Handle publishing in UTC

app/Umbraco/Umbraco.Archetype/Models/ArchetypeFieldsetModel.cs

@@ -142,8 +142,8 @@ namespace Archetype.Models
 	    internal bool IsDisabled()
 	    {
 		    return Disabled
-		           || (ReleaseDate.HasValue && ReleaseDate > DateTime.Now)
-		           || (ExpireDate.HasValue && DateTime.Now > ExpireDate);
+		           || (ReleaseDate.HasValue && ReleaseDate > DateTime.UtcNow)
+				   || (ExpireDate.HasValue && DateTime.UtcNow > ExpireDate);
 	    }
 
         #endregion

app/Umbraco/Umbraco.Archetype/PropertyEditors/ArcheTypePropertyEditor.cs

@@ -2,6 +2,7 @@ using System;
 using System.Collections.Generic;
 using System.Linq;
 using Archetype.Extensions;
+using Archetype.Models;
 using ClientDependency.Core;
 using Newtonsoft.Json;
 using Umbraco.Core;
@@ -175,6 +176,10 @@ namespace Archetype.PropertyEditors
 				var uploadedFiles = editorValue.AdditionalData.ContainsKey("files") ? editorValue.AdditionalData["files"] as IEnumerable<ContentItemFile> : null;
 				foreach (var fieldset in archetype.Fieldsets)
 				{
+					// make sure the publishing dates are in UTC
+					fieldset.ReleaseDate = EnsureUtcDate(fieldset.ReleaseDate);
+					fieldset.ExpireDate = EnsureUtcDate(fieldset.ExpireDate);
+
 					// assign an id to the fieldset if it has none (e.g. newly created fieldset)
 					fieldset.Id = fieldset.Id == Guid.Empty ? Guid.NewGuid() : fieldset.Id;
 					// find the corresponding fieldset in the current Archetype value (if any)
@@ -237,6 +242,20 @@ namespace Archetype.PropertyEditors
 					? new ArchetypePropertyEditor()
 					: (PropertyEditor) new TextboxPropertyEditor();
 			}
+
+			/// <summary>
+			/// Ensures that a datetime is in UTC
+			/// </summary>
+			/// <param name="dateTime">The datetime</param>
+			/// <returns>The datetime in UTC (or null if it's not set)</returns>
+			private DateTime? EnsureUtcDate(DateTime? dateTime)
+			{
+				if(dateTime.HasValue == false || dateTime.Value.Kind == DateTimeKind.Utc)
+				{
+					return dateTime;
+				}
+				return new DateTime(dateTime.Value.Ticks, DateTimeKind.Utc);
+			}
 		}
 
 		#endregion

app/controllers/controller.js

@@ -281,6 +281,8 @@ angular.module("umbraco").controller("Imulus.ArchetypeController", function ($sc
         if ($scope.canPublish() === false) {
             return false;
         }
+        // NOTE: all comparison is done in local datetime
+        //       - that's fine because the selected local datetimes will be converted to UTC datetimes when submitted
         if (fieldset.expireDateModel && fieldset.expireDateModel.value) {
             // an expired release affects the fieldset
             return moment() > moment(fieldset.expireDateModel.value);
@@ -321,16 +323,18 @@ angular.module("umbraco").controller("Imulus.ArchetypeController", function ($sc
     }
 
     function addCustomPropertiesToFieldset(fieldset) {
-        // create models for publish configuration
+
+        // create models for publish configuration (utilizing the built-in datepicker data type)
+        // NOTE: all datetimes must be converted from UTC to local
         fieldset.releaseDateModel = {
             alias: _.uniqueId("archetypeReleaseDate_"),
             view: "datepicker",
-            value: fieldset.releaseDate
+            value: fromUtc(fieldset.releaseDate)
         };
         fieldset.expireDateModel = {
             alias: _.uniqueId("archetypeExpireDate_"),
             view: "datepicker",
-            value: fieldset.expireDate
+            value: fromUtc(fieldset.expireDate)
         };
     }
 
@@ -555,10 +559,24 @@ angular.module("umbraco").controller("Imulus.ArchetypeController", function ($sc
     }
     $scope.submitWatcherOnSubmit = function () {
         _.each($scope.model.value.fieldsets, function(fieldset) {
-            // extract the publish configuration from the fieldsets
-            fieldset.releaseDate = fieldset.releaseDateModel.value;
-            fieldset.expireDate = fieldset.expireDateModel.value;
+            // extract the publish configuration from the fieldsets (and convert local datetimes to UTC)
+            fieldset.releaseDate = toUtc(fieldset.releaseDateModel.value);
+            fieldset.expireDate = toUtc(fieldset.expireDateModel.value);
         });
         $scope.$broadcast("archetypeFormSubmitting");
     }
+
+    function toUtc(date) {
+        if (!date) {
+            return null;
+        }
+        return moment(date, "YYYY-MM-DD HH:mm:ss").utc().toDate();
+    }
+
+    function fromUtc(date) {
+        if (!date) {
+            return null;
+        }
+        return moment(moment.utc(date).toDate()).format("YYYY-MM-DD HH:mm:ss")
+    }
 });