Big refactor or PublishedSnapshotService to split up so that there's a service and repository responsible for the data querying and persistence

src/Umbraco.PublishedCache.NuCache/Persistence/INuCacheContentService.cs

@@ -0,0 +1,96 @@
+using System.Collections.Generic;
+using Umbraco.Core.Models;
+using Umbraco.Web.PublishedCache.NuCache;
+
+namespace Umbraco.Infrastructure.PublishedCache.Persistence
+{
+    /// <summary>
+    /// Defines a data source for NuCache.
+    /// </summary>
+    public interface INuCacheContentService
+    {
+        // TODO: For these required sort orders, would sorting on Path 'just work'?
+        ContentNodeKit GetContentSource(int id);
+
+        /// <summary>
+        /// Returns all content ordered by level + sortOrder
+        /// </summary>
+        /// <remarks>
+        /// MUST be ordered by level + parentId + sortOrder!
+        /// </remarks>
+        IEnumerable<ContentNodeKit> GetAllContentSources();
+
+        /// <summary>
+        /// Returns branch for content ordered by level + sortOrder
+        /// </summary>
+        /// <remarks>
+        /// MUST be ordered by level + parentId + sortOrder!
+        /// </remarks>
+        IEnumerable<ContentNodeKit> GetBranchContentSources(int id);
+
+        /// <summary>
+        /// Returns content by Ids ordered by level + sortOrder
+        /// </summary>
+        /// <remarks>
+        /// MUST be ordered by level + parentId + sortOrder!
+        /// </remarks>
+        IEnumerable<ContentNodeKit> GetTypeContentSources(IEnumerable<int> ids);
+
+        ContentNodeKit GetMediaSource(int id);
+
+        /// <summary>
+        /// Returns all media ordered by level + sortOrder
+        /// </summary>
+        /// <remarks>
+        /// MUST be ordered by level + parentId + sortOrder!
+        /// </remarks>
+        IEnumerable<ContentNodeKit> GetAllMediaSources();
+
+        /// <summary>
+        /// Returns branch for media ordered by level + sortOrder
+        /// </summary>
+        /// <remarks>
+        /// MUST be ordered by level + parentId + sortOrder!
+        /// </remarks>
+        IEnumerable<ContentNodeKit> GetBranchMediaSources(int id); // must order by level, sortOrder
+
+        /// <summary>
+        /// Returns media by Ids ordered by level + sortOrder
+        /// </summary>
+        /// <remarks>
+        /// MUST be ordered by level + parentId + sortOrder!
+        /// </remarks>
+        IEnumerable<ContentNodeKit> GetTypeMediaSources(IEnumerable<int> ids);
+
+        void DeleteContentItem(IContentBase item);
+
+        /// <summary>
+        /// Refreshes the nucache database row for the <see cref="IContent"/>
+        /// </summary>
+        void RefreshContent(IContent content);
+
+        /// <summary>
+        /// Refreshes the nucache database row for the <see cref="IContentBase"/> (used for media/members)
+        /// </summary>
+        void RefreshEntity(IContentBase content);
+
+        /// <summary>
+        /// Rebuilds the caches for content, media and/or members based on the content type ids specified
+        /// </summary>
+        /// <param name="groupSize">The operation batch size to process the items</param>
+        /// <param name="contentTypeIds">If not null will process content for the matching content types, if empty will process all content</param>
+        /// <param name="mediaTypeIds">If not null will process content for the matching media types, if empty will process all media</param>
+        /// <param name="memberTypeIds">If not null will process content for the matching members types, if empty will process all members</param>
+        void Rebuild(
+            int groupSize = 5000,
+            IReadOnlyCollection<int> contentTypeIds = null,
+            IReadOnlyCollection<int> mediaTypeIds = null,
+            IReadOnlyCollection<int> memberTypeIds = null);
+
+        bool VerifyContentDbCache();
+
+        bool VerifyMediaDbCache();
+
+        bool VerifyMemberDbCache();
+    }
+}