default commands for image presets

zero/Media/ImageSharp/PresetRequestParser.cs

@@ -54,14 +54,26 @@ public sealed class PresetRequestParser : IRequestParser
       return [];
     }
 
-    FallbackFormat fallbackFormat = FindFallbackFormatInContext(context);
+    // get default processing commands (which are added to each request) from options
+    Dictionary<string, string> defaults = _options.ImageSharp.DefaultCommands.Select(x => x.Split("=", 2)).ToDictionary(x => x[0], x => x[1]);
+
 
     // fall back to webp, as avif is not supported yet by ImageSharp
-    string format = fallbackFormat != FallbackFormat.None ? "webp" : null;
-    string quality = _options.ImageSharp.DefaultQuality.ToString();
+    FallbackFormat fallbackFormat = FindFallbackFormatInContext(context);
+    string format = defaults.GetValueOrDefault("format", fallbackFormat != FallbackFormat.None ? "webp" : null);
+    string quality = defaults.GetValueOrDefault("quality");
 
     CommandCollection filters = [];
 
+    foreach (KeyValuePair<string, string> kv in defaults)
+    {
+      string key = kv.Key;
+      if (key != "format" && key != "quality")
+      {
+        filters[key] = kv.Value;
+      }
+    }
+
     foreach (string[] kv in transformed.Select(x => x.Split("=", 2)))
     {
       string key = kv[0];
@@ -79,25 +91,28 @@ public sealed class PresetRequestParser : IRequestParser
         continue;
       }
 
-      filters.Add(key, value);
+      filters[key] = value;
     }
 
     // add positioning filters
     if (focalPoint != null)
     {
-      filters.Add("rxy", focalPoint);
+      filters["rxy"] = focalPoint;
     }
     else
     {
-      filters.Add("ranchor", "center");
+      filters["ranchor"] = "center";
     }
 
     // add format/quality filters
     if (format.HasValue())
     {
-      filters.Add("format", format);
+      filters["format"] = format;
+    }
+    if (quality.HasValue())
+    {
+      filters["quality"] = quality;
     }
-    filters.Add("quality", quality);
 
     return filters;
   }

zero/Media/MediaOptions.cs

@@ -25,9 +25,9 @@ public class ImageSharpOptions
 
   public PhysicalFileSystemCacheOptions Cache { get; set; } = new();
 
-  public Dictionary<string, string[]> Presets { get; set; } = new();
+  public Dictionary<string, string[]> Presets { get; set; } = [];
 
-  public int DefaultQuality { get; set; } = 75;
+  public string[] DefaultCommands { get; set; } = [];
 }
 
 

zero/Media/ZeroMediaModule.cs

@@ -23,6 +23,7 @@ internal class ZeroMediaModule : ZeroModule
       .ClearProviders()
       .AddProvider<PhysicalFileProvider>()
       .AddProcessor<RotateWebProcessor>()
+      .AddProcessor<StripMetadataWebProcessor>()
       .Configure<PhysicalFileSystemCacheOptions>(configuration.GetSection("Zero:Media:ImageSharp:Cache"));
     
     //configuration.AddJsonFile(Path.Combine(Directory.GetCurrentDirectory(), "Config/imaging.json"), true, true);
@@ -32,15 +33,17 @@ internal class ZeroMediaModule : ZeroModule
     {
       IOptions<MediaOptions> options = svc.GetRequiredService<IOptions<MediaOptions>>();
       IWebHostEnvironment env = svc.GetRequiredService<IWebHostEnvironment>();
+      Console.WriteLine("media path: " + options.Value.FolderPath);
       return new(Path.Combine(env.WebRootPath, options.Value.FolderPath), options.Value.PublicPathPrefix + options.Value.FolderPath.EnsureStartsWith('/'));
     });
 
     services.AddScoped<IMediaCreator, MediaCreator>();
     services.AddScoped<IMediaManagement, MediaManagement>();
-    services.AddScoped<IMediaMetadataCache, MediaMetadataCache>();
     services.AddScoped<IZeroMediaStoreDbProvider, EmptyZeroMediaStoreDbProvider>();
+    services.AddSingleton<IImageDimensionReader, ImageDimensionReader>();
+    services.AddSingleton<MediaMetadataCache>();
 
-    services.AddOptions<MediaOptions>().Bind(configuration.GetSection("Zero:Media")).Configure(opts =>
+    services.AddOptions<MediaOptions>().Configure(opts =>
     {
       opts.FolderPath = "media";
       opts.AllowedOtherFileExtensions = new() { ".pdf", ".docx", ".doc", ".svg", ".xml" };
@@ -50,7 +53,7 @@ internal class ZeroMediaModule : ZeroModule
       //   { "thumb", new ResizeOptions() { Size = new(100, 100), Mode = ResizeMode.Max } },
       //   { "preview", new ResizeOptions() { Size = new(210, 210), Mode = ResizeMode.Min } }
       // };
-    });
+    }).Bind(configuration.GetSection("Zero:Media"));
 
     // services.Configure<ZeroOptions>(opts =>
     // {