> */ private array $internalSkus = []; /** @var array> */ private array $internalProperties = []; /** @var array */ private array $historyRows = []; /** @param iterable> $historyRows */ public function __construct(iterable $historyRows) { foreach ($historyRows as $row) { $shopSkuId = trim((string) $this->value($row, 'shop_sku_id')); $shopItemId = trim((string) $this->value($row, 'shop_i_id')); $skuId = trim((string) $this->value($row, 'sku_id')); $itemId = trim((string) $this->value($row, 'i_id')); if ($shopSkuId === '' || $shopItemId === '' || $skuId === '') { continue; } // 平台原始行的 i_id 等于 shop_i_id；内部拆分行的 i_id 是内部款式编码。 if ($itemId === '' || $itemId === $shopItemId) { continue; } $key = $this->key($shopSkuId, $shopItemId); $this->internalSkus[$key][$skuId] = ($this->internalSkus[$key][$skuId] ?? 0) + 1; $property = trim((string) $this->value($row, 'properties_value')); if ($property !== '') { $this->internalProperties[$key][$property] = ($this->internalProperties[$key][$property] ?? 0) + 1; } $this->historyRows[$key] = ($this->historyRows[$key] ?? 0) + 1; } } /** * @return array{ * status:string, * internal_sku:?string, * candidates:list, * history_rows:int, * internal_properties:list * } */ public function resolve(string $shopSkuId, string $shopItemId): array { $key = $this->key(trim($shopSkuId), trim($shopItemId)); $skus = array_keys($this->internalSkus[$key] ?? []); sort($skus); $properties = array_keys($this->internalProperties[$key] ?? []); sort($properties); return [ 'status' => count($skus) === 1 ? 'unique' : ($skus === [] ? 'missing' : 'ambiguous'), 'internal_sku' => count($skus) === 1 ? $skus[0] : null, 'candidates' => $skus, 'history_rows' => (int) ($this->historyRows[$key] ?? 0), 'internal_properties' => $properties, ]; } private function key(string $shopSkuId, string $shopItemId): string { return $shopSkuId . "\0" . $shopItemId; } private function value(object|array $row, string $key): mixed { return is_array($row) ? ($row[$key] ?? null) : ($row->{$key} ?? null); } }