Babyclass/app/Models/Goods.php

<?php

namespace App\Models;

use Admin;
use App\Contracts\Advertable;
use Illuminate\Database\Eloquent\SoftDeletes;
use RuLong\Order\Contracts\Orderable;
use RuLong\Order\Models\OrderDetail;
use RuLong\Panel\Models\Storage;

class Goods extends Model implements Orderable, Advertable
{

    use SoftDeletes;

    public function link()
    {
        return route('goods.show', $this);
    }

    public function scopeMine($query)
    {
        return $query->where('seller_id', Admin::user()->seller_id);
    }

    public function seller()
    {
        return $this->belongsTo(Seller::class)->withDefault();
    }

    public function storage()
    {
        return $this->belongsTo(Storage::class)->withDefault();
    }

    public function banner()
    {
        return $this->belongsTo(Storage::class, 'banner_id', 'id')->withDefault();
    }

    public function category()
    {
        return $this->belongsTo(Category::class)->withDefault();
    }

    public function params()
    {
        return $this->hasMany(GoodsParams::class, 'goods_id', 'id');
    }

    public function getTitle()
    {
        return $this->title;
    }

    public function getPrice()
    {
        return $this->price;
    }

    public function getScore()
    {
        return $this->score;
    }

    public function getStock()
    {
        return $this->stock;
    }

    public function getSellerPrice()
    {
        return $this->cost;
    }

    public function deductStock($stock)
    {
        $this->decrement('stock', $stock);
    }

    public function addStock($stock)
    {
        $this->increment('stock', $stock);
    }

    protected function getMinPriceAttribute()
    {
        return number_format($this->params()->where('status', 1)->min('price'), 2);
    }

    protected function getMinOriginalAttribute()
    {
        return number_format($this->params()->where('status', 1)->min('original'), 2);
    }

    protected function getMinBaoAttribute()
    {
        return number_format($this->params()->where('status', 1)->min('taobao'), 2);
    }

    protected function getMaxScoreAttribute()
    {
        return number_format($this->params()->where('status', 1)->max('score'), 2);
    }

    public function cashScore()
    {
        return $this->params()->where('status', 1)->where('stock', '>', 0)->where('status', 1)->where('score', '>', 0)->whereRaw('price > score')->orderBy('score', 'desc')->first();
    }

    protected function getScoreRangeAttribute()
    {
        $params      = $this->params()->where('status', 1)->orderBy('score', 'desc')->distinct()->pluck('score');
        $params_size = count($params);
        if ($params_size == 1) {
            return number_format($params[0], 2);
        } elseif ($params_size > 1) {
            if ($params[$params_size - 1] > 0) {
                return number_format($params[0], 2) . '~' . number_format($params[$params_size - 1], 2);
            } else {
                return number_format($params[0], 2);
            }
        } else {
            return 0.00;
        }
    }

    protected function getStatusTextAttribute()
    {
        return $this->status == 1 ? "<span style='color:green'>正常</span>" : "<span style='color:red'>已下架</span>";
    }

    /**
     * 是否可删除
     * @Author:<ZhaoxiaWang>
     * @Date:2018-12-10
     * @return boolean
     */

    public function canDel(): bool
    {
        $orderDetails = OrderDetail::whereIn('item_id', $this->params()->pluck('id'))->where('item_type', 'App\Models\GoodsParams')->first();
        return $this->status == 1 && empty($orderDetails);
    }

    /**
     * 是否可下架
     * @Author:<ZhaoxiaWang>
     * @Date:2018-12-10
     * @return boolean
     */

    public function canCancel(): bool
    {
        return $this->status == 1 ? true : false;
    }

    public function isScore(): bool
    {
        $params = $this->params()->where('status', 1)->where('score', '>', '0')->get();
        return $params->count() > 0 ? true : false;
    }
}