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feat(backend): move endpoints to FastEndpoints handlers

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Jonathan Bourdon
2026-03-19 15:23:58 -04:00
parent 3ca568c05d
commit 792fc5619b
7 changed files with 136 additions and 53 deletions
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56
apps/backend/Program.cs
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@@ -1,9 +1,7 @@
using SpaceGame.Simulation.Api.Contracts;
using FastEndpoints;
using SpaceGame.Simulation.Api.Simulation;
using System.Text.Json;
var builder = WebApplication.CreateBuilder(args);
var sseJsonOptions = new JsonSerializerOptions(JsonSerializerDefaults.Web);
builder.WebHost.UseUrls("http://127.0.0.1:5079");
builder.Services.AddCors((options) =>
@@ -18,61 +16,13 @@ builder.Services.AddCors((options) =>
});
builder.Services.Configure<WorldGenerationOptions>(builder.Configuration.GetSection("WorldGeneration"));
builder.Services.Configure<OrbitalSimulationOptions>(builder.Configuration.GetSection("OrbitalSimulation"));
builder.Services.AddFastEndpoints();
builder.Services.AddSingleton<WorldService>();
builder.Services.AddHostedService<SimulationHostedService>();
var app = builder.Build();
app.UseCors();
app.MapGet("/", () => Results.Redirect("/api/world"));
app.MapGet("/api/world", (WorldService worldService) => Results.Ok(worldService.GetSnapshot()));
app.MapGet("/api/world/stream", async (HttpContext httpContext, WorldService worldService, CancellationToken cancellationToken) =>
{
httpContext.Response.Headers.Append("Cache-Control", "no-cache");
httpContext.Response.Headers.Append("Content-Type", "text/event-stream");
var afterSequenceRaw = httpContext.Request.Query["afterSequence"].ToString();
_ = long.TryParse(afterSequenceRaw, out var afterSequence);
var scopeKind = httpContext.Request.Query["scopeKind"].ToString();
if (string.IsNullOrWhiteSpace(scopeKind))
{
scopeKind = httpContext.Request.Query["scope"].ToString();
}
if (string.IsNullOrWhiteSpace(scopeKind))
{
scopeKind = "universe";
}
var systemId = httpContext.Request.Query["systemId"].ToString();
var bubbleId = httpContext.Request.Query["bubbleId"].ToString();
var scope = new ObserverScope(
scopeKind,
string.IsNullOrWhiteSpace(systemId) ? null : systemId,
string.IsNullOrWhiteSpace(bubbleId) ? null : bubbleId);
var stream = worldService.Subscribe(scope, afterSequence, cancellationToken);
await httpContext.Response.WriteAsync(": connected\n\n", cancellationToken);
await httpContext.Response.Body.FlushAsync(cancellationToken);
await foreach (var delta in stream.ReadAllAsync(cancellationToken))
{
var payload = JsonSerializer.Serialize(delta, sseJsonOptions);
await httpContext.Response.WriteAsync($"event: world-delta\ndata: {payload}\n\n", cancellationToken);
await httpContext.Response.Body.FlushAsync(cancellationToken);
}
});
app.MapGet("/api/world/health", (WorldService worldService) => Results.Ok(new
{
ok = true,
sequence = worldService.GetStatus().Sequence,
generatedAtUtc = worldService.GetStatus().GeneratedAtUtc,
}));
app.MapPost("/api/world/reset", (WorldService worldService) =>
{
var snapshot = worldService.Reset();
return Results.Ok(snapshot);
});
app.UseFastEndpoints();
app.Run();