Added XML configuration support for cleanup policy

Author: Paul Johnson

src/Umbraco.Core/Configuration/UmbracoSettings/ContentElement.cs

@@ -22,6 +22,9 @@ internal class ContentElement : UmbracoConfigurationElement, IContentSection
         [ConfigurationProperty("notifications", IsRequired = true)]
         internal NotificationsElement Notifications => (NotificationsElement) base["notifications"];
 
+        [ConfigurationProperty("contentVersionCleanupPolicy", IsRequired = false)]
+        internal ContentVersionCleanupPolicyElement ContentVersionCleanupPolicy => (ContentVersionCleanupPolicyElement) this["contentVersionCleanupPolicy"];
+
         [ConfigurationProperty("PreviewBadge")]
         internal InnerTextConfigurationElement<string> PreviewBadge => GetOptionalTextElement("PreviewBadge", DefaultPreviewBadge);
 
@@ -61,6 +64,8 @@ internal class ContentElement : UmbracoConfigurationElement, IContentSection
 
         IEnumerable<string> IContentSection.AllowedUploadFiles => AllowedUploadFiles;
 
+        IContentVersionCleanupPolicySettings IContentSection.ContentVersionCleanupPolicySettings => ContentVersionCleanupPolicy;
+
         bool IContentSection.ShowDeprecatedPropertyEditors => ShowDeprecatedPropertyEditors;
 
         string IContentSection.LoginBackgroundImage => LoginBackgroundImage;

src/Umbraco.Core/Configuration/UmbracoSettings/ContentVersionCleanupPolicyElement.cs

@@ -0,0 +1,16 @@
+using System.Configuration;
+
+namespace Umbraco.Core.Configuration.UmbracoSettings
+{
+    internal class ContentVersionCleanupPolicyElement : UmbracoConfigurationElement, IContentVersionCleanupPolicySettings
+    {
+        [ConfigurationProperty("enable", DefaultValue = false)]
+        public bool EnableCleanup => (bool)this["enable"];
+
+        [ConfigurationProperty("keepAllVersionsNewerThanDays", DefaultValue = 2)]
+        public int KeepAllVersionsNewerThanDays => (int)this["keepAllVersionsNewerThanDays"];
+
+        [ConfigurationProperty("keepLatestVersionPerDayForDays", DefaultValue = 30)]
+        public int KeepLatestVersionPerDayForDays => (int)this["keepLatestVersionPerDayForDays"];
+    }
+}

src/Umbraco.Core/Configuration/UmbracoSettings/IContentSection.cs

@@ -25,6 +25,8 @@ public interface IContentSection : IUmbracoConfigurationSection
 
         IEnumerable<string> AllowedUploadFiles { get; }
 
+        IContentVersionCleanupPolicySettings ContentVersionCleanupPolicySettings { get; }
+
         /// <summary>
         /// Gets a value indicating whether to show deprecated property editors in
         /// a datatype list of available editors.

src/Umbraco.Core/Configuration/UmbracoSettings/IContentVersionCleanupPolicySettings.cs

@@ -0,0 +1,9 @@
+namespace Umbraco.Core.Configuration.UmbracoSettings
+{
+    public interface IContentVersionCleanupPolicySettings
+    {
+        bool EnableCleanup { get; }
+        int KeepAllVersionsNewerThanDays { get; }
+        int KeepLatestVersionPerDayForDays { get; }
+    }
+}

src/Umbraco.Core/Umbraco.Core.csproj

@@ -130,6 +130,8 @@
     <Compile Include="AssemblyExtensions.cs" />
     <Compile Include="Collections\StackQueue.cs" />
     <Compile Include="Configuration\ICoreDebug.cs" />
+    <Compile Include="Configuration\UmbracoSettings\ContentVersionCleanupPolicyElement.cs" />
+    <Compile Include="Configuration\UmbracoSettings\IContentVersionCleanupPolicySettings.cs" />
     <Compile Include="Constants-CharArrays.cs" />
     <Compile Include="Collections\EventClearingObservableCollection.cs" />
     <Compile Include="Constants-Sql.cs" />

src/Umbraco.Web.UI/config/umbracoSettings.Release.config

@@ -190,6 +190,8 @@
 
     <!-- You can specify your own logo for the login screen here. This path is relative to the ~/umbraco path. The default location is: /umbraco/assets/img/application/umbraco_logo_white.svg -->
     <loginLogoImage>assets/img/application/umbraco_logo_white.svg</loginLogoImage>
+
+    <contentVersionCleanupPolicy enable="true" keepAllVersionsNewerThanDays="2" keepLatestVersionPerDayForDays="30" />
   </content>
 
   <security>