Two month of work

app/Models/LineItem.php

@@ -20,6 +20,12 @@ class LineItem extends Model
         'price',
     ];
 
+    protected $casts = [
+        'is_section' => 'boolean',
+        'quantity' => 'integer',
+        'price' => 'decimal:2',
+    ];
+
     public function invoice()
     {
         return $this->belongsTo(Invoice::class);