Add album/track releases with audio analysis, AnalyzeAlbumRelease RPC, Docker path auto-resolution, release parsing decision tree

internal/database/track_release_repository.go

@@ -0,0 +1,79 @@
+package database
+
+import (
+	"context"
+	"fmt"
+	"time"
+
+	"github.com/jackc/pgx/v5/pgxpool"
+)
+
+type TrackRelease struct {
+	ID             string
+	AlbumReleaseID string
+	TrackID        *string
+	DownloadFileID *string
+	Title          string
+	TrackNumber    int
+	DiscNumber     int
+	DurationMs     *int
+	Format         string
+	BitDepth       *int
+	SampleRate     *int
+	Channels       int
+	BitrateKbps    *int
+	FileSize       int64
+	FilePath       string
+	CreatedAt      time.Time
+}
+
+type TrackReleaseRepository struct {
+	pool *pgxpool.Pool
+}
+
+func NewTrackReleaseRepository(pool *pgxpool.Pool) *TrackReleaseRepository {
+	return &TrackReleaseRepository{pool: pool}
+}
+
+func (r *TrackReleaseRepository) Create(ctx context.Context, tr *TrackRelease) error {
+	err := r.pool.QueryRow(ctx,
+		`INSERT INTO track_releases (album_release_id, track_id, download_file_id, title, track_number, disc_number, duration_ms, format, bit_depth, sample_rate, channels, bitrate_kbps, file_size, file_path)
+		 VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10, $11, $12, $13, $14)
+		 RETURNING id, created_at`,
+		tr.AlbumReleaseID, tr.TrackID, tr.DownloadFileID, tr.Title, tr.TrackNumber, tr.DiscNumber, tr.DurationMs, tr.Format, tr.BitDepth, tr.SampleRate, tr.Channels, tr.BitrateKbps, tr.FileSize, tr.FilePath,
+	).Scan(&tr.ID, &tr.CreatedAt)
+	if err != nil {
+		return fmt.Errorf("creating track release: %w", err)
+	}
+	return nil
+}
+
+func (r *TrackReleaseRepository) CreateBatch(ctx context.Context, tracks []*TrackRelease) error {
+	for _, tr := range tracks {
+		if err := r.Create(ctx, tr); err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+func (r *TrackReleaseRepository) GetByAlbumReleaseID(ctx context.Context, albumReleaseID string) ([]*TrackRelease, error) {
+	rows, err := r.pool.Query(ctx,
+		`SELECT id, album_release_id, track_id, download_file_id, title, track_number, disc_number, duration_ms, format, bit_depth, sample_rate, channels, bitrate_kbps, file_size, file_path, created_at
+		 FROM track_releases WHERE album_release_id = $1 ORDER BY disc_number, track_number`, albumReleaseID,
+	)
+	if err != nil {
+		return nil, fmt.Errorf("listing track releases: %w", err)
+	}
+	defer rows.Close()
+
+	var tracks []*TrackRelease
+	for rows.Next() {
+		tr := &TrackRelease{}
+		if err := rows.Scan(&tr.ID, &tr.AlbumReleaseID, &tr.TrackID, &tr.DownloadFileID, &tr.Title, &tr.TrackNumber, &tr.DiscNumber, &tr.DurationMs, &tr.Format, &tr.BitDepth, &tr.SampleRate, &tr.Channels, &tr.BitrateKbps, &tr.FileSize, &tr.FilePath, &tr.CreatedAt); err != nil {
+			return nil, fmt.Errorf("scanning track release: %w", err)
+		}
+		tracks = append(tracks, tr)
+	}
+	return tracks, nil
+}