From 02ae577faa0bd4938507061d603e4f9447e2b64f Mon Sep 17 00:00:00 2001
From: Roy Ben Shabat <Roy.mail.net@gmail.com>
Date: Sun, 23 Aug 2020 08:44:31 +0300
Subject: Fixed issue with insights file datetime utc. added insights
 application exception/crash. added remote actions service. fixed issue with
 LiteDB hang on application start/exit. reduced insights listener empty
 frames.

---
 .../Tango.Core/Bson/BsonUtcSerializer.cs           | 68 ++++++++++++++++++++++
 .../Visual_Studio/Tango.Core/Tango.Core.csproj     |  3 +-
 2 files changed, 70 insertions(+), 1 deletion(-)
 create mode 100644 Software/Visual_Studio/Tango.Core/Bson/BsonUtcSerializer.cs

(limited to 'Software/Visual_Studio/Tango.Core')

diff --git a/Software/Visual_Studio/Tango.Core/Bson/BsonUtcSerializer.cs b/Software/Visual_Studio/Tango.Core/Bson/BsonUtcSerializer.cs
new file mode 100644
index 000000000..6f5cb7700
--- /dev/null
+++ b/Software/Visual_Studio/Tango.Core/Bson/BsonUtcSerializer.cs
@@ -0,0 +1,68 @@
+using Newtonsoft.Json;
+using Newtonsoft.Json.Serialization;
+using System;
+using System.Collections.Generic;
+using System.Globalization;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Tango.Core.Bson
+{
+    public class BsonUtcSerializer : JsonSerializer
+    {
+        private class DateTimeConverter : JsonConverter
+        {
+            public override bool CanConvert(Type objectType)
+            {
+                return typeof(DateTime) == objectType
+                    || typeof(DateTime?) == objectType;
+            }
+
+            public override void WriteJson(JsonWriter writer, object value, JsonSerializer serializer)
+            {
+                var dateTimeOffset = (DateTime)value;
+                // Serialize DateTimeOffset as round-trip formatted string
+                serializer.Serialize(writer, dateTimeOffset.ToString("O"));
+            }
+
+            public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer)
+            {
+                if (reader.TokenType != JsonToken.String && reader.TokenType != JsonToken.Date)
+                    return null;
+
+                DateTime dt;
+
+                var dateWithOffset = (String)reader.Value;
+
+                if (String.IsNullOrEmpty(dateWithOffset))
+                    return null;
+
+                if (DateTime.TryParseExact(dateWithOffset, "O", CultureInfo.InvariantCulture, DateTimeStyles.RoundtripKind, out dt))
+                    return dt;
+
+                return null;
+            }
+
+        }
+
+        private class DateTimeContractResolver : DefaultContractResolver
+        {
+            protected override JsonContract CreateContract(Type objectType)
+            {
+                var contract = base.CreateContract(objectType);
+
+                if (objectType == typeof(DateTime) || objectType == typeof(DateTime?))
+                    contract.Converter = new DateTimeConverter();
+
+                return contract;
+            }
+        }
+
+        public BsonUtcSerializer()
+        {
+            ContractResolver = new DateTimeContractResolver();
+            DateTimeZoneHandling = DateTimeZoneHandling.RoundtripKind;
+        }
+    }
+}
diff --git a/Software/Visual_Studio/Tango.Core/Tango.Core.csproj b/Software/Visual_Studio/Tango.Core/Tango.Core.csproj
index 2db9c8643..2ecd441f2 100644
--- a/Software/Visual_Studio/Tango.Core/Tango.Core.csproj
+++ b/Software/Visual_Studio/Tango.Core/Tango.Core.csproj
@@ -95,6 +95,7 @@
     <Compile Include="..\Versioning\GlobalVersionInfo.cs">
       <Link>GlobalVersionInfo.cs</Link>
     </Compile>
+    <Compile Include="Bson\BsonUtcSerializer.cs" />
     <Compile Include="Components\CmdCommand.cs" />
     <Compile Include="CustomAttributes\PropertyIndexAttribute.cs" />
     <Compile Include="CustomAttributes\StringFormatAttribute.cs" />
@@ -216,7 +217,7 @@
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
   <ProjectExtensions>
     <VisualStudio>
-      <UserProperties BuildVersion_AssemblyInfoFilename="Properties\AssemblyInfo.cs" BuildVersion_UpdateAssemblyVersion="True" BuildVersion_BuildVersioningStyle="None.None.Increment.TimeStamp" BuildVersion_UseGlobalSettings="False" BuildVersion_StartDate="2000/1/1" />
+      <UserProperties BuildVersion_StartDate="2000/1/1" BuildVersion_UseGlobalSettings="False" BuildVersion_BuildVersioningStyle="None.None.Increment.TimeStamp" BuildVersion_UpdateAssemblyVersion="True" BuildVersion_AssemblyInfoFilename="Properties\AssemblyInfo.cs" />
     </VisualStudio>
   </ProjectExtensions>
   <Import Project="..\packages\System.Data.SQLite.Core.1.0.108.0\build\net46\System.Data.SQLite.Core.targets" Condition="Exists('..\packages\System.Data.SQLite.Core.1.0.108.0\build\net46\System.Data.SQLite.Core.targets')" />
-- 
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