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86 lines
3.0 KiB
PHP
86 lines
3.0 KiB
PHP
<?php
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namespace App\Modules\Finance\Services;
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use App\Modules\Finance\Models\AccountPayable;
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use Illuminate\Support\Facades\DB;
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use App\Modules\Inventory\Contracts\GoodsReceiptServiceInterface;
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class AccountPayableService
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{
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protected GoodsReceiptServiceInterface $goodsReceiptService;
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public function __construct(GoodsReceiptServiceInterface $goodsReceiptService)
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{
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$this->goodsReceiptService = $goodsReceiptService;
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}
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/**
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* 根據進貨單建立應付帳款
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*
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* @param int $goodsReceiptId
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* @param int $userId 執行操作的使用者 ID
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* @return AccountPayable
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* @throws \Exception
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*/
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public function createFromGoodsReceipt(int $goodsReceiptId, int $userId): AccountPayable
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{
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// 透過 Contract 取得 Inventory 模組的資料，避免直接依賴 Model
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$receiptData = $this->goodsReceiptService->getGoodsReceiptData($goodsReceiptId);
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if (!$receiptData) {
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throw new \Exception("找不到對應的進貨單資料 (ID: {$goodsReceiptId})");
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}
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// 檢查是否已經建立過（密等性）
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$existingAp = AccountPayable::where('source_document_type', 'goods_receipt')
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->where('source_document_id', $goodsReceiptId)
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->first();
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if ($existingAp) {
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return $existingAp;
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}
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return DB::transaction(function () use ($receiptData, $userId) {
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$ap = AccountPayable::create([
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'vendor_id' => $receiptData['vendor_id'],
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'source_document_type' => 'goods_receipt',
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'source_document_id' => $receiptData['id'],
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'document_number' => $this->generateApNumber(),
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'total_amount' => collect($receiptData['items'] ?? [])->sum('total_amount'),
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'tax_amount' => 0, // 假設後續會實作稅額計算，目前預設為 0
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'status' => AccountPayable::STATUS_PENDING,
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// 設定應付日期，預設為進貨後天數 (由系統設定決定，預設 30 天)
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'due_date' => now()->addDays(\App\Modules\Core\Models\SystemSetting::getVal('finance.ap_payment_days', 30))->toDateString(),
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'created_by' => $userId,
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'remarks' => "由進貨單 {$receiptData['code']} 自動生成",
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]);
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return $ap;
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});
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}
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/**
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* 產生應付帳款單號
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*/
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protected function generateApNumber(): string
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{
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$prefix = 'AP-' . date('Ymd') . '-';
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$lastPrefix = "{$prefix}%";
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$latest = AccountPayable::where('document_number', 'like', $lastPrefix)
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->orderBy('document_number', 'desc')
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->first();
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if (!$latest) {
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return $prefix . '01';
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}
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$parts = explode('-', $latest->document_number);
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$lastNumber = intval(end($parts));
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$newNumber = str_pad((string)($lastNumber + 1), 2, '0', STR_PAD_LEFT);
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return $prefix . $newNumber;
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}
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}
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