43 lines
1.5 KiB
C#
43 lines
1.5 KiB
C#
namespace DTLib.Web.Routes;
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public class SimpleRouter : IRouter
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{
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/// route for any url that doesn't have its own handler
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public IRouteHandler? DefaultRoute { get; set; }
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private readonly Dictionary<string, IRouteHandler> _routes = new();
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private readonly ILogger _logger;
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public SimpleRouter(ILogger logger)
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{
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_logger = logger;
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}
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public void MapRoute(string url, HttpMethod method, IRouteHandler route) => _routes.Add($"{url}:{method}", route);
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public void MapRoute(string url, HttpMethod method, Func<HttpListenerContext, Task<HttpStatusCode>> route)
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=> MapRoute(url, method, new DelegateRouteHandler(route));
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public async Task<HttpStatusCode> Resolve(HttpListenerContext ctx)
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{
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string? requestPath = ctx.Request.Url?.AbsolutePath;
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if (string.IsNullOrEmpty(requestPath))
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requestPath = "/";
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if (!_routes.TryGetValue($"{requestPath}:{ctx.Request.HttpMethod}", out var route))
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route = DefaultRoute;
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HttpStatusCode status;
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if (route == null)
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{
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_logger.LogWarn(nameof(SimpleRouter), $"couldn't resolve request path {requestPath}");
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status = HttpStatusCode.NotFound;
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}
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else status = await route.HandleRequest(ctx);
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ctx.Response.StatusCode = (int)status;
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await ctx.Response.OutputStream.FlushAsync();
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ctx.Response.OutputStream.Close();
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return status;
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}
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} |