Reading file size

app/Models/Chapter.php

@@ -46,14 +46,14 @@ class Chapter extends Model
     protected function videoPath(): Attribute
     {
         return Attribute::make(
-            get: fn() => $this->directory_path . '/' . $this->id . '.' . $this->link . '.mp4'
+            get: fn() => $this->directory_path . '/' . $this->order . '.mp4'
         );
     }
 
     protected function directoryPath(): Attribute
     {
         return Attribute::make(
-            get: fn() => $this->course_id . '.' . $this->course->link
+            get: fn() => public_path($this->course_id)
         );
     }
 
@@ -63,4 +63,16 @@ class Chapter extends Model
             get: fn() => is_file($this->video_path)
         );
     }
+
+    public function videoSizeHuman(): Attribute
+    {
+        return Attribute::make(
+            get: function () {
+                $base = log($this->video_size) / log(1024);
+                $suffix = ["", "k", "M", "G", "T"][floor($base)];
+                return round(pow(1024, $base - floor($base)), 2) . $suffix;
+            },
+        );
+    }
+
 }