<?php
/**
*
* Class ki skrbi za placila s paypalom
*
*/
use PayPalCheckoutSdk\Core\PayPalHttpClient;
use PayPalCheckoutSdk\Core\SandboxEnvironment;
use PayPalCheckoutSdk\Core\ProductionEnvironment;
use PayPalCheckoutSdk\Orders\OrdersCreateRequest;
use PayPalCheckoutSdk\Orders\OrdersCaptureRequest;
class UserNarocilaPaypal{
private $narocilo;
private $paypal_client;
public function __construct($narocilo_id){
global $mysql_database_name;
if($narocilo_id > 0){
// Dobimo podatke narocila
$sqlNarocilo = sisplet_query("SELECT un.*, u.name, u.surname, u.email, up.name AS package_name, up.description AS package_description, up.price AS package_price
FROM user_access_narocilo un, users u, user_access_paket up
WHERE un.id='".$narocilo_id."' AND un.usr_id=u.id AND un.package_id=up.id");
if(mysqli_num_rows($sqlNarocilo) > 0){
$this->narocilo = mysqli_fetch_array($sqlNarocilo);
}
else{
die("Napaka pri komunikaciji s paypal! Narocilo ne obstaja.");
}
// Ustvarimo okolje za paypal
if($mysql_database_name == 'real1kasi')
$environment = new ProductionEnvironment(AppSettings::getInstance()->getSetting('paypal-client_id'), AppSettings::getInstance()->getSetting('paypal-secret'));
else
$environment = new SandboxEnvironment(AppSettings::getInstance()->getSetting('paypal-client_id'), AppSettings::getInstance()->getSetting('paypal-secret'));
$this->paypal_client = new PayPalHttpClient($environment);
}
else {
die("Napaka pri komunikaciji s paypal! Manjka ID naročila.");
}
}
// Placamo narocilo s paypal
public function paypalCreatePayment(){
global $site_url;
$response = array();
$UA = new UserNarocila();
$cena = $UA->getPrice($this->narocilo['package_name'], $this->narocilo['trajanje'], $this->narocilo['discount'], $this->narocilo['time']);
if($this->narocilo['trajanje'] == 1)
$months_string = 'mesec';
elseif($this->narocilo['trajanje'] == 2)
$months_string = 'meseca';
elseif($this->narocilo['trajanje'] == 3 || $this->narocilo['trajanje'] == 4)
$months_string = 'mesece';
else
$months_string = 'mesecev';
// Zavezanec iz tujine ima racun/predracun brez ddv
if($UA->isWithoutDDV($this->narocilo['id'])){
$ddv = 0;
$cena_za_placilo = $cena['final_without_tax'];
}
else{
$ddv = 1;
$cena_za_placilo = $cena['final'];
}
// Podatki narocila
$orderDetails = array(
'ime' => '1KA naročnina (paket '.strtoupper($this->narocilo['package_name']). ' - '.$this->narocilo['trajanje'].' '.$months_string.')',
'narocilo_id' => $this->narocilo['id'],
'cena' => $cena_za_placilo,
);
// Ustvarimo order na paypal, da se lahko potem user prijavi in ga placa
$paypal_response = $this->paypalCreateOrder($orderDetails);
if(!isset($paypal_response['success']) || $paypal_response['success'] == false){
return $paypal_response;
}
// Vstavimo plačilo v bazo
$sqlNarocilo = sisplet_query("INSERT INTO user_access_paypal_transaction
(transaction_id, narocilo_id, price, currency_type, time, status)
VALUES
('".$paypal_response['transaction_id']."', '".$this->narocilo['id']."', '".$cena_za_placilo."', 'EUR', NOW(), 'CREATED')
");
if (!$sqlNarocilo){
$response['error'] = 'ERROR! '.mysqli_error($GLOBALS['connect_db']);
$response['success'] = false;
return $response;
}
$response['paypal_link'] = $paypal_response['paypal_link'];
$response['success'] = true;
return $response;
}
// Posljemo podatke za placilo paypalu
private function paypalCreateOrder($orderDetails){
global $site_url;
global $lang;
$response = array();
$request = new OrdersCreateRequest();
$request->prefer('return=representation');
//$request->headers["prefer"] = "return=representation";
if($lang['id'] == '2'){
$drupal_url_confirm = $site_url.'/d/en/purchase/paypal?narocilo_id='.$orderDetails['narocilo_id'];
$drupal_url_cancel = $site_url.'/d/en/purchase/paypal-cancel?narocilo_id='.$orderDetails['narocilo_id'];
}
else{
$drupal_url_confirm = $site_url.'/d/sl/narocilo/paypal?narocilo_id='.$orderDetails['narocilo_id'];
$drupal_url_cancel = $site_url.'/d/sl/narocilo/paypal-cancel?narocilo_id='.$orderDetails['narocilo_id'];
}
$request->body = [
"intent" => "CAPTURE",
"purchase_units" => [[
"reference_id" => $orderDetails['narocilo_id'],
'description' => $orderDetails['ime'],
"amount" => [
"value" => $orderDetails['cena'],
"currency_code" => "EUR"
]
]],
"application_context" => [
"cancel_url" => $drupal_url_cancel,
"return_url" => $drupal_url_confirm,
'brand_name' => '1KA'
]
];
try {
// Poklicemo paypal api za ustvarjanje narocila
$paypal_response = $this->paypal_client->execute($request);
if($paypal_response->result->status != 'CREATED'){
$response['error'] = 'ERROR! Order was not created.';
$response['success'] = false;
return $response;
}
// Dobimo id paypal narocila
$response['transaction_id'] = $paypal_response->result->id;
// Dobimo link za preusmeritev stranke, da potrdi narocilo in potem lahko izvedemo "capture"
foreach($paypal_response->result->links as $link){
if($link->rel == 'approve')
$response['paypal_link'] = $link->href;
}
}
catch (HttpException $e) {
$response['error'] = $e->getMessage();
$response['success'] = false;
return $response;
}
$response['success'] = true;
return $response;
}
// Zakljucimo placilo, ce je bilo placilo ok odobreno preko paypala s strani stranke
public function paypalCaptureOrder(){
$response = array();
// Preverimo plačilo v bazo
$sqlNarociloPaypal = sisplet_query("SELECT transaction_id
FROM user_access_paypal_transaction
WHERE narocilo_id='".$this->narocilo['id']."'
");
if (!$sqlNarociloPaypal){
$response['error'] = 'ERROR! '.mysqli_error($GLOBALS['connect_db']);
$response['success'] = false;
return $response;
}
// Narocilo ne obstaja (ni v bazi paypal narocil)
if (mysqli_num_rows($sqlNarociloPaypal) == 0){
$response['error'] = 'ERROR! Paypal order does not exist.';
$response['success'] = false;
return $response;
}
$rowNarociloPaypal = mysqli_fetch_array($sqlNarociloPaypal);
// Preverimo, ce je bilo vse ok placano - POST request to /v2/checkout/orders
$request = new OrdersCaptureRequest($rowNarociloPaypal['transaction_id']);
//$request->prefer('return=representation');
try {
// Poklicemo paypal api kjer preverimo placilo narocila
$paypal_response = $this->paypal_client->execute($request);
}
catch (HttpException $e) {
$response['error'] = $e->getMessage();
$response['success'] = false;
return $response;
}
// Posodobimo status narocila
$sqlNarocilo = sisplet_query("UPDATE user_access_paypal_transaction
SET status='".$paypal_response->result->status."'
WHERE transaction_id='".$paypal_response->result->id."'
");
if (!$sqlNarocilo){
$response['error'] = 'ERROR! '.mysqli_error($GLOBALS['connect_db']);
$response['success'] = false;
return $response;
}
// Nastavimo narocilo na placano, aktiviramo paket in vrnemo racun
$narocilo = new UserNarocila();
$payment_response = $narocilo->payNarocilo($this->narocilo['id']);
if($payment_response['success'] == true){
$response['racun'] = $payment_response['racun'];
$response['success'] = true;
}
else{
$response['error'] = $payment_response['error'];
$response['success'] = false;
}
$response['narocilo_id'] = $this->narocilo['id'];
$response['success'] = true;
return $response;
}
// Preklicemo placilo, ce je bilo placilo preklicano preko paypala s strani stranke
public function paypalCancelOrder(){
$response = array();
// Posodobimo status narocila
$sqlNarocilo = sisplet_query("UPDATE user_access_paypal_transaction
SET status='CANCELLED'
WHERE narocilo_id='".$this->narocilo['id']."'
");
if (!$sqlNarocilo){
$response['error'] = 'ERROR! '.mysqli_error($GLOBALS['connect_db']);
$response['success'] = false;
return $response;
}
// Nastavimo status narocila na storniran
$sqlNarociloStatus = sisplet_query("UPDATE user_access_narocilo SET status='2' WHERE id='".$this->narocilo['id']."'");
if (!$sqlNarociloStatus){
$response['error'] = 'ERROR! '.mysqli_error($GLOBALS['connect_db']);
$response['success'] = false;
return $response;
}
$response['success'] = true;
return $response;
}
}
