111 lines
3.3 KiB
PHP
111 lines
3.3 KiB
PHP
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<?php
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namespace app\common\model\sharp;
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use app\common\library\helper;
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use app\common\model\BaseModel;
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use app\common\model\sharp\Goods as GoodsModel;
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/**
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* 整点秒杀-活动会场与商品关联模型
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* Class ActiveGoods
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* @package app\common\model\sharp
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*/
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class ActiveGoods extends BaseModel
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{
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protected $name = 'sharp_active_goods';
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/**
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* 关联活动会场表
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* @return \think\model\relation\BelongsTo
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*/
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public function active()
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{
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return $this->belongsTo('Active', 'active_id');
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}
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/**
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* 关联活动会场场次表
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* @return \think\model\relation\BelongsTo
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*/
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public function activeTime()
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{
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return $this->belongsTo('ActiveTime', 'active_time_id');
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}
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/**
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* 根据活动场次ID获取商品列表
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* @param int $activeTimeId
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* @param array $goodsParam
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* @return false|\PDOStatement|string|\think\Collection
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*/
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public static function getGoodsListByActiveTimeId($activeTimeId, $goodsParam = [])
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{
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// 商品关联列表
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$model = new static;
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$activeGoodsList = $model->getSharpGoodsByActiveTimeId($activeTimeId);
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// 将列表的索引值设置为商品ID
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$activeGoodsList = helper::arrayColumn2Key($activeGoodsList, 'sharp_goods_id');
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// 获取商品列表
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$sharpGoodsList = $model->getGoodsListByIds(array_keys($activeGoodsList), $goodsParam);
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// 整理活动商品信息
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foreach ($sharpGoodsList as &$item) {
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// 活动商品的销量
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$item['sales_actual'] = $activeGoodsList[$item['sharp_goods_id']]['sales_actual'];
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// 商品销售进度
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$item['progress'] = $model->getProgress($item['sales_actual'], $item['seckill_stock']);
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}
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/* @var $sharpGoodsList \think\model\Collection */
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return $sharpGoodsList->hidden(['sku', 'goods']);
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}
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/**
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* 计算商品销售进度
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* @param $value1
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* @param $value2
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* @return mixed
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*/
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protected function getProgress($value1, $value2)
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{
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if ($value2 <= 0) return 100;
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$progress = helper::bcdiv($value1, $value2);
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return min(100, (int)helper::bcmul($progress, 100, 0));
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}
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/**
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* 获取秒杀商品模型
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* @return Goods
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*/
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protected function getGoodsModel()
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{
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return new GoodsModel;
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}
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/**
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* 根据活动场次ID获取商品集
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* @param $activeTimeId
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* @return false|\PDOStatement|string|\think\Collection
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* @throws \think\db\exception\DataNotFoundException
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* @throws \think\db\exception\ModelNotFoundException
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* @throws \think\exception\DbException
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*/
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private function getSharpGoodsByActiveTimeId($activeTimeId)
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{
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return $this->where('active_time_id', '=', $activeTimeId)->select();
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}
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/**
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* 根据商品ID集获取商品列表
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* @param array $sharpGoodsIds
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* @param array $param
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* @return false|\PDOStatement|string|\think\Collection
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* @throws \think\db\exception\DataNotFoundException
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* @throws \think\db\exception\ModelNotFoundException
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* @throws \think\exception\DbException
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*/
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private function getGoodsListByIds($sharpGoodsIds, $param = [])
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{
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return $this->getGoodsModel()->getListByIds($sharpGoodsIds, $param);
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}
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}
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