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//#define MEMCACHE
using System.Collections.Frozen;
using ArcaneLibs.Extensions.Streams;
using Microsoft.AspNetCore.Mvc;
using ReferenceClientProxyImplementation.Configuration;
using ReferenceClientProxyImplementation.Services;
namespace ReferenceClientProxyImplementation.Controllers;
[Controller]
[Route("/")]
public class AssetsController(ProxyConfiguration proxyConfiguration, ClientStoreService clientStore) : Controller {
#if MEMCACHE
private static FrozenDictionary<string, ReadOnlyMemory<byte>> memCache = new Dictionary<string, ReadOnlyMemory<byte>>().ToFrozenDictionary();
#endif
[HttpGet("/assets/{*res:required}")]
public async Task<IActionResult> Asset(string res) {
if (res is "version.staging.json" or "version.internal.json")
res = $"version.{proxyConfiguration.TestClient.Revision}.json";
else if (res.EndsWith(".map")) {
return NotFound();
}
var ext = res.Split(".").Last();
var contentType = ext switch {
//text types
"html" => "text/html",
"js" => "text/javascript",
"css" => "text/css",
"txt" => "text/plain",
"csv" => "text/csv",
"json" => "application/json",
//image types
"apng" => "image/apng",
"gif" => "image/gif",
"jpg" => "image/jpeg",
"png" => "image/png",
"svg" => "image/svg+xml",
"webp" => "image/webp",
"ico" => "image/x-icon",
//script types
"wasm" => "application/wasm",
_ => "application/octet-stream"
};
// Response.Headers.ContentType = contentType;
#if MEMCACHE
if (memCache.TryGetValue(res, out var value)) {
// value.Position = 0;
var cms = new MemoryStream(value.ToArray());
// await value.CopyToAsync(cms);
// ms.Position = 0;
return new FileStreamResult(cms, contentType);
}
#endif
#if MEMCACHE
var stream = await clientStore.GetPatchedClientAsset("assets/" + res);
stream.Position = 0;
// var ms = new MemoryStream(stream.ReadToEnd().ToArray(), false);
// memCache = memCache.Append(new KeyValuePair<string, MemoryStream>(res, ms)).ToFrozenDictionary();
// return new FileStreamResult(ms, contentType);
var mem = new ReadOnlyMemory<byte>(stream.ReadToEnd().ToArray());
memCache = memCache.Append(new KeyValuePair<string, ReadOnlyMemory<byte>>(res, mem)).ToFrozenDictionary();
return new FileStreamResult(new MemoryStream(mem.ToArray()), contentType);
#else
return new FileStreamResult(await clientStore.GetPatchedClientAsset("assets/" + res), contentType);
#endif
// return ;
}
}
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