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modules/Mall/Models/OrderItem.php

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+<?php
+
+namespace Modules\Mall\Models;
+
+use App\Models\Model;
+use Illuminate\Database\Eloquent\Relations\HasMany;
+use Illuminate\Database\Eloquent\Relations\MorphTo;
+use Modules\Mall\Models\Traits\BelongsToOrder;
+
+class OrderItem extends Model
+{
+
+    use BelongsToOrder;
+
+    protected $table = 'mall_order_items';
+
+    const UPDATED_AT = null;
+
+    public $casts = [
+        'source' => 'json',
+    ];
+
+    /**
+     * Notes: 关联商品
+     * @Author: 玄尘
+     * @Date  : 2021/8/11 9:26
+     * @return \Illuminate\Database\Eloquent\Relations\MorphTo
+     */
+    public function item(): morphTo
+    {
+        return $this->morphTo();
+    }
+
+    /**
+     * Notes: 关联退款单
+     * @Author: 玄尘
+     * @Date  : 2021/5/19 9:30
+     */
+    public function refund_items(): HasMany
+    {
+        return $this->hasMany(RefundItem::class, 'order_item_id');
+    }
+
+    /**
+     * Notes: 商品状态
+     * @Author: 玄尘
+     * @Date  : 2021/6/17 9:07
+     */
+    public function getRefundStatusTextAttribute()
+    {
+        if ($this->isRefund()) {
+            $refund_item = $this->refund_items()->latest()->first();
+            if ($refund_item) {
+                return $refund_item->refund->status_test;
+            } else {
+                return '未知状态';
+            }
+        } else {
+            return '正常';
+        }
+
+    }
+
+    /**
+     * Notes: 是否申请退款
+     * @Author: 玄尘
+     * @Date  : 2021/5/21 11:15
+     */
+    public function isRefund(): int
+    {
+        return $this->refund_items()->count() > 0;
+    }
+
+    /**
+     * Notes: 是否可以退款/货
+     * @Author: 玄尘
+     * @Date  : 2021/5/19 9:32
+     */
+    public function canRefund(): bool
+    {
+        $can = true;
+
+        //是否已申请退款/货
+        if ($this->isRefund()) {
+            //最后一个申请
+            $refundItem = $this->refund_items()->latest()->first();
+            if ($refundItem && $refundItem->refund->state != Refund::REFUND_REFUSE) {
+                $can = false;
+            }
+        }
+
+        $is_post_sale = $this->source['is_post_sale'] ?? 0;
+
+        return $is_post_sale && $can && $this->order->can('refund');
+    }
+
+    /**
+     * Notes: 获取总额
+     * @Author: 玄尘
+     * @Date  : 2021/5/20 13:13
+     * @return float
+     */
+    public function getTotalAttribute(): float
+    {
+        return sprintf("%.2f", $this->price * $this->qty);
+    }
+
+    /**
+     * Notes: 获取水晶总数
+     * @Author: 玄尘
+     * @Date  : 2021/5/21 11:26
+     */
+    public function getTotalScoreAttribute(): string
+    {
+        $score = $this->source['score'] ?? 0;
+
+        return sprintf("%.2f", $score * $this->qty);
+
+    }
+
+}