refactor: simplify codebase (-209 lines)

internal/downloader/skip.go

@@ -7,37 +7,31 @@ import (
 	"github.com/mathismqn/godeez/internal/store"
 )
 
-type SkipError struct {
-	Path string
-}
-
-func (e SkipError) Error() string {
-	return e.Path
-}
-
-func IsSkipError(err error) (string, bool) {
-	if skipErr, ok := err.(SkipError); ok {
-		return skipErr.Path, true
-	}
-	return "", false
-}
-
 func (c *Client) shouldSkipDownload(ctx context.Context, songID, mediaFormat string) (string, bool) {
-	if existing, err := store.GetDownloadInfo(songID); err == nil && existing.Quality == mediaFormat {
-		if fileutil.FileExists(existing.Path) {
-			return existing.Path, true
-		}
-		if existing.Hash != "" {
-			if err := c.initHashIndex(ctx); err == nil {
-				if foundPath, ok := c.hashIndex.Find(existing.Hash); ok {
-					existing.Path = foundPath
-					_ = existing.Save()
-
-					return foundPath, true
-				}
-			}
-		}
+	existing, err := store.GetDownloadInfo(songID)
+	if err != nil || existing.Quality != mediaFormat {
+		return "", false
 	}
 
-	return "", false
+	if fileutil.FileExists(existing.Path) {
+		return existing.Path, true
+	}
+
+	if existing.Hash == "" {
+		return "", false
+	}
+
+	if err := c.initHashIndex(ctx); err != nil {
+		return "", false
+	}
+
+	foundPath, ok := c.hashIndex.Find(existing.Hash)
+	if !ok {
+		return "", false
+	}
+
+	existing.Path = foundPath
+	_ = existing.Save()
+
+	return foundPath, true
 }