125 lines
3.0 KiB
PHP
125 lines
3.0 KiB
PHP
<?php
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namespace App\Models;
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use App\Contracts\Orderable;
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use App\Exceptions\OrderException;
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use Auth;
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class OrderDetail extends Model
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{
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const UPDATED_AT = null;
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public $goodsCanBuy;
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public $goodsTitle;
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/**
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* 设置订单详情
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* @Author:<C.Jason>
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* @Date:2018-10-25T14:30:50+0800
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* @param Orderable $goods 商品实例
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*/
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public function setGoodsAttribute($goods)
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{
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if (!($goods instanceof Orderable)) {
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throw new OrderException('购买的商品必须实现 Orderable 接口');
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}
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$this->goodsCanBuy = $goods->getStock();
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$this->goodsTitle = $goods->getTitle();
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$this->attributes['price'] = $goods->getPrice();
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$this->attributes['score'] = $goods->getScore();
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$this->attributes['item_id'] = $goods->id;
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$this->attributes['item_type'] = get_class($goods);
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}
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/**
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* 所属订单
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* @Author:<C.Jason>
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* @Date:2018-10-19T13:48:40+0800
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* @return Order
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*/
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public function order()
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{
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return $this->belongsTo(Order::class);
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}
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/**
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* 所属商品
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* @Author:<C.Jason>
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* @Date:2018-10-19T13:48:51+0800
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* @return
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*/
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public function item()
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{
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return $this->morphTo()->withTrashed();
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}
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/**
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* 获取最大可退数量
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* @Author:<C.Jason>
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* @Date:2018-10-23T11:36:43+0800
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* @return integer
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*/
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public function getMaxRefundAttribute(): int
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{
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$refundNumbers = $this->refundItems()->whereHas('refund', function ($query) {
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$query->whereNotIn('state', [Order::REFUND_REFUSE]);
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})->sum('number');
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return $this->number - $refundNumbers;
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}
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/**
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* 判断订单条目，是否可退款
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* @Author:<C.Jason>
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* @Date:2018-10-26T10:43:08+0800
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* @return [type] [description]
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*/
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public function canRefund()
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{
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if ($this->order->canRefund() && $this->max_refund > 0) {
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return true;
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} else {
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return false;
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}
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}
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/**
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* 关联退款详单
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* @Author:<C.Jason>
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* @Date:2018-10-23T11:44:22+0800
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* @return RefundItem
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*/
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public function refundItems()
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{
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return $this->hasMany(RefundItem::class);
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}
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/**
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* 获取单个商品总价
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* @Author:<C.Jason>
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* @Date:2018-10-19T13:51:19+0800
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* @return string
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*/
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public function getTotalAttribute(): string
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{
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return bcmul($this->price, $this->number, 3);
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}
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public function comments()
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{
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return $this->hasMany(Comment::class);
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}
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//某商品历史购买数量
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public function scopeMallHistoryNum($query, int $goodsID)
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{
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return $query->where('item_id', $goodsID)->whereHas('order', function ($query) {
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$query->where('user_id', Auth::guard('api')->user()->id)->whereNotIn('state', [Order::ORDER_CANCEL, Order::ORDER_CLOSED, Order::REFUND_COMPLETED]);
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})->sum('number');
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}
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}
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