107 lines
2.8 KiB
Go
107 lines
2.8 KiB
Go
package lib
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import (
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"bufio"
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"bytes"
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"fmt"
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"html/template"
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"os"
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"path/filepath"
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"strings"
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)
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var translations = make(map[string]map[string]string)
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// TranslateInit loads translation files from the given directory
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func TranslateInit(langDir string) {
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files, _ := filepath.Glob(filepath.Join(langDir, "*.yaml"))
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for _, f := range files {
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lang := strings.TrimSuffix(filepath.Base(f), ".yaml")
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translations[lang] = make(map[string]string)
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file, _ := os.Open(f)
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if file == nil {
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continue
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}
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scanner := bufio.NewScanner(file)
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for scanner.Scan() {
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line := scanner.Text()
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if idx := strings.Index(line, ": "); idx > 0 {
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translations[lang][line[:idx]] = strings.Trim(line[idx+2:], "\"'")
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}
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}
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file.Close()
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}
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}
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// T translates a key to the given language, falling back to English
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func T(lang, key string) string {
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if t, ok := translations[lang]; ok {
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if s, ok := t[key]; ok {
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return s
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}
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}
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if t, ok := translations["en"]; ok {
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if s, ok := t[key]; ok {
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return s
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}
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}
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return "[" + key + "]"
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}
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// CategoryTranslate returns the translated category name
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func CategoryTranslate(cat int, lang string) string {
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return T(lang, CategoryKey(cat))
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}
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// SexTranslate returns the translated sex string (ISO 5218)
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func SexTranslate(sex int, lang string) string {
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key := fmt.Sprintf("sex_%d", sex)
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return T(lang, key)
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}
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var htmlTemplates *template.Template
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// TemplateInit loads HTML templates from the given directory
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func TemplateInit(tmplDir string) {
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htmlTemplates = template.Must(template.New("").Funcs(template.FuncMap{
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"T": func(key string) string { return key }, // placeholder, overridden per-render
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}).ParseGlob(filepath.Join(tmplDir, "*.tmpl")))
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}
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// RenderHTML renders a named template with translated strings and variables.
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// Tries name_lang first (e.g. "email_invite_de"), falls back to name.
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// Vars are accessible as {{index . "Key"}}, translations as {{T "key"}}.
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func RenderHTML(name, lang string, vars map[string]string) (string, error) {
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if htmlTemplates == nil {
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return "", fmt.Errorf("templates not initialized")
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}
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t, err := htmlTemplates.Clone()
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if err != nil {
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return "", err
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}
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t = t.Funcs(template.FuncMap{
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"T": func(key string) template.HTML { return template.HTML(T(lang, key)) },
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})
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tmplName := name + "_" + lang
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if t.Lookup(tmplName) == nil {
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tmplName = name
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}
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var buf bytes.Buffer
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if err := t.ExecuteTemplate(&buf, tmplName, vars); err != nil {
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return "", err
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}
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return buf.String(), nil
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}
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// DossierLanguage returns the language for a dossier, defaulting to "en"
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func DossierLanguage(dossierID string) string {
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if dossierID == "" {
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return "en"
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}
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d, err := DossierGet("", dossierID) // nil ctx = internal operation
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if err != nil || d.Preferences.Language == "" {
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return "en"
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}
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return d.Preferences.Language
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}
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