return
}
func (l *SimpleLocalizer) removeBucket(bucket string) {
for k := range l.pairs {
if strings.HasPrefix(k, l.genKey(bucket, "")) {
delete(l.pairs, k)
}
}
}
func (l *SimpleLocalizer) getBucketTermsWithoutPrefix(bucket string) (terms []string) {
tempPairs := l.getBucketPairsWithoutPrefix(bucket)
for k := range tempPairs {
terms = append(terms, k)
}
return
}
func (l *SimpleLocalizer) getBucketPairsWithoutPrefix(bucket string) map[string]string {
tempPairs := map[string]string{}
for k, v := range l.pairs {
if !strings.HasPrefix(k, bucket) {
continue
}
tempPairs[l.removeKeyPrefix(bucket, k)] = v
}
return tempPairs
}
func (l *SimpleLocalizer) touchFile(path string) error {
directoryPath := filepath.Dir(path)
if _, err := os.Stat(directoryPath); os.IsNotExist(err) {
err := os.MkdirAll(directoryPath, 0755)
if err != nil {
return err
}
}
file, err := os.OpenFile(path, os.O_RDONLY|os.O_CREATE, 0644)
if err != nil {
return err
}
return file.Close()
}
func (l *SimpleLocalizer) genKey(bucket string, key string) string {
return bucket + separator + key
}
func (l *SimpleLocalizer) removeKeyPrefix(bucket string, key string) string {
return strings.Replace(key, bucket+separator, "", 1)
}
func NewSimpleLocalizer(errorLogger errorlogger.ErrorLogger, source Source, localePath string) *SimpleLocalizer {
localizerService := &SimpleLocalizer{
source: source,
errorLogger: errorLogger,
}
files, err := os.ReadDir(localePath)
if err != nil {
panic(err)
}
shouldAppend := false
for _, file := range files {
if !strings.HasSuffix(file.Name(), ".json") {
continue
}
localizerService.LoadBucketFromFile(strings.TrimSuffix(file.Name(), ".json"), localePath+"/"+file.Name(), shouldAppend)
shouldAppend = true
}
return localizerService
}