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346 lines
9.7 KiB
346 lines
9.7 KiB
<?php
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namespace App\Http\Model;
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use DB;
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use Log;
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class Cart extends BaseModel
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{
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//购物车模型
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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 = 'cart';
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public $timestamps = false;
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protected $hidden = array();
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protected $guarded = array(); //$guarded包含你不想被赋值的字段数组。
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//购物车商品类型
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const CART_GENERAL_GOODS = 0; // 普通商品
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const CART_GROUP_BUY_GOODS = 1; // 团购商品
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const CART_AUCTION_GOODS = 2; // 拍卖商品
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const CART_SNATCH_GOODS = 3; // 夺宝奇兵
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const CART_EXCHANGE_GOODS = 4; // 积分商城
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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, $limit = 10)
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{
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$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{$limit = 10;}
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$res['list'] = $model->skip($offset)->take($limit)->get();
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}
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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 = '*', $limit = 10)
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{
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$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 = 10;}
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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 $where 条件
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* @return bool
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*/
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public function edit($data, $where = array())
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{
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$res = $this->getDb();
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$res = $res->where($where)->update(parent::filterTableColumn($data, $this->table));
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if ($res === false)
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{
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return false;
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}
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return true;
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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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//获取列表
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public static function getList(array $param)
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{
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extract($param); //参数：limit，offset
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$model = self::join('goods', 'goods.id', '=', 'cart.goods_id')
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->where('cart.user_id', $user_id)
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->where('goods.status', Goods::STATUS)
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->select('cart.*','goods.id as goods_id','goods.title','goods.sn','goods.price as goods_price','goods.market_price','goods.litpic','goods.goods_number as stock','goods.promote_start_date','goods.promote_price','goods.promote_end_date');
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$res['count'] = $model->count();
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$res['list'] = array();
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if($res['count']>0)
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{
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$res['list'] = $model->get();
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foreach ($res['list'] as $k => $v)
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{
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$res['list'][$k]->is_promote = 0;
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if(Goods::bargain_price($v->goods_price,$v->promote_start_date,$v->promote_end_date) > 0){$res['list'][$k]->is_promote = 1;}
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//订货数量大于0
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if ($v->goods_number > 0)
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{
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$res['list'][$k]->final_price = Goods::get_final_price($v->goods_id); //商品最终价格
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$res['list'][$k]->goods_detail_url = route('weixin_goods_detail',array('id'=>$v->goods_id));
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//更新购物车中的商品数量
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//self::where('id', $v->id)->update(array('price' => $goods_price));
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}
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}
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}
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else
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{
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return false;
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}
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return $res;
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}
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public static function getOne($where)
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{
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$goods = self::where($where)->first();
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return $goods;
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}
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public static function add(array $data)
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{
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if ($id = self::insertGetId($data))
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{
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return $id;
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}
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return false;
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}
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public static function modify($where, array $data)
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{
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if (self::where($where)->update($data))
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{
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return true;
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}
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return false;
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}
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//删除一条记录
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public static function remove($id,$user_id)
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{
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if(!is_array($id)){$id = explode(',', $id);}
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if (self::whereIn('id', $id)->where('user_id',$user_id)->delete() === false)
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{
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return false;
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}
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return true;
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}
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*/
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/**
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* 添加商品到购物车
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*
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* @access public
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* @param integer $goods_id 商品编号
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* @param integer $goods_number 商品数量
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* @param json $property 规格值对应的id json数组
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* @return boolean
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*/
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public function cartAdd(array $attributes)
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{
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extract($attributes);
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//获取商品信息
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$goods = Goods::where(['id' => $goods_id, 'status' => Goods::GOODS_NORMAL_STATUS])->first();
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if (!$goods)
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{
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return ReturnData::create(ReturnData::PARAMS_ERROR,null,'商品不存在');
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}
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//判断库存 是否足够
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if($goods['goods_number']<$goods_number)
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{
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return ReturnData::create(ReturnData::PARAMS_ERROR,null,'库存不足');
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}
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//判断购物车商品数
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if(Cart::where(['user_id'=>$user_id])->count() >= 20)
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{
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return ReturnData::create(ReturnData::PARAMS_ERROR,null,'购物车商品最多20件');
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}
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//查看是否已经有购物车插入记录
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$where = array(
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'user_id' => $user_id,
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'goods_id' => $goods_id
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);
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$cart = Cart::where($where)->first();
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if($cart)
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{
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//更新购物车
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$updateArr = array(
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'goods_number' => $goods_number,
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'add_time' => time(),
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);
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self::where(array('id'=>$cart->id))->update($updateArr);
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$cart_id = $cart->id;
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}
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else
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{
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//添加购物车
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$cartInsert = array(
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'user_id' => $user_id,
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'goods_id' => $goods_id,
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'goods_number' => $goods_number,
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'add_time' => time(),
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);
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$cart_id = self::insertGetId($cartInsert);
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}
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return ReturnData::create(ReturnData::SUCCESS,$cart_id,'购物车添加成功');
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}
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/**
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* 用户购物车商品总数量
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*
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* @access public
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* @param int $user_id 用户ID
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* @return int
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*/
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public function TotalGoodsCount($where)
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{
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return self::where($where)->sum('goods_number');
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}
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}
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