javier
6c66ea74cc
This PR contains the work done to introduce server-side localization support to the **Website** service so the landing and error pages are served in the visitor's negotiated language, backed by a new reusable Localization package. To provide further details about the work: * Created the _Localization_ package — a bundle-bound `Localize` method and a `LanguageList` type. * Language negotiation — `NegotiateLanguage` method picks the best supported language from the request's _Accept-Language_ header (falling back to the default); the `LocalizationMiddleware` middleware resolves it per request and stores it on a new `LocalizedRequestContext` / `WebsiteRequestContext` context. * Localized responses — `LocalizedHTMLCollectionResponse` pre-renders each page once per language and caches the bytes (with `Content-Language` + `Vary: Accept-Language`), reused by the `RootController` controller and `NotFoundMiddleware` middleware. * The `CachedHTMLResponse` response gained custom-header support. * Localized pages — the `IndexPage` and `ErrorPage` pages now resolve their strings via `Localize` method; * Added `Localizable.xcstrings` catalogs. * Wired the `LocalizationMiddleware` middlewaer into the router. Reviewed-on: rock-n-code/loud-amsterdam#10 Co-authored-by: Javier Cicchelli <javier@rock-n-code.com> Co-committed-by: Javier Cicchelli <javier@rock-n-code.com>
90 lines
2.2 KiB
Swift
90 lines
2.2 KiB
Swift
import Elementary
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import Foundation
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import Localization
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/// The website's landing page, with its text localized to a given locale.
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struct IndexPage: HTMLDocument, Sendable {
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// MARK: Properties
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/// The locale the page content is localized to.
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private let locale: Locale
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/// Resolves the page's text from the bundled String Catalog for the page's ``locale``.
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private let localize: Localize
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// MARK: Initializers
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/// Creates a landing page localized to the given locale.
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/// - Parameter locale: the locale the page content is localized to.
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init(
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locale: Locale
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) {
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self.locale = locale
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self.localize = .init(bundle: .module)
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}
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// MARK: Document
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/// The page's content: a localized greeting followed by the app script.
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var body: some HTML {
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p {
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localize("index.greeting", locale: locale)
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}
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script(.src("/js/app.js")) {}
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}
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/// The metadata, stylesheet, icon, and manifest links placed in the document head.
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var head: some HTML {
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meta(.charset(.utf8))
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meta(
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.name(.viewport),
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.content("width=device-width, initial-scale=1")
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)
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link(
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.rel(.stylesheet),
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.href("/css/style.css")
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)
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link(
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.rel(.icon),
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.href("/favicon.ico"),
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.custom(
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name: "sizes",
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value: "any"
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)
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)
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link(
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.rel(.icon),
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.href("/icon.svg"),
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.custom(
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name: "type",
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value: "image/svg+xml"
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)
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)
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link(
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.rel("apple-touch-icon"),
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.href("/icon.png")
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)
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link(
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.rel("manifest"),
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.href("/site.webmanifest")
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)
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meta(
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.name("theme-color"),
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.content("#fafafa")
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)
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}
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/// The document language, derived from the page's locale and falling back to the default language.
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var lang: String {
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locale.language.languageCode?.identifier
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?? LanguageList(bundle: .module).default
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}
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/// The localized document title.
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var title: String {
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localize("index.title", locale: locale)
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}
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}
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