add i18n

internal/i18nresource/locale.en.toml

@@ -0,0 +1,6 @@
+InvalidCredentials = "Invalid credentials."
+AuthenticationSuccess = "Authentication was a success."
+ValidationRequired = "This field is required."
+ValidationTooShort = "This field is too short. It should be at least %s characters."
+ValidationTooLong = "This field is too long. It should be under %s characters."
+ValidationPropertyFail = "Validation failed for '%s' property."

internal/i18nresource/locale.fr.toml

@@ -0,0 +1,6 @@
+InvalidCredentials = "Identifiants invalides."
+AuthenticationSuccess = "Connexion réussie."
+ValidationRequired = "Ce champ est requis."
+ValidationTooShort = "Ce champ est trop court. Il devrait contenir au moins %s caractères."
+ValidationTooLong = "Ce champ est trop long. Il ne devrait pas dépasser %s caractères."
+ValidationPropertyFail = "La validation a échoué pour la propriété '%s'."

internal/i18nresource/main.go

@@ -0,0 +1,32 @@
+package i18nresource
+
+import (
+	"embed"
+
+	"git.artlef.fr/PersonalLibraryManager/internal/appcontext"
+	"github.com/nicksnyder/go-i18n/v2/i18n"
+	"github.com/pelletier/go-toml"
+	"golang.org/x/text/language"
+)
+
+//go:embed locale.*.toml
+var localeFS embed.FS
+
+func InitializeI18n() *i18n.Bundle {
+	bundle := i18n.NewBundle(language.English)
+	bundle.RegisterUnmarshalFunc("toml", toml.Unmarshal)
+	bundle.LoadMessageFileFS(localeFS, "locale.en.toml")
+	bundle.LoadMessageFileFS(localeFS, "locale.fr.toml")
+	return bundle
+}
+
+func GetTranslatedMessage(ac appcontext.AppContext, messageID string) string {
+	localizer := i18n.NewLocalizer(ac.I18n, ac.C.GetHeader("Accept-Language"))
+	message, err := localizer.LocalizeMessage(&i18n.Message{
+		ID: messageID,
+	})
+	if err != nil {
+		message = err.Error()
+	}
+	return message
+}