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IControllerResponse.cs
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106 lines (98 loc) · 3.16 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
{
private readonly HttpResponseCode _code;
private readonly object _state;
public RenderResponse(HttpResponseCode code, object state)
{
_code = code;
_state = state;
}
public object State
{
get { return _state; }
}
public HttpResponseCode Code
{
get { return _code; }
}
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
{
private class EmptyPipeline : IPipeline
{
public Task<IControllerResponse> Go(Func<Task<IControllerResponse>> injectedTask, IHttpContext context)
{
return injectedTask();
}
}
public static IPipeline Empty = new EmptyPipeline();
}
}