fix some bugs

app/Http/Controllers/Admin/CustomerController.php

@@ -175,8 +175,11 @@ class CustomerController extends SuperController
 
         $customer = Customer::findOrFail($id);
 
-        if (array_key_exists('referral_to_id', $data) && filled($customer->referral_to_id)) {
-            unset($data['referral_to_id']);
+        if (array_key_exists('referral_to_id', $data)) {
+            $incoming = is_string($data['referral_to_id']) ? trim($data['referral_to_id']) : $data['referral_to_id'];
+            if (filled($customer->referral_to_id) || $incoming === null || $incoming === '') {
+                unset($data['referral_to_id']);
+            }
         }
 
         if (isset($data['fname'], $data['lname'])) {

app/Models/Customer.php

@@ -6,6 +6,7 @@ use Illuminate\Database\Eloquent\Factories\HasFactory;
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Database\Eloquent\SoftDeletes;
 use Illuminate\Support\Facades\Hash;
+use Carbon\Carbon;
 use Rooyesh\Wallet\models\Wallet;
 use Illuminate\Foundation\Auth\User as Authenticatable;
 use Symfony\Component\HttpKernel\Exception\UnprocessableEntityHttpException;
@@ -136,6 +137,17 @@ class Customer extends Authenticatable implements JWTSubject
         $this->attributes['password'] = Hash::make($value);
     }
 
+    public function setBirthDateAttribute($value): void
+    {
+        if ($value === null || $value === '') {
+            $this->attributes['birth_date'] = null;
+
+            return;
+        }
+
+        $this->attributes['birth_date'] = Carbon::parse($value)->format('Y-m-d');
+    }
+
     public function getJWTIdentifier()
     {
         return $this->getKey();