308 lines
12 KiB
PHP
308 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\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 App\Services\WeightEstimator;
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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\Style\Alignment;
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use PhpOffice\PhpSpreadsheet\Style\Border;
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use PhpOffice\PhpSpreadsheet\Style\Fill;
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use PhpOffice\PhpSpreadsheet\Worksheet\Worksheet;
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/**
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* 门店账单单独导出：账单内明细按商品合并（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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/** 数量列填充色（浅黄） */
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private const string QUANTITY_FILL = 'FFFFF2CC';
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/** 金额列填充色（浅红） */
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private const string AMOUNT_FILL = 'FFFFCCCC';
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/** 金额格式：￥ + 两位小数 */
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private const string CURRENCY_FORMAT = '"￥"#,##0.00';
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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:F 的合计行索引 */
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private array $mergeRows = [];
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/** @var array<int, array{row: int, column: string, value: float}> 条件填色单元格（E=数量浅黄，G=金额浅红，非 0 填色） */
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private array $fillCells = [];
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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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/**
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* @param BillModel $bill 导出账单（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 BillModel $bill,
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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)->mergedItems($this->bill);
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$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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$bill = $this->bill;
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$rows = [];
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$rowIndex = 0;
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// 标题行
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$rows[] = ['门店账单 ' . $bill->bill_no];
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$this->specialRows[++$rowIndex] = 'title';
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// 范围行：门店 / 账单日期 / 分类 / 导出时间
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$storeName = $bill->store->name ?? ('门店#' . $bill->store_id);
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$rows[] = [
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'门店：' . $storeName
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. ' 账单日期：' . $bill->bill_date?->toDateString()
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. ' 分类：' . $categoryName
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. ' 导出时间：' . now('Asia/Shanghai')->format('Y-m-d H:i:s'),
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];
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$this->specialRows[++$rowIndex] = 'scope';
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// 空行
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$rows[] = [''];
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$rowIndex++;
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// 列头（包规=包规+单位合并；单价=每件零售价+单价单位）
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$rows[] = ['序号', '品名', '包规', '单价', '数量', '重量(斤)', '金额'];
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$this->specialRows[++$rowIndex] = 'header';
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$this->headerRow = $rowIndex;
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// 明细行（账单内同商品已合并，单价为每件价折算的零售价）
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$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'] . $item['unit'],
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self::retailPriceLabel($item),
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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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$this->fillCells[] = ['row' => $rowIndex, 'column' => 'E', 'value' => (float) $item['quantity']];
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$this->fillCells[] = ['row' => $rowIndex, 'column' => 'G', 'value' => (float) $item['amount']];
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$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[++$rowIndex] = 'summary';
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$this->fillCells[] = ['row' => $rowIndex, 'column' => 'E', 'value' => (float) $totalQuantity];
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$this->fillCells[] = ['row' => $rowIndex, 'column' => 'G', 'value' => (float) $totalAmount];
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// 配送费/附加金额/售后金额/总金额（账单级费用全额计入，不受分类过滤影响）
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$deliveryTotal = (string) $bill->delivery_fee;
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$addedTotal = (string) $bill->added_amount;
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$afterSaleTotal = (string) $bill->after_sale;
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$grandTotal = bcadd(bcadd(bcadd($totalAmount, $deliveryTotal, 2), $addedTotal, 2), $afterSaleTotal, 2);
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$rows[] = ['配送费', '', '', '', '', '', (float) $deliveryTotal];
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$this->specialRows[++$rowIndex] = 'summary';
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$this->mergeRows[] = $rowIndex;
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$this->fillCells[] = ['row' => $rowIndex, 'column' => 'G', 'value' => (float) $deliveryTotal];
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$rows[] = ['附加金额（周转筐 ' . (int) $bill->box_num . ' 个 / 周转托盘 ' . (int) $bill->tray_num . ' 个）', '', '', '', '', '', (float) $addedTotal];
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$this->specialRows[++$rowIndex] = 'summary';
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$this->mergeRows[] = $rowIndex;
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$this->fillCells[] = ['row' => $rowIndex, 'column' => 'G', 'value' => (float) $addedTotal];
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$rows[] = ['售后金额（可正负）', '', '', '', '', '', (float) $afterSaleTotal];
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$this->specialRows[++$rowIndex] = 'summary';
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$this->mergeRows[] = $rowIndex;
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$this->fillCells[] = ['row' => $rowIndex, 'column' => 'G', 'value' => (float) $afterSaleTotal];
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$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[] = $rowIndex;
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$this->fillCells[] = ['row' => $rowIndex, 'column' => 'G', 'value' => (float) $grandTotal];
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$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/合计行加粗，合计行标签左合并 A:F；全表居中 + 全边框；金额列货币格式；
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* 数量（浅黄）/金额（浅红）非 0 条件填色（0 不填、列头固定填色），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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$sheet->getColumnDimension('A')->setWidth(6);
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$sheet->getColumnDimension('B')->setWidth(24);
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$sheet->getColumnDimension('C')->setWidth(14);
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$sheet->getColumnDimension('D')->setWidth(12);
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$sheet->getColumnDimension('E')->setWidth(10);
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$sheet->getColumnDimension('F')->setWidth(12);
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$sheet->getColumnDimension('G')->setWidth(12);
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foreach ($this->mergeRows as $row) {
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$sheet->mergeCells('A' . $row . ':F' . $row);
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}
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// 全部单元格水平/垂直居中（合计行标签保持左对齐）
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$sheet->getStyle('A1:G' . $this->lastRow)
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->getAlignment()
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->setHorizontal(Alignment::HORIZONTAL_CENTER)
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->setVertical(Alignment::VERTICAL_CENTER);
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foreach ($this->mergeRows as $row) {
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$sheet->getStyle('A' . $row)->getAlignment()->setHorizontal(Alignment::HORIZONTAL_LEFT);
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}
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// 表格区域（列头 → 末行）添加所有边框
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$sheet->getStyle('A' . $this->headerRow . ':G' . $this->lastRow)
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->getBorders()
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->getAllBorders()
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->setBorderStyle(Border::BORDER_THIN);
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// 金额列货币格式：￥ + 两位小数（单价列为文本，不设格式）
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$sheet->getStyle('G' . ($this->headerRow + 1) . ':G' . $this->lastRow)
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->getNumberFormat()
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->setFormatCode(self::CURRENCY_FORMAT);
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// 列头固定填色：数量列（E）浅黄、金额列（G）浅红
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$this->fillCell($sheet, 'E' . $this->headerRow, self::QUANTITY_FILL);
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$this->fillCell($sheet, 'G' . $this->headerRow, self::AMOUNT_FILL);
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// 数据区条件填色：非 0 填色，0 无背景（金额含负值）
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foreach ($this->fillCells as $cell) {
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if ((float) $cell['value'] !== 0.0) {
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$this->fillCell(
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$sheet,
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$cell['column'] . $cell['row'],
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$cell['column'] === 'E' ? self::QUANTITY_FILL : self::AMOUNT_FILL
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);
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}
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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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* 单元格纯色填充
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*/
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private function fillCell(Worksheet $sheet, string $coordinate, string $argb): void
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{
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$sheet->getStyle($coordinate)
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->getFill()
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->setFillType(Fill::FILL_SOLID)
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->getStartColor()
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->setARGB($argb);
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}
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/**
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* 单价列文本：每件零售价（明细每件价 ÷ 包规折算每件斤数）+ 单价单位（如「1.74元/斤」）；
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* 包规无法折算（散装/无数字）时按每件原价显示
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*
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* @param array{price: string, product_spec: string, unit: string, price_unit?: string} $item
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*/
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private static function retailPriceLabel(array $item): string
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{
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$jinPerPiece = WeightEstimator::perUnitJin($item['product_spec'], $item['unit']);
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$retail = (float) $jinPerPiece > 0
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? bcdiv($item['price'], $jinPerPiece, 2)
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: $item['price'];
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return $retail . ($item['price_unit'] ?? '');
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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('该账单在「' . $categoryName . '」分类下无商品明细');
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}
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return [$filtered, $categoryName];
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}
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}
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