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refactor: apply default vs transform to xproj

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refactor(spa-services): clean code

refactor(node-services): clean code, extract classes nto separate files

refactor(angular-services): prime cache cleanup
This commit is contained in:
Andrei Tserakhau
2016-05-23 11:28:42 +03:00
parent 2c35945562
commit 95cba7f5dd
32 changed files with 621 additions and 448 deletions
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45
src/Microsoft.AspNetCore.AngularServices/PrimeCacheHelper.cs
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@@ -3,42 +3,51 @@ using System.Net;
using System.Net.Http;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Mvc.Rendering;
using Microsoft.AspNetCore.Html;
using Microsoft.Extensions.Logging;
using Newtonsoft.Json;
namespace Microsoft.AspNetCore.AngularServices {
public static class PrimeCacheHelper {
public static async Task<HtmlString> PrimeCache(this IHtmlHelper html, string url) {
namespace Microsoft.AspNetCore.AngularServices
{
public static class PrimeCacheHelper
{
public static async Task<HtmlString> PrimeCache(this IHtmlHelper html, string url)
{
// TODO: Consider deduplicating the PrimeCache calls (that is, if there are multiple requests to precache
// the same URL, only return nonempty for one of them). This will make it easier to auto-prime-cache any
// HTTP requests made during server-side rendering, without risking unnecessary duplicate requests.
if (string.IsNullOrEmpty(url)) {
if (string.IsNullOrEmpty(url))
{
throw new ArgumentException("Value cannot be null or empty", nameof(url));
}
try {
try
{
var request = html.ViewContext.HttpContext.Request;
var baseUri = new Uri(string.Concat(request.Scheme, "://", request.Host.ToUriComponent(), request.PathBase.ToUriComponent(), request.Path.ToUriComponent(), request.QueryString.ToUriComponent()));
var baseUri =
new Uri(string.Concat(request.Scheme, "://", request.Host.ToUriComponent(),
request.PathBase.ToUriComponent(), request.Path.ToUriComponent(),
request.QueryString.ToUriComponent()));
var fullUri = new Uri(baseUri, url);
var response = await new HttpClient().GetAsync(fullUri.ToString());
var responseBody = await response.Content.ReadAsStringAsync();
return new HtmlString(FormatAsScript(url, response.StatusCode, responseBody));
} catch (Exception ex) {
var logger = (ILogger)html.ViewContext.HttpContext.RequestServices.GetService(typeof (ILogger));
if (logger != null) {
logger.LogWarning("Error priming cache for URL: " + url, ex);
}
}
catch (Exception ex)
{
var logger = (ILogger)html.ViewContext.HttpContext.RequestServices.GetService(typeof(ILogger));
logger?.LogWarning("Error priming cache for URL: " + url, ex);
return new HtmlString(string.Empty);
}
}
private static string FormatAsScript(string url, HttpStatusCode responseStatusCode, string responseBody)
{
return string.Format(@"<script>window.__preCachedResponses = window.__preCachedResponses || {{}}; window.__preCachedResponses[{0}] = {1};</script>",
JsonConvert.SerializeObject(url),
JsonConvert.SerializeObject(new { statusCode = responseStatusCode, body = responseBody })
);
}
=>
"<script>" +
"window.__preCachedResponses = window.__preCachedResponses || {{}}; " +
$"window.__preCachedResponses[{JsonConvert.SerializeObject(url)}] " +
$"= {JsonConvert.SerializeObject(new { statusCode = responseStatusCode, body = responseBody })};" +
"</script>";
}
}
}