132 lines
4.7 KiB
PHP
132 lines
4.7 KiB
PHP
<?php
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namespace App\Modules\Inventory\Imports;
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use App\Modules\Inventory\Models\InventoryTransferItem;
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use App\Modules\Inventory\Models\InventoryTransferOrder;
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use App\Modules\Inventory\Models\Product;
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use Illuminate\Support\Collection;
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use Maatwebsite\Excel\Concerns\ToCollection;
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use Maatwebsite\Excel\Concerns\WithHeadingRow;
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use Maatwebsite\Excel\Concerns\WithMultipleSheets;
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use Exception;
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class InventoryTransferItemImport implements ToCollection, WithMultipleSheets
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{
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protected $transferOrder;
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public function __construct(InventoryTransferOrder $transferOrder)
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{
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$this->transferOrder = $transferOrder;
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}
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public function collection(Collection $rows)
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{
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if ($rows->isEmpty()) {
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throw new Exception("檔案中沒有資料。");
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}
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// 移除標題列並解析索引
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$headerRow = $rows->shift();
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$headers = $headerRow->toArray();
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// 建立標題對應索引 (支援中文與英文)
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$colMap = [
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'product_code' => -1,
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'batch_number' => -1,
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'quantity' => -1,
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'position' => -1,
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'notes' => -1,
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];
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foreach ($headers as $index => $label) {
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$label = trim((string)$label);
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if (in_array($label, ['商品代碼', 'product_code', 'shang_pin_dai_ma'])) $colMap['product_code'] = $index;
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if (in_array($label, ['批號', 'batch_number', 'pi_hao'])) $colMap['batch_number'] = $index;
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if (in_array($label, ['數量', 'quantity', 'shu_liang'])) $colMap['quantity'] = $index;
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if (in_array($label, ['貨道/儲位', '貨道', 'position', 'slot', 'huo_dao'])) $colMap['position'] = $index;
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if (in_array($label, ['備註', 'notes', 'bei_zhu'])) $colMap['notes'] = $index;
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}
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// 檢查必要欄位是否有找到
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if ($colMap['product_code'] === -1 || $colMap['quantity'] === -1) {
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$foundHeaders = implode(', ', array_filter($headers));
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throw new Exception("找不到必要的欄位「商品代碼」或「數量」。讀取到的標題為：{$foundHeaders}。請確認使用的是正確的範本。");
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}
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// 預先載入商品 (優化效能)
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$productCodes = $rows->map(fn($row) => trim((string)($row[$colMap['product_code']] ?? '')))->filter()->unique()->toArray();
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$products = Product::whereIn('code', $productCodes)->get()->keyBy('code');
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$newItems = [];
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$errors = [];
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foreach ($rows as $index => $row) {
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$productCode = trim((string)($row[$colMap['product_code']] ?? ''));
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$quantity = $row[$colMap['quantity']] ?? null;
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$batchNumber = $colMap['batch_number'] !== -1 ? trim((string)($row[$colMap['batch_number']] ?? '')) : '';
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$position = $colMap['position'] !== -1 ? trim((string)($row[$colMap['position']] ?? '')) : null;
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$notes = $colMap['notes'] !== -1 ? ($row[$colMap['notes']] ?? null) : null;
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// 跳過全空行
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if (empty($productCode) && ($quantity === null || $quantity === '')) {
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continue;
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}
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$lineNum = $index + 2; // 因為 shift 過，且 Excel 從 1 開始
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if (empty($productCode)) {
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$errors[] = "第 {$lineNum} 行：商品代碼不能為空";
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continue;
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}
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$product = $products->get($productCode);
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if (!$product) {
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$errors[] = "第 {$lineNum} 行：找不到商品代碼 '{$productCode}'";
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continue;
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}
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if (!is_numeric($quantity) || (float)$quantity <= 0) {
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$errors[] = "第 {$lineNum} 行：數量必須為大於 0 的數字 (目前值: " . ($quantity ?? '空') . ")";
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continue;
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}
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if (empty($batchNumber)) {
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$batchNumber = 'NO-BATCH';
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}
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$newItems[] = [
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'transfer_order_id' => $this->transferOrder->id,
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'product_id' => $product->id,
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'batch_number' => $batchNumber,
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'quantity' => (float)$quantity,
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'position' => $position,
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'notes' => $notes,
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'created_at' => now(),
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'updated_at' => now(),
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];
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}
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if (count($errors) > 0) {
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throw new Exception(implode("\n", $errors));
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}
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if (count($newItems) === 0) {
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throw new Exception("檔案中沒有可匯入的有效資料。");
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}
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InventoryTransferItem::insert($newItems);
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$this->transferOrder->touch();
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}
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/**
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* 指定只匯入第一個分頁 (明細匯入)
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*/
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public function sheets(): array
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{
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return [
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0 => $this,
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];
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}
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}
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