Change API Version from V3 to V1

src/Lidarr.Api.V1/Artist/ArtistLookupModule.cs

@@ -0,0 +1,45 @@
+using System.Collections.Generic;
+using System.Linq;
+using Nancy;
+using NzbDrone.Core.MediaCover;
+using NzbDrone.Core.MetadataSource;
+using Lidarr.Http;
+using Lidarr.Http.Extensions;
+
+namespace Lidarr.Api.V1.Artist
+{
+    public class ArtistLookupModule : LidarrRestModule<ArtistResource>
+    {
+        private readonly ISearchForNewArtist _searchProxy;
+
+        public ArtistLookupModule(ISearchForNewArtist searchProxy)
+            : base("/artist/lookup")
+        {
+            _searchProxy = searchProxy;
+            Get["/"] = x => Search();
+        }
+
+
+        private Response Search()
+        {
+            var tvDbResults = _searchProxy.SearchForNewArtist((string)Request.Query.term);
+            return MapToResource(tvDbResults).AsResponse();
+        }
+
+
+        private static IEnumerable<ArtistResource> MapToResource(IEnumerable<NzbDrone.Core.Music.Artist> artist)
+        {
+            foreach (var currentArtist in artist)
+            {
+                var resource = currentArtist.ToResource();
+                var poster = currentArtist.Images.FirstOrDefault(c => c.CoverType == MediaCoverTypes.Poster);
+                if (poster != null)
+                {
+                    resource.RemotePoster = poster.Url;
+                }
+
+                yield return resource;
+            }
+        }
+    }
+}