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<?php |
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|
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namespace SyncBasalam\Admin\Product\Data\Services; |
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|
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use SyncBasalam\Admin\Settings\SettingsConfig; |
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|
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defined('ABSPATH') || exit; |
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|
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class VariantService |
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{ |
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private $priceService; |
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private array $settings; |
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|
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public function __construct() |
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{ |
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$this->priceService = new PriceService(); |
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$this->settings = syncBasalamSettings()->getSettings(); |
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} |
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|
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public function getVariants($product): array |
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{ |
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if (!$product instanceof \WC_Product_Variable) return []; |
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|
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return array_column($this->getVariantEntries($product), 'data'); |
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} |
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|
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private function getVariantEntries($product): array |
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{ |
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$entries = []; |
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$seen = []; |
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|
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// Children follow WooCommerce's menu order: the first matching variation |
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// owns a combination when a specific variation overlaps an "Any" one. |
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foreach ($product->get_children() as $variationId) { |
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$variation = wc_get_product($variationId); |
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if (!$variation || $variation->get_status() !== 'publish') continue; |
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|
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$combinations = $this->expandVariationAttributes($variation, $product); |
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$variant = $this->createVariant($variationId, $product); |
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$mapping = get_post_meta($variationId, 'sync_basalam_variation_map', true); |
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$isWildcard = $this->isWildcardVariation($variation, $product); |
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|
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foreach ($combinations as $attributes) { |
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$keyAttributes = $attributes; |
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ksort($keyAttributes); |
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$key = wp_json_encode($keyAttributes); |
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if (isset($seen[$key])) continue; |
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$seen[$key] = true; |
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if (!$variant) continue; |
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|
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$data = $variant; |
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$data['properties'] = $this->getVariantProperties($variation, $product, $attributes); |
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$propertyKey = $this->getPropertyKey($data['properties']); |
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if (is_array($mapping)) { |
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unset($data['id']); |
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if (!empty($mapping[$propertyKey])) $data['id'] = $mapping[$propertyKey]; |
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} elseif ($isWildcard) { |
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// Rebuild legacy empty-property variants through a product PATCH. |
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unset($data['id']); |
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} |
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|
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$entries[] = ['variation_id' => $variationId, 'data' => $data]; |
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} |
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} |
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|
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return $entries; |
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} |
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|
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private function expandVariationAttributes($variation, $product): array |
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{ |
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$selected = $variation->get_variation_attributes(); |
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if (!$product->get_variation_attributes()) return []; |
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$combinations = [[]]; |
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|
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foreach ($product->get_variation_attributes() as $name => $options) { |
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$attributeName = 'attribute_' . sanitize_title($name); |
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$value = $selected[$attributeName] ?? ''; |
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$values = $value === '' ? $options : [$value]; |
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$values = array_values(array_unique(array_filter($values, static function ($option) { |
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return trim((string) $option) !== ''; |
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}))); |
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|
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$expanded = []; |
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foreach ($combinations as $combination) { |
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foreach ($values as $option) { |
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$expanded[] = array_merge($combination, [$attributeName => (string) $option]); |
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} |
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} |
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$combinations = $expanded; |
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} |
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|
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return $combinations; |
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} |
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|
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private function isWildcardVariation($variation, $product): bool |
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{ |
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$attributes = $variation->get_variation_attributes(); |
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foreach ($product->get_variation_attributes() as $name => $options) { |
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if (($attributes['attribute_' . sanitize_title($name)] ?? '') === '') return true; |
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} |
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|
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return false; |
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} |
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|
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private function needsExpandedMapping($product): bool |
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{ |
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if (!$product instanceof \WC_Product_Variable) return false; |
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|
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foreach ($product->get_children() as $variationId) { |
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$variation = wc_get_product($variationId); |
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if (!$variation) continue; |
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if ($this->isWildcardVariation($variation, $product)) return true; |
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if (get_post_meta($variationId, 'sync_basalam_variation_map', true)) return true; |
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} |
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|
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return false; |
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} |
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|
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/** Map every expanded remote variant back to its original WooCommerce variation. */ |
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public function syncExpandedVariationIds($product, array $variants): void |
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{ |
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if (!$this->needsExpandedMapping($product)) return; |
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|
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$remoteIds = []; |
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foreach ($variants as $variant) { |
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if (!empty($variant['id'])) { |
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$remoteIds[$this->getPropertyKey($variant['properties'] ?? [])] = $variant['id']; |
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} |
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} |
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|
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$mappings = []; |
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foreach ($this->getVariantEntries($product) as $entry) { |
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$key = $this->getPropertyKey($entry['data']['properties']); |
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if (isset($remoteIds[$key])) $mappings[$entry['variation_id']][$key] = $remoteIds[$key]; |
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} |
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|
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foreach ($product->get_children() as $variationId) { |
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delete_post_meta($variationId, 'sync_basalam_variation_id'); |
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delete_post_meta($variationId, 'sync_basalam_variation_map'); |
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if (empty($mappings[$variationId])) continue; |
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|
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update_post_meta($variationId, 'sync_basalam_variation_map', $mappings[$variationId]); |
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// Separate rows keep the existing order lookup working for every id. |
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foreach (array_unique($mappings[$variationId]) as $remoteId) { |
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add_post_meta($variationId, 'sync_basalam_variation_id', $remoteId); |
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} |
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} |
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} |
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|
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private function getPropertyKey(array $properties): string |
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{ |
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$values = []; |
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foreach ($properties as $property) { |
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$name = $property['property'] ?? ''; |
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$value = $property['value'] ?? ''; |
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if (is_array($name)) $name = $name['title'] ?? $name['name'] ?? ''; |
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if (is_array($value)) $value = $value['title'] ?? $value['name'] ?? ''; |
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$values[$this->normalizeProperty($name)] = $this->normalizeProperty($value); |
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} |
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ksort($values); |
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|
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return wp_json_encode($values); |
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} |
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|
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private function normalizeProperty(string $value): string |
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{ |
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$value = mb_strtolower(trim(rawurldecode($value)), 'UTF-8'); |
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$value = str_replace(['ي', 'ك', '-', '_', '–', '—'], ['ی', 'ک', ' ', ' ', ' ', ' '], $value); |
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return preg_replace('/\s+/u', ' ', $value); |
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} |
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|
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private function createVariant(int $variationId, $parentProduct): ?array |
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{ |
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$variation = wc_get_product($variationId); |
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if (!$variation) return null; |
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|
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$price = $this->priceService->calculateFinalPrice($variation); |
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if (!$price) return null; |
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|
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$basalamVariantId = get_post_meta($variationId, 'sync_basalam_variation_id', true); |
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|
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$variantData = [ |
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'primary_price' => $price, |
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'stock' => $this->getVariantStock($variation, $parentProduct), |
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'properties' => $this->getVariantProperties($variation, $parentProduct), |
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]; |
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|
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$sku = trim((string) $variation->get_sku()); |
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if ($sku !== '') { |
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$variantData['sku'] = $sku; |
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} |
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|
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// Add Basalam variant ID if it exists |
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if (!empty($basalamVariantId)) { |
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$variantData['id'] = $basalamVariantId; |
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} |
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|
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return $variantData; |
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} |
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|
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private function getVariantStock($variation, $parentProduct): int |
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{ |
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$defaultStock = $this->settings[SettingsConfig::DEFAULT_STOCK_QUANTITY]; |
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$safeStock = $this->settings[SettingsConfig::SAFE_STOCK]; |
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$stockSource = $this->settings[SettingsConfig::VARIABLE_PRODUCT_STOCK_SOURCE]; |
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|
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[$stock, $stockStatus] = $this->resolveStockByPriority($stockSource, $variation, $parentProduct); |
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|
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$calculatedStock = $stockStatus === 'instock' ? $stock ?? $defaultStock : 0; |
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if ($safeStock > 0 && $calculatedStock <= $safeStock) return 0; |
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return $calculatedStock; |
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} |
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|
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private function resolveStockByPriority(string $stockSource, $variation, $parentProduct): array |
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{ |
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$preferredProduct = $stockSource === 'product' ? $parentProduct : $variation; |
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$fallbackProduct = $stockSource === 'product' ? $variation : $parentProduct; |
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|
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$stock = $preferredProduct->get_stock_quantity(); |
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$stockStatus = $preferredProduct->get_stock_status(); |
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|
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// If preferred source has no numeric stock, fallback to the other source. |
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if ($stock === null && $stockStatus === 'instock') { |
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$fallbackStock = $fallbackProduct->get_stock_quantity(); |
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$fallbackStockStatus = $fallbackProduct->get_stock_status(); |
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|
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if ($fallbackStock !== null || $fallbackStockStatus !== 'instock') { |
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$stock = $fallbackStock; |
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$stockStatus = $fallbackStockStatus; |
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} |
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} |
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|
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return [$stock, $stockStatus]; |
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} |
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|
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private function getVariantProperties($variation, $parentProduct, ?array $attributes = null): array |
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{ |
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$properties = []; |
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$variationData = $attributes ?? $variation->get_variation_attributes(); |
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|
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foreach ($variationData as $attributeName => $attributeValue) { |
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$taxonomyName = str_replace('attribute_', '', $attributeName); |
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$attributeLabel = str_replace(['pa_', '-'], ' ', wc_attribute_label($taxonomyName, $parentProduct)); |
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|
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$valueName = rawurldecode($attributeValue); |
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if (taxonomy_exists($taxonomyName)) { |
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$term = get_term_by('slug', $attributeValue, $taxonomyName); |
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if ($term && !is_wp_error($term)) { |
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$valueName = $term->name; |
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} |
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} |
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|
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$properties[] = [ |
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'property' => $attributeLabel, |
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'value' => str_replace('-', ' ', mb_convert_encoding($valueName, 'UTF-8', 'auto')), |
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]; |
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} |
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|
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return $properties; |
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} |
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} |
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|
