Add playlist functions

YTMusicAPI/Helpers.pm

@@ -41,8 +41,9 @@ sub initialize_context {
 }
 
 sub get_visitor_id {
-    my ($content)  = @_;
-    my @matches    = $content =~ /ytcfg\.set\s*\(\s*({.+?})\s*\)\s*;/g;
+    my ($response) = @_;
+    my @matches =
+      $response->decoded_content =~ /ytcfg\.set\s*\(\s*({.+?})\s*\)\s*;/g;
     my $visitor_id = "";
 
     if (@matches) {
@@ -89,11 +90,15 @@ sub to_int {
 sub sum_total_duration {
     my ($item) = @_;
 
-    return 0 unless exists $item->{tracks};
+    return 0 unless exists $item->{"tracks"};
 
-    my $total_duration =
-      sum( map { exists $_->{duration_seconds} ? $_->{duration_seconds} : 0 }
-          @{ $item->{tracks} } );
+    my $total_duration = 0;
+    foreach my $track ( @{ $item->{"tracks"} } ) {
+        $total_duration +=
+          exists $track->{"duration_seconds"}
+          ? $track->{"duration_seconds"}
+          : 0;
+    }
 
     return $total_duration;
 }