javier
ea00b94841
This PR contains the work done to do a little bit of housekeeping pass across all packages and the Website service. To provide further details about the work: * Refreshed the READMEs and source documentation to match the current code; * Tagged every test case consistently across the Infrastructure, Localization, Persistence, and Website test targets; * Removed Website middleware tests now covered by Infrastructure's own suite; * Conformed the `PrepareDB` method to Sendable; * Relaxes the production Compose DATABASE_TLS default from require to prefer; * Added Persistence test verifying the prefer posture falls back to plaintext connections. Reviewed-on: rock-n-code/loud-amsterdam#27 Co-authored-by: Javier Cicchelli <javier@rock-n-code.com> Co-committed-by: Javier Cicchelli <javier@rock-n-code.com>
60 lines
2.0 KiB
Swift
60 lines
2.0 KiB
Swift
import Foundation
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import HTTPTypes
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import Hummingbird
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import Localization
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/// Resolves the visitor's preferred language and records it on the request context.
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///
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/// Placed ahead of the localized responders in the middleware chain, it reads the request's `Accept-Language` header, negotiates the best supported
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/// match (falling back to the default language), and stores it on the context's ``LocalizedRequestContext/language``.
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///
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/// The request is otherwise passed through untouched — the URL and routing are not affected — so each page is served at its existing path and varies its
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/// content by header.
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public struct LocalizationMiddleware<Context: LocalizedRequestContext> {
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// MARK: Properties
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/// Negotiates the request's language from its `Accept-Language` header.
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private let negotiate: Negotiate
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// MARK: Initializers
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/// Creates a localization middleware that negotiates against the given bundle's String Catalog languages.
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/// - Parameter bundle: the bundle whose String Catalog names the supported languages.
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public init(
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bundle: Bundle
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) {
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self.negotiate = .init(bundle: bundle)
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}
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}
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// MARK: - RouterMiddleware
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extension LocalizationMiddleware: RouterMiddleware {
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// MARK: Functions
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/// Negotiates the request's language and records it on the context before passing it down.
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/// - Parameters:
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/// - request: the incoming request.
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/// - context: the context the request is resolved against.
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/// - next: the next responder in the middleware chain.
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/// - Returns: the downstream response.
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/// - Throws: any error thrown downstream.
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public func handle(
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_ request: Request,
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context: Context,
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next: (Request, Context) async throws -> Response
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) async throws -> Response {
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var context = context
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context.language = negotiate(
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acceptLanguage: request.headers[.acceptLanguage]
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)
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return try await next(request, context)
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}
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}
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