Renamed the project to Umbraco.PublishedCache.NuCache - and move non NuCache related stuff to abstractions and infrastructure.

src/Umbraco.PublishedCache.NuCache/DomainCache.cs

@@ -0,0 +1,50 @@
+using System.Collections.Generic;
+using System.Linq;
+using Umbraco.Web.Routing;
+
+namespace Umbraco.Web.PublishedCache.NuCache
+{
+    /// <summary>
+    /// Implements <see cref="IDomainCache"/> for NuCache.
+    /// </summary>
+    internal class DomainCache : IDomainCache
+    {
+        private readonly SnapDictionary<int, Domain>.Snapshot _snapshot;
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="DomainCache"/> class.
+        /// </summary>
+        public DomainCache(SnapDictionary<int, Domain>.Snapshot snapshot, string defaultCulture)
+        {
+            _snapshot = snapshot;
+            DefaultCulture = defaultCulture;
+        }
+
+        /// <inheritdoc />
+        public IEnumerable<Domain> GetAll(bool includeWildcards)
+        {
+            var list = _snapshot.GetAll();
+            if (includeWildcards == false) list = list.Where(x => x.IsWildcard == false);
+            return list;
+        }
+
+        /// <inheritdoc />
+        public IEnumerable<Domain> GetAssigned(int documentId, bool includeWildcards = false)
+        {
+            // probably this could be optimized with an index
+            // but then we'd need a custom DomainStore of some sort
+
+            var list = _snapshot.GetAll();
+            list = list.Where(x => x.ContentId == documentId);
+            if (includeWildcards == false) list = list.Where(x => x.IsWildcard == false);
+            return list;
+        }
+
+        /// <inheritdoc />
+        public bool HasAssigned(int documentId, bool includeWildcards = false)
+            => documentId > 0 && GetAssigned(documentId, includeWildcards).Any();
+
+        /// <inheritdoc />
+        public string DefaultCulture { get; }
+    }
+}