add media module + imagesharp integration

2022-12-10 20:17:22 +01:00
parent 14328ffced
commit 313bd59b98
38 changed files with 1587 additions and 72 deletions
@@ -0,0 +1,105 @@
+// using Microsoft.Extensions.Logging;
+// using Microsoft.Extensions.Options;
+//
+// namespace zero.Media.ImageSharp;
+//
+// public class RemoteImageCache : IRemoteImageCache
+// {
+//   protected IBoldCache Cache { get; set; }
+//
+//   protected IWebRootFileSystem FileSystem { get; set; }
+//
+//   protected ILogger<RemoteImageCache> Logger { get; set; }
+//
+//   protected ImagingRemoteCacheOptions Options { get; set; }
+//
+//   public const string CACHE_PREFIX = "remote:images:";
+//
+//
+//   public RemoteImageCache(ILogger<RemoteImageCache> logger, IOptionsMonitor<ImagingOptions> monitor, IBoldCache cache, IWebRootFileSystem fileSystem)
+//   {
+//     Cache = cache;
+//     Logger = logger;
+//     FileSystem = fileSystem;
+//     Options = monitor.CurrentValue.RemoteCache;
+//     monitor.OnChange(opts => Options = opts.RemoteCache);
+//   }
+//
+//
+//   /// <inheritdoc />
+//   public async Task<Media> Resolve(string url)
+//   {
+//     if (url.IsNullOrWhiteSpace())
+//     {
+//       return null;
+//     }
+//
+//     url = url.Replace("hqdefault.jpg", "maxresdefault.jpg");
+//
+//     if (!Options.Enabled)
+//     {
+//       Logger.LogWarning("Tried to call remote image cache although the cache is disabled (url {url}", url);
+//       return null;
+//     }
+//
+//     string key = CACHE_PREFIX + url;
+//
+//     // try to find cached version first
+//     Media media = Cache.Get<Media>(key);
+//
+//     if (media != null)
+//     {
+//       return media;
+//     }
+//
+//     // download and store in filesystem
+//     try
+//     {
+//       using Stream fileStream = await DownloadFile(url);
+//       string fileName = url.Split('/').LastOrDefault();
+//
+//       string hash = Guid.NewGuid().ToString();
+//       string path = "/uploads/" + hash + "/" + fileName;
+//
+//       await FileSystem.CreateFile(path, fileStream);
+//
+//       media = new()
+//       {
+//         Source = path,
+//         RemotePath = url
+//       };
+//     }
+//     catch (Exception ex)
+//     {
+//       Logger.LogError(ex, "Could not cache remote file {url}", url);
+//       return null;
+//     }
+//
+//     // cache file for one day
+//     if (media != null)
+//     {
+//       Cache.Set(key, media, TimeSpan.FromDays(1));
+//     }
+//
+//     return media;
+//   }
+//
+//
+//   /// <summary>
+//   /// Downloads a remote file
+//   /// </summary>
+//   protected async Task<Stream> DownloadFile(string url, CancellationToken token = default)
+//   {
+//     using HttpClient http = new();
+//     return await http.GetStreamAsync(url, token);
+//   }
+// }
+//
+//
+// public interface IRemoteImageCache
+// {
+//   /// <summary>
+//   /// Resolves or caches an external media file
+//   /// </summary>
+//   Task<Media> Resolve(string url);
+// }