1 files changed, 13 insertions, 0 deletions
diff --git a/laravel/app/Song.php b/laravel/app/Song.php
index a6e3a54..4ae3920 100644
--- a/laravel/app/Song.php
+++ b/laravel/app/Song.php
@@ -3,6 +3,7 @@
 namespace App;
 
 use Illuminate\Database\Eloquent\Model;
+use App\Http\Controllers\SongController;
 
 class Song extends Model
 {
@@ -11,6 +12,18 @@ class Song extends Model
     {
         return $this->belongsToMany('App\Playlist');
     }
+    public function textTranspose($key)
+    {
+        $sc = new SongController();
+        $transp = $key;
+        if ($key && $this->plain_key){
+            $try = $sc->keydiff($this->plain_key, $key);
+            if ($try !== null){
+                $transp = $try;
+            }
+        }
+        return $sc->transposeBlock($this->text, $transp);
+    }
     public function getNameAttribute()
     {
         return $this->title