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IControllerResponse.cs
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87 lines (69 loc) · 2.93 KB
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using System;
using System.Collections.Generic;
using System.Threading.Tasks;
using uhttpsharp.Controllers;
namespace uhttpsharp.Handlers {
public interface IControllerResponse {
Task<IHttpResponse> Respond(IHttpContext context, IView view);
}
public class CustomResponse : IControllerResponse {
private readonly IHttpResponse _httpResponse;
public CustomResponse(IHttpResponse httpResponse) {
_httpResponse = httpResponse;
}
public Task<IHttpResponse> Respond(IHttpContext context, IView view) {
return Task.FromResult(_httpResponse);
}
}
public class RenderResponse : IControllerResponse {
public object State { get; }
public HttpResponseCode Code { get; }
public RenderResponse(HttpResponseCode code, object state) {
Code = code;
State = state;
}
public async Task<IHttpResponse> Respond(IHttpContext context, IView view) {
var output = await view.Render(context, State).ConfigureAwait(false);
return StringHttpResponse.Create(output.Body, Code, output.ContentType);
}
}
public class RedirectResponse : IControllerResponse {
private readonly Uri _newLocation;
public RedirectResponse(Uri newLocation) {
_newLocation = newLocation;
}
public Task<IHttpResponse> Respond(IHttpContext context, IView view) {
var headers =
new[] {
new KeyValuePair<string, string>("Location", _newLocation.ToString())
};
return Task.FromResult<IHttpResponse>(
new HttpResponse(HttpResponseCode.Found, string.Empty, headers, false));
}
}
public static class Response {
public static Task<IControllerResponse> Create(IControllerResponse response) {
return Task.FromResult(response);
}
public static Task<IControllerResponse> Custom(IHttpResponse httpResponse) {
return Create(new CustomResponse(httpResponse));
}
public static Task<IControllerResponse> Render(HttpResponseCode code, object state) {
return Create(new RenderResponse(code, state));
}
public static Task<IControllerResponse> Render(HttpResponseCode code) {
return Create(new RenderResponse(code, null));
}
public static Task<IControllerResponse> Redirect(Uri newLocation) {
return Create(new RedirectResponse(newLocation));
}
}
public static class Pipeline {
public static IPipeline Empty = new EmptyPipeline();
private class EmptyPipeline : IPipeline {
public Task<IControllerResponse> Go(Func<Task<IControllerResponse>> injectedTask, IHttpContext context) {
return injectedTask();
}
}
}
}