85 lines
2.9 KiB
PHP
85 lines
2.9 KiB
PHP
<?php
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namespace App\Business;
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/**
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* 平台数字 SKU → 历史已拆分内部商品编码。
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*
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* 平台 shop_sku_id 已包含平台规格维度；仅当同一 shop_sku_id + shop_i_id
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* 的历史内部编码唯一时才允许替换，多候选保持待核验。
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*/
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class StoreReceiptPlatformSkuMapper
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{
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/** @var array<string,array<string,int>> */
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private array $internalSkus = [];
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/** @var array<string,array<string,int>> */
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private array $internalProperties = [];
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/** @var array<string,int> */
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private array $historyRows = [];
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/** @param iterable<object|array<string,mixed>> $historyRows */
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public function __construct(iterable $historyRows)
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{
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foreach ($historyRows as $row) {
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$shopSkuId = trim((string) $this->value($row, 'shop_sku_id'));
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$shopItemId = trim((string) $this->value($row, 'shop_i_id'));
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$skuId = trim((string) $this->value($row, 'sku_id'));
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$itemId = trim((string) $this->value($row, 'i_id'));
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if ($shopSkuId === '' || $shopItemId === '' || $skuId === '') {
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continue;
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}
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// 平台原始行的 i_id 等于 shop_i_id；内部拆分行的 i_id 是内部款式编码。
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if ($itemId === '' || $itemId === $shopItemId) {
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continue;
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}
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$key = $this->key($shopSkuId, $shopItemId);
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$this->internalSkus[$key][$skuId] = ($this->internalSkus[$key][$skuId] ?? 0) + 1;
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$property = trim((string) $this->value($row, 'properties_value'));
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if ($property !== '') {
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$this->internalProperties[$key][$property] = ($this->internalProperties[$key][$property] ?? 0) + 1;
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}
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$this->historyRows[$key] = ($this->historyRows[$key] ?? 0) + 1;
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}
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}
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/**
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* @return array{
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* status:string,
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* internal_sku:?string,
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* candidates:list<string>,
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* history_rows:int,
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* internal_properties:list<string>
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* }
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*/
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public function resolve(string $shopSkuId, string $shopItemId): array
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{
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$key = $this->key(trim($shopSkuId), trim($shopItemId));
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$skus = array_keys($this->internalSkus[$key] ?? []);
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sort($skus);
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$properties = array_keys($this->internalProperties[$key] ?? []);
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sort($properties);
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return [
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'status' => count($skus) === 1 ? 'unique' : ($skus === [] ? 'missing' : 'ambiguous'),
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'internal_sku' => count($skus) === 1 ? $skus[0] : null,
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'candidates' => $skus,
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'history_rows' => (int) ($this->historyRows[$key] ?? 0),
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'internal_properties' => $properties,
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];
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}
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private function key(string $shopSkuId, string $shopItemId): string
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{
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return $shopSkuId . "\0" . $shopItemId;
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}
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private function value(object|array $row, string $key): mixed
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{
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return is_array($row) ? ($row[$key] ?? null) : ($row->{$key} ?? null);
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}
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}
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