Refactored project to module structure

Moonlight.Api/Shared/Frontend/FrontendConfigMapper.cs

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+using System.Diagnostics.CodeAnalysis;
+using Moonlight.Shared.Shared.Frontend;
+using Riok.Mapperly.Abstractions;
+
+namespace Moonlight.Api.Shared.Frontend;
+
+[Mapper]
+[SuppressMessage("Mapper", "RMG020:No members are mapped in an object mapping")]
+[SuppressMessage("Mapper", "RMG012:No members are mapped in an object mapping")]
+public static partial class FrontendConfigMapper
+{
+    public static partial FrontendConfigDto ToDto(FrontendConfiguration configuration);
+}

Moonlight.Api/Shared/Frontend/FrontendConfiguration.cs

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+namespace Moonlight.Api.Shared.Frontend;
+
+public record FrontendConfiguration(string Name, string? ThemeCss);

Moonlight.Api/Shared/Frontend/FrontendController.cs

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+using Microsoft.AspNetCore.Mvc;
+using Moonlight.Shared.Shared.Frontend;
+
+namespace Moonlight.Api.Shared.Frontend;
+
+[ApiController]
+[Route("api/frontend")]
+public class FrontendController : Controller
+{
+    private readonly FrontendService FrontendService;
+
+    public FrontendController(FrontendService frontendService)
+    {
+        FrontendService = frontendService;
+    }
+
+    [HttpGet("config")]
+    public async Task<ActionResult<FrontendConfigDto>> GetConfigAsync()
+    {
+        var configuration = await FrontendService.GetConfigurationAsync();
+        return FrontendConfigMapper.ToDto(configuration);
+    }
+}

Moonlight.Api/Shared/Frontend/FrontendService.cs

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+using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.Caching.Memory;
+using Microsoft.Extensions.Options;
+using Moonlight.Api.Admin.Sys.Settings;
+using Moonlight.Api.Admin.Sys.Versions;
+using Moonlight.Api.Infrastructure.Database;
+using Moonlight.Api.Infrastructure.Database.Entities;
+
+namespace Moonlight.Api.Shared.Frontend;
+
+public class FrontendService
+{
+    private const string CacheKey = $"Moonlight.{nameof(FrontendService)}.{nameof(GetConfigurationAsync)}";
+    private readonly IMemoryCache Cache;
+    private readonly IOptions<FrontendOptions> Options;
+    private readonly SettingsService SettingsService;
+    private readonly DatabaseRepository<Theme> ThemeRepository;
+
+    public FrontendService(IMemoryCache cache, DatabaseRepository<Theme> themeRepository,
+        IOptions<FrontendOptions> options, SettingsService settingsService)
+    {
+        Cache = cache;
+        ThemeRepository = themeRepository;
+        Options = options;
+        SettingsService = settingsService;
+    }
+
+    public async Task<FrontendConfiguration> GetConfigurationAsync()
+    {
+        if (Cache.TryGetValue(CacheKey, out FrontendConfiguration? value))
+            if (value != null)
+                return value;
+
+        var theme = await ThemeRepository
+            .Query()
+            .FirstOrDefaultAsync(x => x.IsEnabled);
+
+        var name = await SettingsService.GetValueAsync<string>(FrontendSettingConstants.Name);
+
+        var config = new FrontendConfiguration(name ?? "Moonlight", theme?.CssContent);
+
+        Cache.Set(CacheKey, config, TimeSpan.FromMinutes(Options.Value.CacheMinutes));
+
+        return config;
+    }
+
+    public Task ResetCacheAsync()
+    {
+        Cache.Remove(CacheKey);
+        return Task.CompletedTask;
+    }
+}

Moonlight.Api/Shared/Frontend/FrontendSettingConstants.cs

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+namespace Moonlight.Api.Shared.Frontend;
+
+public class FrontendSettingConstants
+{
+    public const string Name = "Moonlight.Frontend.Name";
+}