Initial

.gitignore

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+.idea
+/vendor/
+/composer.lock

Plugin.php

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+<?php namespace Wpstudio\Sber;
+
+use Wpstudio\Sber\Classes\DefaultMoneyRepair;
+use OFFLINE\Mall\Classes\Payments\PaymentGateway;
+use OFFLINE\Mall\Classes\Utils\Money;
+use System\Classes\PluginBase;
+use Wpstudio\Sber\Classes\SberCheckout;
+
+class Plugin extends PluginBase
+{
+    /**
+     * @var array Plugin dependencies
+     */
+    public $require = ['Offline.Mall'];
+
+    final public function boot(): void
+    {
+        $gateway = $this->app->get(PaymentGateway::class);
+        $gateway->registerProvider(new SberCheckout());
+
+        // For solve this issue https://github.com/OFFLINE-GmbH/oc-mall-plugin/issues/258
+        $this->app->singleton(Money::class, function () {
+            return new DefaultMoneyRepair();
+        });
+    }
+}

classes/DefaultMoneyRepair.php

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+<?php namespace Wpstudio\Sber\Classes;
+
+use OFFLINE\Mall\Classes\Utils\DefaultMoney;
+
+/***
+ * Helper class to solve this problem https://github.com/OFFLINE-GmbH/oc-mall-plugin/issues/258
+ * paypal error after redirect to site
+ * After payment via PayPal upon returning to the site, we get an error Call to a member function getCurrent() on null
+ */
+class DefaultMoneyRepair extends DefaultMoney
+{
+    final protected function render($contents, array $vars): string
+    {
+        return number_format($vars['price'],$vars['currency']->decimals,  ',', ' ').' '.$vars['currency']->symbol;
+    }
+}

classes/SberCheckout.php

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+<?php namespace Wpstudio\Sber\Classes;
+
+use OFFLINE\Mall\Classes\Payments\PaymentProvider;
+use OFFLINE\Mall\Classes\Payments\PaymentResult;
+use OFFLINE\Mall\Models\OrderProduct;
+use OFFLINE\Mall\Models\PaymentGatewaySettings;
+use OFFLINE\Mall\Models\OrderState;
+use OFFLINE\Mall\Models\Order;
+use Omnipay\Omnipay;
+use Omnipay\Sberbank\Gateway;
+use Omnipay\Sberbank\Message\AbstractRequest;
+use Omnipay\Sberbank\Message\AbstractResponse;
+use Omnipay\Sberbank\Message\AuthorizeRequest;
+use Omnipay\Sberbank\Message\AuthorizeResponse;
+use Throwable;
+use Session;
+use Lang;
+
+
+class SberCheckout extends PaymentProvider
+{
+    /**
+     * The order that is being paid.
+     *
+     * @var Order
+     */
+    public $order;
+    /**
+     * Data that is needed for the payment.
+     * Card numbers, tokens, etc.
+     *
+     * @var array
+     */
+    public $data;
+
+    /**
+     * Return the display name of your payment provider.
+     *
+     * @return string
+     */
+    final public function name(): string
+    {
+        return Lang::get('wpstudio.sber::lang.settings.sber_checkout');
+    }
+
+    /**
+     * Return a unique identifier for this payment provider.
+     *
+     * @return string
+     */
+    final public function identifier(): string
+    {
+        return 'sber';
+    }
+
+    /**
+     * Validate the given input data for this payment.
+     *
+     * @return bool
+     * @throws \October\Rain\Exception\ValidationException
+     */
+    final public function validate(): bool
+    {
+        return true;
+    }
+
+
+    /**
+     * Process the payment.
+     *
+     * @param PaymentResult $result
+     *
+     * @return PaymentResult
+     */
+    final public function process(PaymentResult $result): PaymentResult
+    {
+        $gateway = $this->getGateway();
+
+        try {
+            $request = $gateway->authorize([
+                'orderNumber' => $this->order->id,
+                'amount' => $this->order->total_in_currency,
+                'returnUrl' => $this->returnUrl(),
+                'failUrl'     => $this->cancelUrl(),
+                'description'   => Lang::get('wpstudio.sber::lang.messages.order_number').$this->order->order_number,
+            ]);
+
+            assert($request instanceof AuthorizeRequest);
+
+            // hacking private method
+            $reflectionMethod = new \ReflectionMethod(AbstractRequest::class, 'setParameter');
+            $reflectionMethod->setAccessible(true);
+            $reflectionMethod->invoke($request, 'orderBundle', $this->getOrderBundle());
+
+            $response = $request->send();
+        } catch (Throwable $e) {
+            return $result->fail([], $e);
+        }
+
+        assert($response instanceof AuthorizeResponse);
+
+        Session::put('mall.payment.callback', self::class);
+
+        $this->setOrder($result->order);
+
+        $result->order->payment_transaction_id = $response->getOrderId();
+
+        $result->order->save();
+
+        return $result->redirect($response->getRedirectResponse()->getTargetUrl());
+    }
+
+    /**
+     * Gerenate sberbank orderBundle
+     * @see https://securepayments.sberbank.ru/wiki/doku.php/integration:api:rest:requests:registerpreauth_cart#orderbundle
+     *
+     * @return array
+     *
+     */
+    final public function getOrderBundle(): array
+    {
+        $orderCreationDateFormatted = $this->order->created_at->format('Y-m-dTH:m:s');
+
+        $cartItems = $this->getOrderCartItems();
+
+        if ($cartItems) {
+            return [
+                'orderCreationDate' => $orderCreationDateFormatted ?? '',
+                'cartItems' => $cartItems
+            ];
+        }
+
+        return [];
+    }
+
+    /**
+     * Create order cartitems for order bundle
+     *
+     * @return array
+     */
+    final public function getOrderCartItems(): array
+    {
+        $cartItems = [];
+
+        foreach ($this->order->products as $positionId => $product) {
+            assert($product instanceof OrderProduct);
+
+            $cartItems['items'] = [
+                'positionId' => $positionId,
+                'name' => $product->name,
+                'quantity' => [
+                    'value' => $product->quantity,
+                    'measure' => ''
+                ],
+                'itemCode' => $product->variant_id ?? $product->product_id,
+                'itemPrice' => $product->pricePostTaxes()->float,
+            ];
+        }
+
+        return $cartItems;
+    }
+
+    /**
+     * Y.K. has processed the payment and redirected the user back.
+     *
+     * @param PaymentResult $result
+     *
+     * @return PaymentResult
+     */
+    final public function complete(PaymentResult $result): PaymentResult
+    {
+        $this->setOrder($result->order);
+
+        $gateway = $this->getGateway();
+
+        try {
+            /**
+             * It will be similar to calling methods `completeAuthorize()` and `completePurchase()`
+             */
+            $response = $gateway->orderStatus(
+                [
+                    'orderId' => $result->order->payment_gateway_id, // gateway order number
+                    'language' => 'ru'
+                ]
+            )->send();
+        } catch (Throwable $e) {
+            return $result->fail([], $e);
+        }
+
+        assert($response instanceof AbstractResponse);
+
+        $data = (array)$response->getData();
+
+        if ( ! $response->isSuccessful()) {
+            return $result->fail($data, $response);
+        }
+
+        return $result->success($data, $response);
+    }
+
+    /**
+     * Build the Omnipay Gateway for PayPal.
+     *
+     * @return \Omnipay\Common\GatewayInterface
+     */
+    final protected function getGateway(): Gateway
+    {
+        $gateway = Omnipay::create('Sberbank');
+
+        $gateway->setUserName(PaymentGatewaySettings::get('username'));
+        $gateway->setPassword(decrypt(PaymentGatewaySettings::get('password')));
+
+        if (PaymentGatewaySettings::get('sber_test_mode')) {
+            $gateway->setTestMode(true);
+        }
+
+
+        return $gateway;
+    }
+
+    /**
+     * Return any custom backend settings fields.
+     *
+     * These fields will be rendered in the backend
+     * settings page of your provider.
+     *
+     * @return array
+     */
+    final public function settings(): array
+    {
+        return [
+            'sber_test_mode'     => [
+                'label'   => 'wpstudio.sber::lang.settings.sber_test_mode',
+                'comment' => 'wpstudio.sber::lang.settings.sber_test_mode_label',
+                'span'    => 'left',
+                'type'    => 'switch',
+            ],
+            'username'     => [
+                'label'   => Lang::get('wpstudio.sber::lang.settings.username'),
+                'comment' => Lang::get('wpstudio.sber::lang.settings.username_label'),
+                'span'    => 'left',
+                'type'    => 'text',
+            ],
+            'password' => [
+                'label'   => Lang::get('wpstudio.sber::lang.settings.password'),
+                'comment' => Lang::get('wpstudio.sber::lang.settings.password_label'),
+                'span'    => 'left',
+                'type'    => 'text',
+            ],
+            'setPayedVirtualOrderAsComplete' => [
+                'label'   => Lang::get('wpstudio.sber::lang.settings.set_payed_virtual_order_as_complete'),
+                'span'    => 'left',
+                'type'    => 'checkbox',
+            ],
+        ];
+    }
+
+    /**
+     * Setting keys returned from this method are stored encrypted.
+     *
+     * Use this to store API tokens and other secret data
+     * that is needed for this PaymentProvider to work.
+     *
+     * @return array
+     */
+    final public function encryptedSettings(): array
+    {
+        return ['password'];
+    }
+
+    /**
+     * Getting order state id by flag
+     *
+     * @param $orderStateFlag
+     * @return int
+     */
+    final protected function getOrderStateId($orderStateFlag): int
+    {
+        $orderStateModel = OrderState::where('flag', $orderStateFlag)->first();
+
+        return $orderStateModel->id;
+    }
+}

composer.json

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+{
+    "name": "dimti/oc-sber-plugin",
+    "description": "Sber payment gateway for offline.mall",
+    "require": {
+        "andrewnovikof/omnipay-sberbank": "^3.0"
+    },
+    "authors": [
+        {
+            "name": "WP Studio Team",
+            "email": "info@wpstudio.ru"
+        }
+    ],
+    "minimum-stability": "dev"
+}

lang/en/lang.php

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+<?php return [
+    'plugin' => [
+        'name' => 'Sber for Offline.Mall',
+        'description' => 'Adding Sber payment to offline.mall'
+    ],
+    'settings' => [
+        'sber_checkout' => 'Sber',
+        'sber_test_mode' => 'Test mode',
+        'sber_test_mode_label' => 'Turned on test mode for sber gateway',
+        'username' => 'Username',
+        'username_label' => 'Sber api username: T****-api',
+        'password' => 'Password',
+        'password_label' => 'Sber api password',
+    ],
+    'messages' => [
+        'order_number' => 'Order №',
+    ]
+];

lang/ru/lang.php

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+<?php return [
+    'plugin' => [
+        'name' => 'Sber для Mall',
+        'description' => 'Добавляет платежный провайдер Sber в плагин Mall'
+    ],
+    'settings' => [
+        'sber_checkout' => 'Sber',
+        'sber_test_mode' => 'Тестовый режим',
+        'sber_test_mode_label' => 'Тестовый режим',
+        'username' => 'Пользователь',
+        'username_label' => 'Пользователь',
+        'password' => 'Пароль',
+        'password_label' => 'Пароль',
+    ],
+    'messages' => [
+        'order_number' => 'Заказ №',
+    ]
+];

plugin.yaml

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+plugin:
+    name: 'wpstudio.sber::lang.plugin.name'
+    description: 'wpstudio.sber::lang.plugin.description'
+    author: WP Studio, info@wpstudio.ru
+    icon: oc-icon-credit-card
+    homepage: ''

updates/version.yaml

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+1.0.1:
+    - Initialize plugin.