334 lines
13 KiB
PHP
334 lines
13 KiB
PHP
<?php
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namespace App\Http\Controllers;
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use App\Models\PurchaseOrder;
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use App\Models\Vendor;
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use App\Models\Warehouse;
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use Illuminate\Http\Request;
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use Inertia\Inertia;
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use Illuminate\Support\Facades\DB;
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class PurchaseOrderController extends Controller
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{
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public function index(Request $request)
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{
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$query = PurchaseOrder::with(['vendor', 'warehouse', 'user']);
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// Search
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if ($request->search) {
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$query->where(function($q) use ($request) {
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$q->where('code', 'like', "%{$request->search}%")
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->orWhereHas('vendor', function($vq) use ($request) {
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$vq->where('name', 'like', "%{$request->search}%");
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});
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});
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}
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// Filters
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if ($request->status && $request->status !== 'all') {
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$query->where('status', $request->status);
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}
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if ($request->warehouse_id && $request->warehouse_id !== 'all') {
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$query->where('warehouse_id', $request->warehouse_id);
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}
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// Sorting
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$sortField = $request->sort_field ?? 'id';
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$sortDirection = $request->sort_direction ?? 'desc';
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$allowedSortFields = ['id', 'code', 'status', 'total_amount', 'created_at', 'expected_delivery_date'];
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if (in_array($sortField, $allowedSortFields)) {
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$query->orderBy($sortField, $sortDirection);
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}
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$orders = $query->paginate(15)->withQueryString();
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return Inertia::render('PurchaseOrder/Index', [
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'orders' => $orders,
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'filters' => $request->only(['search', 'status', 'warehouse_id', 'sort_field', 'sort_direction']),
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'warehouses' => Warehouse::all(['id', 'name']),
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]);
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}
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public function create()
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{
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$vendors = Vendor::with('products')->get()->map(function ($vendor) {
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return [
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'id' => (string) $vendor->id,
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'name' => $vendor->name,
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'commonProducts' => $vendor->products->map(function ($product) {
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return [
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'productId' => (string) $product->id,
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'productName' => $product->name,
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'unit' => $product->purchase_unit ?: ($product->large_unit ?: $product->base_unit), // 優先使用採購單位 > 大單位 > 基本單位
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'base_unit' => $product->base_unit,
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'purchase_unit' => $product->purchase_unit ?: $product->large_unit, // 若無採購單位，預設為大單位
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'conversion_rate' => (float) $product->conversion_rate,
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'lastPrice' => (float) ($product->pivot->last_price ?? 0),
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];
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})
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];
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});
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$warehouses = Warehouse::all()->map(function ($w) {
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return [
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'id' => (string) $w->id,
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'name' => $w->name,
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];
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});
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return Inertia::render('PurchaseOrder/Create', [
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'suppliers' => $vendors,
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'warehouses' => $warehouses,
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]);
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}
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public function store(Request $request)
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{
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$validated = $request->validate([
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'vendor_id' => 'required|exists:vendors,id',
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'warehouse_id' => 'required|exists:warehouses,id',
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'expected_delivery_date' => 'nullable|date',
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'remark' => 'nullable|string',
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'items' => 'required|array|min:1',
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'items.*.productId' => 'required|exists:products,id',
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'items.*.quantity' => 'required|numeric|min:0.01',
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'items.*.unitPrice' => 'required|numeric|min:0',
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]);
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try {
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DB::beginTransaction();
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// 生成單號：YYYYMMDD001
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$today = now()->format('Ymd');
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$lastOrder = PurchaseOrder::where('code', 'like', $today . '%')
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->lockForUpdate() // 鎖定以避免並發衝突
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->orderBy('code', 'desc')
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->first();
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if ($lastOrder) {
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// 取得最後 3 碼序號並加 1
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$lastSequence = intval(substr($lastOrder->code, -3));
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$sequence = str_pad($lastSequence + 1, 3, '0', STR_PAD_LEFT);
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} else {
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$sequence = '001';
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}
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$code = $today . $sequence;
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$totalAmount = 0;
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foreach ($validated['items'] as $item) {
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$totalAmount += $item['quantity'] * $item['unitPrice'];
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}
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// Simple tax calculation (e.g., 5%)
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$taxAmount = round($totalAmount * 0.05, 2);
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$grandTotal = $totalAmount + $taxAmount;
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// 確保有一個有效的使用者 ID
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$userId = auth()->id();
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if (!$userId) {
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$user = \App\Models\User::first();
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if (!$user) {
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$user = \App\Models\User::create([
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'name' => '系統管理員',
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'email' => 'admin@example.com',
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'password' => bcrypt('password'),
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]);
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}
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$userId = $user->id;
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}
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$order = PurchaseOrder::create([
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'code' => $code,
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'vendor_id' => $validated['vendor_id'],
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'warehouse_id' => $validated['warehouse_id'],
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'user_id' => $userId,
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'status' => 'draft',
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'expected_delivery_date' => $validated['expected_delivery_date'],
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'total_amount' => $totalAmount,
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'tax_amount' => $taxAmount,
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'grand_total' => $grandTotal,
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'remark' => $validated['remark'],
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]);
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foreach ($validated['items'] as $item) {
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$order->items()->create([
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'product_id' => $item['productId'],
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'quantity' => $item['quantity'],
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'unit_price' => $item['unitPrice'],
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'subtotal' => $item['quantity'] * $item['unitPrice'],
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]);
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}
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DB::commit();
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return redirect()->route('purchase-orders.index')->with('success', '採購單已成功建立');
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} catch (\Exception $e) {
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DB::rollBack();
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return back()->withErrors(['error' => '建立失敗：' . $e->getMessage()]);
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}
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}
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public function show($id)
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{
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$order = PurchaseOrder::with(['vendor', 'warehouse', 'user', 'items.product'])->findOrFail($id);
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// Transform items to include product details needed for frontend calculation
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$order->items->transform(function ($item) {
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$product = $item->product;
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if ($product) {
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// 手動附加 productName 和 unit (因為已從 $appends 移除)
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$item->productName = $product->name;
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$item->productId = $product->id;
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$item->base_unit = $product->base_unit;
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$item->purchase_unit = $product->purchase_unit ?: $product->large_unit; // Fallback logic same as Create
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$item->conversion_rate = (float) $product->conversion_rate;
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// 優先使用採購單位 > 大單位 > 基本單位
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$item->unit = $product->purchase_unit ?: ($product->large_unit ?: $product->base_unit);
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$item->unitPrice = (float) $item->unit_price;
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}
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return $item;
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});
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return Inertia::render('PurchaseOrder/Show', [
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'order' => $order
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]);
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}
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public function edit($id)
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{
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$order = PurchaseOrder::with(['items.product'])->findOrFail($id);
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$vendors = Vendor::with('products')->get()->map(function ($vendor) {
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return [
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'id' => (string) $vendor->id,
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'name' => $vendor->name,
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'commonProducts' => $vendor->products->map(function ($product) {
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return [
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'productId' => (string) $product->id,
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'productName' => $product->name,
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'unit' => $product->purchase_unit ?: ($product->large_unit ?: $product->base_unit),
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'base_unit' => $product->base_unit,
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'purchase_unit' => $product->purchase_unit ?: $product->large_unit,
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'conversion_rate' => (float) $product->conversion_rate,
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'lastPrice' => (float) ($product->pivot->last_price ?? 0),
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];
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})
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];
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});
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$warehouses = Warehouse::all()->map(function ($w) {
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return [
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'id' => (string) $w->id,
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'name' => $w->name,
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];
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});
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// Transform items for frontend form
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$order->items->transform(function ($item) {
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$product = $item->product;
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if ($product) {
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// 手動附加所有必要的屬性 (因為已從 $appends 移除)
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$item->productId = (string) $product->id; // Ensure consistent ID type
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$item->productName = $product->name;
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$item->base_unit = $product->base_unit;
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$item->purchase_unit = $product->purchase_unit ?: $product->large_unit;
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$item->conversion_rate = (float) $product->conversion_rate;
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// 優先使用採購單位 > 大單位 > 基本單位
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$item->unit = $product->purchase_unit ?: ($product->large_unit ?: $product->base_unit);
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$item->unitPrice = (float) $item->unit_price;
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}
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return $item;
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});
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return Inertia::render('PurchaseOrder/Create', [
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'order' => $order,
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'suppliers' => $vendors,
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'warehouses' => $warehouses,
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]);
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}
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public function update(Request $request, $id)
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{
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$order = PurchaseOrder::findOrFail($id);
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$validated = $request->validate([
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'vendor_id' => 'required|exists:vendors,id',
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'warehouse_id' => 'required|exists:warehouses,id',
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'expected_delivery_date' => 'nullable|date',
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'remark' => 'nullable|string',
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'status' => 'required|string|in:draft,pending,processing,shipping,confirming,completed,cancelled',
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'items' => 'required|array|min:1',
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'items.*.productId' => 'required|exists:products,id',
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'items.*.quantity' => 'required|numeric|min:0.01',
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'items.*.unitPrice' => 'required|numeric|min:0',
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]);
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try {
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DB::beginTransaction();
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$totalAmount = 0;
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foreach ($validated['items'] as $item) {
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$totalAmount += $item['quantity'] * $item['unitPrice'];
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}
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// Simple tax calculation (e.g., 5%)
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$taxAmount = round($totalAmount * 0.05, 2);
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$grandTotal = $totalAmount + $taxAmount;
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$order->update([
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'vendor_id' => $validated['vendor_id'],
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'warehouse_id' => $validated['warehouse_id'],
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'expected_delivery_date' => $validated['expected_delivery_date'],
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'total_amount' => $totalAmount,
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'tax_amount' => $taxAmount,
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'grand_total' => $grandTotal,
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'remark' => $validated['remark'],
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'status' => $validated['status'],
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]);
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// Sync items
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$order->items()->delete();
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foreach ($validated['items'] as $item) {
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$order->items()->create([
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'product_id' => $item['productId'],
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'quantity' => $item['quantity'],
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'unit_price' => $item['unitPrice'],
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'subtotal' => $item['quantity'] * $item['unitPrice'],
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]);
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}
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DB::commit();
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return redirect()->route('purchase-orders.index')->with('success', '採購單已更新');
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} catch (\Exception $e) {
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DB::rollBack();
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return back()->withErrors(['error' => '更新失敗：' . $e->getMessage()]);
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}
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}
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public function destroy($id)
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{
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try {
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DB::beginTransaction();
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$order = PurchaseOrder::findOrFail($id);
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// Delete associated items first (due to FK constraints if not cascade)
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$order->items()->delete();
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$order->delete();
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DB::commit();
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return redirect()->route('purchase-orders.index')->with('success', '採購單已刪除');
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} catch (\Exception $e) {
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DB::rollBack();
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return back()->withErrors(['error' => '刪除失敗：' . $e->getMessage()]);
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}
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}
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}
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