Backend work for nzbx.co

NzbDrone.Core/Helpers/Converters/EpochDateTimeConverter.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using Newtonsoft.Json;
+using Newtonsoft.Json.Converters;
+
+namespace NzbDrone.Core.Helpers.Converters
+{
+    public class EpochDateTimeConverter : DateTimeConverterBase
+    {
+        public override void WriteJson(JsonWriter writer, object value, JsonSerializer serializer)
+        {
+            long ticks;
+            if (value is DateTime)
+            {
+                var epoch = new DateTime(1970, 1, 1);
+                var delta = ((DateTime)value) - epoch;
+                if (delta.TotalSeconds < 0)
+                {
+                    throw new ArgumentOutOfRangeException("value",
+                        "Unix epoc starts January 1st, 1970");
+                }
+                ticks = (long)delta.TotalSeconds;
+            }
+            else
+            {
+                throw new Exception("Expected date object value.");
+            }
+            writer.WriteValue(ticks);
+        }
+
+        public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer)
+        {
+            if (reader.TokenType != JsonToken.Integer)
+            {
+                throw new Exception(
+                    String.Format("Unexpected token parsing date. Expected Integer, got {0}.",
+                    reader.TokenType));
+            }
+
+            var ticks = (long)reader.Value;
+
+            var date = new DateTime(1970, 1, 1);
+            date = date.AddSeconds(ticks);
+
+            return date;
+        }
+    }
+}