63 lines
2.2 KiB
C#
63 lines
2.2 KiB
C#
using System.Text.Json;
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using Microsoft.AspNetCore.Builder;
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using Microsoft.AspNetCore.Http;
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using Microsoft.AspNetCore.Routing;
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using Microsoft.Extensions.DependencyInjection;
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namespace DysonNetwork.Shared.PageData;
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public static class PageStartup
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{
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/// <summary>
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/// The method setup the single page application routes for you.
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/// Before you calling this, ensure you have setup the static files and default files:
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/// <code>
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/// app.UseDefaultFiles();
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/// app.UseStaticFiles(new StaticFileOptions
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/// {
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/// FileProvider = new PhysicalFileProvider(Path.Combine(contentRoot, "wwwroot", "dist"))
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/// });
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/// </code>
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/// </summary>
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/// <param name="app"></param>
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/// <param name="defaultFile"></param>
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/// <returns></returns>
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public static WebApplication MapPages(this WebApplication app, string defaultFile)
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{
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#pragma warning disable ASP0016
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app.MapFallback(async context =>
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{
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if (context.Request.Path.StartsWithSegments("/api") || context.Request.Path.StartsWithSegments("/cgi"))
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{
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context.Response.StatusCode = StatusCodes.Status404NotFound;
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await context.Response.WriteAsync("Not found");
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return;
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}
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var html = await File.ReadAllTextAsync(defaultFile);
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using var scope = app.Services.CreateScope();
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var providers = scope.ServiceProvider.GetServices<IPageDataProvider>();
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var matches = providers
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.Where(p => p.CanHandlePath(context.Request.Path))
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.Select(p => p.GetAppDataAsync(context))
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.ToList();
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var results = await Task.WhenAll(matches);
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var appData = new Dictionary<string, object?>();
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foreach (var result in results)
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foreach (var (key, value) in result)
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appData[key] = value;
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var json = JsonSerializer.Serialize(appData);
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html = html.Replace("<app-data />", $"<script>window.__APP_DATA__ = {json};</script>");
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context.Response.ContentType = "text/html";
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await context.Response.WriteAsync(html);
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});
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#pragma warning restore ASP0016
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return app;
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}
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} |