fixed register ۲

database/migrations/2026_06_25_000001_ensure_total_referrals_column_on_customers_table.php

@@ -0,0 +1,54 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\DB;
+use Illuminate\Support\Facades\Schema;
+
+/**
+ * اگر migration قدیمی در جدول migrations ثبت شده ولی ستون total_referrals ساخته نشده
+ * (Nothing to migrate + Unknown column total_referrals) — این فایل idempotent ستون را درست می‌کند.
+ */
+return new class extends Migration
+{
+    public function up(): void
+    {
+        if (! Schema::hasTable('customers')) {
+            return;
+        }
+
+        if (! Schema::hasColumn('customers', 'total_referrals')) {
+            Schema::table('customers', function (Blueprint $table) {
+                if (Schema::hasColumn('customers', 'referral_to_id')) {
+                    $table->unsignedInteger('total_referrals')->default(0)->after('referral_to_id');
+                } else {
+                    $table->unsignedInteger('total_referrals')->default(0);
+                }
+            });
+        }
+
+        if (! Schema::hasColumn('customers', 'total_referrals')) {
+            return;
+        }
+
+        DB::statement("
+            UPDATE `customers` AS c
+            SET c.`total_referrals` = (
+                SELECT COUNT(*)
+                FROM (
+                    SELECT `id`
+                    FROM `customers`
+                    WHERE `referral_to_id` = c.`referral_id`
+                      AND `deleted_at` IS NULL
+                ) AS r
+            )
+            WHERE c.`referral_id` IS NOT NULL
+              AND TRIM(c.`referral_id`) <> ''
+        ");
+    }
+
+    public function down(): void
+    {
+        // عمداً خالی — rollback ستون را حذف نمی‌کند
+    }
+};