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<?php namespace App\Http\Model;
class Cart extends BaseModel { //产品模型
/** * 关联到模型的数据表 * * @var string */ protected $table = 'cart'; /** * 表明模型是否应该被打上时间戳 * 默认情况下,Eloquent 期望 created_at 和updated_at 已经存在于数据表中,如果你不想要这些 Laravel 自动管理的数据列,在模型类中设置 $timestamps 属性为 false * * @var bool */ public $timestamps = false; //protected $guarded = []; //$guarded包含你不想被赋值的字段数组。
//protected $fillable = ['name']; //定义哪些字段是可以进行赋值的,与$guarded相反
/** * The connection name for the model. * 默认情况下,所有的 Eloquent 模型使用应用配置中的默认数据库连接,如果你想要为模型指定不同的连接,可以通过 $connection 属性来设置 * @var string */ //protected $connection = 'connection-name';
const STATUS = 0; //商品是否删除,0未删除
//获取列表
public static function getList($uid) { $goods = self::join('goods', 'goods.id', '=', 'cart.goods_id') ->where('cart.user_id', $uid) ->where('goods.status', 0) ->select('cart.*') ->get(); if($goods) { foreach ($goods as $key => $value) { //订货数量大于0
if ($value->goods_number > 0) { $goods->goods_price = $goods_price = Goods::get_final_price($value->goods_id);
//更新购物车中的商品数量
self::where('id', $value->id)->update(array('goods_price' => $goods_price)); } } } return $goods->toArray(); } public static function getOne($id) { if(isset($status)){$where['status'] = $status;}else{$where['status'] = self::STATUS;} $where['id'] = $id; $goods = self::where($where)->first()->toArray(); $goods['price'] = get_final_price($id); return $goods; } public static function add(array $data) { if ($id = self::insertGetId($data)) { return $id; }
return false; } public static function modify($where, array $data) { if (self::where($where)->update($data)) { return true; } return false; } //删除一条记录
public static function remove($id) { if (!self::whereIn('id', explode(',', $id))->delete()) { return false; } return true; } /** * 取得商品最终使用价格 * * @param string $goods_id 商品编号 * @param string $goods_num 购买数量 * * @return 商品最终购买价格 */ public static function get_final_price($goods_id) { $final_price = '0'; //商品最终购买价格
$promote_price = '0'; //商品促销价格
$user_price = '0'; //商品会员价格,预留
//取得商品促销价格列表
$goods = Goods::where('id',$goods_id)->where('status',0)->first(['promote_price','promote_start_date','promote_end_date','price']); $final_price = $goods->price; // 计算商品的促销价格
if ($goods->promote_price > 0) { $promote_price = self::bargain_price($goods->promote_price, $goods->promote_start_date, $goods->promote_end_date); } else { $promote_price = 0; } if ($promote_price != 0) { $final_price = $promote_price; } //返回商品最终购买价格
return $final_price; } /** * 判断某个商品是否正在特价促销期 * * @access public * @param float $price 促销价格 * @param string $start 促销开始日期 * @param string $end 促销结束日期 * @return float 如果还在促销期则返回促销价,否则返回0 */ public static function bargain_price($price, $start, $end) { if ($price == 0) { return 0; } else { $time = time(); if ($time >= $start && $time <= $end) { return $price; } else { return 0; } } } }
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