298 lines
12 KiB
PHP
298 lines
12 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\ProductCategoryModel;
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use App\Models\ProductModel;
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use App\Models\PurchaseOrderModel;
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use App\Models\StoreModel;
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use App\Models\StoreOrderItemModel;
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use App\Models\SupplierModel;
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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\WithStrictNullComparison;
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use Maatwebsite\Excel\Concerns\WithStyles;
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use PhpOffice\PhpSpreadsheet\Cell\Coordinate;
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use PhpOffice\PhpSpreadsheet\Worksheet\Worksheet;
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/**
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* 采购单商品明细导出：系统全部商品行（含本采购单无订货的商品，数量 0），
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* 支持按供应商筛选；行尾合计 + 门店列合计；门店列整列填充突出颜色
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*/
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class PurchaseOrderExport implements FromCollection, WithStrictNullComparison, WithStyles
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{
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/** 门店列填充色（浅橙，突出显示） */
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private const string STORE_FILL = 'FFFFF7E6';
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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） */
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private array $specialRows = [];
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/** 列头所在行索引 */
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private int $headerRow = 1;
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/** 数据末行索引 */
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private int $lastRow = 1;
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/** @var array<int, string> 门店ID => 名称（导出列） */
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private array $storeNames = [];
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/**
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* @param PurchaseOrderModel $purchase 采购单
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* @param int $supplierId 供应商筛选（0=全部）
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*/
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public function __construct(
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private readonly PurchaseOrderModel $purchase,
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private readonly int $supplierId = 0,
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) {
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}
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/**
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* 导出行：标题/范围/列头/明细/合计全部手工构建（行位置不固定，不用 WithHeadings）
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*/
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public function collection(): Collection
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{
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if ($this->rows !== null) {
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return $this->rows;
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}
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// 本采购单订货明细（关联订单过滤软删）
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$orderItems = StoreOrderItemModel::query()
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->join('store_order', 'store_order.id', '=', 'store_order_item.order_id')
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->where('store_order_item.purchase_id', $this->purchase->id)
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->whereNull('store_order.deleted_at')
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->select('store_order_item.*')
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->get()
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->makeVisible('cost_price');
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$this->storeNames = StoreModel::withTrashed()
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->whereIn('id', $orderItems->pluck('store_id')->unique())
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->pluck('name', 'id')
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->toArray();
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// 明细按商品聚合（快照字段取首条；有订货的商品以快照供应商为准）
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$itemGroups = [];
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foreach ($orderItems->groupBy('product_id') as $productId => $group) {
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$first = $group->first();
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$quantity = '0';
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$weight = '0';
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$amount = '0';
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$storeQuantities = array_fill_keys(array_keys($this->storeNames), 0);
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foreach ($group as $item) {
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$quantity = bcadd($quantity, (string) $item->quantity, 2);
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$weight = bcadd($weight, (string) $item->weight, 3);
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// 金额 = 数量 × 每包成本价（单价/包规不参与金额计算）
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$amount = bcadd($amount, bcmul((string) $item->quantity, (string) $item->cost_price, 2), 2);
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$storeQuantities[(int) $item->store_id] = ($storeQuantities[(int) $item->store_id] ?? 0) + (int) $item->quantity;
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}
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$itemGroups[(int) $productId] = [
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'snapshot' => $first,
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'quantity' => $quantity,
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'weight' => $weight,
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'amount' => $amount,
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'store_quantities' => $storeQuantities,
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];
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}
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// 导出范围：系统全部上架商品 ∪ 本采购单有订货的商品（含已删/下架）
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$products = ProductModel::withTrashed()
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->with('category:id,sort')
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->where('status', ProductModel::STATUS_ON)
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->orWhereIn('id', array_keys($itemGroups))
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->get()
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->keyBy('id');
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$categoryNames = $this->rootCategoryNames($products->pluck('category_id', 'id')->all());
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$supplierNames = SupplierModel::withTrashed()->pluck('name', 'id')->toArray();
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// 组装商品行（供应商筛选：有订货按快照 supplier_id，无订货按档案 supplier_id）
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$items = [];
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foreach ($products as $productId => $product) {
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$group = $itemGroups[(int) $productId] ?? null;
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$snapshot = $group['snapshot'] ?? null;
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$rowSupplierId = (int) ($snapshot->supplier_id ?? $product->supplier_id);
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if ($this->supplierId > 0 && $rowSupplierId !== $this->supplierId) {
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continue;
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}
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$quantity = $group['quantity'] ?? '0';
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$amount = $group['amount'] ?? '0';
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$spec = (string) ($snapshot->product_spec ?? $product->spec);
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$items[] = [
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'product_id' => (int) $productId,
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'category' => $categoryNames[(int) $productId] ?? '',
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'product_name' => (string) ($snapshot->product_name ?? $product->name),
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'supplier' => $supplierNames[$rowSupplierId] ?? '',
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'market' => (string) ($product->market ?? ''),
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'product_spec' => $spec,
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'unit' => (string) ($snapshot->unit ?? $product->unit),
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'cost_price' => (float) ($snapshot->cost_price ?? $product->cost_price),
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// 单价 = 加权平均售价 ÷ 包规数值（无订货行无售价数据，留空）
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'retail_price' => $group !== null && (float) $quantity > 0
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? $this->unitRefPrice((float) bcdiv($amount, $quantity, 4), $spec)
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: null,
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'quantity' => (float) $quantity,
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'weight' => (float) ($group['weight'] ?? '0'),
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'amount' => (float) $amount,
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'store_quantities' => $group['store_quantities']
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?? array_fill_keys(array_keys($this->storeNames), 0),
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'category_sort' => (int) ($product->category->sort ?? 9999),
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'product_sort' => (int) ($product->sort ?? 9999),
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];
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}
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usort($items, static fn (array $a, array $b): int =>
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[$a['category_sort'], $a['product_sort'], $a['product_id']]
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<=> [$b['category_sort'], $b['product_sort'], $b['product_id']]);
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if ($items === []) {
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throw new RepositoryException('该供应商在系统中无商品行，无法导出');
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}
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// ===== 手工建行 =====
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$rows = [];
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$rowIndex = 0;
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// 标题行
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$rows[] = ['采购单 ' . $this->purchase->purchase_no . '（采购日期 ' . $this->purchase->purchase_date->toDateString() . '）'];
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$this->specialRows[++$rowIndex] = 'title';
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// 范围行：供应商筛选 / 导出时间
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$scopeSupplier = '全部';
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if ($this->supplierId > 0) {
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$scopeSupplier = $supplierNames[$this->supplierId] ?? ('供应商#' . $this->supplierId);
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}
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$rows[] = ['供应商：' . $scopeSupplier . ' 导出时间：' . now()->format('Y-m-d H:i:s')];
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$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[] = array_merge(
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['序号', '分类', '品名', '供应商', '市场', '包规', '单位', '成本', '单价', '数量', '实际称重', '金额'],
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array_values($this->storeNames),
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);
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$this->specialRows[++$rowIndex] = 'header';
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$this->headerRow = $rowIndex;
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// 明细行
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$totalQuantity = '0';
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$totalWeight = '0';
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$totalAmount = '0';
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$storeTotals = array_fill_keys(array_keys($this->storeNames), 0);
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foreach (array_values($items) as $sort => $item) {
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$rows[] = array_merge([
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$sort + 1,
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$item['category'],
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$item['product_name'],
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$item['supplier'],
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$item['market'],
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$item['product_spec'],
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$item['unit'],
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$item['cost_price'],
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$item['retail_price'] !== null ? $item['retail_price'] : '',
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$item['quantity'],
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$item['weight'],
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$item['amount'],
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], array_values($item['store_quantities']));
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$rowIndex++;
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$totalQuantity = bcadd($totalQuantity, (string) $item['quantity'], 2);
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$totalWeight = bcadd($totalWeight, (string) $item['weight'], 3);
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$totalAmount = bcadd($totalAmount, (string) $item['amount'], 2);
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foreach ($item['store_quantities'] as $storeId => $qty) {
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$storeTotals[$storeId] += $qty;
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}
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}
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// 合计行（行合计 + 门店列合计）
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$rows[] = array_merge(
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['', '', '合计', '', '', '', '', '', '', (float) $totalQuantity, (float) $totalWeight, (float) $totalAmount],
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array_values($storeTotals),
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);
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$this->specialRows[++$rowIndex] = 'summary';
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$this->lastRow = $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/合计加粗，门店列整列填充突出颜色，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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$widths = [6, 10, 20, 12, 12, 12, 8, 10, 12, 10, 12, 12];
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foreach ($widths as $index => $width) {
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$sheet->getColumnDimension(Coordinate::stringFromColumnIndex($index + 1))->setWidth($width);
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}
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// 门店列整列（列头 → 合计行）填充突出颜色
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$storeCount = count($this->storeNames);
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for ($i = 0; $i < $storeCount; $i++) {
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$column = Coordinate::stringFromColumnIndex(13 + $i);
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$sheet->getColumnDimension($column)->setWidth(12);
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$sheet->getStyle($column . $this->headerRow . ':' . $column . $this->lastRow)
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->getFill()
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->setFillType(\PhpOffice\PhpSpreadsheet\Style\Fill::FILL_SOLID)
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->getStartColor()
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->setARGB(self::STORE_FILL);
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}
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$styles = [];
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foreach ($this->specialRows as $row => $type) {
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$style = match ($type) {
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'title' => ['font' => ['bold' => true, 'size' => 14]],
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'header', 'summary' => ['font' => ['bold' => true]],
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default => [],
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};
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if ($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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* 每单位参考价 = 整单价 ÷ 包规数值（包规解析不出正数时按 1 处理；仅展示参考）
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*/
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private function unitRefPrice(float $price, string $spec): float
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{
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$pack = (float) preg_replace('/[^0-9.].*$/', '', $spec);
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return $pack > 0 ? round($price / $pack, 2) : round($price, 2);
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}
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/**
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* 商品ID => 顶级分类名（沿 parent_id 上溯取根分类）
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*
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* @param array<int, int> $productCategoryIds 商品ID => 分类ID
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* @return array<int, string>
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*/
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private function rootCategoryNames(array $productCategoryIds): array
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{
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$categories = ProductCategoryModel::all()->keyBy('id');
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$names = [];
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foreach ($productCategoryIds as $productId => $categoryId) {
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$rootName = '';
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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 ($category === null) {
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break;
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}
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$rootName = $category->name;
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$cursor = (int) $category->parent_id;
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}
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$names[(int) $productId] = $rootName;
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}
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return $names;
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}
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}
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