Data model conditions - Moved events into a separate 'mode'

src/Artemis.Core/JsonConverters/ForgivingIntConverter.cs

@@ -0,0 +1,31 @@
+using System;
+using Newtonsoft.Json;
+using Newtonsoft.Json.Linq;
+
+namespace Artemis.Core.JsonConverters
+{
+    /// <summary>
+    ///     An int converter that, if required, will round float values
+    /// </summary>
+    internal class ForgivingIntConverter : JsonConverter<int>
+    {
+        public override bool CanWrite => false;
+
+        public override void WriteJson(JsonWriter writer, int value, JsonSerializer serializer)
+        {
+            throw new NotImplementedException();
+        }
+
+        public override int ReadJson(JsonReader reader, Type objectType, int existingValue, bool hasExistingValue, JsonSerializer serializer)
+        {
+            JValue jsonValue = serializer.Deserialize<JValue>(reader);
+
+            if (jsonValue.Type == JTokenType.Float)
+                return (int) Math.Round(jsonValue.Value<double>());
+            if (jsonValue.Type == JTokenType.Integer) 
+                return jsonValue.Value<int>();
+
+            throw new FormatException();
+        }
+    }
+}