124 lines
3.3 KiB
PHP
124 lines
3.3 KiB
PHP
<?php
|
|
/**
|
|
* Created by PhpStorm.
|
|
*
|
|
*
|
|
*
|
|
* Date: 2022/3/1
|
|
* Time: 14:51
|
|
*/
|
|
|
|
namespace app\frontend\modules\deduction;
|
|
|
|
use app\frontend\models\Member;
|
|
use app\frontend\models\MemberCoin;
|
|
use app\common\exceptions\AppException;
|
|
use app\common\modules\orderGoods\models\PreOrderGoods;
|
|
use app\framework\Database\Eloquent\Collection;
|
|
use app\frontend\models\order\PreOrderDeduction;
|
|
use app\frontend\models\order\PreOrderDiscount;
|
|
use app\frontend\modules\deduction\models\Deduction;
|
|
use app\frontend\modules\order\models\PreOrder;
|
|
|
|
class EnableDeductionService
|
|
{
|
|
|
|
protected $deductions;
|
|
|
|
protected $instances = [];
|
|
|
|
protected static $instance = null;
|
|
|
|
private function __construct(){}
|
|
|
|
/**
|
|
* 单例缓存
|
|
* @return null|self
|
|
*/
|
|
public static function getInstance()
|
|
{
|
|
if (!isset(self::$instance)) {
|
|
self::$instance = new self();
|
|
|
|
}
|
|
return self::$instance;
|
|
}
|
|
|
|
/**
|
|
* 开启的抵扣项
|
|
* @return Collection
|
|
*/
|
|
public function getEnableDeductions(PreOrder $preOrder)
|
|
{
|
|
//blank not deduction
|
|
if ($preOrder->isDeductionDisable()) {
|
|
trace_log()->deduction('订单关闭的抵扣类型','');
|
|
return collect();
|
|
}
|
|
|
|
$deductions = $this->getDeductions($preOrder);
|
|
|
|
$sort = array_flip($preOrder->getParams('deduction_ids'));
|
|
$deductions = $deductions->sortBy(function ($deduction) use ($sort) {
|
|
return array_get($sort, $deduction->code, 999);
|
|
});
|
|
|
|
return $deductions;
|
|
}
|
|
|
|
protected function getDeductions(PreOrder $preOrder)
|
|
{
|
|
if (!isset($this->deductions)) {
|
|
|
|
/**
|
|
* 商城开启的抵扣
|
|
* @var Collection $deductions
|
|
*/
|
|
$deductions = Deduction::getEnable();
|
|
|
|
trace_log()->deduction('开启的抵扣类型', $deductions->pluck('code')->toJson());
|
|
if ($deductions->isEmpty()) {
|
|
return collect();
|
|
}
|
|
// 过滤调无效的
|
|
$deductions = $deductions->filter(function (Deduction $deduction) use ($preOrder) {
|
|
|
|
/**
|
|
* @var MemberCoin $memberCoin
|
|
*/
|
|
$memberCoin = $deduction->memberCoin($preOrder->belongsToMember);
|
|
if ($memberCoin) {
|
|
$this->setMemberCoin($deduction->getCode(), $memberCoin);
|
|
}
|
|
|
|
/**
|
|
* @var Deduction $deduction
|
|
*/
|
|
return $deduction->valid() && $memberCoin && $memberCoin->useLimit();
|
|
});
|
|
|
|
$this->deductions = $deductions;
|
|
}
|
|
|
|
return $this->deductions;
|
|
}
|
|
|
|
protected function setMemberCoin($code, $class)
|
|
{
|
|
if (!$this->instances[$code]) {
|
|
$this->instances[$code] = $class;
|
|
}
|
|
}
|
|
|
|
//缓存抵扣用户模型
|
|
//解决分单每个订单都独立获取用户抵扣值模型问题
|
|
public function getMemberCoin($code)
|
|
{
|
|
if ($this->instances[$code]) {
|
|
return $this->instances[$code];
|
|
}
|
|
trace_log()->deduction('抵扣不存在：'.$code,"");
|
|
//这里以防万一没有缓存，重新获取
|
|
return app('CoinManager')->make('MemberCoinManager')->make($code, [Member::current()]);
|
|
}
|
|
} |