بهط پهلقشفث

database/migrations/2026_06_25_000001_ensure_total_referrals_column_on_customers_table.php

@@ -17,6 +17,26 @@ return new class extends Migration
             return;
         }
 
+        if (! Schema::hasColumn('customers', 'referral_id')) {
+            Schema::table('customers', function (Blueprint $table) {
+                if (Schema::hasColumn('customers', 'type')) {
+                    $table->string('referral_id', 20)->nullable()->after('type');
+                } else {
+                    $table->string('referral_id', 20)->nullable();
+                }
+            });
+        }
+
+        if (! Schema::hasColumn('customers', 'referral_to_id')) {
+            Schema::table('customers', function (Blueprint $table) {
+                if (Schema::hasColumn('customers', 'referral_id')) {
+                    $table->string('referral_to_id', 20)->nullable()->after('referral_id');
+                } else {
+                    $table->string('referral_to_id', 20)->nullable();
+                }
+            });
+        }
+
         if (! Schema::hasColumn('customers', 'total_referrals')) {
             Schema::table('customers', function (Blueprint $table) {
                 if (Schema::hasColumn('customers', 'referral_to_id')) {
@@ -27,10 +47,51 @@ return new class extends Migration
             });
         }
 
-        if (! Schema::hasColumn('customers', 'total_referrals')) {
+        if (
+            ! Schema::hasColumn('customers', 'referral_id')
+            || ! Schema::hasColumn('customers', 'referral_to_id')
+            || ! Schema::hasColumn('customers', 'total_referrals')
+        ) {
             return;
         }
 
+        $this->backfillMissingReferralIds();
+        $this->backfillTotalReferrals();
+    }
+
+    public function down(): void
+    {
+        // عمداً خالی — rollback ستون را حذف نمی‌کند
+    }
+
+    private function backfillMissingReferralIds(): void
+    {
+        $query = DB::table('customers')
+            ->where(function ($q) {
+                $q->whereNull('referral_id')->orWhere('referral_id', '');
+            });
+
+        if (Schema::hasColumn('customers', 'deleted_at')) {
+            $query->whereNull('deleted_at');
+        }
+
+        $customerIds = $query->pluck('id');
+
+        foreach ($customerIds as $customerId) {
+            do {
+                $uniqueId = substr(str_shuffle('0123456789abcdefghijklmnopqrstuvwxyz'), 0, 4);
+            } while (DB::table('customers')->where('referral_id', $uniqueId)->exists());
+
+            DB::table('customers')->where('id', $customerId)->update(['referral_id' => $uniqueId]);
+        }
+    }
+
+    private function backfillTotalReferrals(): void
+    {
+        $deletedAtClause = Schema::hasColumn('customers', 'deleted_at')
+            ? 'AND `deleted_at` IS NULL'
+            : '';
+
         DB::statement("
             UPDATE `customers` AS c
             SET c.`total_referrals` = (
@@ -39,16 +100,11 @@ return new class extends Migration
                     SELECT `id`
                     FROM `customers`
                     WHERE `referral_to_id` = c.`referral_id`
-                      AND `deleted_at` IS NULL
+                      {$deletedAtClause}
                 ) 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
-    }
 };