misc: Move Jellyfin Artist iterator to separate file

backend/mediaprovider/jellyfin/artistiterator.go

@@ -0,0 +1,55 @@
+package jellyfin
+
+import (
+	"github.com/dweymouth/go-jellyfin"
+	"github.com/dweymouth/supersonic/backend/mediaprovider"
+	"github.com/dweymouth/supersonic/backend/mediaprovider/helpers"
+	"github.com/dweymouth/supersonic/sharedutil"
+)
+
+const (
+	ArtistSortNameAZ string = "Name (A-Z)"
+)
+
+func (j *jellyfinMediaProvider) ArtistSortOrders() []string {
+	return []string{
+		ArtistSortNameAZ,
+	}
+}
+
+func (j *jellyfinMediaProvider) IterateArtists(sortOrder string, filter mediaprovider.ArtistFilter) mediaprovider.ArtistIterator {
+	var jfSort jellyfin.Sort
+
+	if sortOrder == "" {
+		sortOrder = ArtistSortNameAZ // default
+	}
+	switch sortOrder {
+	case ArtistSortNameAZ:
+		jfSort.Field = jellyfin.SortByName
+		jfSort.Mode = jellyfin.SortAsc
+	}
+
+	fetcher := func(offs, limit int) ([]*mediaprovider.Artist, error) {
+		ar, err := j.client.GetAlbumArtists(jellyfin.QueryOpts{
+			Sort:   jfSort,
+			Paging: jellyfin.Paging{StartIndex: offs, Limit: limit},
+		})
+		if err != nil {
+			return nil, err
+		}
+		return sharedutil.MapSlice(ar, toArtist), nil
+	}
+
+	return helpers.NewArtistIterator(fetcher, filter, j.prefetchCoverCB)
+}
+
+func (j *jellyfinMediaProvider) SearchArtists(searchQuery string, filter mediaprovider.ArtistFilter) mediaprovider.ArtistIterator {
+	fetcher := func(offs, limit int) ([]*mediaprovider.Artist, error) {
+		sr, err := j.client.Search(searchQuery, jellyfin.TypeArtist, jellyfin.Paging{StartIndex: offs, Limit: limit})
+		if err != nil {
+			return nil, err
+		}
+		return sharedutil.MapSlice(sr.Artists, toArtist), nil
+	}
+	return helpers.NewArtistIterator(fetcher, filter, j.prefetchCoverCB)
+}

backend/mediaprovider/jellyfin/iterators.go

@@ -16,8 +16,6 @@ const (
 	AlbumSortArtistAZ       string = "Artist (A-Z)"
 	AlbumSortYearAscending  string = "Year (ascending)"
 	AlbumSortYearDescending string = "Year (descending)"
-
-	ArtistSortNameAZ string = "Name (A-Z)"
 )
 
 func (j *jellyfinMediaProvider) AlbumSortOrders() []string {
@@ -31,12 +29,6 @@ func (j *jellyfinMediaProvider) AlbumSortOrders() []string {
 	}
 }
 
-func (j *jellyfinMediaProvider) ArtistSortOrders() []string {
-	return []string{
-		ArtistSortNameAZ,
-	}
-}
-
 func (j *jellyfinMediaProvider) IterateAlbums(sortOrder string, filter mediaprovider.AlbumFilter) mediaprovider.AlbumIterator {
 	var jfSort jellyfin.Sort
 	switch sortOrder {
@@ -124,43 +116,6 @@ func (j *jellyfinMediaProvider) IterateTracks(searchQuery string) mediaprovider.
 	return helpers.NewTrackIterator(fetcher, j.prefetchCoverCB)
 }
 
-func (j *jellyfinMediaProvider) IterateArtists(sortOrder string, filter mediaprovider.ArtistFilter) mediaprovider.ArtistIterator {
-	var jfSort jellyfin.Sort
-
-	if sortOrder == "" {
-		sortOrder = ArtistSortNameAZ // default
-	}
-	switch sortOrder {
-	case ArtistSortNameAZ:
-		jfSort.Field = jellyfin.SortByName
-		jfSort.Mode = jellyfin.SortAsc
-	}
-
-	fetcher := func(offs, limit int) ([]*mediaprovider.Artist, error) {
-		ar, err := j.client.GetAlbumArtists(jellyfin.QueryOpts{
-			Sort:   jfSort,
-			Paging: jellyfin.Paging{StartIndex: offs, Limit: limit},
-		})
-		if err != nil {
-			return nil, err
-		}
-		return sharedutil.MapSlice(ar, toArtist), nil
-	}
-
-	return helpers.NewArtistIterator(fetcher, filter, j.prefetchCoverCB)
-}
-
-func (j *jellyfinMediaProvider) SearchArtists(searchQuery string, filter mediaprovider.ArtistFilter) mediaprovider.ArtistIterator {
-	fetcher := func(offs, limit int) ([]*mediaprovider.Artist, error) {
-		sr, err := j.client.Search(searchQuery, jellyfin.TypeArtist, jellyfin.Paging{StartIndex: offs, Limit: limit})
-		if err != nil {
-			return nil, err
-		}
-		return sharedutil.MapSlice(sr.Artists, toArtist), nil
-	}
-	return helpers.NewArtistIterator(fetcher, filter, j.prefetchCoverCB)
-}
-
 // Creates the Jellyfin filter to implement the given mediaprovider filter,
 // and returns a modified mediaprovider filter, with now-unneeded fields zeroed out.
 func jfFilterFromFilter(filter mediaprovider.AlbumFilter) (jellyfin.Filter, mediaprovider.AlbumFilter) {