Function newApp

_examples/i18n/basic/main.go:14–102

* See i18n-template for a more advanced translation key-values. */

()

*/

func newApp() *iris.Application {
	app := iris.New()

	// Configure i18n.
	//
	// app.I18n.Subdomain = false to disable resolve lang code from subdomain.
	// app.I18n.LoadAssets for go-bindata.

	// Default values:
	// app.I18n.URLParameter = "lang"
	// app.I18n.Subdomain = true
	//
	// Set to false to disallow path (local) redirects,
	// see https://github.com/kataras/iris/issues/1369.
	// app.I18n.PathRedirect = true
	//
	// See `app.I18n.ExtractFunc = func(ctx iris.Context) string` or
	// `ctx.SetLanguage(langCode string)` to change the extracted language from a request.
	//
	// Use DefaultMessageFunc to customize the return value of a not found key or lang.
	// All language inputs fallback to the default locale if not matched.
	// This is why this one accepts both input and matched languages,
	// so the caller can be more expressful knowing those.
	// Defaults to nil.
	app.I18n.DefaultMessageFunc = func(langInput, langMatched, key string, args ...interface{}) string {
		msg := fmt.Sprintf("user language input: %s: matched as: %s: not found key: %s: args: %v", langInput, langMatched, key, args)
		app.Logger().Warn(msg)
		return msg
	}
	// Load i18n when customizations are set in place.
	//
	// First parameter: Glob filpath patern,
	// Second variadic parameter: Optional language tags, the first one is the default/fallback one.
	err := app.I18n.Load("./locales/*/*", "en-US", "el-GR", "zh-CN")
	if err != nil {
		panic(err)
	}

	app.Get("/not-matched", func(ctx iris.Context) {
		text := ctx.Tr("not_found_key", "some", "values", 42)
		ctx.WriteString(text)
		// user language input: en-gb: matched as: en-US: not found key: not_found_key: args: [some values 42]
	})

	app.Get("/", func(ctx iris.Context) {
		hi := ctx.Tr("hi", "iris")
		locale := ctx.GetLocale()

		ctx.Writef("From the language %s translated output: %s", locale.Language(), hi)
	})

	app.Get("/some-path", func(ctx iris.Context) {
		ctx.Writef("%s", ctx.Tr("hi", "iris"))
	})

	app.Get("/other", func(ctx iris.Context) {
		language := ctx.GetLocale().Language()