131 lines
2.7 KiB
PHP
131 lines
2.7 KiB
PHP
<?php
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namespace App\Models;
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use App\Casts\JsonArray;
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use App\Casts\Price;
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use App\Traits\Release;
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use App\Traits\SkuInfo;
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use Dcat\Admin\Traits\HasDateTimeFormatter;
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use EloquentFilter\Filterable;
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use Illuminate\Database\Eloquent\Model;
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class ProductSku extends Model
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{
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use Filterable;
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use HasDateTimeFormatter;
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use Release;
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use SkuInfo;
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public const STATUS_INVALID = -1; // 无效的
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public const STATUS_ONLINE = 1; // 已上架
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public const STATUS_OFFLINE = 2; // 已下架
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/**
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* @var array
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*/
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protected $casts = [
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'images' => JsonArray::class,
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'sell_price' => Price::class,
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'market_price' => Price::class,
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'cost_price' => Price::class,
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'vip_price' => Price::class,
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'attrs' => JsonArray::class,
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'specs' => 'json',
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'release_at' => 'datetime',
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];
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/**
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* @var array
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*/
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protected $fillable = [
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'spu_id',
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'name',
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'subtitle',
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'category_id',
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'codcovere',
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'images',
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'sell_price',
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'market_price',
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'cost_price',
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'vip_price',
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'media',
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'weight',
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'shipping_template_id',
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'attrs',
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'specs',
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'stock',
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'sales',
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'release_at',
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];
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/**
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* 仅查询已上架的商品
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*
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* @param \Illuminate\Database\Eloquent\Builder $query
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* @return \Illuminate\Database\Eloquent\Builder
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*/
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public function scopeOnline($query)
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{
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return $query->whereNotNull('release_at')->whereRelation('category', 'is_show', true);
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}
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/**
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* 此商品所属的 SPU
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*/
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public function spu()
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{
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return $this->belongsTo(ProductSpu::class, 'spu_id');
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}
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/**
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* 此商品所属的分类
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*/
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public function category()
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{
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return $this->belongsTo(ProductCategory::class, 'category_id');
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}
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/**
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* 此商品所属的分区
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*/
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public function parts()
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{
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return $this->belongsToMany(ProductPart::class, ProductPartSku::class, 'sku_id', 'part_id');
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}
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/**
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* 确认此商品是否已上架
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*
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* @return bool
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*/
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public function isOnline(): bool
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{
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return $this->release_at !== null;
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}
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/**
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* 获取此商品的可售库存
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*
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* @return int
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*/
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public function getSaleableStockAttribute(): int
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{
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if ($this->isOnline()) {
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return $this->attributes['stock'];
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}
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return 0;
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}
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/**
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* 此商品的赠品
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*
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* @return void
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*/
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public function gifts()
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{
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return $this->hasMany(ProductGift::class, 'sku_id');
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}
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}
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