CalvinBackup/SpotiFLAC-Mobile
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chore: cleanup unused code and dead imports

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This commit is contained in:
zarzet
2026-01-20 02:10:10 +07:00
parent 8e9d0c3e9a
commit 03027813c1
62 changed files with 213 additions and 1326 deletions
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go_backend/parallel.go
+2 -38
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@@ -6,11 +6,6 @@ import (
"time"
)
// ========================================
// ISRC to Track ID Cache
// ========================================
// TrackIDCacheEntry holds cached track ID with metadata
type TrackIDCacheEntry struct {
TidalTrackID int64
QobuzTrackID int64
@@ -18,7 +13,6 @@ type TrackIDCacheEntry struct {
ExpiresAt time.Time
}
// TrackIDCache caches ISRC to track ID mappings
type TrackIDCache struct {
cache map[string]*TrackIDCacheEntry
mu sync.RWMutex
@@ -30,7 +24,6 @@ var (
trackIDCacheOnce sync.Once
)
// GetTrackIDCache returns the global track ID cache
func GetTrackIDCache() *TrackIDCache {
trackIDCacheOnce.Do(func() {
globalTrackIDCache = &TrackIDCache{
@@ -41,7 +34,6 @@ func GetTrackIDCache() *TrackIDCache {
return globalTrackIDCache
}
// Get retrieves a cached entry by ISRC
func (c *TrackIDCache) Get(isrc string) *TrackIDCacheEntry {
c.mu.RLock()
defer c.mu.RUnlock()
@@ -53,7 +45,6 @@ func (c *TrackIDCache) Get(isrc string) *TrackIDCacheEntry {
return entry
}
// SetTidal caches Tidal track ID for an ISRC
func (c *TrackIDCache) SetTidal(isrc string, trackID int64) {
c.mu.Lock()
defer c.mu.Unlock()
@@ -67,7 +58,6 @@ func (c *TrackIDCache) SetTidal(isrc string, trackID int64) {
entry.ExpiresAt = time.Now().Add(c.ttl)
}
// SetQobuz caches Qobuz track ID for an ISRC
func (c *TrackIDCache) SetQobuz(isrc string, trackID int64) {
c.mu.Lock()
defer c.mu.Unlock()
@@ -81,7 +71,6 @@ func (c *TrackIDCache) SetQobuz(isrc string, trackID int64) {
entry.ExpiresAt = time.Now().Add(c.ttl)
}
// SetAmazon caches Amazon track ID for an ISRC
func (c *TrackIDCache) SetAmazon(isrc string, trackID string) {
c.mu.Lock()
defer c.mu.Unlock()
@@ -95,24 +84,18 @@ func (c *TrackIDCache) SetAmazon(isrc string, trackID string) {
entry.ExpiresAt = time.Now().Add(c.ttl)
}
// Clear removes all cached entries
func (c *TrackIDCache) Clear() {
c.mu.Lock()
defer c.mu.Unlock()
c.cache = make(map[string]*TrackIDCacheEntry)
}
// Size returns the number of cached entries
func (c *TrackIDCache) Size() int {
c.mu.RLock()
defer c.mu.RUnlock()
return len(c.cache)
}
// ========================================
// Parallel Download Helper
// ========================================
// ParallelDownloadResult holds results from parallel operations
type ParallelDownloadResult struct {
CoverData []byte
@@ -122,9 +105,6 @@ type ParallelDownloadResult struct {
LyricsErr error
}
// FetchCoverAndLyricsParallel downloads cover and fetches lyrics in parallel
// This runs while the main audio download is happening
// durationMs: track duration in milliseconds for lyrics matching
func FetchCoverAndLyricsParallel(
coverURL string,
maxQualityCover bool,
@@ -153,7 +133,6 @@ func FetchCoverAndLyricsParallel(
}()
}
// Fetch lyrics in parallel
if embedLyrics {
wg.Add(1)
go func() {
@@ -180,11 +159,6 @@ func FetchCoverAndLyricsParallel(
return result
}
// ========================================
// Pre-warm Cache for Album/Playlist
// ========================================
// PreWarmCacheRequest represents a track to pre-warm cache for
type PreWarmCacheRequest struct {
ISRC string
TrackName string
@@ -193,8 +167,6 @@ type PreWarmCacheRequest struct {
Service string // "tidal", "qobuz", "amazon"
}
// PreWarmTrackCache pre-fetches track IDs for multiple tracks (for album/playlist)
// This runs in background while user is viewing the track list
func PreWarmTrackCache(requests []PreWarmCacheRequest) {
if len(requests) == 0 {
return
@@ -214,8 +186,8 @@ func PreWarmTrackCache(requests []PreWarmCacheRequest) {
wg.Add(1)
go func(r PreWarmCacheRequest) {
defer wg.Done()
semaphore <- struct{}{} // Acquire
defer func() { <-semaphore }() // Release
semaphore <- struct{}{}
defer func() { <-semaphore }()
switch r.Service {
case "tidal":
@@ -259,12 +231,6 @@ func preWarmAmazonCache(isrc, spotifyID string) {
}
}
// ========================================
// Exported Functions for Flutter
// ========================================
// PreWarmCache is called from Flutter to pre-warm cache for album/playlist tracks
// tracksJSON is a JSON array of {isrc, track_name, artist_name, service}
func PreWarmCache(tracksJSON string) error {
var requests []PreWarmCacheRequest
@@ -272,13 +238,11 @@ func PreWarmCache(tracksJSON string) error {
return nil
}
// ClearTrackCache clears the track ID cache
func ClearTrackCache() {
GetTrackIDCache().Clear()
fmt.Println("[Cache] Track ID cache cleared")
}
// GetCacheSize returns the current cache size
func GetCacheSize() int {
return GetTrackIDCache().Size()
}