lkafu/app/Models/Goods.php

<?php

namespace App\Models;

use Auth;
use Illuminate\Database\Eloquent\SoftDeletes;
use Overtrue\LaravelFollow\Traits\CanBeFavorited;
use RuLong\Order\Contracts\Orderable;

class Goods extends Model implements Orderable
{
    use SoftDeletes, CanBeFavorited;

    public $typeArray = [
        'member' => '会员商品',
        'pick'   => '提货商品',
    ];

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

    protected function getTypeTextAttribute()
    {
        return $this->typeArray[$this->type] ?? '未知';
    }

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

    public function params()
    {
        return $this->hasMany(GoodsParams::class, 'goods_id', 'id')->where('status', 1);
    }

    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);
    }

    public function addSold($sold)
    {
        $this->increment('sold', $sold);
    }

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

    protected function getDefMinPriceAttribute()
    {
        if (Auth::user() && Auth::user()->identity_id > 0) {
            return number_format($this->params()->min('price'), 2);
        } else {
            return number_format($this->params()->min('original'), 2);
        }
    }

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

    protected function getAllStockAttribute()
    {
        return $this->params()->sum('stock') ?? 0;
    }

    protected function getScoreRangeAttribute()
    {
        $params      = $this->params()->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()
    {
        switch ($this->status) {
            case -1:
                return "<span style='color:blue'>待审核</span>";
                break;
            case 0:
                return "<span style='color:red'>下架</span>";
                break;
            case 1:
                return "<span style='color:green'>正常</span>";
                break;
            default:
                return "<span style='color:yellow'>未知</span>";
                break;
        }
    }

    public function getIsFavoriteAttribute()
    {
        $user = Auth::user();
        if (!$user) {
            return false;
        }

        if ($this->isFavoritedBy($user)) {
            return true;
        } else {
            return false;
        }
    }

    public function getCoverPathAttribute()
    {
        if ($this->cover) {
            return env('APP_URL') . '/storage/' . $this->cover;
        } else {
            return '';
        }
    }

}