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Filename : payment-implementation.md
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# Payment Modal Implementation

Initiating Flutterwave Payment Modal is simple using this package:

## 1. Setup Routes

```php
// The page that displays the payment form
Route::get('/', function () {
    return view('welcome');
});
// The route that the button calls to initialize payment
Route::post('/pay', [FlutterwaveController::class, 'initialize'])->name('pay');
// The callback url after a payment
Route::get('/rave/callback', [FlutterwaveController::class, 'callback'])->name('callback');
```

## 2. Setup the Payment Page

A sample payment button will look like so:

> welcome.blade.php

```html
<h3>Buy Movie Tickets N500.00</h3>
<form method="POST" action="{{ route('pay') }}" id="paymentForm">
    {{ csrf_field() }}

    <input name="name" placeholder="Name" />
    <input name="email" type="email" placeholder="Your Email" />
    <input name="phone" type="tel" placeholder="Phone number" />

    <input type="submit" value="Buy" />
</form>
```

## 3. Setup your Controller

> Setup your controller to handle the routes. I created the `FlutterwaveController`. Use the `Rave` as `Flutterwave`
> facade.

### Example

```php
<?php

namespace App\Http\Controllers;

use KingFlamez\Rave\Facades\Rave as Flutterwave;

class FlutterwaveController extends Controller
{
    /**
     * Initialize Rave payment process
     * @return void
     */
    public function initialize()
    {
        //This generates a payment reference
        $reference = Flutterwave::generateReference();

        // Enter the details of the payment
        $data = [
            'payment_options' => 'card,banktransfer',
            'amount' => 500,
            'email' => request()->email,
            'tx_ref' => $reference,
            'currency' => "NGN",
            'redirect_url' => route('callback'),
            'customer' => [
                'email' => request()->email,
                "phonenumber" => request()->phone,
                "name" => request()->name
            ],

            "customizations" => [
                "title" => 'Movie Ticket',
                "description" => "20th October"
            ]
        ];

        $payment = Flutterwave::initializePayment($data);


        if ($payment['status'] !== 'success') {
            // notify something went wrong
            return;
        }

        return redirect($payment['data']['link']);
    }

    /**
     * Obtain Rave callback information
     * @return void
     */
    public function callback()
    {

        $transactionID = Flutterwave::getTransactionIDFromCallback();
        $data = Flutterwave::verifyTransaction($transactionID);

        dd($data);
        // Get the transaction from your DB using the transaction reference (txref)
        // Check if you have previously given value for the transaction. If you have, redirect to your successpage else, continue
        // Confirm that the $data['data']['status'] is 'successful'
        // Confirm that the currency on your db transaction is equal to the returned currency
        // Confirm that the db transaction amount is equal to the returned amount
        // Update the db transaction record (including parameters that didn't exist before the transaction is completed. for audit purpose)
        // Give value for the transaction
        // Update the transaction to note that you have given value for the transaction
        // You can also redirect to your success page from here

    }
}
```

Once the initialize is called, you get redirected to a flutterwave payment page

![Payment Modal](https://files.readme.io/3fb8aa3-Screenshot_2020-04-23_at_9.26.00_AM.png)

> After a successful payment, the user is redirected to the call back page
### Payment Parameters

| Parameter       | Required | Description                                                                                                                                                                                                                                   |
| --------------- | -------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| tx_ref          | True     | Your transaction reference. This MUST be unique for every transaction                                                                                                                                                                         |
| amount          | True     | Amount to charge the customer.                                                                                                                                                                                                                |
| currency        | False    | currency to charge in. Defaults to NGN                                                                                                                                                                                                        |
| integrity_hash  | False    | This is a sha256 hash of your FlutterwaveCheckout values, it is used for passing secured values to the payment gateway.                                                                                                                       |
| payment_options | True     | This specifies the payment options to be displayed e.g - card, mobilemoney, ussd and so on.                                                                                                                                                   |
| payment_plan    | False    | This is the payment plan ID used for Recurring billing                                                                                                                                                                                        |
| redirect_url    | True     | URL to redirect to when a transaction is completed. This is useful for 3DSecure payments so we can redirect your customer back to a custom page you want to show them.                                                                        |
| customer        | True     | This is an object that can contains your customer details: e.g - 'customer': `[ 'email' => 'example@example.com', 'phonenumber' => '08012345678', 'name' => 'Takeshi Kovacs' ]`                                                                     |
| subaccounts     | False    | This is an array of objects containing the subaccount IDs to split the payment into. Check our Split Payment page for more info                                                                                                               |
| meta            | False    | This is an object that helps you include additional payment information to your request e.g `[ 'consumer_id' => 23, 'consumer_mac' => '92a3-912ba-1192a']`                                                                                        |
| customizations  | True     | This is an object that contains title, logo, and description you want to display on the modal e.g `[ 'title' => 'Pied Piper Payments' 'description' => 'Middleout isn't free. Pay the price', 'logo' => 'https://assets.piedpiper.com/logo.png' ]`  |
| subaccounts     | False    | This is an array of objects containing the subaccount IDs to split the payment into. Check our Split Payment page for more info                                                                                                               |
| meta            | False    | This is an object that helps you include additional payment information to your request e.g `[ 'consumer_id' => 23, 'consumer_mac' => '92a3-912ba-1192a' ]`                                                                                       |
| customizations  | True     | This is an object that contains title, logo, and description you want to display on the modal e.g `[ 'title' => 'Pied Piper Payments', 'description' => 'Middleout isn't free. Pay the price', 'logo' => 'https://assets.piedpiper.com/logo.png' ]` |

#### Available payment options

To use custom options for your payment modal, you need to go to your [accounts](https://dashboard.flutterwave.com/dashboard/settings/accounts) page and uncheck `Enable Dashboard Payment Options`

Here are all the possible values for payment options available on Flutterwave:

-  account
-  card
- banktransfer
- mpesa
- mobilemoneyrwanda
- mobilemoneyzambia
- qr
- mobilemoneyuganda
- ussd
- credit
- barter
- mobilemoneyghana
- payattitude
- mobilemoneyfranco
- paga
- 1voucher
- mobilemoneytanzania


### Alternate Confirmation

Apart from callback, you can also use Webhook to receive notifications for your transactions. Click [here](/verification/webhook.html) to set it up