Fix csv parsing

RhSolutions.SkuParser.Api/Models/ProductQuantity.cs

@@ -1,30 +0,0 @@
-using CsvHelper.Configuration.Attributes;
-
-namespace RhSolutions.SkuParser.Models;
-
-public class ProductQuantity
-{
-	[Index(0)]
-	public required Product Product { get; set; }
-	[Index(1)]
-	public required double Quantity { get; set; }
-
-	public override bool Equals(object? obj)
-	{
-		if (obj == null || GetType() != obj.GetType())
-		{
-			return false;
-		}
-		ProductQuantity other = (ProductQuantity)obj;
-		return Product == other.Product &&
-			Quantity == other.Quantity;
-	}
-
-	public override int GetHashCode()
-	{
-		HashCode hash = new();
-		hash.Add(Product);
-		hash.Add(Quantity);
-		return hash.ToHashCode();
-	}
-}

RhSolutions.SkuParser.Api/Models/SkuQuantity.cs

@@ -0,0 +1,11 @@
+using CsvHelper.Configuration.Attributes;
+
+namespace RhSolutions.SkuParser.Models;
+
+public record SkuQuantity
+{
+	[Index(0)]
+	public required string Sku { get; set; }
+	[Index(1)]
+	public required double Quantity { get; set; }
+}

RhSolutions.SkuParser.Api/Services/CommonCsvParser.cs

@@ -20,7 +20,7 @@ public class CommonCsvParser : ISkuParser
 		};
 		using CsvReader csvReader = new(reader, config);
 
-		return csvReader.GetRecords<ProductQuantity>()
+		return csvReader.GetRecords<SkuQuantity>()
-			.ToDictionary(pq => new Product() { Sku = pq.Product.Sku }, pq => pq.Quantity);
+			.ToDictionary(pq => new Product() { Sku = pq.Sku }, pq => pq.Quantity);
 	}
 }