Merge remote-tracking branch 'jellyfinorigin/master' into feature/DatabaseRefactor

1 files changed, 31 insertions, 0 deletions

diff --git a/src/Jellyfin.Extensions/Json/Converters/JsonPipeDelimitedCollectionConverterFactory.cs b/src/Jellyfin.Extensions/Json/Converters/JsonPipeDelimitedCollectionConverterFactory.cs
new file mode 100644
index 000000000..f487fcaca
--- /dev/null
+++ b/src/Jellyfin.Extensions/Json/Converters/JsonPipeDelimitedCollectionConverterFactory.cs
@@ -0,0 +1,31 @@
+using System;
+using System.Collections.Generic;
+using System.Text.Json;
+using System.Text.Json.Serialization;
+
+namespace Jellyfin.Extensions.Json.Converters
+{
+    /// <summary>
+    /// Json Pipe delimited collection converter factory.
+    /// </summary>
+    /// <remarks>
+    /// This must be applied as an attribute, adding to the JsonConverter list causes stack overflow.
+    /// </remarks>
+    public class JsonPipeDelimitedCollectionConverterFactory : JsonConverterFactory
+    {
+        /// <inheritdoc />
+        public override bool CanConvert(Type typeToConvert)
+        {
+            return typeToConvert.IsArray
+                || (typeToConvert.IsGenericType
+                    && (typeToConvert.GetGenericTypeDefinition().IsAssignableFrom(typeof(IReadOnlyCollection<>)) || typeToConvert.GetGenericTypeDefinition().IsAssignableFrom(typeof(IReadOnlyList<>))));
+        }
+
+        /// <inheritdoc />
+        public override JsonConverter? CreateConverter(Type typeToConvert, JsonSerializerOptions options)
+        {
+            var structType = typeToConvert.GetElementType() ?? typeToConvert.GenericTypeArguments[0];
+            return (JsonConverter?)Activator.CreateInstance(typeof(JsonPipeDelimitedCollectionConverter<>).MakeGenericType(structType));
+        }
+    }
+}