Polish 7 (#3381)

API/Helpers/Builders/ExternalSeriesMetadataBuilder.cs

@@ -0,0 +1,26 @@
+using System;
+using API.Entities.Metadata;
+
+namespace API.Helpers.Builders;
+
+public class ExternalSeriesMetadataBuilder : IEntityBuilder<ExternalSeriesMetadata>
+{
+    private readonly ExternalSeriesMetadata _metadata;
+    public ExternalSeriesMetadata Build() => _metadata;
+
+    public ExternalSeriesMetadataBuilder()
+    {
+        _metadata = new ExternalSeriesMetadata();
+    }
+
+    /// <summary>
+    /// -1 for not set, Range 0 - 100
+    /// </summary>
+    /// <param name="rating"></param>
+    /// <returns></returns>
+    public ExternalSeriesMetadataBuilder WithAverageExternalRating(int rating)
+    {
+        _metadata.AverageExternalRating = Math.Clamp(rating, -1, 100);
+        return this;
+    }
+}