116 lines
4.6 KiB
PHP
116 lines
4.6 KiB
PHP
<?php
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namespace App\Http\Controllers;
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use App\Models\Inventory;
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use App\Models\Warehouse;
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use Illuminate\Http\Request;
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use Illuminate\Support\Facades\DB;
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use Illuminate\Validation\ValidationException;
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class TransferOrderController extends Controller
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{
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/**
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* 儲存撥補單（建立調撥單並執行庫存轉移）
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*/
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public function store(Request $request)
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{
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$validated = $request->validate([
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'sourceWarehouseId' => 'required|exists:warehouses,id',
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'targetWarehouseId' => 'required|exists:warehouses,id|different:sourceWarehouseId',
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'productId' => 'required|exists:products,id',
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'quantity' => 'required|numeric|min:0.01',
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'transferDate' => 'required|date',
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'status' => 'required|in:待處理,處理中,已完成,已取消', // 目前僅支援立即完成或單純記錄
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'notes' => 'nullable|string',
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'batchNumber' => 'nullable|string', // 暫時接收，雖然 DB 可能沒存
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]);
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return DB::transaction(function () use ($validated) {
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// 1. 檢查來源倉庫庫存
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$sourceInventory = Inventory::where('warehouse_id', $validated['sourceWarehouseId'])
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->where('product_id', $validated['productId'])
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->first();
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if (!$sourceInventory || $sourceInventory->quantity < $validated['quantity']) {
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throw ValidationException::withMessages([
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'quantity' => ['來源倉庫庫存不足'],
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]);
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}
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// 2. 獲取或建立目標倉庫庫存
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$targetInventory = Inventory::firstOrCreate(
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[
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'warehouse_id' => $validated['targetWarehouseId'],
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'product_id' => $validated['productId'],
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],
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[
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'quantity' => 0,
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'safety_stock' => null, // 預設為 null (未設定)，而非 0
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]
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);
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$sourceWarehouse = Warehouse::find($validated['sourceWarehouseId']);
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$targetWarehouse = Warehouse::find($validated['targetWarehouseId']);
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// 3. 執行庫存轉移 (扣除來源)
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$oldSourceQty = $sourceInventory->quantity;
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$newSourceQty = $oldSourceQty - $validated['quantity'];
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$sourceInventory->update(['quantity' => $newSourceQty]);
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// 記錄來源異動
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$sourceInventory->transactions()->create([
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'type' => '撥補出庫',
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'quantity' => -$validated['quantity'],
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'balance_before' => $oldSourceQty,
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'balance_after' => $newSourceQty,
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'reason' => "撥補至 {$targetWarehouse->name}" . ($validated['notes'] ? " ({$validated['notes']})" : ""),
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'actual_time' => $validated['transferDate'],
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'user_id' => auth()->id(),
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]);
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// 4. 執行庫存轉移 (增加目標)
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$oldTargetQty = $targetInventory->quantity;
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$newTargetQty = $oldTargetQty + $validated['quantity'];
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$targetInventory->update(['quantity' => $newTargetQty]);
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// 記錄目標異動
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$targetInventory->transactions()->create([
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'type' => '撥補入庫',
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'quantity' => $validated['quantity'],
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'balance_before' => $oldTargetQty,
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'balance_after' => $newTargetQty,
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'reason' => "來自 {$sourceWarehouse->name} 的撥補" . ($validated['notes'] ? " ({$validated['notes']})" : ""),
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'actual_time' => $validated['transferDate'],
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'user_id' => auth()->id(),
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]);
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// TODO: 未來若有獨立的 TransferOrder 模型，可在此建立紀錄
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return redirect()->back()->with('success', '撥補單已建立且庫存已轉移');
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});
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}
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/**
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* 獲取特定倉庫的庫存列表 (API)
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*/
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public function getWarehouseInventories(Warehouse $warehouse)
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{
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$inventories = $warehouse->inventories()
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->with(['product.baseUnit', 'product.category'])
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->where('quantity', '>', 0) // 只回傳有庫存的
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->get()
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->map(function ($inv) {
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return [
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'productId' => (string) $inv->product_id,
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'productName' => $inv->product->name,
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'batchNumber' => 'BATCH-' . $inv->id, // 模擬批號
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'availableQty' => (float) $inv->quantity,
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'unit' => $inv->product->baseUnit?->name ?? '個',
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];
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});
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return response()->json($inventories);
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}
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}
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