233 lines
8.7 KiB
PHP
233 lines
8.7 KiB
PHP
<?php
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namespace App\Exports;
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use App\Exceptions\RepositoryException;
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use App\Models\BillModel;
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use App\Models\ProductCategoryModel;
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use App\Models\ProductModel;
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use App\Services\BillDetailService;
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use Illuminate\Support\Collection;
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use Maatwebsite\Excel\Concerns\FromCollection;
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use Maatwebsite\Excel\Concerns\WithStyles;
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use PhpOffice\PhpSpreadsheet\Worksheet\Worksheet;
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/**
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* 门店账单合并导出：勾选账单跨账单按商品合并明细（可按一级分类过滤），
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* 表尾汇总商品金额/配送费/附加金额/售后金额/总金额
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*/
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class BillExport implements FromCollection, WithStyles
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{
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private ?Collection $rows = null;
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/** @var array<int, string> 特殊行索引（1 起）=> 类型（title/scope/header/summary/grand） */
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private array $specialRows = [];
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/** @var array<int, int> 标签需左合并 A:G 的合计行索引 */
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private array $mergeRows = [];
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/** 列头所在行索引 */
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private int $headerRow = 1;
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/**
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* @param Collection<int, BillModel> $bills 勾选账单（已按 bill_date/id 排序，with store）
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* @param int $categoryId 一级分类ID（0=全部）
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*/
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public function __construct(
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private readonly Collection $bills,
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private readonly int $categoryId = 0,
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) {
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}
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/**
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* 导出行：标题/范围/列头/明细/合计全部手工构建（行位置不固定，不用 WithHeadings）
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*/
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public function collection(): Collection
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{
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if ($this->rows !== null) {
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return $this->rows;
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}
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$items = app(BillDetailService::class)->mergedItemsOfBills(
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$this->bills->pluck('id')->map(static fn ($id): int => (int) $id)->all()
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);
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$categoryName = '全部';
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if ($this->categoryId > 0) {
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[$items, $categoryName] = $this->filterByRootCategory($items);
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}
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$rows = [];
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$rowIndex = 0;
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// 标题行
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$rows[] = ['门店账单合并导出（共 ' . $this->bills->count() . ' 张）'];
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$this->specialRows[++$rowIndex] = 'title';
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// 范围行：账单号 / 门店 / 分类 / 导出时间
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$billNos = $this->bills->pluck('bill_no')->all();
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$billNoText = count($billNos) > 8
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? implode('、', array_slice($billNos, 0, 8)) . ' 等 ' . count($billNos) . ' 张'
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: implode('、', $billNos);
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$storeNames = $this->bills
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->map(static fn (BillModel $bill): string => $bill->store->name ?? ('门店#' . $bill->store_id))
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->unique()
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->values()
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->all();
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$rows[] = ['账单号：' . $billNoText];
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$this->specialRows[++$rowIndex] = 'scope';
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$rows[] = ['门店：' . implode('、', $storeNames) . ' 分类：' . $categoryName . ' 导出时间：' . now()->format('Y-m-d H:i:s')];
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$this->specialRows[++$rowIndex] = 'scope';
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// 空行
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$rows[] = [''];
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$rowIndex++;
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// 列头
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$rows[] = ['序号', '品名', '包规', '单位', '单价', '数量', '重量(斤)', '金额'];
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$this->specialRows[++$rowIndex] = 'header';
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$this->headerRow = $rowIndex;
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// 明细行（跨账单同商品已合并，单价为加权平均）
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$totalQuantity = 0;
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$totalWeight = '0';
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$totalAmount = '0';
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foreach (array_values($items) as $sort => $item) {
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$rows[] = [
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$sort + 1,
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$item['product_name'],
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$item['product_spec'],
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$item['unit'],
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(float) $item['price'],
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(int) $item['quantity'],
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(float) $item['weight'],
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(float) $item['amount'],
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];
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$rowIndex++;
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$totalQuantity += (int) $item['quantity'];
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$totalWeight = bcadd($totalWeight, $item['weight'], 3);
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$totalAmount = bcadd($totalAmount, $item['amount'], 2);
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}
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// 商品合计行
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$rows[] = ['', '合计', '', '', '', $totalQuantity, (float) $totalWeight, (float) $totalAmount];
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$this->specialRows[++$rowIndex] = 'summary';
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// 配送费/附加金额/售后金额/总金额（账单级费用全额汇总，不受分类过滤影响）
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$deliveryTotal = '0';
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$addedTotal = '0';
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$afterSaleTotal = '0';
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$boxNum = 0;
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$trayNum = 0;
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foreach ($this->bills as $bill) {
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$deliveryTotal = bcadd($deliveryTotal, (string) $bill->delivery_fee, 2);
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$addedTotal = bcadd($addedTotal, (string) $bill->added_amount, 2);
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$afterSaleTotal = bcadd($afterSaleTotal, (string) $bill->after_sale, 2);
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$boxNum += (int) $bill->box_num;
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$trayNum += (int) $bill->tray_num;
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}
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$grandTotal = bcadd(bcadd(bcadd($totalAmount, $deliveryTotal, 2), $addedTotal, 2), $afterSaleTotal, 2);
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$rows[] = ['配送费合计', '', '', '', '', '', '', (float) $deliveryTotal];
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$this->specialRows[++$rowIndex] = 'summary';
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$this->mergeRows[] = $rowIndex;
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$rows[] = ['附加金额合计（周转筐 ' . $boxNum . ' 个 / 周转托盘 ' . $trayNum . ' 个）', '', '', '', '', '', '', (float) $addedTotal];
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$this->specialRows[++$rowIndex] = 'summary';
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$this->mergeRows[] = $rowIndex;
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$rows[] = ['售后金额合计（可正负）', '', '', '', '', '', '', (float) $afterSaleTotal];
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$this->specialRows[++$rowIndex] = 'summary';
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$this->mergeRows[] = $rowIndex;
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$rows[] = ['总金额（商品金额+配送费+附加金额+售后金额）', '', '', '', '', '', '', (float) $grandTotal];
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$this->specialRows[++$rowIndex] = 'grand';
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$this->mergeRows[] = $rowIndex;
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return $this->rows = collect($rows);
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}
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/**
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* 标题/列头/合计行加粗，合计行标签左合并 A:G，冻结列头
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*/
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public function styles(Worksheet $sheet): array
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{
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$this->collection();
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$sheet->freezePane('A' . ($this->headerRow + 1));
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$sheet->getColumnDimension('A')->setWidth(6);
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$sheet->getColumnDimension('B')->setWidth(24);
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$sheet->getColumnDimension('C')->setWidth(14);
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$sheet->getColumnDimension('D')->setWidth(8);
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$sheet->getColumnDimension('E')->setWidth(10);
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$sheet->getColumnDimension('F')->setWidth(10);
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$sheet->getColumnDimension('G')->setWidth(12);
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$sheet->getColumnDimension('H')->setWidth(12);
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foreach ($this->mergeRows as $row) {
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$sheet->mergeCells('A' . $row . ':G' . $row);
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}
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$styles = [];
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foreach ($this->specialRows as $row => $type) {
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$style = match ($type) {
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'title' => ['font' => ['bold' => true, 'size' => 14]],
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'header', 'summary' => ['font' => ['bold' => true]],
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'grand' => ['font' => ['bold' => true, 'size' => 12]],
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default => [],
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};
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if ($style !== []) {
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$styles[$row] = $style;
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}
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}
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return $styles;
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}
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/**
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* 按一级分类过滤明细：沿 parent_id 上溯取根分类（商品含软删除，保证历史账单可导出），
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* 仅保留根分类为所选分类的行
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*
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* @param array<int, array> $items 合并后的商品明细
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* @return array{0: array<int, array>, 1: string} [过滤后明细, 一级分类名]
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*/
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private function filterByRootCategory(array $items): array
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{
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$categories = ProductCategoryModel::all()->keyBy('id');
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$categoryName = $categories->get($this->categoryId)->name ?? ('分类#' . $this->categoryId);
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$productCategoryIds = ProductModel::withTrashed()
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->whereIn('id', array_column($items, 'product_id'))
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->pluck('category_id', 'id');
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// 商品ID => 根分类ID（与采购单导出同口径的上溯解析）
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$rootIds = [];
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foreach ($productCategoryIds as $productId => $categoryId) {
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$rootId = 0;
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$cursor = (int) $categoryId;
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$guard = 0;
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while ($cursor > 0 && $guard++ < 20) {
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$category = $categories->get($cursor);
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if ($category === null) {
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break;
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}
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$rootId = (int) $category->id;
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$cursor = (int) $category->parent_id;
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}
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$rootIds[(int) $productId] = $rootId;
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}
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$categoryId = $this->categoryId;
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$filtered = array_values(array_filter(
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$items,
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static fn (array $row): bool => ($rootIds[$row['product_id']] ?? 0) === $categoryId
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));
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if ($filtered === []) {
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throw new RepositoryException('所选账单在「' . $categoryName . '」分类下无商品明细');
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}
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return [$filtered, $categoryName];
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}
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}
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