Merge pull request #4499 from crobibero/more-param

Reduce RequestHelpers.Split usage and remove RequestHelpers.GetGuids

MediaBrowser.Common/Json/Converters/JsonCommaDelimitedArrayConverter.cs

@@ -43,7 +43,8 @@ namespace MediaBrowser.Common.Json.Converters
                     }
                     catch (FormatException)
                     {
-                        // TODO log when upgraded to .Net5
+                        // TODO log when upgraded to .Net6
+                        // https://github.com/dotnet/runtime/issues/42975
                         // _logger.LogWarning(e, "Error converting value.");
                     }
                 }

MediaBrowser.Common/Json/Converters/JsonPipeDelimitedArrayConverter.cs

@@ -0,0 +1,75 @@
+using System;
+using System.ComponentModel;
+using System.Text.Json;
+using System.Text.Json.Serialization;
+
+namespace MediaBrowser.Common.Json.Converters
+{
+    /// <summary>
+    /// Convert Pipe delimited string to array of type.
+    /// </summary>
+    /// <typeparam name="T">Type to convert to.</typeparam>
+    public class JsonPipeDelimitedArrayConverter<T> : JsonConverter<T[]>
+    {
+        private readonly TypeConverter _typeConverter;
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="JsonPipeDelimitedArrayConverter{T}"/> class.
+        /// </summary>
+        public JsonPipeDelimitedArrayConverter()
+        {
+            _typeConverter = TypeDescriptor.GetConverter(typeof(T));
+        }
+
+        /// <inheritdoc />
+        public override T[] Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
+        {
+            if (reader.TokenType == JsonTokenType.String)
+            {
+                var stringEntries = reader.GetString()?.Split('|', StringSplitOptions.RemoveEmptyEntries);
+                if (stringEntries == null || stringEntries.Length == 0)
+                {
+                    return Array.Empty<T>();
+                }
+
+                var parsedValues = new object[stringEntries.Length];
+                var convertedCount = 0;
+                for (var i = 0; i < stringEntries.Length; i++)
+                {
+                    try
+                    {
+                        parsedValues[i] = _typeConverter.ConvertFrom(stringEntries[i].Trim());
+                        convertedCount++;
+                    }
+                    catch (FormatException)
+                    {
+                        // TODO log when upgraded to .Net6
+                        // https://github.com/dotnet/runtime/issues/42975
+                        // _logger.LogWarning(e, "Error converting value.");
+                    }
+                }
+
+                var typedValues = new T[convertedCount];
+                var typedValueIndex = 0;
+                for (var i = 0; i < stringEntries.Length; i++)
+                {
+                    if (parsedValues[i] != null)
+                    {
+                        typedValues.SetValue(parsedValues[i], typedValueIndex);
+                        typedValueIndex++;
+                    }
+                }
+
+                return typedValues;
+            }
+
+            return JsonSerializer.Deserialize<T[]>(ref reader, options);
+        }
+
+        /// <inheritdoc />
+        public override void Write(Utf8JsonWriter writer, T[] value, JsonSerializerOptions options)
+        {
+            JsonSerializer.Serialize(writer, value, options);
+        }
+    }
+}

MediaBrowser.Common/Json/Converters/JsonPipeDelimitedArrayConverterFactory.cs

@@ -0,0 +1,28 @@
+using System;
+using System.Text.Json;
+using System.Text.Json.Serialization;
+
+namespace MediaBrowser.Common.Json.Converters
+{
+    /// <summary>
+    /// Json Pipe delimited array converter factory.
+    /// </summary>
+    /// <remarks>
+    /// This must be applied as an attribute, adding to the JsonConverter list causes stack overflow.
+    /// </remarks>
+    public class JsonPipeDelimitedArrayConverterFactory : JsonConverterFactory
+    {
+        /// <inheritdoc />
+        public override bool CanConvert(Type typeToConvert)
+        {
+            return true;
+        }
+
+        /// <inheritdoc />
+        public override JsonConverter CreateConverter(Type typeToConvert, JsonSerializerOptions options)
+        {
+            var structType = typeToConvert.GetElementType() ?? typeToConvert.GenericTypeArguments[0];
+            return (JsonConverter)Activator.CreateInstance(typeof(JsonPipeDelimitedArrayConverter<>).MakeGenericType(structType));
+        }
+    }
+}

MediaBrowser.Common/MediaBrowser.Common.csproj

@@ -20,7 +20,7 @@
   <ItemGroup>
     <PackageReference Include="Microsoft.Extensions.Configuration.Abstractions" Version="5.0.0" />
     <PackageReference Include="Microsoft.Extensions.DependencyInjection.Abstractions" Version="5.0.0" />
-    <PackageReference Include="Microsoft.SourceLink.GitHub" Version="1.0.0" PrivateAssets="All"/>
+    <PackageReference Include="Microsoft.SourceLink.GitHub" Version="1.0.0" PrivateAssets="All" />
     <PackageReference Include="Microsoft.Net.Http.Headers" Version="2.2.8" />
   </ItemGroup>