Fixed: Correctly page through Spotify followed artists

src/NzbDrone.Core.Test/ImportListTests/Spotify/SpotifyFollowedArtistsFixture.cs

@@ -132,8 +132,8 @@ namespace NzbDrone.Core.Test.ImportListTests
             Mocker.GetMock<ISpotifyProxy>()
                 .Setup(x => x.GetNextPage(It.IsAny<SpotifyFollowedArtists>(),
                                           It.IsAny<SpotifyWebAPI>(),
-                                          It.IsAny<CursorPaging<FullArtist>>()))
-                .Returns(default(CursorPaging<FullArtist>));
+                                          It.IsAny<FollowedArtists>()))
+                .Returns(default(FollowedArtists));
 
             var result = Subject.Fetch(api);
 
@@ -142,7 +142,7 @@ namespace NzbDrone.Core.Test.ImportListTests
             Mocker.GetMock<ISpotifyProxy>()
                 .Verify(v => v.GetNextPage(It.IsAny<SpotifyFollowedArtists>(),
                                            It.IsAny<SpotifyWebAPI>(),
-                                           It.IsAny<CursorPaging<FullArtist>>()),
+                                           It.IsAny<FollowedArtists>()),
                         Times.Once());
         }
 

src/NzbDrone.Core/ImportLists/Spotify/SpotifyFollowedArtists.cs

@@ -54,7 +54,8 @@ namespace NzbDrone.Core.ImportLists.Spotify
                     break;
                 }
 
-                artists = _spotifyProxy.GetNextPage(this, api, artists);
+                followedArtists = _spotifyProxy.GetNextPage(this, api, followedArtists);
+                artists = followedArtists?.Artists;
             }
 
             return result;

src/NzbDrone.Core/ImportLists/Spotify/SpotifyProxy.cs

@@ -20,7 +20,7 @@ namespace NzbDrone.Core.ImportLists.Spotify
             where TSettings : SpotifySettingsBase<TSettings>, new();
         Paging<T> GetNextPage<T, TSettings>(SpotifyImportListBase<TSettings> list, SpotifyWebAPI api, Paging<T> item)
             where TSettings : SpotifySettingsBase<TSettings>, new();
-        CursorPaging<T> GetNextPage<T, TSettings>(SpotifyImportListBase<TSettings> list, SpotifyWebAPI api, CursorPaging<T> item)
+        FollowedArtists GetNextPage<TSettings>(SpotifyImportListBase<TSettings> list, SpotifyWebAPI api, FollowedArtists item)
             where TSettings : SpotifySettingsBase<TSettings>, new();
     }
 
@@ -48,7 +48,7 @@ namespace NzbDrone.Core.ImportLists.Spotify
         public FollowedArtists GetFollowedArtists<TSettings>(SpotifyImportListBase<TSettings> list, SpotifyWebAPI api)
             where TSettings : SpotifySettingsBase<TSettings>, new()
         {
-            return Execute(list, api, x => x.GetFollowedArtists(FollowType.Artist));
+            return Execute(list, api, x => x.GetFollowedArtists(FollowType.Artist, 50));
         }
 
         public Paging<SavedAlbum> GetSavedAlbums<TSettings>(SpotifyImportListBase<TSettings> list, SpotifyWebAPI api)
@@ -69,10 +69,10 @@ namespace NzbDrone.Core.ImportLists.Spotify
             return Execute(list, api, (x) => x.GetNextPage(item));
         }
 
-        public CursorPaging<T> GetNextPage<T, TSettings>(SpotifyImportListBase<TSettings> list, SpotifyWebAPI api, CursorPaging<T> item)
+        public FollowedArtists GetNextPage<TSettings>(SpotifyImportListBase<TSettings> list, SpotifyWebAPI api, FollowedArtists item)
             where TSettings : SpotifySettingsBase<TSettings>, new()
         {
-            return Execute(list, api, (x) => x.GetNextPage(item));
+            return Execute(list, api, (x) => x.GetNextPage<FollowedArtists, FullArtist>(item.Artists));
         }
 
         public T Execute<T, TSettings>(SpotifyImportListBase<TSettings> list, SpotifyWebAPI api, Func<SpotifyWebAPI, T> method, bool allowReauth = true)