✅ PayPal Information:
------------------------------------------------
Dev Account: developer@cwa.com
Per Account: sb-vhfyz28322584@personal.example.com
Biz Account: sb-6l43bc27296072@business.example.com
Client ID: AUepW_R8YYWL7R9nASWIkYSvoLg_3KzYFeb-tt0KMWuWOBwX_JmYlMGKMWbsg_bhPIB2CoNNy5AGk1dm
Secret: EFuwGqxMAPpSMCoxkmo6-WWnt02EjZFNtdN39Z9Ay-rmruF2gR2MmCPdQn1Rk1fH5z93yd96fB5hqP6s



✅ Laravel PayPal package installation:
------------------------------------------------
Google > Search: srmk PayPal
Package web link: https://github.com/srmklive/laravel-paypal
Open their documentation. 
https://srmklive.github.io/laravel-paypal/docs.html



✅ Install Package: 
------------------------------------------------
composer require srmklive/paypal:~3.0


✅ Publish Assets:
------------------------------------------------
php artisan vendor:publish --provider "Srmklive\PayPal\Providers\PayPalServiceProvider"


✅ .env
------------------------------------------------
DB_DATABASE=paypal_integration
DB_USERNAME=root
DB_PASSWORD=12345678

#PayPal API Mode
# Values: sandbox or live (Default: live)
PAYPAL_MODE=sandbox

#PayPal Setting & API Credentials - sandbox
PAYPAL_SANDBOX_CLIENT_ID=AUepW_R8YYWL7R9nASWIkYSvoLg_3KzYFeb-tt0KMWuWOBwX_JmYlMGKMWbsg_bhPIB2CoNNy5AGk1dm
PAYPAL_SANDBOX_CLIENT_SECRET=EFuwGqxMAPpSMCoxkmo6-WWnt02EjZFNtdN39Z9Ay-rmruF2gR2MmCPdQn1Rk1fH5z93yd96fB5hqP6s

#PayPal Setting & API Credentials - live
# PAYPAL_LIVE_CLIENT_ID=
# PAYPAL_LIVE_CLIENT_SECRET=


✅ View: 
------------------------------------------------
<h2>Product: Laptop</h2>
<h3>Price: $5</h3>
<form action="{{ route('paypal') }}" method="post">
    @csrf
    <input type="hidden" name="price" value="20">
    <input type="hidden" name="product_name" value="Laptop">
    <input type="hidden" name="quantity" value="1">
    <button type="submit">Pay with PayPal</button>
</form>


✅ web.php
------------------------------------------------
use App\Http\Controllers\PaypalController;
Route::post('paypal', [PaypalController::class, 'paypal'])->name('paypal');
Route::get('success', [PaypalController::class, 'success'])->name('success');
Route::get('cancel', [PaypalController::class, 'cancel'])->name('cancel');


✅ 3 types of searches in documentation to use:
------------------------------------------------
Search by: create order
Search by: create subscription
Search by: capture payment for order


✅ Create migration: 
------------------------------------------------
php artisan make:migration create_payments_table


✅ Migration file code:
------------------------------------------------
Schema::create('payments', function (Blueprint $table) {
    $table->id();
    $table->string('payment_id');
    $table->string('product_name');
    $table->string('quantity');
    $table->string('amount');
    $table->string('currency');
    $table->string('payer_name');
    $table->string('payer_email');
    $table->string('payment_status');
    $table->string('payment_method');
    $table->timestamps();
});


✅ Run Migration:
------------------------------------------------
php artisan migrate


✅ Create Model:
------------------------------------------------
php artisan make:model Payment


✅ PaypalController.php
------------------------------------------------
use App\Models\Payment;
use Srmklive\PayPal\Services\PayPal as PayPalClient;

class PaypalController extends Controller
{
    public function paypal(Request $request)
    {
        $provider = new PayPalClient;
        $provider->setApiCredentials(config('paypal'));
        $paypalToken = $provider->getAccessToken();
        $response = $provider->createOrder([
            "intent" => "CAPTURE",
            "application_context" => [
                "return_url" => route('success'),
                "cancel_url" => route('cancel')
            ],
            "purchase_units" => [
                [
                    "amount" => [
                        "currency_code" => "USD",
                        "value" => $request->price
                    ]
                ]
            ]
        ]);
        //dd($response);
        if(isset($response['id']) && $response['id'] != null) {
            foreach($response['links'] as $link) {
                if($link['rel'] == 'approve') {
                    session()->put('product_name', $request->product_name);
                    session()->put('quantity', $request->quantity);
                    return redirect()->away($link['href']);
                }
            }
        } else {
            return redirect()->route('cancel');
        }
    }

    public function success(Request $request)
    {
        $provider = new PayPalClient;
        $provider->setApiCredentials(config('paypal'));
        $paypalToken = $provider->getAccessToken();
        $response = $provider->capturePaymentOrder($request->token);
        //dd($response);
        if(isset($response['status']) && $response['status'] == 'COMPLETED') {
            
            // Insert data into database
            $payment = new Payment;
            $payment->payment_id = $response['id'];
            $payment->product_name = session()->get('product_name');
            $payment->quantity = session()->get('quantity');
            $payment->amount = $response['purchase_units'][0]['payments']['captures'][0]['amount']['value'];
            $payment->currency = $response['purchase_units'][0]['payments']['captures'][0]['amount']['currency_code'];
            $payment->payer_name = $response['payer']['name']['given_name'];
            $payment->payer_email = $response['payer']['email_address'];
            $payment->payment_status = $response['status'];
            $payment->payment_method = "PayPal";
            $payment->save();

            return "Payment is successful";

            unset($_SESSION['product_name']);
            unset($_SESSION['quantity']);

        } else {
            return redirect()->route('cancel');
        }
    }
    public function cancel()
    {
        return "Payment is cancelled.";
    }
}