osb/app/Http/Controllers/PaypalController.php

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PHP
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2020-07-27 04:49:59 +00:00
<?php
namespace App\Http\Controllers;
use App\Models\PaymentItem;
use Carbon\Carbon;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Log;
use PayPalCheckoutSdk\Core\PayPalHttpClient;
use PayPalCheckoutSdk\Core\ProductionEnvironment;
use PayPalCheckoutSdk\Core\SandboxEnvironment;
use PayPalCheckoutSdk\Orders\OrdersCreateRequest;
use PayPalCheckoutSdk\Orders\OrdersCaptureRequest;
use PayPalHttp\HttpException;
use App\Models\Checkout;
use App\Models\Invoice;
use App\Models\Payment;
class PaypalController extends Controller
{
private $client;
private $o = NULL;
// Create a new instance with our paypal credentials
public function __construct()
{
if (config('paypal.settings.mode') == 'sandbox')
$environment = new SandboxEnvironment(config('paypal.sandbox_client_id'),config('paypal.sandbox_secret'));
else
$environment = new ProductionEnvironment(config('paypal.live_client_id'),config('paypal.live_secret'));
$this->client = new PayPalHttpClient($environment);
$this->o = Checkout::where('name','paypal')->firstOrFail();
}
public function cancel(Request $request)
{
return redirect()->to('u/invoice/cart');
}
/**
* Authorize a paypal payment, and redirect the user to pay.
*
* @param Request $request
* @return \Illuminate\Http\RedirectResponse
*/
public function authorise(Request $request)
{
$currency = 'AUD'; // @todo TO determine from DB.;
$cart = $request->session()->get('invoice.cart');
if (! $cart)
return redirect()->to('u/home');
$invoices = Invoice::find($cart);
$paypal = new OrdersCreateRequest();
$paypal->prefer('return=minimal');
// Paypal Purchase Units
$items = collect();
foreach ($invoices as $io) {
$fee = $this->o->fee($io->due,count($cart));
$total = round($io->due+$fee,2);
$items->push([
'reference_id'=>$io->id,
'invoice_id'=>$io->id,
'description'=>'Invoice Payment',
'custom_id'=>sprintf('%s:%s',$io->account_id,$fee*100),
'amount'=>[
'value'=>$total,
'currency_code'=>$currency,
'breakdown'=>[
'item_total'=>[
'value'=>$total,
'currency_code'=>$currency,
]
],
],
'items'=>[
[
'name'=>'Invoice: '.$io->id,
'unit_amount'=>[
'value'=>$total,
'currency_code'=>$currency,
],
'quantity'=>1,
'description'=>'Invoice Payment',
'category'=>'DIGITAL_GOODS',
],
]
]);
}
$data = collect();
$data->put('intent','CAPTURE');
$data->put('purchase_units',$items->toArray());
$data->put('application_context',[
'return_url' => url('pay/paypal/capture'),
'cancel_url' => url('u/invoice/cart'),
]);
$paypal->body = $data->toArray();
try {
$response = $this->client->execute($paypal);
} catch (HttpException $e) {
Log::error('Paypal Exception',['request'=>$paypal,'response'=>$e->getMessage()]);
return redirect()->to('u/invoice/cart')->withErrors('Paypal Exception: '.$e->getCode());
} catch (\HttpException $e) {
Log::error('HTTP Exception',['request'=>$request,'response'=>$e->getMessage()]);
return redirect()->to('u/invoice/cart')->withErrors('HTTP Exception: '.$e->getCode());
}
// Get the approval link
$redirect_url = '';
foreach ($response->result->links as $link) {
if ($link->rel == 'approve') {
$redirect_url = $link->href;
break;
}
}
if ($redirect_url) {
return redirect()->away($redirect_url);
}
return redirect()->to('u/invoice/cart')->withErrors('An error occurred with Paypal?');
}
/**
* Capture a paypal payment
*
* @param Request $request
* @return \Illuminate\Http\RedirectResponse
*/
public function capture(Request $request)
{
$paypal = new OrdersCaptureRequest($request->query('token'));
$paypal->prefer('return=representation');
$redirect_url = '';
try {
$response = $this->client->execute($paypal);
} catch (HttpException $e) {
$result = json_decode($e->getMessage());
Log::error(sprintf('Paypal Declined: Code: %s, DebugID: %s, Name: %s,Message: %s',$e->getCode(),$result->debug_id,$result->name,$result->message));
switch ($result->name) {
case 'UNPROCESSABLE_ENTITY':
foreach ($result->details as $detail)
Log::error(sprintf('Paypal Declined: Issue: %s Message: %s',$detail->issue,$detail->description));
// If we got a redirect link, lets redirect
foreach ($result->links as $link) {
if ($link->rel == 'redirect') {
$redirect_url = $link->href;
break;
}
}
break;
default:
Log::error(sprintf('Paypal Unhandled: %s',$result));
}
// If we got a redirect.
if ($redirect_url) {
Log::error('Paypal Capture: Redirect back to Paypal.');
return redirect()->away($redirect_url);
}
return redirect()->to('u/invoice/cart')->withErrors('An error occurred with Paypal?');
} catch (\HttpException $e) {
Log::error('HTTP Exception',['request'=>$paypal,'response'=>$e->getMessage()]);
return redirect()->to('u/invoice/cart')->withErrors('HTTP Exception: '.$e->getCode());
}
if (! $response OR ! $response->result->purchase_units) {
Log::error('Paypal Capture: No Purchase Units?');
return redirect()->to('u/invoice/cart')->withErrors('Paypal Exception: NPU');
}
// If we got here, we got a payment
foreach ($response->result->purchase_units as $pu) {
foreach ($pu->payments->captures as $cap) {
$po = new Payment;
switch ($cap->status) {
case 'PENDING':
$po->pending_status = TRUE;
$po->pending = $cap->status_details->reason;
break;
case 'FAILED':
Log::error(sprintf('Paypal Payment Failed: Invoice: %s (%s).',$pu->invoice_id,$cap->error->details[0]->description));
continue 2;
default:
$po->pending_status = TRUE;
$po->pending = $cap->status_details->reason ?? 'Unknown Status';
break;
}
$po->date_payment = Carbon::parse($cap->create_time);
$po->checkout_id = $this->o->id;
$po->checkout_data = $cap->id;
list($account_id,$fee) = explode(':',$cap->custom_id);
$po->fees_amt = $fee/100;
$po->total_amt = $cap->amount->value-$po->fees_amt;
$po->account_id = $account_id;
$pio = new PaymentItem;
$pio->site_id = 1; // @todo To implement
$pio->invoice_id = $cap->invoice_id;
$pio->alloc_amt = $cap->amount->value-$po->fees_amt;
$po->items->push($pio);
// @todo To store payment fees on invoice
try {
$po->pushNew();
} catch (\Exception $e) {
Log::error('Error recording payment',['po'=>$po,'e'=>$e->getMessage(),'token'=>$request->query('token')]);
}
}
}
$request->session()->forget('invoice.cart');
Log::info('Paypal Payment Recorded',['po'=>$po->id]);
return redirect()->to('u/home')->with('success','Payment recorded thank you.');
}
}