62 lines
1.7 KiB
PHP
62 lines
1.7 KiB
PHP
<?php
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namespace App\Services;
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use App\Exceptions\BalanceNotEnoughException;
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use App\Models\User;
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use Illuminate\Support\Facades\DB;
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class BalanceService
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{
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/**
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* 变更余额
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*
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* @param \App\Models\User $user
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* @param int $changeBalance
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* @param int $action
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* @param string|null $remarks
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* @param mixed $loggable
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* @return void
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*/
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public function changeBalance(User $user, int $changeBalance, int $action, ?string $remarks = null, $loggable = null)
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{
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$balance = $user->balance()->lockForUpdate()->first();
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if (is_null($balance)) {
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throw new BalanceNotEnoughException();
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}
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// 变更前余额
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$beforeBalance = $balance->balance;
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$_changeBalance = abs($changeBalance);
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if ($changeBalance > 0) {
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// 收入
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$user->balance()->update([
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'balance' => DB::raw("balance + {$_changeBalance}"),
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'total_revenue' => DB::raw("total_revenue + {$_changeBalance}"),
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]);
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} else {
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// 支出
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if ($balance->balance < $_changeBalance) {
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throw new BalanceNotEnoughException();
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}
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$user->balance()->update([
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'balance' => DB::raw("balance - {$_changeBalance}"),
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'total_expenses' => DB::raw("total_expenses + {$_changeBalance}"),
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]);
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}
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$user->balanceLogs()->create([
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'loggable_id' => $loggable?->id,
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'loggable_type' => $loggable?->getMorphClass(),
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'before_balance' => $beforeBalance,
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'change_balance' => $changeBalance,
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'action' => $action,
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'remarks' => $remarks,
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]);
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}
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}
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