Added database migration to support version cleanup feature

src/Umbraco.Core/Migrations/Install/DatabaseSchemaCreator.cs

@@ -85,7 +85,8 @@ public DatabaseSchemaCreator(IUmbracoDatabase database, ILogger logger)
             typeof (AuditEntryDto),
             typeof (ContentVersionCultureVariationDto),
             typeof (DocumentCultureVariationDto),
-            typeof (ContentScheduleDto)
+            typeof (ContentScheduleDto),
+            typeof (ContentVersionCleanupPolicyDto)
         };
 
         /// <summary>

src/Umbraco.Core/Migrations/Upgrade/UmbracoPlan.cs

@@ -11,6 +11,7 @@
 using Umbraco.Core.Migrations.Upgrade.V_8_10_0;
 using Umbraco.Core.Migrations.Upgrade.V_8_15_0;
 using Umbraco.Core.Migrations.Upgrade.V_8_17_0;
+using Umbraco.Core.Migrations.Upgrade.V_8_18_0;
 
 namespace Umbraco.Core.Migrations.Upgrade
 {
@@ -211,6 +212,7 @@ protected void DefinePlan()
             To<AddPropertyTypeGroupColumns>("{153865E9-7332-4C2A-9F9D-F20AEE078EC7}");
 
             //FINAL
+            To<AddContentVersionCleanupFeature>("{8BAF5E6C-DCB7-41AE-824F-4215AE4F1F98}");
         }
     }
 }

src/Umbraco.Core/Migrations/Upgrade/V_8_18_0/AddContentVersionCleanupFeature.cs

@@ -0,0 +1,20 @@
+using System.Linq;
+using Umbraco.Core.Persistence.Dtos;
+
+namespace Umbraco.Core.Migrations.Upgrade.V_8_18_0
+{
+    class AddContentVersionCleanupFeature : MigrationBase
+    {
+        public AddContentVersionCleanupFeature(IMigrationContext context)
+            : base(context) { }
+
+        public override void Migrate()
+        {
+            Create.Table<ContentVersionCleanupPolicyDto>().Do();
+
+            // What's this about, we worry someone else edited table with same change?
+            var columns = SqlSyntax.GetColumnsInSchema(Context.Database).ToList();
+            AddColumnIfNotExists<ContentVersionDto>(columns, "preventCleanup");
+        }
+    }
+}

src/Umbraco.Core/Persistence/Constants-DatabaseSchema.cs

@@ -26,6 +26,8 @@ public static class Tables
                 public const string Content = TableNamePrefix + "Content";
                 public const string ContentVersion = TableNamePrefix + "ContentVersion";
                 public const string ContentVersionCultureVariation = TableNamePrefix + "ContentVersionCultureVariation";
+                public const string ContentVersionCleanupPolicy = TableNamePrefix + "ContentVersionCleanupPolicy";
+
                 public const string Document = TableNamePrefix + "Document";
                 public const string DocumentCultureVariation = TableNamePrefix + "DocumentCultureVariation";
                 public const string DocumentVersion = TableNamePrefix + "DocumentVersion";

src/Umbraco.Core/Persistence/Dtos/ContentVersionCleanupPolicyDto.cs

@@ -0,0 +1,34 @@
+using System;
+using System.Data;
+using NPoco;
+using Umbraco.Core.Persistence.DatabaseAnnotations;
+
+namespace Umbraco.Core.Persistence.Dtos
+{
+    [TableName(TableName)]
+    [PrimaryKey("contentTypeId")]
+    [ExplicitColumns]
+    internal class ContentVersionCleanupPolicyDto
+    {
+        public const string TableName = Constants.DatabaseSchema.Tables.ContentVersionCleanupPolicy;
+
+        [Column("contentTypeId")]
+        [PrimaryKeyColumn(AutoIncrement = false)]
+        [ForeignKey(typeof(ContentTypeDto), Column = "nodeId", OnDelete = Rule.Cascade)]
+        public int ContentTypeId { get; set; }
+
+        [Column("keepAllVersionsNewerThanDays")]
+        [NullSetting(NullSetting = NullSettings.Null)]
+        public int? KeepAllVersionsNewerThanDays { get; set; }
+
+        [Column("keepLatestVersionPerDayForDays")]
+        [NullSetting(NullSetting = NullSettings.Null)]
+        public int? KeepLatestVersionPerDayForDays { get; set; }
+
+        [Column("preventCleanup")]
+        public bool PreventCleanup { get; set; }
+
+        [Column("updated")]
+        public DateTime Updated { get; set; }
+    }
+}

src/Umbraco.Core/Persistence/Dtos/ContentVersionDto.cs

@@ -49,5 +49,9 @@ internal class ContentVersionDto
         [ResultColumn]
         [Reference(ReferenceType.OneToOne, ColumnName = "NodeId", ReferenceMemberName = "NodeId")]
         public ContentDto ContentDto { get; set; }
+
+        [Column("preventCleanup")]
+        [Constraint(Default = "0")]
+        public bool PreventCleanup { get; set; }
     }
 }

src/Umbraco.Core/Umbraco.Core.csproj

@@ -148,6 +148,7 @@
     <Compile Include="Migrations\Upgrade\V_8_15_0\UpgradedIncludeIndexes.cs" />
     <Compile Include="Migrations\Upgrade\V_8_10_0\AddPropertyTypeLabelOnTopColumn.cs" />
     <Compile Include="Migrations\Upgrade\V_8_17_0\AddPropertyTypeGroupColumns.cs" />
+    <Compile Include="Migrations\Upgrade\V_8_18_0\AddContentVersionCleanupFeature.cs" />
     <Compile Include="Migrations\Upgrade\V_8_9_0\ExternalLoginTableUserData.cs" />
     <Compile Include="Models\Blocks\BlockEditorDataConverter.cs" />
     <Compile Include="Models\Blocks\BlockEditorData.cs" />
@@ -174,6 +175,7 @@
     <Compile Include="Persistence\Dtos\ColumnInSchemaDto.cs" />
     <Compile Include="Persistence\Dtos\ConstraintPerColumnDto.cs" />
     <Compile Include="Persistence\Dtos\ConstraintPerTableDto.cs" />
+    <Compile Include="Persistence\Dtos\ContentVersionCleanupPolicyDto.cs" />
     <Compile Include="Persistence\Dtos\DefaultConstraintPerColumnDto.cs" />
     <Compile Include="Persistence\Dtos\UserNotificationDto.cs" />
     <Compile Include="Persistence\Repositories\IInstallationRepository.cs" />