schema updates

NzbDrone.Core/Datastore/Converters/ProviderSettingConverter.cs

@@ -0,0 +1,36 @@
+using System;
+using Marr.Data.Converters;
+using NzbDrone.Common.Reflection;
+using NzbDrone.Common.Serializer;
+using NzbDrone.Core.ThingiProvider;
+
+namespace NzbDrone.Core.Datastore.Converters
+{
+    public class ProviderSettingConverter : EmbeddedDocumentConverter
+    {
+        public override object FromDB(ConverterContext context)
+        {
+            if (context.DbValue == DBNull.Value)
+            {
+                return NullConfig.Instance;
+            }
+
+            var stringValue = (string)context.DbValue;
+
+            if (string.IsNullOrWhiteSpace(stringValue))
+            {
+                return NullConfig.Instance;
+            }
+
+            var ordinal = context.DataRecord.GetOrdinal("ConfigContract");
+
+            var implementation = context.DataRecord.GetString(ordinal);
+
+
+            var impType = typeof (IProviderConfig).Assembly.FindTypeByName(implementation);
+
+            return Json.Deserialize(stringValue, impType);
+        }
+
+    }
+}