102 lines
4.1 KiB
PHP
102 lines
4.1 KiB
PHP
<?php
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namespace App\Services;
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use App\Exceptions\RepositoryException;
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use App\Models\StatementItemModel;
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use App\Models\StatementModel;
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use App\Models\StoreModel;
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use App\Models\StoreOrderItemModel;
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use App\Models\StoreOrderModel;
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use Illuminate\Support\Carbon;
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use Illuminate\Support\Facades\DB;
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/**
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* 门店对账单生成（小程序端自助生成）
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*
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* 流程（事务内）：
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* 1. 拉取门店周期内的订单明细（排除已取消订单，按 order_item 去重防止重复入账）
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* 2. 快照当前 payment_cycle_days，settlement_date = period_end + cycle 天
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* 3. 明细快照商品名/单价/数量/重量/金额，statement_no = ST…
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*/
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class StatementGenerateService
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{
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public function __construct(private readonly BillNumberService $billNumberService)
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{
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}
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/**
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* @param StoreModel $store 门店（回款周期从此快照）
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* @param string $periodStart 周期开始（Y-m-d）
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* @param string $periodEnd 周期结束（Y-m-d）
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*/
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public function generate(StoreModel $store, string $periodStart, string $periodEnd): StatementModel
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{
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return DB::transaction(function () use ($store, $periodStart, $periodEnd) {
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$orderItems = StoreOrderItemModel::query()
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->join('store_order', 'store_order.id', '=', 'store_order_item.order_id')
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->where('store_order_item.store_id', $store->id)
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->whereDate('store_order.order_date', '>=', $periodStart)
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->whereDate('store_order.order_date', '<=', $periodEnd)
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->where('store_order.status', '<>', StoreOrderModel::STATUS_CANCELLED)
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->whereNull('store_order.deleted_at')
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->select('store_order_item.*')
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->get();
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if ($orderItems->isEmpty()) {
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throw new RepositoryException('周期内本店无订单数据，无法生成对账单');
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}
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// 防重复入账：剔除已计入过对账单的订单明细
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$usedItemIds = StatementItemModel::query()
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->whereIn('statement_id', StatementModel::where('store_id', $store->id)->pluck('id'))
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->pluck('order_item_id');
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$orderItems = $orderItems->reject(fn ($item) => $usedItemIds->contains($item->id));
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if ($orderItems->isEmpty()) {
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throw new RepositoryException('周期内的订单明细均已生成过对账单');
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}
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// 快照回款周期 → 应结算日期
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$cycleDays = (int) $store->payment_cycle_days;
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$totalAmount = $orderItems->reduce(
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static fn (string $carry, $item): string => bcadd($carry, (string) $item->amount, 2),
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'0'
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);
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$statement = StatementModel::create([
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'statement_no' => $this->billNumberService->make('ST'),
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'store_id' => $store->id,
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'period_start' => $periodStart,
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'period_end' => $periodEnd,
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'total_amount' => $totalAmount,
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'payment_cycle_days' => $cycleDays,
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'settlement_date' => Carbon::parse($periodEnd)->addDays($cycleDays)->toDateString(),
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'status' => StatementModel::STATUS_PENDING,
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]);
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$rows = [];
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$now = now();
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foreach ($orderItems as $item) {
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$rows[] = [
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'statement_id' => $statement->id,
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'order_id' => $item->order_id,
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'order_item_id' => $item->id,
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'product_id' => $item->product_id,
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'product_name' => $item->product_name,
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'price' => $item->price,
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'quantity' => $item->quantity,
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'weight' => $item->weight,
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'amount' => $item->amount,
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'is_reconciled' => StatementItemModel::NOT_RECONCILED,
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'store_remark' => '',
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'created_at' => $now,
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'updated_at' => $now,
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];
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}
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StatementItemModel::insert($rows);
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return $statement;
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});
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}
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}
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