sale.php

sale.php

<?php
if (empty($user)) {
            return;
        }


        $totalPrice = $commerce->getCart()->getTotal();


        $sales = [];


        $sale = $totalPrice * 20 / 100;

        $sales['first_order'] = [
            'title' => 'Скидка за первый заказ 1',
            'price' => -$sale,
            'conflict' => ['birthday', 'pickup'],
            'applied' => function () use ($user) {
                return $user['orders_count'] == 0;
            }
        ];


        $sale = $totalPrice * 20 / 100;

        $sales['birthday'] = [
            'title' => 'Скидка за день рождения 2',
            'price' => -$sale,
            'conflict' => ['first_order', 'pickup', 'pizza_gift'],
            'applied' => function () use ($user) {
                $today = DateTime::createFromFormat('d.m.Y H:i:s', date('d.m.Y 00:00:00'));
                $years = DateTime::createFromFormat('d.m.Y H:i:s', date('d.m.' . date('Y') . ' 00:00:00', strtotime($user['years'])));
                $years2 = DateTime::createFromFormat('d.m.Y H:i:s', date('d.m.' . date('Y') . ' 00:00:00', strtotime($user['years'])));

                return $years >= $today && $years->diff($today)->days <= 6 || $years2 >= $today && $years2->diff($today)->days <= 6;
            }
        ];


        $sale = $totalPrice * 10 / 100;

        $sales['pickup'] = [
            'title' => 'Скидка за замовывоз 3',
            'price' => -$sale,
            'conflict' => ['first_order', 'birthday'],
            'applied' => function () use ($orderProcessor, $modx) {
                return $orderProcessor->getCurrentDelivery() === 'pickup' && (isset($_REQUEST['hashes']['form']) || in_array($modx->documentIdentifier, [12, 4]));
            }
        ];


        $sales['pizza_gift'] = [
            'title' => 'Пицца в подарок 4',
            'price' => 0,
            'conflict' => ['birthday'],

            'applied' => function () use ($totalPrice) {
                return $totalPrice > 1900;
            },

            'resolve' => function () use ($modx) {
                $commerce = $modx->commerce;
                $cartManager = ci()->carts;
                /** @var \Commerce\Carts\ProductsCart $productCart */
                $productCart = $cartManager->getCart('products');
                $products = $productCart->getItems();

                $hasSaleProduct = false;
                foreach ($products as $product) {
                    if (isset($product['meta']['addedFromSale'])) {
                        $hasSaleProduct = true;
                        break;
                    }
                }
                if (!$hasSaleProduct) {
                    $id = 42;

                    $item = [
                        'id' => $id,
                        'name' => $modx->runSnippet('DocInfo', ['field' => 'pagetitle', 'docid' => $id]),
                        'price' => 0,
                        'meta' => [
                            'addedFromSale' => true
                        ],
                        'count' => 1,
                    ];

                    $hash = $productCart->makeHash($item);
                    $row = $commerce->generateRandomString(16);

                    $item = array_merge($item, [
                        'hash' => $hash,
                        'row' => $row
                    ]);

                    $products[$row] = $item;
                }
                $productCart->setItems($products);
            },
            'reject' => function () use ($modx) {

                $commerce = $modx->commerce;
                $cartManager = ci()->carts;
                /** @var \Commerce\Carts\ProductsCart $productCart */
                $productCart = $cartManager->getCart('products');
                $products = $productCart->getItems();


                $saleProduct = false;
                foreach ($products as $key => $product) {
                    if (isset($product['meta']['addedFromSale'])) {
                        $saleProduct = $key;
                        break;
                    }
                }

                if ($saleProduct !== false) {
                    unset($products[$saleProduct]);
                    $productCart->setItems($products);

                }


            }
        ];

        $appliedSales = [];

        foreach ($sales as $key => $sale) {
            if ($sale['applied']() === true) {
                $appliedSales[$key] = $sale;
            } else if (isset($sale['reject'])) {
                $sale['reject']();
            }
        }


        $confirmedSales = [];
        foreach ($appliedSales as $key => $sale) {


            $conflict = false;
            foreach ($sale['conflict'] as $saleKey) {
                if (in_array($saleKey, array_keys($confirmedSales))) {
                    $conflict = true;
                    break;
                }
            }

            if ($conflict === false) {
                $confirmedSales[$key] = $sale;

                if (isset($sale['resolve'])) {
                    $sale['resolve']();
                }

            } else if (isset($sale['resolve'])) {
                $sale['reject']();
            }


        }


        if ($modx->event->name === 'OnCollectSubtotals') {
            foreach ($confirmedSales as $key => $confirmedSale) {

                // добавляем строку с описанием скидки в раздел дополнительных сборов заказа
                $params['rows'][$key] = [
                    'title' => $confirmedSale['title'],
                    'price' => $confirmedSale['price'],
                ];

                // вычитаем размер скидки из итоговой суммы заказа
                $params['total'] += $confirmedSale['price'];
            }
        }

}