Incomplete implementation of agents
This commit is contained in:
Deluan
@@ -0,0 +1,262 @@
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package core
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import (
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"context"
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"strings"
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"sync"
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"time"
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"github.com/Masterminds/squirrel"
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"github.com/navidrome/navidrome/conf"
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"github.com/navidrome/navidrome/core/agents"
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"github.com/navidrome/navidrome/core/lastfm"
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"github.com/navidrome/navidrome/core/spotify"
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"github.com/navidrome/navidrome/log"
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"github.com/navidrome/navidrome/model"
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)
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type externalInfo2 struct {
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ds model.DataStore
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}
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func NewExternalInfo2(ds model.DataStore, lfm *lastfm.Client, spf *spotify.Client) ExternalInfo {
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return &externalInfo2{ds: ds}
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}
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func (e *externalInfo2) initAgents(ctx context.Context) []agents.Interface {
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order := strings.Split(conf.Server.Agents, ",")
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var res []agents.Interface
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for _, name := range order {
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init, ok := agents.Map[name]
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if !ok {
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log.Error(ctx, "Agent not available. Check configuration", "name", name)
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continue
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}
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res = append(res, init(ctx))
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}
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return res
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}
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func (e *externalInfo2) getArtist(ctx context.Context, id string) (*model.Artist, error) {
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var entity interface{}
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entity, err := GetEntityByID(ctx, e.ds, id)
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if err != nil {
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return nil, err
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}
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switch v := entity.(type) {
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case *model.Artist:
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return v, nil
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case *model.MediaFile:
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return e.ds.Artist(ctx).Get(v.ArtistID)
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case *model.Album:
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return e.ds.Artist(ctx).Get(v.AlbumArtistID)
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}
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return nil, model.ErrNotFound
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}
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func (e *externalInfo2) UpdateArtistInfo(ctx context.Context, id string, similarCount int, includeNotPresent bool) (*model.Artist, error) {
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allAgents := e.initAgents(ctx)
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artist, err := e.getArtist(ctx, id)
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if err != nil {
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return nil, err
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}
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// TODO Uncomment
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// If we have updated info, just return it
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//if time.Since(artist.ExternalInfoUpdatedAt) < consts.ArtistInfoTimeToLive {
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// log.Debug("Found cached ArtistInfo", "updatedAt", artist.ExternalInfoUpdatedAt, "name", artist.Name)
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// err := e.loadSimilar(ctx, artist, includeNotPresent)
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// return artist, err
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//}
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log.Debug("ArtistInfo not cached", "updatedAt", artist.ExternalInfoUpdatedAt, "id", id)
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wg := sync.WaitGroup{}
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e.callGetMBID(ctx, allAgents, artist, &wg)
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e.callGetBiography(ctx, allAgents, artist, &wg)
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e.callGetURL(ctx, allAgents, artist, &wg)
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e.callGetSimilar(ctx, allAgents, artist, similarCount, &wg)
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// TODO Images
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wg.Wait()
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artist.ExternalInfoUpdatedAt = time.Now()
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err = e.ds.Artist(ctx).Put(artist)
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if err != nil {
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log.Error(ctx, "Error trying to update artistImageUrl", "id", id, err)
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}
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if !includeNotPresent {
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similar := artist.SimilarArtists
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artist.SimilarArtists = nil
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for _, s := range similar {
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if s.ID == unavailableArtistID {
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continue
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}
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artist.SimilarArtists = append(artist.SimilarArtists, s)
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}
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}
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log.Trace(ctx, "ArtistInfo collected", "artist", artist)
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return artist, nil
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}
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func (e *externalInfo2) SimilarSongs(ctx context.Context, id string, count int) (model.MediaFiles, error) {
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return nil, nil
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}
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func (e *externalInfo2) TopSongs(ctx context.Context, artistName string, count int) (model.MediaFiles, error) {
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return nil, nil
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}
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func (e *externalInfo2) callGetMBID(ctx context.Context, allAgents []agents.Interface, artist *model.Artist, wg *sync.WaitGroup) {
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wg.Add(1)
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go func() {
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defer wg.Done()
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for _, a := range allAgents {
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agent, ok := a.(agents.ArtistMBIDRetriever)
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if !ok {
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continue
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}
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mbid, err := agent.GetMBID(artist.Name)
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if mbid != "" && err == nil {
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artist.MbzArtistID = mbid
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}
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}
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}()
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}
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func (e *externalInfo2) callGetURL(ctx context.Context, allAgents []agents.Interface, artist *model.Artist, wg *sync.WaitGroup) {
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wg.Add(1)
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go func() {
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defer wg.Done()
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for _, a := range allAgents {
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agent, ok := a.(agents.ArtistURLRetriever)
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if !ok {
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continue
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}
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url, err := agent.GetURL(artist.Name, artist.MbzArtistID)
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if url != "" && err == nil {
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artist.ExternalUrl = url
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}
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}
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}()
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}
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func (e *externalInfo2) callGetBiography(ctx context.Context, allAgents []agents.Interface, artist *model.Artist, wg *sync.WaitGroup) {
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wg.Add(1)
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go func() {
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defer wg.Done()
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for _, a := range allAgents {
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agent, ok := a.(agents.ArtistBiographyRetriever)
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if !ok {
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continue
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}
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bio, err := agent.GetBiography(artist.Name, artist.MbzArtistID)
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if bio != "" && err == nil {
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artist.Biography = bio
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}
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}
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}()
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}
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func (e *externalInfo2) callGetSimilar(ctx context.Context, allAgents []agents.Interface, artist *model.Artist, limit int, wg *sync.WaitGroup) {
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wg.Add(1)
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go func() {
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defer wg.Done()
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for _, a := range allAgents {
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agent, ok := a.(agents.ArtistSimilarRetriever)
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if !ok {
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continue
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}
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similar, err := agent.GetSimilar(artist.Name, artist.MbzArtistID, limit)
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if len(similar) == 0 || err != nil {
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continue
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}
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sa, err := e.mapSimilarArtists(ctx, similar, true)
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if err != nil {
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continue
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}
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artist.SimilarArtists = sa
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}
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}()
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}
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func (e *externalInfo2) mapSimilarArtists(ctx context.Context, similar []agents.Artist, includeNotPresent bool) (model.Artists, error) {
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var result model.Artists
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var notPresent []string
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// First select artists that are present.
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for _, s := range similar {
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sa, err := e.findArtistByName(ctx, s.Name)
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if err != nil {
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notPresent = append(notPresent, s.Name)
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continue
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}
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result = append(result, *sa)
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}
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// Then fill up with non-present artists
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if includeNotPresent {
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for _, s := range notPresent {
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sa := model.Artist{ID: unavailableArtistID, Name: s}
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result = append(result, sa)
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}
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}
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return result, nil
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}
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func (e *externalInfo2) findArtistByName(ctx context.Context, artistName string) (*model.Artist, error) {
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artists, err := e.ds.Artist(ctx).GetAll(model.QueryOptions{
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Filters: squirrel.Like{"name": artistName},
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Max: 1,
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})
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if err != nil {
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return nil, err
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}
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if len(artists) == 0 {
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return nil, model.ErrNotFound
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}
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return &artists[0], nil
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}
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func (e *externalInfo2) loadSimilar(ctx context.Context, artist *model.Artist, includeNotPresent bool) error {
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var ids []string
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for _, sa := range artist.SimilarArtists {
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if sa.ID == unavailableArtistID {
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continue
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}
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ids = append(ids, sa.ID)
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}
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similar, err := e.ds.Artist(ctx).GetAll(model.QueryOptions{
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Filters: squirrel.Eq{"id": ids},
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})
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if err != nil {
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return err
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}
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// Use a map and iterate through original array, to keep the same order
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artistMap := make(map[string]model.Artist)
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for _, sa := range similar {
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artistMap[sa.ID] = sa
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}
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var loaded model.Artists
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for _, sa := range artist.SimilarArtists {
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la, ok := artistMap[sa.ID]
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if !ok {
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if !includeNotPresent {
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continue
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}
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la = sa
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la.ID = unavailableArtistID
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}
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loaded = append(loaded, la)
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}
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artist.SimilarArtists = loaded
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return nil
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}
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