94 lines
2.9 KiB
C#
94 lines
2.9 KiB
C#
using SafelyYou;
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using SafelyYou.Api;
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using SafelyYou.Config;
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var builder = WebApplication.CreateBuilder(args);
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// Add services to the container.
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// Learn more about configuring OpenAPI at https://aka.ms/aspnet/openapi
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builder.Services.AddOpenApi();
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builder.Services.AddSingleton<KnownDevices>(_ =>
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{
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var deviceIds = File.ReadAllLines("/devices.csv").Skip(1).Select(id => new DeviceId(id)).ToHashSet();
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return new KnownDevices(deviceIds);
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});
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builder.Services.AddSingleton<HeartBeatHistoryConfig>(_ =>
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{
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var millis = builder.Configuration.GetSection("HeartBeatHistory").GetValue<int>("WindowMillis");
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return new HeartBeatHistoryConfig() { Window = TimeSpan.FromMilliseconds(millis) };
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});
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builder.Services.AddSingleton<HeartBeatHistories>();
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builder.Services.AddSingleton<UploadTimes>();
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var app = builder.Build();
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// Configure the HTTP request pipeline.
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if (app.Environment.IsDevelopment())
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{
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app.MapOpenApi();
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}
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app.UseHttpsRedirection();
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// heartbeat history
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// upload stats
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app.MapPost("/devices/{deviceId}/heartbeat", (string deviceId, HeartbeatRequest request,
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KnownDevices knownDevices, HeartBeatHistories histories) =>
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{
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var device = new DeviceId(deviceId);
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if (!knownDevices.Contains(device))
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{
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return Results.NotFound(new NotFoundResponse($"Device ID {deviceId} not found"));
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}
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var addResult = histories.Add(device, request.SentAt);
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return addResult switch
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{
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DeviceHeartBeatHistory.AddResult.Added => Results.NoContent(),
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DeviceHeartBeatHistory.AddResult.OutOfSequence => Results.InternalServerError(
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new ErrorResponse("Attempted to add a timestamp that was out of sequence or invalid.")),
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_ => throw new ArgumentOutOfRangeException()
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};
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});
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app.MapPost("/devices/{deviceId}/stats", (string deviceId, UploadStatsRequest request, KnownDevices knownDevices, UploadTimes uploadTimes) =>
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{
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var device = new DeviceId(deviceId);
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if (!knownDevices.Contains(device))
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{
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return Results.NotFound(new NotFoundResponse($"Device ID {deviceId} not found"));
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}
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uploadTimes.Add(device, request.UploadTime);
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return Results.NoContent();
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// not sure where the 500 would go here beyond doing a try/catch
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});
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app.MapGet("/devices/{deviceId}/stats", (string deviceId, KnownDevices knownDevices, HeartBeatHistories histories, UploadTimes uploadTimes) =>
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{
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var device = new DeviceId(deviceId);
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if (!knownDevices.Contains(device))
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{
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return Results.NotFound(new NotFoundResponse($"Device ID {deviceId} not found"));
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}
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var averageUploadTimeNanos = uploadTimes.AverageUploadTimeNanoseconds(device);
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var timeSpanText = TimeSpan.FromTicks((long)(averageUploadTimeNanos / 100)).ToString(@"m\ms\s"); // loses accuracy on the Go nanos for this text conversion
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var uptime = histories.Uptime(device);
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return Results.Ok(new GetDeviceStatsResponse(timeSpanText, uptime));
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// no 500 here
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});
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app.Run();
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