update email template

tests/Feature/Payment/AdminTransactionApproveTest.php

@@ -0,0 +1,45 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Tests\Feature\Payment;
+
+use App\Enums\TransactionStatus;
+use App\Http\Controllers\Api\Admin\Transaction\AdminTransactionController;
+use App\Models\Customer;
+use App\Models\Transaction;
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use Illuminate\Support\Facades\Mail;
+use Tests\TestCase;
+
+class AdminTransactionApproveTest extends TestCase
+{
+    use RefreshDatabase;
+
+    public function test_approving_the_same_manual_deposit_twice_credits_the_customer_only_once(): void
+    {
+        Mail::fake();
+
+        $customer = Customer::factory()->create(['total' => 0, 'credit' => 0, 'total_pending' => 100_000]);
+        $transaction = Transaction::create([
+            'uuid' => (string) \Illuminate\Support\Str::uuid(),
+            'public_code' => 'DEP-TEST-0001',
+            'trans' => 'DEP-TEST-0001',
+            'amount' => 100_000,
+            'customer_id' => $customer->id,
+            'type' => 'manual',
+            'status' => TransactionStatus::PENDING->value,
+        ]);
+
+        $controller = app(AdminTransactionController::class);
+
+        $first = $controller->approve($transaction->uuid);
+        $second = $controller->approve($transaction->uuid);
+
+        $this->assertSame(200, $first->getStatusCode());
+        // Second call finds the transaction no longer PENDING → treated as not-approvable.
+        $this->assertSame(404, $second->getStatusCode());
+
+        $this->assertSame(100_000, (int) $customer->fresh()->total);
+    }
+}