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.isrc finder fallback

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This commit is contained in:
afkarxyz
2026-04-02 12:11:56 +07:00
parent 4b3bf1cf48
commit 460405a437
2 changed files with 130 additions and 17 deletions
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backend/isrc_finder.go
+35 -17
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@@ -87,14 +87,7 @@ func (s *SongLinkClient) lookupSpotifyISRC(spotifyTrackID string) (string, error
isrc, resolvedTrackID, err := s.lookupSpotifyISRCViaSpotFetchAPI(normalizedTrackID, spotFetchAPIURL)
if err == nil && isrc != "" {
fmt.Printf("Found ISRC via SpotFetch API: %s\n", isrc)
if err := PutCachedISRC(normalizedTrackID, isrc); err != nil {
fmt.Printf("Warning: failed to write ISRC cache: %v\n", err)
}
if resolvedTrackID != "" && resolvedTrackID != normalizedTrackID {
if err := PutCachedISRC(resolvedTrackID, isrc); err != nil {
fmt.Printf("Warning: failed to write ISRC cache for resolved track ID: %v\n", err)
}
}
cacheResolvedSpotifyTrackISRC(normalizedTrackID, resolvedTrackID, isrc)
return isrc, nil
}
if err != nil {
@@ -102,21 +95,46 @@ func (s *SongLinkClient) lookupSpotifyISRC(spotifyTrackID string) (string, error
}
}
payload, err := fetchSpotifyTrackRawData(s.client, normalizedTrackID)
if err != nil {
return "", err
payload, metadataErr := fetchSpotifyTrackRawData(s.client, normalizedTrackID)
if metadataErr == nil {
isrc, extractErr := extractSpotifyTrackISRC(payload)
if extractErr == nil {
fmt.Printf("Found ISRC via Spotify metadata: %s\n", isrc)
cacheResolvedSpotifyTrackISRC(normalizedTrackID, "", isrc)
return isrc, nil
}
metadataErr = extractErr
}
isrc, err := extractSpotifyTrackISRC(payload)
if err != nil {
return "", err
if metadataErr != nil {
fmt.Printf("Warning: Spotify metadata ISRC lookup failed, falling back to Soundplate: %v\n", metadataErr)
}
fmt.Printf("Found ISRC via Spotify metadata: %s\n", isrc)
if err := PutCachedISRC(normalizedTrackID, isrc); err != nil {
isrc, resolvedTrackID, soundplateErr := s.lookupSpotifyISRCViaSoundplate(normalizedTrackID)
if soundplateErr == nil && isrc != "" {
fmt.Printf("Found ISRC via Soundplate: %s\n", isrc)
cacheResolvedSpotifyTrackISRC(normalizedTrackID, resolvedTrackID, isrc)
return isrc, nil
}
if metadataErr != nil && soundplateErr != nil {
return "", fmt.Errorf("spotify metadata lookup failed: %v | soundplate lookup failed: %w", metadataErr, soundplateErr)
}
if soundplateErr != nil {
return "", soundplateErr
}
return "", metadataErr
}
func cacheResolvedSpotifyTrackISRC(trackID string, resolvedTrackID string, isrc string) {
if err := PutCachedISRC(trackID, isrc); err != nil {
fmt.Printf("Warning: failed to write ISRC cache: %v\n", err)
}
return isrc, nil
if resolvedTrackID != "" && resolvedTrackID != trackID {
if err := PutCachedISRC(resolvedTrackID, isrc); err != nil {
fmt.Printf("Warning: failed to write ISRC cache for resolved track ID: %v\n", err)
}
}
}
func (s *SongLinkClient) lookupSpotifyISRCViaSpotFetchAPI(spotifyTrackID string, apiBaseURL string) (string, string, error) {