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337 lines
9.7 KiB
337 lines
9.7 KiB
<?php
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namespace App\Http\Model;
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use Illuminate\Support\Facades\DB;
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use Illuminate\Support\Facades\Log;
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class Goods extends BaseModel
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{
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//产品模型
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/**
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* 关联到模型的数据表
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*
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* @var string
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*/
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protected $table = 'goods';
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/**
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* 表明模型是否应该被打上时间戳
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* 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
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*
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* @var bool
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*/
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public $timestamps = false;
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protected $hidden = array();
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//protected $guarded = []; //$guarded包含你不想被赋值的字段数组。
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//protected $fillable = ['name']; //定义哪些字段是可以进行赋值的,与$guarded相反
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/**
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* The connection name for the model.
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* 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
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* @var string
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*/
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//protected $connection = 'connection-name';
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//常用字段
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public $common_field = array(
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'id', 'typeid', 'tuijian', 'click', 'title', 'description', 'sn', 'price','litpic', 'pubdate', 'add_time', 'market_price', 'goods_number', 'sale', 'comments','promote_start_date','promote_price','promote_end_date','goods_img','spec','point'
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);
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const GOODS_NORMAL_STATUS = 0; //商品状态 0正常 1已删除 2下架 3申请上架
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/**
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* 获取关联到产品的分类
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*/
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public function goodstype()
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{
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return $this->belongsTo(GoodsType::class, 'typeid', 'id');
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}
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public function getDb()
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{
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return DB::table($this->table);
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}
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/**
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* 列表
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* @param array $where 查询条件
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* @param string $order 排序
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* @param string $field 字段
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* @param int $offset 偏移量
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* @param int $limit 取多少条
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* @return array
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*/
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public function getList($where = array(), $order = '', $field = '*', $offset = 0, $limit = 15)
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{
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$model = $this->getDb();
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if($where){$model = $model->where($where);}
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$res['count'] = $model->count();
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$res['list'] = array();
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if($res['count'] > 0)
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{
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if($field){if(is_array($field)){$model = $model->select($field);}else{$model = $model->select(\DB::raw($field));}}
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if($order){$model = parent::getOrderByData($model, $order);}
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if($offset){}else{$offset = 0;}
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if($limit){}else{$limit = 15;}
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$res['list'] = $model->skip($offset)->take($limit)->get();
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}
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//return $model->toSql();//打印sql语句
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return $res;
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}
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/**
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* 分页，用于前端html输出
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* @param array $where 查询条件
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* @param string $order 排序
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* @param string $field 字段
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* @param int $limit 每页几条
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* @param int $page 当前第几页
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* @return array
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*/
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public function getPaginate($where = array(), $order = '', $field = '*', $limit = 15)
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{
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$res = $this->getDb();
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if($where){$res = $res->where($where);}
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if($field){if(is_array($field)){$res = $res->select($field);}else{$res = $res->select(\DB::raw($field));}}
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if($order){$res = parent::getOrderByData($res, $order);}
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if($limit){}else{$limit = 15;}
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return $res->paginate($limit);
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}
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/**
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* 查询全部
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* @param array $where 查询条件
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* @param string $order 排序
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* @param string $field 字段
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* @param int $limit 取多少条
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* @return array
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*/
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public function getAll($where = array(), $order = '', $field = '*', $limit = '', $offset = '')
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{
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$res = $this->getDb();
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if($where){$res = $res->where($where);}
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if($field){if(is_array($field)){$res = $res->select($field);}else{$res = $res->select(\DB::raw($field));}}
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if($order){$res = parent::getOrderByData($res, $order);}
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if($offset){$res = $res->skip($offset);}
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if($limit){$res = $res->take($limit);}
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$res = $res->get();
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return $res;
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}
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/**
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* 获取一条
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* @param array $where 条件
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* @param string $field 字段
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* @return array
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*/
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public function getOne($where, $field = '*')
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{
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$res = $this->getDb();
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if($where){$res = $res->where($where);}
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if($field){if(is_array($field)){$res = $res->select($field);}else{$res = $res->select(\DB::raw($field));}}
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$res = $res->first();
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return $res;
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}
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/**
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* 添加
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* @param array $data 数据
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* @return int
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*/
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public function add(array $data,$type = 0)
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{
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if($type==0)
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{
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// 新增单条数据并返回主键值
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return self::insertGetId(parent::filterTableColumn($data,$this->table));
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}
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elseif($type==1)
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{
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/**
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* 添加单条数据
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* $data = ['foo' => 'bar', 'bar' => 'foo'];
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* 添加多条数据
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* $data = [
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* ['foo' => 'bar', 'bar' => 'foo'],
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* ['foo' => 'bar1', 'bar' => 'foo1'],
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* ['foo' => 'bar2', 'bar' => 'foo2']
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* ];
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*/
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return self::insert($data);
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}
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}
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/**
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* 修改
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* @param array $data 数据
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* @param array $where 条件
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* @return int
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*/
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public function edit($data, $where = array())
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{
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$res = $this->getDb();
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return $res->where($where)->update(parent::filterTableColumn($data, $this->table));
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}
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/**
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* 删除
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* @param array $where 条件
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* @return bool
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*/
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public function del($where)
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{
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$res = $this->getDb();
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$res = $res->where($where)->delete();
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return $res;
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}
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/**
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* 取得商品最终使用价格
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*
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* @param string $goods_id 商品编号
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* @param string $goods_num 购买数量
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*
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* @return 商品最终购买价格
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*/
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/* public function get_final_price($goods_id)
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{
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$final_price = '0'; //商品最终购买价格
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$promote_price = '0'; //商品促销价格
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$user_price = '0'; //商品会员价格，预留
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//取得商品促销价格列表
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$goods = Goods::where('id',$goods_id)->where('status', self::GOODS_NORMAL_STATUS)->first(['promote_price','promote_start_date','promote_end_date','price']);
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$final_price = $goods->price;
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// 计算商品的促销价格
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if ($goods->promote_price > 0)
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{
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$promote_price = $this->bargain_price($goods->promote_price, $goods->promote_start_date, $goods->promote_end_date);
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}
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else
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{
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$promote_price = 0;
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}
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if ($promote_price != 0)
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{
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$final_price = $promote_price;
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}
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//返回商品最终购买价格
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return $final_price;
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} */
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/**
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* 取得商品最终使用价格
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*
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* @param string $goods_id 商品编号
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* @param string $goods_num 购买数量
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*
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* @return 商品最终购买价格
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*/
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public function get_goods_final_price($goods)
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{
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$final_price = '0'; //商品最终购买价格
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$promote_price = '0'; //商品促销价格
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$user_price = '0'; //商品会员价格，预留
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//取得商品促销价格列表
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$final_price = $goods->price;
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// 计算商品的促销价格
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if ($goods->promote_price > 0)
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{
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$promote_price = $this->bargain_price($goods->promote_price, $goods->promote_start_date, $goods->promote_end_date);
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}
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else
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{
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$promote_price = 0;
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}
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if ($promote_price != 0)
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{
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$final_price = $promote_price;
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}
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//返回商品最终购买价格
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return $final_price;
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}
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/**
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* 判断某个商品是否正在特价促销期
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*
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* @access public
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* @param float $price 促销价格
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* @param string $start 促销开始日期
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* @param string $end 促销结束日期
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* @return float 如果还在促销期则返回促销价，否则返回0
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*/
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public function bargain_price($price, $start, $end)
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{
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if ($price <= 0)
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{
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return 0;
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}
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else
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{
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$time = time();
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if ($time >= $start && $time <= $end)
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{
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return $price;
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}
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else
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{
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return 0;
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}
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}
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}
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/**
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* 增加或减少商品库存
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*
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* @access public
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* @param int $id 商品ID
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* @param int $type 1增加库存
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* @return bool
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*/
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public function changeGoodsStock($where)
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{
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if(isset($where['type']) && $where['type']==1)
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{
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//增加库存
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return $this->getDb()->where(array('id'=>$where['goods_id']))->increment('goods_number', $where['goods_number']);
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}
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//减少库存
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return $this->getDb()->where(array('id'=>$where['goods_id']))->decrement('goods_number', $where['goods_number']);
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}
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//获取栏目名称
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public function getTypenameAttr($data)
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{
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return DB::table('goods_type')->where(array('id'=>$data['typeid']))->value('name');
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}
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/**
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* 打印sql
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*/
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public function toSql($where)
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{
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return $this->getDb()->where($where)->toSql();
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}
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}
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