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Lidarr/NzbDrone.Api/Extensions/ReqResExtensions.cs

62 lines
2.0 KiB

using System;
using System.Collections.Generic;
using System.IO;
using Nancy;
using Nancy.Responses;
using NzbDrone.Common.EnvironmentInfo;
using NzbDrone.Common.Serializer;
namespace NzbDrone.Api.Extensions
{
public static class ReqResExtensions
{
private static readonly NancyJsonSerializer NancySerializer = new NancyJsonSerializer();
public static readonly string LastModified = BuildInfo.BuildDateTime.ToString("r");
public static T FromJson<T>(this Stream body) where T : class, new()
{
return FromJson<T>(body, typeof(T));
}
public static T FromJson<T>(this Stream body, Type type)
{
return (T)FromJson(body, type);
}
public static object FromJson(this Stream body, Type type)
{
var reader = new StreamReader(body, true);
body.Position = 0;
var value = reader.ReadToEnd();
return Json.Deserialize(value, type);
}
public static JsonResponse<TModel> AsResponse<TModel>(this TModel model, HttpStatusCode statusCode = HttpStatusCode.OK)
{
var response = new JsonResponse<TModel>(model, NancySerializer) { StatusCode = statusCode };
response.Headers.DisableCache();
return response;
}
public static IDictionary<string, string> DisableCache(this IDictionary<string, string> headers)
{
headers["Cache-Control"] = "no-cache, no-store, must-revalidate";
headers["Pragma"] = "no-cache";
headers["Expires"] = "0";
return headers;
}
public static IDictionary<string, string> EnableCache(this IDictionary<string, string> headers)
{
headers["Cache-Control"] = "max-age=31536000 , public";
headers["Expires"] = "Sat, 29 Jun 2020 00:00:00 GMT";
headers["Last-Modified"] = LastModified;
headers["Age"] = "193266";
return headers;
}
}
}