#18651: Fixing loss of millisenconds when using fields

Work Item : 18651

--HG--
branch : 1.x

src/Orchard.Tests/Data/RepositoryTests.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Globalization;
 using System.IO;
 using System.Linq;
 using NHibernate;
@@ -200,6 +201,14 @@ namespace Orchard.Tests.Data {
             Assert.That(two.Name, Is.EqualTo("two"));
         }
 
+        [Test]
+        public void StoringDateTimeDoesntRemovePrecision() {
+            _fooRepos.Create(new FooRecord { Name = "one", Timespan = DateTime.Parse("2001-01-01 16:28:21.489", CultureInfo.InvariantCulture) });
 
+            var one = _fooRepos.Fetch(f => f.Name == "one").Single();
+
+            Assert.That(one.Name, Is.EqualTo("one"));
+            Assert.That(one.Timespan.Value.Millisecond, Is.EqualTo(489));
+        }
     }
 }

src/Orchard.Tests/Records/FooRecord.cs

@@ -1,6 +1,9 @@
+using System;
+
 namespace Orchard.Tests.Records {
     public class FooRecord {
         public virtual int Id { get; set; }
         public virtual string Name { get; set; }
+        public virtual DateTime? Timespan { get; set; }
     }
 }

src/Orchard/ContentManagement/FieldStorage/SimpleFieldStorage.cs

@@ -28,7 +28,15 @@ namespace Orchard.ContentManagement.FieldStorage {
         }
 
         public void Set<T>(string name, T value) {
-            Setter(name, typeof(T), Convert.ToString(value, CultureInfo.InvariantCulture));
+            
+            // using a special case for DateTime as it would lose milliseconds otherwise
+            if (typeof(T) == typeof(DateTime)) {
+                var text = ((DateTime)(object)value).ToString("o", CultureInfo.InvariantCulture);
+                Setter(name, typeof(T), text);
+            }
+            else {
+                Setter(name, typeof (T), Convert.ToString(value, CultureInfo.InvariantCulture));
+            }
         }
     }
 }