Running migrations automatically

--HG--
branch : 1.x

src/Orchard/Data/Migration/AutomaticDataMigrations.cs

@@ -0,0 +1,38 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using Orchard.Environment;
+using Orchard.Logging;
+
+namespace Orchard.Data.Migration {
+    /// <summary>
+    /// Registers to OrchardShell.Activated in order to run migrations automatically 
+    /// </summary>
+    public class AutomaticDataMigrations : IOrchardShellEvents {
+        private readonly IDataMigrationManager _dataMigrationManager;
+
+        public AutomaticDataMigrations(IDataMigrationManager dataMigrationManager) {
+            _dataMigrationManager = dataMigrationManager;
+
+            Logger = NullLogger.Instance;
+        }
+
+        public ILogger Logger { get; set; } 
+
+        public void Activated() {
+            foreach (var feature in _dataMigrationManager.GetFeaturesThatNeedUpdate()) {
+                try {
+                    _dataMigrationManager.Update(feature);
+                }
+                catch (Exception e) {
+                    Logger.Error("Could not run migrations automatically on " + feature, e);
+                }
+            }
+        }
+
+        public void Terminating() {
+            
+        }
+    }
+}

src/Orchard/Orchard.Framework.csproj

@@ -188,6 +188,7 @@
     <Compile Include="ContentManagement\QueryHints.cs" />
     <Compile Include="ContentManagement\Utilities\ComputedField.cs" />
     <Compile Include="Data\Conventions\AggregateAttribute.cs" />
+    <Compile Include="Data\Migration\AutomaticDataMigrations.cs" />
     <Compile Include="DisplayManagement\Descriptors\PlacementInfo.cs" />
     <Compile Include="DisplayManagement\Descriptors\ResourceBindingStrategy\StylesheetBindingStrategy.cs" />
     <Compile Include="DisplayManagement\Descriptors\ShapeDescriptor.cs" />