add blur web processor; set image cache defaults

zero/Media/ImageSharp/Processors/BlurWebProcessor.cs

@@ -0,0 +1,48 @@
+using Microsoft.Extensions.Logging;
+using SixLabors.ImageSharp.Processing;
+using SixLabors.ImageSharp.Web;
+using SixLabors.ImageSharp.Web.Commands;
+using SixLabors.ImageSharp.Web.Processors;
+using System.Globalization;
+
+namespace zero.Media.ImageSharp.Processors;
+
+public class BlurWebProcessor : IImageWebProcessor
+{
+  // <summary>
+  /// The command constant for the gaussian blur sigma.
+  /// </summary>
+  public const string Blur = "blur";
+
+  /// <summary>
+  /// The reusable collection of commands.
+  /// </summary>
+  private static readonly IEnumerable<string> BlurCommands = new[] { Blur };
+
+  /// <inheritdoc/>
+  public IEnumerable<string> Commands { get; } = BlurCommands;
+
+  /// <inheritdoc/>
+  public FormattedImage Process(
+      FormattedImage image,
+      ILogger logger,
+      CommandCollection commands,
+      CommandParser parser,
+      CultureInfo culture)
+  {
+    if (commands.Contains(Blur))
+    {
+      float sigma = parser.ParseValue<float>(commands.GetValueOrDefault(Blur), culture);
+
+      if (sigma != 0)
+      {
+        image.Image.Mutate(x => x.GaussianBlur(sigma));
+      }
+    }
+
+    return image;
+  }
+
+  /// <inheritdoc/>
+  public bool RequiresTrueColorPixelFormat(CommandCollection commands, CommandParser parser, CultureInfo culture) => true;
+}

zero/Media/Indexes/Media_ByChildren.cs

@@ -1,38 +0,0 @@
-// using Raven.Client.Documents.Indexes;
-//
-// namespace zero.Media;
-//
-// public class Media_ByChildren : ZeroMultiMapIndex<Media_ByChildren.Result>
-// {
-//   public class Result : ZeroIdEntity, ISupportsDbConventions
-//   {
-//     public string ParentId { get; set; }
-//
-//     public int ChildrenCount { get; set; }
-//
-//     public string[] ChildrenIds { get; set; }
-//   }
-//
-//
-//   protected override void Create()
-//   {
-//     AddMap<Media>(items => items.Select(item => new Result()
-//     {
-//       Id = item.Id,
-//       ParentId = item.ParentId,
-//       ChildrenCount = 1,
-//       ChildrenIds = new string[] { }
-//     }));
-//
-//     Reduce = results => results.GroupBy(x => new { x.ParentId }).Select(group => new Result()
-//     {
-//       Id = null,
-//       ParentId = group.Key.ParentId,
-//       ChildrenCount = group.Sum(x => x.ChildrenCount),
-//       ChildrenIds = group.Select(x => x.Id).ToArray()
-//     });
-//
-//     StoreAllFields(FieldStorage.Yes);
-//     Index(x => x.ParentId, FieldIndexing.Exact);
-//   }
-// }

zero/Media/Indexes/Media_ByHierarchy.cs

@@ -1,45 +0,0 @@
-// using Raven.Client.Documents.Indexes;
-//
-// namespace zero.Media;
-//
-// public class Media_ByHierarchy : ZeroIndex<Media, Media_ByHierarchy.Result>
-// {
-//   public class Result : ZeroIdEntity, ISupportsDbConventions
-//   {
-//     public string Name { get; set; }
-//
-//     public List<PathResult> Path { get; set; } = new List<PathResult>();
-//
-//     public string[] PathIds { get; set; } = Array.Empty<string>();
-//   }
-//
-//
-//   public class PathResult
-//   {
-//     public string Id { get; set; }
-//
-//     public string Name { get; set; }
-//   }
-//
-//
-//   protected override void Create()
-//   {
-//     Map = items => items
-//       .Select(item => new
-//       {
-//         Item = item,
-//         Path = Recurse(item, x => LoadDocument<Media>(x.ParentId)).Where(x => x != null && x.Id != null && x.Id != item.Id).Reverse()
-//       })
-//       .Select(item => new Result
-//       {
-//         Id = item.Item.Id,
-//         Name = item.Item.Name,
-//         Path = item.Path.Select(current => new PathResult() { Id = current.Id, Name = current.Name }).ToList(),
-//         PathIds = item.Path.Select(current => current.Id).ToArray()
-//       });
-//
-//     StoreAllFields(FieldStorage.Yes);
-//     Index("PathIds", FieldIndexing.Exact);
-//     //Index(x => x.ChannelId, FieldIndexing.Exact);
-//   }
-// }

zero/Media/MediaOptions.cs

@@ -5,7 +5,7 @@ namespace zero.Media;
 
 public class MediaOptions
 {
-  public string FolderPath { get; set; }
+  public string FolderPath { get; set; } = string.Empty;
 
   public string PublicPathPrefix { get; set; } = string.Empty;
 

zero/Media/ZeroMediaModule.cs

@@ -1,15 +1,13 @@
-using Microsoft.AspNetCore.Hosting;
+using Microsoft.AspNetCore.Builder;
+using Microsoft.AspNetCore.Hosting;
+using Microsoft.AspNetCore.Routing;
 using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Options;
-using SixLabors.ImageSharp.Processing;
-using System.IO;
-using Microsoft.AspNetCore.Builder;
-using Microsoft.AspNetCore.Routing;
 using SixLabors.ImageSharp.Web.Caching;
 using SixLabors.ImageSharp.Web.DependencyInjection;
+using System.IO;
 using zero.Media.ImageSharp;
-using zero.Numbers;
 using zero.Media.ImageSharp.Processors;
 
 namespace zero.Media;
@@ -24,7 +22,13 @@ internal class ZeroMediaModule : ZeroModule
       .AddProvider<PhysicalFileProvider>()
       .AddProcessor<RotateWebProcessor>()
       .AddProcessor<StripMetadataWebProcessor>()
-      .Configure<PhysicalFileSystemCacheOptions>(configuration.GetSection("Zero:Media:ImageSharp:Cache"));
+      .AddProcessor<BlurWebProcessor>();
+
+    services.AddOptions<PhysicalFileSystemCacheOptions>().Configure(opts =>
+    {
+      opts.CacheRootPath = "~/";
+      opts.CacheFolder = "cache";
+    }).Bind(configuration.GetSection("Zero:Media:ImageSharp:Cache"));
     
     //configuration.AddJsonFile(Path.Combine(Directory.GetCurrentDirectory(), "Config/imaging.json"), true, true);
     //configuration.AddJsonFile(Path.Combine(Directory.GetCurrentDirectory(), $"Config/imaging.{builder.Environment.EnvironmentName}.json"), true);