Alexander
117 lines
3.0 KiB
Go
117 lines
3.0 KiB
Go
package metadata
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import (
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"context"
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"fmt"
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"github.com/rs/zerolog/log"
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metadataPb "homelab.lan/music-agregator/gen/metadata/v1"
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"homelab.lan/music-agregator/internal/database"
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)
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type MetadataService struct {
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client metadataPb.MetadataServiceClient
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artists *database.ArtistRepository
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albums *database.AlbumRepository
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}
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func NewMetadataService(client metadataPb.MetadataServiceClient, db *database.DB) *MetadataService {
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return &MetadataService{
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client: client,
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artists: database.NewArtistRepository(db.Pool),
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albums: database.NewAlbumRepository(db.Pool),
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}
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}
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func (s *MetadataService) GetAlbum(ctx context.Context, albumID string) (*metadataPb.Album, error) {
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resp, err := s.client.GetAlbum(ctx, &metadataPb.GetAlbumRequest{
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Identifier: &metadataPb.GetAlbumRequest_Id{Id: albumID},
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})
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if err != nil {
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return nil, fmt.Errorf("fetching album: %w", err)
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}
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album := resp.GetAlbum()
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if _, err := s.albums.GetByExternalID(ctx, album.GetId()); err != nil {
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s.persistArtist(ctx, album)
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s.persistAlbum(ctx, album)
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}
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return album, nil
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}
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func (s *MetadataService) GetArtistByExternalID(ctx context.Context, externalID string) (*database.Artist, error) {
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return s.artists.GetByExternalID(ctx, externalID)
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}
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func (s *MetadataService) GetAlbumByExternalID(ctx context.Context, externalID string) (*database.Album, error) {
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return s.albums.GetByExternalID(ctx, externalID)
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}
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func (s *MetadataService) persistArtist(ctx context.Context, album *metadataPb.Album) {
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if len(album.GetArtists()) == 0 {
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return
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}
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artist := album.GetArtists()[0].GetArtist()
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var genres []string
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for _, g := range artist.GetGenres() {
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genres = append(genres, g.GetName())
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}
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err := s.artists.Create(ctx, &database.Artist{
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ExternalID: artist.GetId(),
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Name: artist.GetName(),
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ArtistType: artist.GetArtistType(),
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Country: artist.GetCountry(),
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Genres: genres,
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ImageURL: artist.GetImageUrl(),
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})
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if err != nil {
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log.Warn().Err(err).Str("name", artist.GetName()).Msg("failed to persist artist")
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}
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}
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func (s *MetadataService) persistAlbum(ctx context.Context, album *metadataPb.Album) {
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artistID := ""
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if len(album.GetArtists()) > 0 {
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a, err := s.artists.GetByExternalID(ctx, album.GetArtists()[0].GetArtist().GetId())
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if err == nil {
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artistID = a.ID
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}
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}
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if artistID == "" {
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log.Trace().Str("album", album.GetTitle()).Msg("skipping album persist, no artist in DB")
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return
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}
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var genres []string
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for _, g := range album.GetGenres() {
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genres = append(genres, g.GetName())
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}
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labelName := ""
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if album.GetLabel() != nil {
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labelName = album.GetLabel().GetName()
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}
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err := s.albums.Create(ctx, &database.Album{
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ExternalID: album.GetId(),
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ArtistID: artistID,
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Title: album.GetTitle(),
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AlbumType: album.GetAlbumType(),
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TotalTracks: int(album.GetTotalTracks()),
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TotalDiscs: int(album.GetTotalDiscs()),
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Label: labelName,
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Genres: genres,
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CoverURL: album.GetCoverUrl(),
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IsMonitored: true,
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})
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if err != nil {
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log.Warn().Err(err).Str("title", album.GetTitle()).Msg("failed to persist album")
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}
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}
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