Files
EnvelopeGenerator/EnvelopeGenerator.Server/EnvelopeGenerator.Server.Client/Services/LocalizationService.cs
TekH 0d2e43b2d6 Add multilingual support with language selector
Introduced a `LanguageControls` component for switching between
languages (`de-DE`, `en-US`, `fr-FR`) and integrated a new
`LocalizationService` to manage language preferences. Updated
`LocalizationController` to handle language persistence via
cookies and support multiple cultures. Enhanced the footer
layout to include the language selector alongside theme
controls.

Added `flag-icons` library for displaying country flags and
configured request localization in `Program.cs`. Styled the
language selector dropdown and improved sender page visuals
with updated CSS. Defaulted language handling to `de-DE` for
fallback scenarios. Cleaned up redundant code in
`LocalizationController`.
2026-09-28 09:19:46 +02:00

31 lines
1.1 KiB
C#

using System.Net;
namespace EnvelopeGenerator.Server.Client.Services;
public class LocalizationService(IHttpClientFactory httpClientFactory)
{
private HttpClient CreateDefaultClient() => httpClientFactory.CreateClient("EnvelopeGenerator.Server");
public async Task<string> GetLanguageAsync(CancellationToken cancel = default)
{
using var http = CreateDefaultClient();
var response = await http.GetAsync("/api/Localization/lang", cancel);
if (response.StatusCode == HttpStatusCode.NotFound)
return "de-DE";
if (!response.IsSuccessStatusCode)
return "de-DE";
var language = await response.Content.ReadAsStringAsync(cancel);
return string.IsNullOrWhiteSpace(language) ? "de-DE" : language.Trim('"');
}
public async Task SetLanguageAsync(string language, CancellationToken cancel = default)
{
using var http = CreateDefaultClient();
var response = await http.PostAsync($"/api/Localization/lang?language={Uri.EscapeDataString(language)}", null, cancel);
response.EnsureSuccessStatusCode();
}
}