daniel-c-harvey
35 lines
1.4 KiB
C#
35 lines
1.4 KiB
C#
using DeepDrftPublic.Client.Common;
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using Microsoft.JSInterop;
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namespace DeepDrftPublic.Client.Services;
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/// <summary>
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/// Client-side runtime writer for public-site settings (Phase 18 wave 18.6), the analogue of
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/// <see cref="DarkModeCookieService"/>. Reads the current preference off the in-memory
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/// <see cref="PublicSiteSettings"/> (already seeded at prerender and bridged into WASM), and writes a
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/// 365-day cookie via <c>document.cookie</c> interop when the listener changes it in the Settings menu —
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/// the same durable-truth seam dark mode uses, so the choice survives the session and seeds the next visit's
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/// prerender (no flash).
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/// </summary>
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public class SettingsCookieService(PublicSiteSettings settings, IJSRuntime js) : SettingsServiceBase
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{
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private const int ExpiryDays = 365;
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public StreamQuality GetStreamQuality() => settings.StreamQuality;
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public async ValueTask SetStreamQualityAsync(StreamQuality quality)
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{
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if (settings.StreamQuality == quality) return;
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await WriteCookieAsync(StreamQualityCookieName, FormatStreamQuality(quality));
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settings.StreamQuality = quality;
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}
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private async ValueTask WriteCookieAsync(string name, string value)
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{
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var expires = DateTime.UtcNow.AddDays(ExpiryDays).ToString("R");
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await js.InvokeVoidAsync("eval",
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$"document.cookie = '{name}={value}; expires={expires}; path=/; SameSite=Lax'");
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}
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}
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