CakeProducts/templates/ProductSkus/add.php

<?php

use Cake\Log\Log;
use function BenTools\CartesianProduct\combinations;

/**
 * @var \App\View\AppView $this
 * @var \App\Model\Entity\ProductSku[] $productSkus
 * @var \App\Model\Entity\ProductSku $product
 * @var array $toGetCartesianProductsFrom
 */


?>
<div class="row">
    <aside class="column">
        <div class="side-nav">
            <h4 class="heading"><?= __('Actions') ?></h4>
            <?= $this->Html->link(__('View Product'), [
                'controller' => 'Products',
                'action' => 'view',
                $product->id,
            ], ['class' => 'side-nav-item']) ?>
            <?= $this->Html->link(__('List Product SKUs'), ['action' => 'index'], ['class' => 'side-nav-item']) ?>
        </div>
    </aside>
    <div class="column column-80">
        <div class="productSkus form content">
            <?= $this->Form->create($productSkus) ?>
            <fieldset>
                <legend><?= __('Add Product SKU(s) for Product: ' . $product->name) ?></legend>
                <div id="product-skus-container" class="container">
                    <table class="table">
                        <thead>
                        <tr>
                            <th>SKU</th>
                            <th>Barcode</th>
                            <th>Price</th>
                            <th>Cost</th>
                            <?php
                            $cnt = 0;
                            foreach ($variantNameMapping as $singleVariantName) : ?>
                                <th><?= $singleVariantName; ?></th>
                            <?php endforeach; ?>
                        </tr>
                        </thead>
                        <tbody>
                        <?php
                        $cnt = 0;
                        $labelFalse = ['label' => false];
                        $found = [];
                        foreach (combinations($toGetCartesianProductsFrom) as $c => $combination) : ?>

                            <?php
                            // $singleVariantId
                            $foundSku = null;
//                            dd($existingSkusForCartesianComparison);

                            foreach($existingSkusForCartesianComparison as $existingSkuForCartesianComparisonId => $existingSkuForCartesianComparison) {
                                $allMatch = false;
                                Log::debug(print_r(['$combination' => $combination, '$existingSkuForCartesianComparison' => $existingSkuForCartesianComparison], true));
                                if ($existingSkuForCartesianComparison == $combination) {
                                    $foundSku = $existingSkuForCartesianComparisonId;
                                }
                            }
                            $found[$c] = $foundSku;

                            $addInputOptions = [
                                'label' => false,
                                'type' => 'checkbox',
                                'checked' => true,
                                'readonly' => isset($foundSku),
                            ];

                            $skuInputOptions = [
                                'label' => false,
                                'required' => isset($foundSku),
                                'value' => $foundSku && isset($existingProductSkus[$foundSku]['sku']) ? $existingProductSkus[$foundSku]['sku'] : '',
                            ];

//                            if ($foundSku) {
//                                dd($existingProductSkus[$foundSku]['sku']);
//                            }
                            ?>
                            <tr>
                                <td>
                                    <?= $this->Form->hidden($cnt . '.id', ['value' => $foundSku]); ?>
                                    <?= $this->Form->control($cnt . '.sku', $skuInputOptions); ?>

                                </td>
                                <td><?= $this->Form->control($cnt . '.barcode', $labelFalse); ?></td>
                                <td><?= $this->Form->control($cnt . '.price', $labelFalse); ?></td>
                                <td><?= $this->Form->control($cnt . '.cost', $labelFalse); ?></td>
                                <?php
                                $variantCnt = 0;
                                if (isset($foundSku) && isset($existingProductSkus[$foundSku])) : ?>
                                    <?php foreach ($existingProductSkus[$foundSku]['product_sku_variant_values'] as $existingVariantValueRecord) : ?>
                                        <td>
                                            <?= $this->Form->hidden($cnt . '.product_sku_variant_values.' . $variantCnt . '.id', ['value' => $existingVariantValueRecord->id]); ?>
                                            <?= $this->Form->hidden($cnt . '.product_sku_variant_values.' . $variantCnt . '.product_sku_id', ['value' => $foundSku]); ?>
                                            <?= $this->Form->hidden($cnt . '.product_sku_variant_values.' . $variantCnt . '.product_variant_id', ['value' => $existingVariantValueRecord->product_variant_id ?? null]); ?>
                                            <?= $this->Form->hidden($cnt . '.product_sku_variant_values.' . $variantCnt . '.product_category_variant_option_id', ['value' => $existingVariantValueRecord->product_category_variant_option_id ?? null]); ?>
                                            <?= $optionMapping[$combination[$existingVariantValueRecord->product_variant_id]]; ?>
                                        </td>
                                        <?php
                                        $variantCnt++;
                                    endforeach; ?>
                                <?php else : ?>
                                    <?php foreach ($variantNameMapping as $singleVariantId => $singleVariantName) : ?>
                                        <td>
                                            <?= isset($foundSku) ? $this->Form->hidden($cnt . '.product_sku_variant_values.' . $variantCnt . '.product_sku_id', ['value' => $foundSku]) : ''; ?>
                                            <?= $this->Form->hidden($cnt . '.product_sku_variant_values.' . $variantCnt . '.product_variant_id', ['value' => $productVariantsMapping[$singleVariantId] ?? null]); ?>
                                            <?= $this->Form->hidden($cnt . '.product_sku_variant_values.' . $variantCnt . '.product_category_variant_option_id', ['value' => $combination[$productVariantsMapping[$singleVariantId]] ?? null]); ?>
                                            <?= $optionMapping[$combination[$productVariantsMapping[$singleVariantId]]]; ?>
                                        </td>
                                        <?php
                                        $variantCnt++;
                                    endforeach; ?>
                                <?php endif; ?>
                            </tr>
                            <?php
                            $cnt++;

                        endforeach;

                        //                        dd($found);
                        ?>
                        </tbody>
                    </table>
                </div>
            </fieldset>
            <?= $this->Form->button(__('Submit')) ?>
            <?= $this->Form->end() ?>
        </div>
    </div>
</div>