colorful

app/Models/Contract.php

@@ -10,6 +10,15 @@ use Illuminate\Database\Eloquent\Relations\HasMany;
 #[Fillable(['product_id', 'customer_id', 'type', 'start_date', 'end_date', 'status', 'printed_at', 'signed_status'])]
 class Contract extends Model
 {
+    protected function casts(): array
+    {
+        return [
+            'start_date' => 'date',
+            'end_date' => 'date',
+            'printed_at' => 'date',
+        ];
+    }
+
     public function product(): BelongsTo
     {
         return $this->belongsTo(Product::class);